Comparative Study of Glass Design Standards
|
|
- Andrew Kelley
- 5 years ago
- Views:
Transcription
1 Comparative Study of Glass Design Standards Mathieu Meur November 2017
2 Comparative Study of Glass Design Standards Review of glass behaviour Design standards for glass sheets Design of glass fins Design of bolted glass Beyond standards
3 Comparative Study of Glass Design Standards Review of glass behaviour Design standards for glass sheets Design of glass fins Design of bolted glass Beyond standards
4 Glass Behaviour Brittle material (theory v/s actual) E. Premalatha, Dr. C. Umarani University of Texas Arlington
5 Glass Behaviour Gang Deng and Tsutomu Nakanishi Breakage initiated from micro-cracks
6 E. Premalatha, Dr. C. Umarani Glass Behaviour Large deflections non-linear behaviour
7 Glass Behaviour Behaviour changes with duration of loading (creep)
8 Glass Behaviour Laminated glass behaviour changes with temperature Shear modulus, G (MPa) G PVB (MPa) 20 C C C C Poisson ratio, v 3s 1min. 1 hr. 1 day 1 mo. > 1yr. n PVB 3s 1min. 1 hr. 1 day 1 mo. > 1yr. 20 C C C C
9 Glass Behaviour Laminated glass behaviour changes with temperature
10 Comparative Study of Glass Design Standards Review of glass behaviour Design standards for glass sheets Design of bolted glass Design of glass fins Beyond standards
11 Glass Design Standards Standards covered: ASTM E1300 US standard AS 1288 Australia standard BS 6262/ 5516 Bristish standard TRLV German technical regulation pren 16612/16613 proposed European standard (not approved) JGJ 102 Chinese standard
12 Glass Design Standards Other standards not covered: IS India standard Inspired from AS 1288 and BS 6262 NF DTU 39 French norm CAN/CGSB 12 Canadian standard NBN S Belgium standard
13 Glass Design Standards Focus on structural design aspects Impact safety not covered Thermal and visual performance not covered Aesthetics not covered
14 Glass Design Standards Definitions of AN, HS and FT Deflection limits at centre / edges Stress limits Load distribution (laminated / IGU) Mixed thickness glass consideration Point-fixed glass consideration Design of glass fins Design of curved glass Design breakage rate
15 Glass Design Standards Definitions ANNEALED GLASS HEAT-STRENGTHENED FULLY TEMPERED ASTM E1300 Surface compression of 24- Residual surface stress near 0 52MPa Surface compression >69MPa AS Surface compression Surface compression of 24-69MPa >69MPa BS 6262/ TRLV pren 16612/16613 Glass which has been treated during manufacture to minimise the residual stress in the glass, allowing it to be cut by scoring and snapping JGJ Glass which has been subjected to a strengthening treatment, by heat or chemicals, which induce compressive surface stress into the whole surface, balanced by tensile stress within the body of the glass Surface compression of 24-60MPa Glass which has been subjected to a strengthening treatment, by heat or chemicals, which induce compressive surface stress into the whole surface, balanced by tensile stress within the body of the glass >90MPa
16 Glass Design Standards Definitions Deflection limit Glass edge deflection limit Ultimate limit state ASTM E1300 N.A L/175 Unfactored AS 1288 L/60 for typical L/ G+1.5Q L/30 for cantilevered BS 6262/ 5516 Min. (L 2 /125x1000) for <=3m L/125 for monolitic --- Min. (L 2 /175x , 40mm) for >3m L/175 for DGU Min. (L 2 /175x1000, 20mm) for DGU TRLV L/100 min (L/200, 15mm) Unfactored pren 16612/16613 min (L/65, 50mm) G+1.2Q
17 Glass Design Standards Definitions Allowable stress (MPa) (Short-term load) Away from edge At edge AN HS FT AN HS FT ASTM E AS 1288 c 1.[ -9.85ln t ] c 1.[ -7.88ln t ] c 1 =1 c 1 =1.6 c 1 =2.5 c 1 =1 c 1 =1.6 c 1 =2.5 BS 6262/ TRLV pren 16612/ JGJ
18 Glass Design Standards Definitions Short-term load Laminated Load distribution Medium/ long-term load ASTM E1300 Total thickness DGU AS 1288 Total minimum thickness t 3 / t i Qt 3 / t i 3 BS 6262/ TRLV Total thickness Total thickness t 3 / t i 3 pren 16612/16613 Effective thickness δ 1 +φδ 2 h e,sls = 3 [ k h k3 +12ω(h k h 2 )] m,k where δ i =h i3 / h 3 ; h e,uls,j = [h e,sls3 /(h j +2ωh m,j )] φ=1/[1+a/a*] 4 ; a=shorter length of the pane; a*=28.9[sh 13 h 23 /(h 13 +h 23 )k 5 JGJ 102 t e,w = 3 (t 13 +t ΤI s ) w k,1 = 1.1Qt 3 / t 3 i (outer lite) t 1e,σ = [t e,w3 /(t 1 +2Τt s,2 )], Τ=0 for PVB w k,2 = Qt 3 / t i 3 (inner lite)
19 Glass Design Standards Definitions Mixed thicknesses for laminated and DGU Width : height limit for 4 sided Design thickness ASTM E1300 Yes (for lami only) --- Minimum thickness AS 1288 Yes 1:5 Minimum thickness BS 6262/ 5516 No 1: TRLV Yes pren 16612/16613 Yes JGJ 102 Yes (< 3mm)
20 Glass Design Standards Definitions Design of overhead glass Design of point-fixed glass Design of Glass fin ASTM E AS 1288 Angle < 75 o to the horizontal --- Fin thickness > 12mm 1.1kN distributed over a circular area of 0.01m 2 Friction grip joint for glass fin Deflection limit L/240 Appendix C for LTB BS 6262/ Annealed glass is not allowed Fin thickness > 15mm Glass hole edge distance > 2x thickness Friction grip joint for glass fin; Bolt spacing > 100mm TRLV Angle < 80 o to the horizontal Only laminated for the lower pane Free edge protrudes < 300mm pren 16612/ JGJ Thickness > 6mm for flat cap Deflection < L/200 routel Thickness > 8mm for coutersunk routel Edge distant >70mm Gap between fin and facial glass >8mm Fin thickness >12mm, breadth > 100mm
21 Glass Design Standards Definitions Climatic loads Design of curved glass Design breakage rate ASTM E1300 No No 8 : 1000 AS 1288 No Yes 1 : 1000 BS 6262/ 5516 No No Not indicated TRLV Yes Yes p f = 10-6 per year (0.05 : 1000 based on 50 year return) pren 16612/16613 Yes Yes Not indicated JGJ 102 Yes Yes Not indicated
22 Glass Design Standards Definitions ASTM E x1.8x2=2.88kPa>2kPa
23 Glass Design Standards Definitions AS 1288 LC 1: Q Global Deformations u Global Deformations u [mm] Isometric RF-GLASS CA1 Layer No. 1, Bottom Stresses for CO3 Sigma-x Stresses for CO3 x [MPa] Isometric Max : Min : 0.0 Max : Min : Z Z X Y X Y Max u: 14.2, Min u: 0.0 mm Factor of deformations: Max Sigma-x: , Min Sigma-x: [MPa]
24 Glass Design Standards Definitions BS mm
25 Glass Design Standards Definitions TRLV LC 1: Q Global Deformations u Global Deformations u [mm] Isometric RF-GLASS CA1 Layer No. 1, Bottom Stresses for LC1 Sigma-x Stresses for LC1 x [MPa] Isometric Max : 12.9 Min : Max : Min : Z Z X Y X Y Max u: 12.9, Min u: 0.0 mm Factor of deformations: Max Sigma-x: , Min Sigma-x: [MPa]
26 Glass Design Standards Definitions JGJ 102 LC 1: Q Global Deformations u Global Deformations u [mm] Isometric RF-GLASS CA1 Layer No. 1, Bottom Stresses for CO2 Sigma-x Stresses for CO2 x [MPa] Isometric Max : 14.0 Min : Max : Min : Z Z X Y X Y Max u: 14.0, Min u: 0.0 mm Factor of deformations: Max Sigma-x: , Min Sigma-x: [MPa]
27 Glass Design Standards 1.5mx3.5m panel in 2kPa with monolithic heat-strengthened glass Example Cases 1.6mx3.5m panel in 2.5kPa with laminated heat strengthened glass 1.4mx3.5m panel in 2.0kPa with DGU heat strengthened glass ASTM E1300 Glass thickness required = 8mm Glass thickness required = 5+5mm Glass thickness required = 6+6mm *Deflection limit is not specified *Deflection limit is not specified *Deflection limit is not specified AS 1288 Glass thickness required = 10mm Glass thickness required = 6+6mm Glass thickness required = 8+8mm (8mm glass fails in stress) (5+5mm glass fail in stress) (6+8mm glass fail in stress) BS 6262/ 5516 Glass thickness required = 10mm Glass thickness required = 8+8mm Glass thickness required = 8+8mm TRLV Glass thickness required = 12mm Glass thickness required = 6+6mm Glass thickness required = 8+8mm (10mm glass fails in deflection) (5+5mm glass fail in deflection) (6+8mm glass fail in deflection) pren 16612/16613 Glass thickness required = 10mm Glass thickness required = 6+6mm Glass thickness required = 6+8mm (8mm glass fails in stress & deflection) (5+5mm glass fails in stress & deflection) (6+6mm glass fails in deflection) JGJ 102 Glass thickness required = 10mm Glass thickness required = 8+8mm Glass thickness required = 8+8mm (8mm glass fails in stress) (6+8mm glass fails in stress) (6+8mm glass fails in stress)
28 Glass Design Standards AS 1288 and JGJ 102 generally most comprehensive and balanced ASTM E 1300 least conservative BS 6262 not very comprehensive or flexible
29 Comparative Study of Glass Design Standards Review of glass behaviour Design standards for glass sheets Design of glass fins Design of bolted glass Beyond standards
30 Design of Glass Fins Lateral torsional buckling check not covered except in AS 1288 Does not take the non-linear load carrying behaviour due to imperfections, the glass strength and the interlayer Also possible to use buckling curves derived from buckling tests and numerical FEA models Buckling curves give reduction factors LT for design as a function of the slenderness ratio l LT A. Luible
31 Design of Glass Fins Lateral torsional buckling check M CR = g 2 L ay EI y GJ 1.7 g 3 y h L ay EI y GJ
32 Design of Glass Fins Lateral torsional buckling restraint Glass as a restraint? Restraint capacity?
33 Design of Glass Fins Redundancy check Laminated glass Prevent progressive collapse Check fins with one ply broken and reduced safety factors (accidental loading)
34 Design of Glass Fins Interstorey movement allowance (vertical restraint release)
35 Design of Glass Fins Spliced connections
36 Design of Glass Fins Spliced connections
37 Design of Glass Fins Clamped or bolted design
38 Design of Glass Fins Clamped or bolted design
39 Comparative Study of Glass Design Standards Review of glass behaviour Design standards for glass sheets Design of glass fins Design of bolted glass Beyond standards
40 Bolted glass Stress concentration at bolt holes
41 Bolted glass Stress concentration at bolt holes Mascha Baitinger, Markus Feldmann
42 Bolted glass Simple theoretical approach Multiply stress by a factor
43 Bolted glass Simple FEA model No holes
44 Bolted glass Simple FEA model No holes
45 Bolted glass Simple FEA model No holes
46 Bolted glass More refined approach Hole and fitting
47 Bolted glass More refined approach Hole and fitting
48 Bolted glass More refined approach Hole and fitting
49 Bolted glass More refined approach Hole and fitting
50 Bolted glass Stress concentration at bolt holes Local mesh refinement
51 Bolted glass Load amplification factor is inaccurate (over-conservative) High sensitivity of results to mesh size Results sensibly the same between simple and complex models
52 Comparative Study of Glass Design Standards Review of glass behaviour Design standards for glass sheets Design of bolted glass Design of glass fins Beyond standards
53 Beyond Standards Direct glass-to-glass connections
54 Beyond Standards Laminated connections
55 Beyond Standards Laminated connections Eckersley O Callaghan
56 Beyond Standards Laminated connections Eckersley O Callaghan
57 Beyond Standards All glass structures Eckersley O Callaghan
58 Beyond Standards Glued connections Eckersley O Callaghan
59 Beyond Standards Chemically tempered glass JSJ Jodeit
60 Beyond Standards Chemically tempered glass
61 Beyond Standards Glass connections
62 Comparative Study of Glass Design Standards Review of glass behaviour Design standards for glass sheets Design of glass fins Design of bolted glass Beyond standards
Edge Grinding and the Issues Surrounding Fabrication Prior to Heat-Treatment
Edge Grinding and the Issues Surrounding Fabrication Prior to Heat-Treatment Fall Conference 2018 Max Perilstein, Sole Source Consulting A. William Lingnell Lingnell Consulting Services Background Growing
More informationThe Behaviour Of Round Timber Sections Notched Over The Support On The Tension Face. Justin Dewey
The Behaviour Of Round Timber Sections Notched Over The Support On The Tension Face Justin Dewey Need for research In Queensland there are approximately 400 timber bridges still in use. Very little research
More informationStructural Strength of Lapped Cold-Formed Steel Z-Shaped Purlin Connections with Vertical Slotted Holes
Missouri University of Science and Technology Scholars' Mine International Specialty Conference on Cold- Formed Steel Structures (2014) - 22nd International Specialty Conference on Cold-Formed Steel Structures
More informationIntroduction Description Capabilities Applications Characteristics Additional Important Information
Heat-Treated Glass Introduction Description Capabilities Applications Characteristics Additional Important Information Section 7 03 Sybase Dublin, California Architect: RMW Architecture and Interiors Section
More informationRecommended Applications for Heat-Treated Glass
Glass Informational Bulletin Recommended Applications for Heat-Treated Glass The glass industry has been heat treating architectural glass to increase its strength since about 1930. The process of heat-
More informationEXAMPLE 1-4 EXAMPLE 1-5
EXAMPLE 1- Calculate the maximum shear stress τmax in a simply supported wood beam carrying a uniform load of (w=18 kn/m) if the length is 1.75 m and the cross section is rectangular with width 150 mm
More informationHours / 100 Marks Seat No.
17610 15116 4 Hours / 100 Seat No. Instructions (1) All Questions are Compulsory. (2) Answer each next main Question on a new page. (3) Illustrate your answers with neat sketches wherever necessary. (4)
More informationBolts and Set Screws Are they interchangeable?
1903191HA Bolts and Set Screws Are they interchangeable? Prof. Saman Fernando Centre for Sustainable Infrastructure SUT Introduction: This technical note discusses the definitions, standards and variations
More informationM-RAIL Sismet Road, Mississauga, L4W 1V6 TEST REPORT FOR MLEVEL GUARD SYSTEMS
M-RAIL 1625-9 Sismet Road, Mississauga, L4W 1V6 TEST REPORT FOR MLEVEL GUARD SYSTEMS Report of mechanical load testing of the metal stand-off system for compliance with the applicable requirements of the
More informationStandard Operating Procedure. Garibaldi Glass Capabilities
Garibaldi Glass Capabilities 1. Garibaldi Glass Capability Guidelines Table Of Contents Purpose and Scope Flat Annealed Glass Heat Treated Safety Glass Heat Soaked Glass Ceramic Frit Fabricated Glass Laminated
More informationExperimental Evaluation of Metal Composite Multi Bolt Radial Joint on Laminate Level, under uni Axial Tensile Loading
RESEARCH ARTICLE OPEN ACCESS Experimental Evaluation of Metal Composite Multi Bolt Radial Joint on Laminate Level, under uni Axial Tensile Loading C Sharada Prabhakar *, P Rameshbabu** *Scientist, Advanced
More informationBolt Material Types and Grades 1- Bolts made of carbon steel and alloy steel: 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 10.9 Nuts made of carbon steel and alloy
Bolt Material Types and Grades 1- Bolts made of carbon steel and alloy steel: 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 10.9 Nuts made of carbon steel and alloy steel: 4, 5, 6, 8, 10, 12 2- Bolts made of stainless
More informationSelection Guide for Flat Thermally Toughened Soda Lime Silicate Safety Glass
Selection Guide for Flat Thermally Toughened Soda Lime Silicate Safety Glass February 2016 Administer by PO Box 7861, Halfway House, 1685 ASSOCIATION OF ARCHITECTURAL ALUMINIUM MANUFACTURERS OF SOUTH AFRICA
More information1. Enumerate the most commonly used engineering materials and state some important properties and their engineering applications.
Code No: R05310305 Set No. 1 III B.Tech I Semester Regular Examinations, November 2008 DESIGN OF MACHINE MEMBERS-I ( Common to Mechanical Engineering and Production Engineering) Time: 3 hours Max Marks:
More informationDowel connections in laminated strand lumber
Dowel connections in laminated strand lumber Cranswick, Chad J. 1, M c Gregor, Stuart I. 2 ABSTRACT Laminated strand lumber (LSL) is a relatively new structural composite lumber. As such, very limited
More informationSTUDY AND ANALYSIS OF ANGULAR TORQUING OF ENGINE CYLINDER-HEAD BOLTS USING TORQUE-TO-YIELD BOLTS: A CASE STUDY
International Journal of Mechanical and Production Engineering Research and Development (IJMPERD) ISSN 2249-6890 Vol. 3, Issue 4, Oct 2013, 1-10 TJPRC Pvt. Ltd. STUDY AND ANALYSIS OF ANGULAR TORQUING OF
More informationAn Alternative Formulation for Determining Stiffness of Members with Bolted Connections
An Alternative Formulation for Determining Stiffness of Members with Bolted Connections Mr. B. Routh Post Graduate Student Department of Civil Engineering National Institute of Technology Agartala Agartala,
More informationCopyright. Michael Joseph Gilroy. May 1997
Copyright by Michael Joseph Gilroy May 1997 Tightening of High Strength Metric Bolts by Michael Joseph Gilroy, B.S. Thesis Presented to the Faculty of the Graduate School of The University of Texas at
More informationDesign of structural connections for precast concrete buildings
BE2008 Encontro Nacional Betão Estrutural 2008 Guimarães 5, 6, 7 de Novembro de 2008 Design of structural connections for precast concrete buildings Björn Engström 1 ABSTRACT A proper design of structural
More informationAnti-check bolts as means of repair for damaged split ring connections
Anti-check bolts as means of repair for damaged split ring connections Quenneville, J.H.P. 1 and Mohammad, M. 2 ABSTRACT There are numerous large span timber hangars dating back to the Second World War.
More informationGLASS HEAT TREATMENT MULTIVER GLASS TEMPERED GLASS HEAT-STRENGTHENED GLASS HEAT SOAK TESTED TEMPERED GLASS. DATA SHEET / Quebec. Version 2.
MULTIVER GLASS GLASS HEAT TREATMENT TEMPERED GLASS HEAT-STRENGTHENED GLASS HEAT SOAK TESTED TEMPERED GLASS DATA SHEET / Quebec Version 2.1 Type of Glass Offered by Multiver TEMPERED GLASS To increase the
More informationHanger bolts and solar fasteners in sandwich panels
Hanger bolts and solar fasteners in sandwich panels Helmut Krüger 1, Thomas Ummenhofer 2, Daniel C. Ruff 3 Abstract For the energetic use of sunlit roofs, photovoltaic and solar thermal elements are mounted
More informationStructural Bolting. Notice the Grade 5 has a much smaller head configuration and a shorter shank then the grade A325 structural bolt.
Structural Bolting ASTM F3125/F3125M is a structural bolt specification covering inch and metric bolt grades. This specification contains 4 inch series bolting grades: A325, F1852, A490, and F2280. These
More informationMoment Resisting Connections for Load Bearing Walls
PRECAST: MOMENT RESISTING CONNECTIONS Moment Resisting Connections for Load Bearing Walls Manish Khandelwal Sr. Structural Engineer, Building Structures, Sweco India Private Limited Design philosophy for
More informationbolts: G Cr-1/5Mo (A193 B7) 16 x M20 (EN ISO 4014) MPR GASKET 'SP' PETRO 4,0mm 363 x 323 x 4,5 mm (2 pieces)
test condition: 20 C 44 bar load condition 1: 206 C 18 bar load condition 2: 210 C 26 bar bolts: G41400 1Cr-1/5Mo (A193 B7) 16 x M20 (EN ISO 4014) gasket: MPR GASKET 'SP' PETRO 4,0mm 363 x 323 x 4,5 mm
More informationVERSA-LAM. An Introduction to VERSA-LAM Products
44 VERSA-LAM An Introduction to VERSA-LAM Products VERSA-LAM is one of the strongest and stiffest engineered wood products approved in the UK. 241 302 356 406 VERSA-LAM products are excellent as floor
More informationNote: Conditions where bending loads are imposed on the bolt e.g. non-parallel bolting surfaces, should be avoided.
Bolted Joint Design Introduction A most important factor is machine design, and structural design is the rigid fastening together of different components. This should include the following considerations..
More information1/2/2016. Lecture Slides. Screws, Fasteners, and the Design of Nonpermanent Joints. Reasons for Non-permanent Fasteners
Lecture Slides Screws, Fasteners, and the Design of Nonpermanent Joints Reasons for Non-permanent Fasteners Field assembly Disassembly Maintenance Adjustment 1 Introduction There are two distinct uses
More informationBehaviour of fibre reinforced composite beams with mechanical joints
Behaviour of fibre reinforced composite beams with mechanical joints A.C. Manalo 1 *and H. Mutsuyoshi 2 1 Centre of Excellence in Engineered Fibre Composites (CEEFC), University of Southern Queensland,
More informationEXPERIMENTAL INVESTIGATION OF FATIGUE BEHAVIOUR IN COMPOSITE BOLTED JOINTS
EXPERIMENTAL INVESTIGATION OF FATIGUE BEHAVIOUR IN COMPOSITE BOLTED JOINTS Roman Starikov 1 and Joakim Schön 2 1 Department of Aeronautics, Royal Institute of Technology SE-1 44 Stockholm, Sweden 2 Structures
More informationLP SolidStart Laminated Strand Lumber (LSL) and Laminated Veneer Lumber (LVL) Louisiana-Pacific Corporation Revised July 21, 2017
LP SolidStart Laminated Strand Lumber (LSL) and Laminated Veneer Lumber (LVL) PR-L280(C) Louisiana-Pacific Corporation Revised July 21, 2017 Products: LP SolidStart 1.35E, 1.55E, and 1.75E LSL LP SolidStart
More informationMoment-Resisting Connections In Laminated Veneer Lumber (LVL) Frames
Moment-Resisting Connections In Laminated Veneer Lumber (LVL) Frames Andy van Houtte Product Engineer-LVL Nelson Pine Industries Nelson, NZ Andy Buchanan Professor of Civil Engineering Peter Moss Associate
More informationDESIGN, ANALYSIS AND OPTIMIZATION OF CURVE ATTACHMENT ON COMPOSITE HYBRID LAP JOINT
DESIGN, ANALYSIS AND OPTIMIZATION OF CURVE ATTACHMENT ON COMPOSITE HYBRID LAP JOINT S. Sridhar 1, S. Lakshmi Narayanan 2 1Master s in CAD/CAM Engineering, CIPET- Chennai, Govt. of India. 2Assistant Professor,
More informationGlulam Connection Details
T E C H N I C A L N O T E Glulam Connection Details Note: This version is superseded by a more current edition. Check the current edition for updated design and application recommendations. ENGINEERED
More informationConnection and Tension Member Design
Connection and Tension Member Design Notation: A = area (net = with holes, bearing = in contact, etc...) Ae = effective net area found from the product of the net area An by the shear lag factor U Ab =
More informationProposal for new standard. Determination of interface friction between painted parts. Orientation. p. 1 (15) Draft1, Revised
p. 1 (15) Draft1, Revised 2018-03-29 Proposal for new standard Determination of interface friction between painted parts. Orientation This standard specifies the method and conditions to evaluate interface
More informationA STUDY ON PATTERN DAMAGE OF FINGER JOINTS IN BAMBOO LAMINATED BEAMS
A STUDY ON PATTERN DAMAGE OF FINGER JOINTS IN BAMBOO LAMINATED BEAMS Agus Rivani * * Abstract The aim of this study was to know the pattern damage of finger joints in bamboo laminated beams. The dimension
More informationKey Principles In The Design & Manufacture Of Curved Glass
Key Principles In The Design & Manufacture Of Curved Glass (With Specific Focus on Visual Quality Acceptance) Naoki Woodward 20.03.18 Introduction 1. Visual Quality flat glass defects 2. Cold bent/hot
More informationPRO LIGNO Vol. 11 N pp
FINITE ELEMENT SIMULATION OF NAILED GLULAM TIMBER JOINTS Mats EKEVAD Luleå University of Technology Division of Wood Science and Engineering SE-931 87 Skellefteå, Sweden Tel: +46 910 585377; E-mail: mats.ekevad@ltu.se
More informationSTRUCTURAL TIMBER DESIGN
STRUCTURAL TIMBER DESIGN to Eurocode 5 2nd Edition Jack Porteous BSc, MSc, DIC, PhD, CEng, MIStructE, FICE Director lack Porteous Consultancy and Abdy Kernlani BSc, MSc, PhD, CEng, FIStructE, FIWSc Professor
More informationDesign and Development of Hydraulic Fixture for Basak Cylinder Head Machining
Design and Development of Hydraulic Fixture for Basak Cylinder Head Machining Mr. Nagaraj Anand Shet 1, Mr. Prasad U Raikar 2 Department of Studies in Product Design &Manufacturing Engineering, VTU Belagavi,
More informationTHE ENGINEERED WOOD ASSOCIATION
D A T A F I L E APA Performance Rated Rim Boards A rim board is the wood component that fills the space between the sill plate and bottom plate of a wall or, in second floor construction, between the top
More informationICBO ES ER-5598 n HUD MR 1310 DSA PA-123 n LAC RR25448 n CCMC R. Limit States Design
beams, Columns & Headers ICBO ES ER-5598 n HUD MR 1310 DSA PA-123 n LAC RR25448 n CCMC 13006-R Limit States Design P h o e n i x B u i l d i n g C o m p o n e n t s 2 Manufacturing WOOD The miracle Material
More informationApplications for curved glass in buildings
Journal of Facade Design and Engineering 2 (2014) 67 83 DOI 10.3233/FDE-150016 IOS Press 67 Applications for curved glass in buildings Jürgen Neugebauer University of Applied Sciences FH-Joanneum, Graz,
More informationComparative Evaluation of Resistance Made Simple Shear Connection with Bolts and With Welding
International Journal of Engineering Inventions e-issn: 78-7461, p-issn: 319-6491 Volume 3, Issue 7 (February 014) PP: 1-5 Comparative Evaluation of Resistance Made Simple Shear Connection with Bolts and
More informationFinite Element Analysis per ASME B31.3
Brief Discussion: Split-Body 12in Butterfly valve, Ph: 520-265-3657 Page 1 of 13 Finite Element Analysis per ASME B31.3 Prepared by: Michael Rodgers, P.Eng. Date: July 16, 2010 Page 2 of 13 Section Headings:
More informationLawrence A. Soltis, M. and Robert J. Ross, M. 1
REPAIR OF WHITE OAK GLUED-LAMINATED BEAMS Lawrence A. Soltis, M. and Robert J. Ross, M. 1 Abstract Connections between steel side plates and white oak glued-laminated beams subjected to tension perpendicular-to-grain
More informationAn experimental investigation on crack paths and fatigue behaviour of riveted lap joints in aircraft fuselage
An experimental investigation on crack paths and fatigue behaviour of riveted lap joints in aircraft fuselage A. Skorupa 1, M. Skorupa 1, T. Machniewicz 1, A. Korbel 1 1 AGH University of Science and Technology,
More informationNonlinear behavior of Reinforced Concrete Infilled Frames using ATENA 2D
Available online at www.ijacskros.com Indian Journal of Advances in Chemical Science S1 (2016) 173-178 Nonlinear behavior of Reinforced Concrete Infilled Frames using ATENA 2D M. D. Raghavendra Prasad,
More informationM. Bücker*, M. Magin. Institute for Composite Materials, Erwin-Schrödinger-Straße 58, Kaiserslautern, Germany
TESTING OF THE STRENGTH OF AN ALTERNATIVE MANUFACTURING METHOD FOR BOLTED JOINTS USED IN A GFRP-ROTOR OF AN AXIAL-FLUX ELEKTRIC MOTOR FOR SERIAL PRODUCTION IN AUTOMOTIVE M. Bücker*, M. Magin Institute
More informationBolted Joint Design. Mechanical Properties of Steel Fasteners in Service
Bolted Joint Design There is no one fastener material that is right for every environment. Selecting the right fastener material from the vast array of those available can be a daunting task. Careful consideration
More informationGlulam Curved Members. Glulam Design. General Glulam Design. General Glulam Beams are Designed in the SAME Manner as Solid Sawn Beams
Glulam Curved Members Glulam Design General Glulam Beams are Designed in the SAME Manner as Solid Sawn Beams There is an Additional Adjustment Factor, C v, the Volume Factor C v and C L (Lateral Stability
More informationFailure of Engineering Materials & Structures. Code 34. Bolted Joint s Relaxation Behavior: A FEA Study. Muhammad Abid and Saad Hussain
Failure of Engineering Materials & Structures Code 3 UET TAXILA MECHNICAL ENGINEERING DEPARTMENT Bolted Joint s Relaxation Behavior: A FEA Study Muhammad Abid and Saad Hussain Faculty of Mechanical Engineering,
More informationFormulae for calculations A) Nomenclature
Formulae for calculations A) Nomenclature do= Nominal diameter {Outside diameter of screw} dc= Core diameter of screw d= Mean Diameter of the screw p= Pitch of the screw. ) Thread angle ( α) α = tan 1
More informationFretting Fatigue of Slot-dovetails in Turbo-generator Rotor
Fretting Fatigue of Slot-dovetails in Turbo-generator Rotor (From O&M Issues Discussed in Recent EPRI Meetings) H. Ito Toshiba Corporation 1-1-1, Shibaura, Minato-Ku, Tokyo, 105-8001 Japan Abstract-This
More informationnineteen Wood Construction 1 and design APPLIED ARCHITECTURAL STRUCTURES: DR. ANNE NICHOLS FALL 2016 lecture STRUCTURAL ANALYSIS AND SYSTEMS ARCH 631
APPLIED ARCHITECTURAL STRUCTURES: STRUCTURAL ANALYSIS AND SYSTEMS DR. ANNE NICHOLS FALL 2016 lecture nineteen wood construction and design Wood Construction 1 Timber Construction all-wood framing systems
More informationCast-in Ferrule Connections Load/Displacement Characteristics in Shear
Cast-in Ferrule Connections Load/Displacement Characteristics in Shear Ian Ferrier 1 and Andrew Barraclough 2 1 Product Manager - Connections, ITW Construction Systems ANZ. 2 Research and Development Manager,
More informationPermanent fasteners: Riveted joints Welded joints Detachable joints: Threaded fasteners screws, bolts and nuts, studs. Cotter joints Knuckle joints
Instructional Objectives At the end of this lesson, the students should have the knowledge of Fasteners and their types: permanent and detachable fasteners. Different types of pin joints. Different types
More informationFinite Element Analysis of Multi-Fastened Bolted Joint Connecting Composite Components in Aircraft Structures
Finite Element Analysis of Multi-Fastened Bolted Joint Connecting Composite Components in Aircraft Structures Dr. M Satyanarayana Gupta Professor & HoD, Dept. of Aeronautical Engineering MLRIT, Hyderabad.
More informationSIMULATION AND EXPERIMENTAL WORK OF SINGLE LAP BOLTED JOINT TESTED IN BENDING
SIMULATION AND EXPERIMENTAL WORK OF SINGLE LAP BOLTED JOINT TESTED IN BENDING Aidy Ali *, Ting Wei Yao, Nuraini Abdul Aziz, Muhammad Yunin Hassan and Barkawi Sahari Received: Jun 13, 2007; Revised: Nov
More informationPerma-Column Design and Use Guide for PC6300, PC6400, PC6600, PC8300, and PC8400 Models
Perma-Column Design and Use Guide for PC6300, PC6400, PC6600, PC300, and PC400 Models by Brent Leatherman, P.E. Timber Tech Engineering, Inc E-Mail: bl@timbertecheng.com April 1, 2005 East: 22 Denver Road,
More informationFatigue Analysis of VMC 450 Spindle
Fatigue Analysis of VMC 450 Spindle Tushar Gadekar 1, Avinash Ranaware 2, Sonal Sawant 3 1Assistant Professor, Mechanical Engg Department, College of Engineering, Phaltan, Maharashtra, India 2Assistant
More informationDynamic Analysis of Infills on R.C Framed Structures
Dynamic Analysis of Infills on R.C Framed Structures Manju G 1 P.G. Student, Department of Civil Engineering, Sahyadri College of Engineering and Management, Mangalore, Karnataka, India 1 ABSTRACT: While
More informationFeaturing TJ Rim Board and TimberStrand LSL
#TJ-8000 SPECIFIER S GUIDE TRUS JOIST RIM BOARD Featuring TJ Rim Board and TimberStrand LSL Multiple thicknesses, grades, and products to cover all your rim board needs 1¼" Thickness matches lateral load
More informationDESIGN OF MACHINE MEMBERS-I
Code No: R31035 R10 Set No: 1 JNT University Kakinada III B.Tech. I Semester Regular/Supplementary Examinations, Dec - 2014/Jan -2015 DESIGN OF MACHINE MEMBERS-I (Mechanical Engineering) Time: 3 Hours
More informationTECHNICAL SPECIFICATION FOR. CONTACT WIRE HARD-DRAWN COPPER 161mm2
Engineering Specification Electrical TECHNICAL SPECIFICATION FOR CONTACT WIRE HARD-DRAWN COPPER 161mm2 Version: 2 Issued: May 2018 Owner: Engineering Approved by: Andrew Russack, Head of Engineering Electrical
More informationLP SolidStart Laminated Strand Lumber and Laminated Veneer Lumber Louisiana-Pacific Corporation Revised May 6, 2011
LP SolidStart Laminated Strand Lumber and Laminated Veneer Lumber PR-L280 Louisiana-Pacific Corporation Revised May 6, 2011 Products: LP SolidStart 1.35E, 1.55E, and 1.75E LSL LP SolidStart 1750F b -1.3E
More informationPerma-Column Design and Use Guide for PC6300, PC6400, PC6600, PC8300, and PC8400 Models
Perma-Column Design and Use Guide for PC6300, PC6400, PC6600, PC300, and PC400 Models by Brent Leatherman, P.E. Timber Tech Engineering, Inc E-Mail: bl@timbertecheng.com April 1, 2005 East: 22 Denver Road,
More informationTEST SERIES TO EVALUATE THE STRUCTURAL BEHAVIOUR OF ISOBOARD OVER RAFTER SYSTEM
TEST SERIES TO EVALUATE THE STRUCTURAL BEHAVIOUR OF ISOBOARD OVER RAFTER SYSTEM J A Wium Institute of Structural Engineering 19 November 2007 ISI2007-3 TEST SERIES TO EVALUATE THE STRUCTURAL BEHAVIOUR
More informationa) If a bolt is over-tightened, which will fail first the bolt, or the plastic?
2.2.75 6.525 Problem Set 3: Solutions to ME problems Fall 2013 Jacob Bayless Problem 1: Bolted joint a) If a bolt is over-tightened, which will fail first the bolt, or the plastic? The bolt is made of
More informationCH # 8. Two rectangular metal pieces, the aim is to join them
CH # 8 Screws, Fasteners, and the Design of Non-permanent Joints Department of Mechanical Engineering King Saud University Two rectangular metal pieces, the aim is to join them How this can be done? Function
More informationSTRESS DISTRIBUTION OF BOLTED JOINTS WITH DIFFERENT LAY-UP TYPES. H. Ahmad
STRESS DISTRIBUTION OF BOLTED JOINTS WITH DIFFERENT LAY-UP TYPES H. Ahmad Faculty of Civil and Environmental Engineering, Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Batu Pahat, Johor, Malaysia
More informationSteeline X-SPAN purlins
Steeline X-SPAN purlins DESIGN MANUAL F y y L R5 t D 2 Origin x x x x y D L steeline.com.au y y E CONTENTS IMPORTANT NOTES... 1-1 DISCLAIMER... 1-1 INTRODUCTION... 1-2 HOW TO USE THE X-SPAN purlins DESIGN
More informationDevelopment of Wooden Portal Frame Structures with Improved Columns
Development of Wooden Portal Frame Structures with Improved Columns by Dr. Masahiro Noguchi Post Doctoral Fellow Tokyo Institute of Technology, Yokohama, Kanagawa, Japan Prof. dr. Kohei Komatsu Professor
More informationTechnical Data Sheet. T E C H N I C A L D A T A S H E E T Superprop. Mass 25 Mass 50 M AT 125 Superprop. MU Bridging
Technical Data Sheet Mass 25 Mass 50 M AT 125 Hydraulics Quickbridge MU Falsework MU Bridging Compact Bridging BarrierGuard 800 Instrumentation Mabey Hire Ltd. Structural Support & Bridging Bridge House,
More informationOil tempered SiCrV-alloyed high tensile valve spring wire Only manudactured in China
1/5 Oil tempered SiCrV-alloyed high tensile valve spring wire Only manudactured in China is a Super Clean steel, especially intended for the manufacture of valve springs and other springs requiring high
More informationBeam & Header Technical Guide. LP SolidStart LVL. 2900F b -2.0E. U.S. Technical Guide U.S. TECHNICAL GUIDE
U.S. Technical Guide U.S. TECHNICAL GUIDE LP SolidStart LVL & Header Technical Guide 2900F b -2.0E Please verify availability with the LP SolidStart Engineered Wood Products distributor in your area prior
More informationAMTS STANDARD WORKSHOP PRACTICE. Bond Design
AMTS STANDARD WORKSHOP PRACTICE Reference Number: AMTS_SWP_0027_2008 Date: December 2008 Version: A 1 Contents 1 Technical Terms...3 2 Scope...3 3 Primary References...3 4 Basic...3 4.1 Typical joint types...4
More informationEFFECTS OF GEOMETRY ON MECHANICAL BEHAVIOR OF DOVETAIL CONNECTION
EFFECTS OF GEOMETRY ON MECHANICAL BEHAVIOR OF DOVETAIL CONNECTION Gi Young Jeong 1, Moon-Jae Park 2, KweonHwan Hwang 3, Joo-Saeng Park 2 ABSTRACT: The goal of this study is to analyze the effects of geometric
More informationTypes of Glass by Composition
What is Glass? An amorphous fusion of mineral compounds that produces a transparent solid when cooled. A 3D network of atoms which lacks the repeated, orderly arrangement typical of crystalline materials.
More informationModule 10 : Improvement of rock mass responses. Content
IMPROVEMENT OF ROCK MASS RESPONSES Content 10.1 INTRODUCTION 10.2 ROCK REINFORCEMENT Rock bolts, dowels and anchors 10.3 ROCK BOLTING MECHANICS Suspension theory Beam building theory Keying theory 10.4
More informationCINEMATIC VISUALIZATION OF FAILURE MECHANISMS IN TIMBER STRUCTURES
CINEMATIC VISUALIZATION OF FAILURE MECHANISMS IN TIMBER STRUCTURES Philipp Dietsch 1, Simon Schmid 2, Michael Merk 3, Stefan Winter 4 ABSTRACT: The objective of the project presented was to visualize typical
More informationOil tempered SiCrV-alloyed high tensile valve spring wire
OTEVA 75 SC, OTEVA 75 SC 1/5 PLUS Oil tempered SiCrV-alloyed high tensile valve spring wire OTEVA 75 SC is a Super Clean steel, especially intended for the manufacture of clutch/ transmission springs with
More informationINFLUENCE OF SOME MODIFICATIONS OF LOCAL GEOMETRY ON THE STRESS STATES IN ADHESIVE BONDED LAP JOINTS
SISOM 2009 and Session of the Commission of Acoustics, Bucharest 28-29 May INFLUENCE OF SOME MODIFICATIONS OF LOCAL GEOMETRY ON THE STRESS STATES IN ADHESIVE BONDED LAP JOINTS Adriana SANDU *, Marin SANDU
More informationDEVELOPMENT OF A NOVEL TOOL FOR SHEET METAL SPINNING OPERATION
DEVELOPMENT OF A NOVEL TOOL FOR SHEET METAL SPINNING OPERATION Amit Patidar 1, B.A. Modi 2 Mechanical Engineering Department, Institute of Technology, Nirma University, Ahmedabad, India Abstract-- The
More informationA Study on Effect of Sizing Bolt Hole in Single-Lap Connection Using FEA
Journal of Scientific Research & Reports 19(1): 1-14, 2018; Article no.jsrr.40498 ISSN: 2320-0227 A Study on Effect of Sizing Bolt Hole in Single-Lap Connection Using FEA Anil Zafer 1, Orkun Yilmaz 1*
More informationDrawing. Fig. 1 Drawing
Drawing Drawing is a metalworking process which uses tensile forces to stretch metal. It is broken up into two types: sheet metal drawing and wire, bar, and tube drawing. The specific definition for sheet
More informationDetermining the transverse shear stiffness of steel storage rack upright frames
Determining the transverse shear stiffness of steel storage rack upright frames Author Gilbert, Benoit, J.R. Rasmussen, Kim, Baldassino, Nadia, Cudini, Tito, Rovere, Leo Published 2012 Journal Title Journal
More informationAspen Art Museum Creating Innovative Wood Structure
Aspen Art Museum Creating Innovative Wood Structure Tallinn Wood Architecture Conference November 25-26, 2015 Aspen Art Museum Wood Space Frame THE PLAYERS OUTLINE THE BUILDING CONCEPT THE ARCHITECT S
More informationDesign of Machine Elements I Prof. G. Chakraborty Department of Mechanical Engineering Indian Institute of Technology Kharagpur
Design of Machine Elements I Prof. G. Chakraborty Department of Mechanical Engineering Indian Institute of Technology Kharagpur Lecture - 22 Rivet Joints Dear student, welcome to the video lectures on
More informationCF Series AXC5/AXC6. FEATURES 1. Vertical mating type with a 0.8 mm mated height low profile design
For board-to-micro coaxial wire Micro coaxial connectors (Low profile) AC5/AC6 CF Series 2. with strong resistance to various environments provides high contact reliability and facilitates connection work
More informationVertical Struts. P16603: Work Piece Movement Jonathan Sanabria April 19, Contents
Vertical Struts P16603: Work Piece Movement Jonathan Sanabria April 19, 2016 Contents Overview Assumptions for Research/Design Summary of Research Summary of Design Moving Forward Overview The primary
More information3D Non-Linear FEA to Determine Burst and Collapse Capacity of Eccentrically Worn Casing
3D Non-Linear FEA to Determine Burst and Collapse Capacity of Eccentrically Worn Casing Mark Haning Asst. Prof James Doherty Civil and Resource Engineering, University of Western Australia Andrew House
More informationSockets. Dimensions; Mechanical & Performance Requirements. Socket Head Cap Screws Body & Grip Lengths - Socket Cap Screws...
imensions; Mechanical & Performance Requirements Socket Head Cap Screws... 2-4 Body & Grip Lengths - Socket Cap Screws... 5-6 Low Head Socket Cap Screws... 7 Button Head Socket Cap Screws... 8 Flat Head
More information2001 HSC Engineering Studies Marking Guidelines
00 HSC Engineering Studies Marking Guidelines Question (a) ( marks) Outcomes assessed: H. States a valid material once used extensively, and a valid material that has replaced it, and gives a valid reason
More informationInvestigations on the Effectiveness of Self-tapping Screws in Reinforcing Bolted Timber Connections
Investigations on the Effectiveness of Self-tapping Screws in Reinforcing Bolted Timber Connections Mohammad Mohammad Group Leader, Building Systems Forintek Canada Corp, Eastern Division Quebec, Canada
More informationERECTION & CONSTRUCTION
ERECTION & CONSTRUCTION High Strength Structural Bolting Author: Clark Hyland Affiliation: Steel Construction New Zealand Inc. Date: 24 th August 2007 Ref.: Key Words High Strength Bolts; Property Class
More informationDIGITALLY PRINTED GLASS
2 www.prelco.ca PREL-DESIGN DIGITALLY PRINTED GLASS DESCRIPTION Prel-Design in-glass printing allows you to reproduce the image of your choice on one or several glass panels. The image is produced by a
More informationRigid Connections. Between Wood posts and concrete
Research + Technology Research + Technology Rigid Connections Between Wood posts and concrete By David R. Bohnhoff, PHD, PE Modeling Connections The primary goal of a structural engineer is to ensure that
More informationVertex Detector Mechanics
Vertex Detector Mechanics Bill Cooper Fermilab (Layer 5) (Layer 1) VXD Introduction The overall approach to mechanical support and cooling has been developed in conjunction with SiD. The support structures
More information