Variety of material thicknesses

Size: px

Start display at page:

Download "Variety of material thicknesses"

Vernon Singleton
5 years ago
Views:

1 Secondary Framing 1

2 Secondary Framing Materials 2

3 Secondary Framing Variety of material thicknesses Thickness range from 17 gage to 11 gage Acrylic-coated coated galvanized secondary ( VP Tech Perspective#38) (Gray and Patrician Bronze also available. Individual members are designed for specific loads 3

4 Secondary Framing SEDs used shown on Erection Drawings 4

5 Secondary Shapes Cee Zee Eave Purlin 5

6 Common Secondary Depths 6

7 From Details, August 2008 issue 7

8 Purlins and Girts 8

9 Secondary Framing Basic Structural Shapes ZEEs and CEEs - 7, 8 1/2, 10, & 11 1/2 9

10 Secondary Framing Roof 10

11 Erecting Bay 11

12 Roof Secondary Framing Eave Members 7, 8 1/2, 10, and 11 ½ Depths Always simple span because of shape 12

13 Roof Secondary Framing Continuous Purlins Lap adjacent purlins 13

14 Roof Secondary Framing 14

15 Roof Secondary Framing 15

16 Roof Secondary Framing Simple Span Purlins Not a Structural Lap 16

17 Roof Secondary Framing Default Purlin spacings are 5-0 Other spacings may be used Other spacings may be used C L 17

18 Roof Secondary Framing Flange Braces Bolts to purlin and frame Prevents frame from twisting Frame benefits, not the purlin 18

19 New Channel Purlin Brace Consolidated G30 purlin brace channel will be used for Erection and Purlin Bracing. Sag angles will be discontinued. Used as discrete bracing, for untested panels, or fixed clip locations. Not allowed with 7 purlins Secondary 19

20 20 Secondary

21 21 Secondary

22 Roof Secondary Framing Larger Bays ( 30 feet + ) 23

23 Roof Secondary Larger Bays 11 1/2 Purlins Features: Spans in excess of 30 May be used with Panel Rib roof system Cost may be greater than Transbay 24

24 Purlins at Hip/Valley 25

25 Truss Purlin 36

26 Truss Purlin Secondary A new long span solution utilizing a truss purlin will be available. VP Wide Bay will still be offered, for a limited time. End seat depth of 8½ with an optional 2½ Two truss purlin depths available 20½ and 29½ (default being 29½ ) Bottom chord building bracing system only Rake beam and primary frames will be designed with depths to accommodate bottom chord bracing. Available from BlueScope Buildings Manufacturing in Monterrey, Mexico or Laurinburg, NC. 37

27 Secondary Truss Purlin VPCommand Screen 38

28 Trussed Purlin Secondary 39

29 Bar Joist 40

30 Flange Brace at Bar Joist 41

31 Wall Secondary / Larger Bays Soldier Column A Soldier Column is used to reduce the span of the sidewall girts with larger bays ( ). 42

32 Wall Secondary Soldier Column 43

33 Soldier Column with Purlins 44

34 Soldier Column with Bar Joist 45

35 Soldier Column with WBTP 46

36 Secondary Framing Wall 47

37 Wall Secondary Framing B L Eave Height 8 1/2 Sidewall Outset Girt Condition 1-0 Building Width 48

38 Secondary Girt Bracing Straps For discrete bracing of wall secondary in long bays or when wall material is not furnished by VP girt strapping will be used

39 Wall Secondary Framing Continuous Span Outset Girts Girts lap at frame connections Stronger, may decrease cost 50

40 Secondary Simple Span Outset Girts Do not lap adjacent girts 51

41 Secondary Simple Span Outset Girts- Nested Note: Wall fastener pattern will be staggered Do not lap adjacent girts 52

42 53

43 AB Layout at Corner (Outset/Outset 7 & 8 ½ ) 54

44 Wall Secondary Framing Simple Span Inset Girts 1 5/8 standard Inset (shown) Offset dimension may vary Inset girts must be simple span 8 ½ and 10 are notched; 7 and 11 are stopped short of flange 55

45 Secondary 7 & 11 ½ Inset

46 Inset Girts 57

47 Wall Secondary Framing B L Eave Height 1 5/8 Sidewall Inset Girt Condition 5 1/8 Building Width 58

48 59

49 Wall Secondary Framing B L Eave Height Sidewall Flush Girt Condition 4 Building Width 60

50 Wall Secondary Framing Secondary offset is the distance from outside flange of girt (Building Line) to the outside flange of the Primary Framing Member 61

51 Extended Secondary Clips 62

52 Wall Secondary Framing 1-0 B L C L Purlin 7 and 8 ½ Girts have 1 0 BL to CL 10 and 11 ½ Girts have 1 3 BL to CL 8 1/2 Outset Endwall 1-0 Building Length 63

53 Outset Endwall 1-0 location 1-0 B L C L Purlin 8 1/2 Outset Endwall 1-0 Building Length 64

54 Wall Secondary Framing B L 6 C L Purlin Inset Endwall 1 5/8 5 1/8 Building Length 65

55 AB Layout at Endpost (Inset) 66

56 Wall Secondary Framing B L C L 6 Purlin Flush Endwall 4 Building Length 67

57 Wall Secondary Framing Panel Rib & Vee Rib Girt Spacings Standard Spacing Varies Zee 68

58 Typical Girt Spacings 69

59 Wall Secondary Framing Panel Rib & Vee Rib Girt Spacings Additional girt may be required due to wind load. Varies

60 Additional Girt Corner Zone Field Edge Zone 71

61 Corner Zone - Additional Secondary 72

62 Secondary Mark Numbers 74

63 Framed Openings 12 minimum from CL of column or endpost to inside face of framed opening 75

64 Framed Openings 12 minimum between framed openings in the same bay 76

65 Framed Openings 24 minimum from header to eave 77

66 Framed Openings 28 1/2 clear on at least one side of a column for flange braces 78

67 Secondary Tips Continuous spanning members are usually most economical Panel Rib roof is not allowed on Wide Bay Trussed Purlins or Bar Joists 79

68 Secondary Tips Endbay dimension is most effective at approx. 85% of interior bay Verify if flange bracing allowed with liner panel 80

69 Secondary Tips bays compare wide bay trussed purlins (WBTP) and 11 ½ purlins bays compare WBTP and bar joists 60 bays use bar joists Freight is a consideration with WBTP 81

70 82

Lesson 7: Roof Height Change buildings; changing bracing; WideBay Roof Secondary; soldier columns; snow drift.

127 Lesson 7: Roof Height Change buildings; changing bracing; WideBay Roof Secondary; soldier columns; snow drift. Input an Endwall-to Endwall Roof Height Change (Low Building for Office, High Building