ITB TECHNICAL APPROVAL AT /2011

Transcription

1 INSTYTUT TECHNIKI BUDOWLANEJ P L W A R S A W, u l. F I L T R O W A 1 Phone: (48 22) ; (48 22) ; fax (48 22) M e m b e r o f t h e E u r o p e a n U n i o n o f A g r é m e n t i n t h e C o n s t r u c t i o n I n d u s t r y U E A t c M e m b e r o f E u r o p e a n O r g a n i s a t i o n f o r T e c h n i c a l A p p r o v a l s Serial: TECHNICAL APPROVALS ITB TECHNICAL APPROVAL AT /2011 Pursuant to the Regulation of the Minister of Infrastructure dated 8 November 2004 on the technical approvals and organizational entities authorized to issue them (Polish Journal of Laws Dz. U. No. 249, item. 2497), as a result of approval procedures carried out at the Building Research Institute in Warsaw, upon the request of Company: KOELNER S. A Wrocław, ul. Kwidzyńska 6 it is hereby certified that the products named below: Steel wedge anchors with internal thread KOELNER RAWL R-DCA are suitable for use in the construction industry in the scope of and in compliance with the rules as defined in the Enclosure constituting an integral part of the ITB Technical Approval. Validity date: 16 March 2016 Attachment: General and Technical Provisions Signed by: Deputy Director for Co-operation with the Economy Jan Bobrowicz Warsaw, 16 march 2011 ITB Technical Approval AT /2011 is an alteration of ITB Technical Approval AT /2008. This document of ITB Technical Approval AT /2011 contains 13 pages. The text of this document must not be reproduced otherwise than in its full form; any other form of publication or reproduction of any excerpts hereof shall require a written agreement with the Building Research Institute.

2 AT /2008 page 2/13 ATTACHEMENT GENERAL AND TECHNICAL PROVISIONS TABLE OF CONTENTS 1. SUBJECT OF APPROVAL INTENDED USE, SCOPE AND CONDITION OF APPLICATION TECHNICAL PROPERTIES. REQUIREMENTS Materials Wedge Anchors PACKAGING, STORAGE AND TRANSPORT CONFORMITY ASSESSMENT General conditions Initial type-testing Factory production control Tests of finished products Frequency of tests Test methods Taking samples for testing Evaluation of test results FORMAL AND LEGAL BASES VALIDITY DATE... 9 ADDITIONAL INFORMATION... 9 FIGURES and TABLES... 11

3 AT /2008 page 3/13 1. SUBJECT OF APPROVAL The subject of this ITB Technical Approval is steel KOELNER RAWL R-DCA wedge anchor with an internal thread. The manufacturer of products covered by the Approval is the company KOELNER S.A., Wrocław, ul. Kwidzyńska 6. KOELNER RAWL R-DCA wedge anchor are shown in Figure 1 Screws of anchor sleeves made by RAWL R-DCA have a thread diameter M6, M8, M10, M12, M16 or M20. Anchor body and screws are made of galvanized common, carbon steel, classified in the class of mechanical properties as minimum 5.8 according to PN-EN ISO 898-1:2001, or austenitic steel, corrosion resistant (stainless steel) with the chemical composition and mechanical properties specified for type A4 and class 50 according to PN-EN ISO :2009. Wedge anchor made of stainless steel are marked RAWL R-DCA-A4. Washers are made of galvanized common, carbon steel, classified in the class of mechanical properties as 5 according to PN-EN ISO 898-1:1999, or corrosion resistant steel (stainless steel) with the chemical composition and mechanical properties specified for type A4 according to PN-EN ISO :2009. The connection in the substrate succeed by hammering the tapered plug into anchor, that causing expansion of anchor s body cutted fragments and that create the permanent anchorage in the substrate. Anchorage with the use of wedge anchor RAWL R-DCA is shown in Figure 1 Required technical parameters of wedge anchors made by KOELNER RAWL R-DCA are specified in par PURPOSE, SCOPE AND CONDITIONS OF USE KOELNER RAWL R-DCA wedge anchors are intended to be an anchorages of statically loaded construction elements in reinforced and non-reinforced concrete of grade minimum C20/25 according to standard PN-EN 206-1:2003. Anchorages with KOELNER RAWL R-DCA wedge anchors can be performed on cracked concrete.

4 AT /2008 page 4/13 Due to the environment corrosion aggressiveness, galvanized steel wedge anchors can be used in accordance with the requirements and in environments with atmospheric corrosion categories according to PN-EN ISO :2001, and stainless steel wedge anchors in accordance with standard PN-71/H Parameters of wedge anchors spacing and installation in the substrate are specified in Figure 1 and in Table 1. Characteristic and design resistance of wedge anchors embedment referred to in this Approval are specified in Tables 2 3. The hole in the concrete substrate should be drilled perpendicularly to the substrate surface. It should be possible to get the wedge anchor driven into the hole made with light hammer blows. The conical spindle should be hammered in, and the anchor should be installed with the use of a dynamometric wrench. A nut to be placed under the screw should be firmly pressed against the element to be fitted. Wedge anchors RAWL R-DCA should be used in accordance with the technical design, developed for a specific building structure, including valid standards and regulations, provisions of this Technical Approval and instructions for use drawn up by the Manufacturer. 3. TECHNICAL PROPERTIES. REQUIREMENTS 3.1 Materials Anchor body and screws should be made of common, carbon steel, classified in the class of mechanical properties as at least 5.8 according to PN-EN ISO 898-1:2009 and electro-zinc plated minimum coating thickness 5µm, or stainless steel, which is corrosion resistant and of mechanical properties specified for type A4 and class 50 according to PN-EN ISO :2009. Washers should be made of common, carbon steel, classified in the class of mechanical properties as at least 5 according to PN-EN ISO 898-1:2009 and electro-zinc plated minimum coating thickness 5µm, or corrosion resistant steel (stainless steel) with a chemical composition and of mechanical properties specified for type A4 according to PN-EN ISO :2009. The zinc coating should meet the requirements of standard PN-EN ISO 4042:2001 or PN- EN 10152:2005.

5 AT /2008 page 5/ Wedge anchors Anchor body and dimensions. The anchor body and dimensions of wedge anchors KOELNER RAWL R-DCA should correspond to Figure Parameters of placement and installation. Parameters of placement and installation of anchors referred to in the Approval are specified in Table 1. Wedge anchors RAWL R-DCA / R-DCA-A4 installation data Table 1 Item Parameters Size (dxl), mm M6x25 M8x30 M10x40 M12x50 M16x65 M20x80 1 Hole diameter d 0, mm External diameter of anchor D, mm Minimum hole depth h 0, mm Effective embedment depth h ef,mm Torque T inst, Nm 4,5 11,0 22,0 38,0 95,0 185,0 5 Minimum substrate thickness h min, mm Edge distance c cr,n, mm 1,5 x h ef 7 Spacing s cr,n, mm 3,0 x h ef 8 Spacing in corner s cr, cp, mm 2,0 x h ef 9 Corner distance c cr, cp, mm 3,0 x h ef Characteristic and design resistance. Characteristic and design resistance of wedge anchors referred to in this Approval are specified in Tables 2 3. Pull-out resistance in non-cracked concrete C20/25 of wedge anchor RAWL R-DCA Product code Characteristic resistance kn Table 2 Design resistance kn R-DCA M6x25 + threaded bolt 5.8 6,46 2,56 R-DCA M8x30 + threaded bolt ,30 5,30 R-DCA M10x40 + threaded bolt ,85 8,30 R-DCA M12x50 + threaded bolt ,60 11,75 R-DCA M16x65 + threaded bolt ,80 17,35 R-DCA M20x80 + threaded bolt ,70 23,70

6 AT /2008 page 6/13 Table 2 cont. R-DCA-A4 M6x25 + threaded bolt 5.8 6,46 2,56 R-DCA-A4 M8x30 + threaded bolt ,15 4,80 R-DCA-A4 M10x40 + threaded bolt ,05 7,15 R-DCA-A4 M12x50 + threaded bolt ,00 9,50 R-DCA-A4 M16x65 + threaded bolt ,70 17,75 R-DCA-A4 M20x80 + threaded bolt ,70 23,70 Pull-out resistance in cracked concrete C20/25 of wedge anchor RAWL R-DCA Table 3 Product code Characteristic resistance kn Design resistance kn R-RDCA / DCA-A4 M6x25 + threaded bolt 5.8 3,17 1,25 R-RDCA / DCA-A4 M8x30 + threaded bolt 5.8 6,05 2,40 R-RDCA / DCA-A4 M10x40 + threaded bolt 5.8 8,20 3,25 R-RDCA / DCA-A4 M12x50 + threaded bolt ,00 3,95 R-RDCA / DCA-A4 M16x65 + threaded bolt ,65 6,20 R-RDCA / DCA-A4 M20x80 + threaded bolt ,40 8,50 4. PACKAGING, STORAGE AND TRANSPORT The products covered by the Approval should be delivered, stored and transported in a manner which ensures the consistency of their anchor body and technical properties. Each delivery should be accompanied by information containing at least the following: - name, address and possibly the Manufacturer's brand, - designation of the product (product name and trademark) - number of ITB Technical Approval AT /2011

7 AT /2008 page 7/13 - name of a certification body, which was involved in conformity assessment, - number and date of issuance of the national declaration of conformity - construction marking. The method of marking the products with the construction sign should be compatible with the Regulation of the Minister of Infrastructure dated 11 August 2004 on ways of declaring the conformity of building products and the method of marking them with a construction sign (Polish Journal of Laws Dz. U. No. 198/2004, item 2041). 5. CONFORMITY ASSESSMENT 5.1. General conditions. Pursuant to Article 4, Article 5, par. 1, subpar.3 and Article 8 par. 1 of the Act of 16 April 2004 on construction products (Polish Journal of Laws Dz. U. No. 92/2004, item 881), the products referred to in this Technical Approval may be marketed and used in construction works to the extent of their utility properties and purpose if the manufacturer has made an assessment of conformity, issued a national declaration of conformity with the ITB Technical Approval AT /2011 and marked the products with a construction sign in accordance with applicable regulations. Pursuant to the Regulation of the Minister of Infrastructure dated 11 August 2004 on ways of declaring the conformity of building products and the method of marking them with a construction sign (Polish Journal of Laws Dz. U. No. 198/2004, item. 2041), assessment of conformity of the product referred to in the Approval shall be made by the Manufacturer (or its authorized representative), with a registered office on the Polish territory, using system 1. In the case of conformity assessment system 1, the Manufacturer may issue a national declaration of conformity with a Technical Approval AT /2011, if an accredited certification body has issued a certificate of conformity of the product based on: a) tasks of the manufacturer: - factory production control, - testing of finished products (samples) taken at the factory, conducted by the Manufacturer in accordance with the established test schedule, b) tasks of a certification body: - initial type-testing, - initial inspection of factory and factory production control,

8 AT /2008 page 8/13 - continuous supervision, assessment and approval of factory production control Initial type-testing The initial type testing is an examination confirming the required technical and utility properties, performed before launching the product on the market. The initial type testing includes: - the design resistance of connections made using the anchors covered by the Approval - the thickness of zinc coating. The tests, which formed the basis in the approval procedure to determine the technical and use properties of products are the initial type-testing to assess conformity Factory production control The factory production control includes: 1. specification and testing of components and materials, 2. control and testing in the manufacturing process and testing of finished products (see 5.4), conducted by the manufacturer in accordance with the established test schedule and the rules and procedures specified in the documentation of factory production control, adjusted to the technologies of production and aimed at obtaining products of desired properties. The production control should ensure that the product complies with the ITB Technical Approval AT /2011. The results of the production control should be systematically recorded. The records should certify that the product meets the criteria for assessing conformity. Each batch of products should be clearly identified in the test registry and trade documents Tests of finished products Testing program. Testing program includes: - current testing, - additional testing Current testing. Current testing includes checking: - anchor body and dimensions, - zinc coating thickness (concern elements made with electro-zinc plated steel).

9 AT /2008 page 9/ Additional testing. Additional testing includes checking of connection characteristic resistance made with wedge anchors covered by Approval Frequency of tests Tests of finished products should be carried out in accordance with the established test schedule, but not less frequently than for every batch of products. The size of the batch should be specified in the documentation of factory production control Test methods descriptions. Tests should be made with the methods specified in par. 3 and according to the following Test of the anchor body and dimensions. Dimensions should be checked with the measuring instruments, which ensure a measurement accuracy of 0.01 mm. The anchor body should be checked by comparison with the technical drawing Test of zinc coating thickness. The zinc coating thickness should be checked according to PN-EN ISO 3497: Test of characteristic resistance of wedge anchor. The above mentioned characteristic resistance of wedge anchors should be tested according to ETAG 001, on anchors placed in the substrate made of concrete grade C20/25 according to PN-EN 206-1:2003. Force measurements should be taken using the device with a range adjusted to the expected value of ultimate force, which allows a continuous and slow increase of force until the failure. Measurement error should not exceed 3% of the entire measuring range Taking samples for testing The test samples should be taken at random, according to PN-83/N Evaluation of test results Manufactured products should be considered compliant with the requirements of this Technical Approval of ITB if all test results are positive.

10 AT /2008 page 10/13 6. FORMAL AND LEGAL BASES 6.1. ITB Technical Approval AT /2011 is an alteration of ITB Technical Approval AT / Technical Approval AT /2011 is a document confirming the suitability of KOELNER RAWL R-DCA wedge anchors in construction, to the extent resulting from the provisions of Approval. Pursuant to Article 4, Article 5, par. 1, subpar.3 and Article 8 par. 1 of the Act of 16 April 2004 on construction products (Polish Journal of Laws Dz. U. No. 92/2004, item 881), the products referred to in this Technical Approval may be marketed and used in construction works to the extent of their utility properties and purpose if the manufacturer has made an assessment of conformity, issued a national declaration of conformity with the ITB Technical Approval AT /2011 and marked the products with a construction sign in accordance with applicable regulations ITB Technical Approval does not infringe the rights resulting from the provisions on the protection of industrial property, in particular, notice of the Chairman of the Lower Chamber of the Republic of Poland dated 13 June 2003 on the uniform text of the Act dated 30 June 2000 Industrial Property Law (Polish Journal of Laws Dz. U. No. 119, item 1117). All those who make use of this Technical Approval of ITB are obliged to ensure these rights The ITB, while issuing Technical Approval, bears no liability for any infringement of exclusive and acquired rights Technical Approval of ITB does not release the Manufacturer from liability for the proper quality of a product, and building contractors from liability for its proper application The published prospectuses, notices and other documents related to the marketing and use in construction of steel wedge anchors KOELNER RAWL R-DCA should include a piece of information about ITB Technical Approval AT /211, which was granted to these products.

11 AT /2008 page 11/13 7 VALIDITY DATE ITB Technical Approval AT /2011 is valid until 17 March The validity period of ITB Technical Approval may be renewed for further periods, if the applicant or its successor submits the relevant request to the Building Research Institute no later than 3 months before the expiry date of this document. E N D ADDITIONAL INFORMATION Standards and related documents PN EN :2005 Stainless steels. Part 1: List of stainless steels PN-EN 10152:2005 Flat steel products, cold-formed, electro-zinc galvanised for cold forming - Technical delivery conditions PN-EN ISO 898-1:2001 Mechanical properties of connected parts made of carbon and alloy steel. Bolts, screws and studs PN-EN ISO 3497:2004 Metal coatings. Measurements of coating thickness. X-ray spectrometric methods PN-EN ISO :2009 Mechanical properties of connected parts made of stainless steel, resistant to corrosion. Part 1: Bolts, screws and studs PN-EN ISO :2009 Mechanical properties of connected parts made of stainless steel, resistant to corrosion. Part 2: Nuts PN-EN ISO 4042:2001 Connected parts. Electrolytic coatings PN-EN ISO :2001 Paints and varnishes, Protection against corrosion of steel structures with the use of protective paint systems. Part 2: Classification of environments

12 AT /2008 page 12/13 PN-83/N Statistical quality control. Random selection of sample products ETAG 001 ETAG 001 Attachement C Metal anchors for use in concrete Metal anchors for use in concrete Anchor design methods Reports and accounts on tests, evaluation, classification 1. LOK /11/R13OSKU. Report on test carried out on wedge anchor with an internal thread KOELNER RAWL R-DCA. Silesian Branch of the Building Research Institute, Katowice. 2. LOK-953/A/07. Report on tests carried out on anchor sleeves with an internal thread type RAWL R-DCA and RAWL R-DCA-A4. Silesian Branch of the Building Research Institute, Katowice. 3. The technical evaluation to the Test Report No. LOK-953/A/07. Silesian Branch of the Building Research Institute, Katowice. FIGURES Figure 1. Wedge anchor with internal thread KOELNER RAWL R-DCA... 12

13 AT /2008 page 13/13 (Symbols according to table 1) Figure 1. KOELNER RAWL R-DCA wedge anchor with internal thread