Aluminium Design and Construction - Chapter 1 doc

... symbols and conversion factors 1 About aluminium 1. 1 General description 1. 1 .1 The element 1. 1.2 The name 1. 1.3 The industrial metal 1. 1.4 Alloys 1. 1.5 Castings 1. 1.6 Supposed health risk 1. 1.7 Supposed ... arising 11 .1. 7 Joints in tension, fastener resistance 11 .1. 8 Interaction of shear and tension 11 .1. 9 Comparisons 11 .1. 10 Joints made with proprietary...

Ngày tải lên: 22/07/2014, 18:22

... heat-treated material it is given by: p f =k z1 p a (11 .18 a) Figure 11 .9 Variation of a with (equation (11 .16 )). Copyright 19 99 by Taylor & Francis Group. All Rights Reserved. Table 11 .7 ... expressions in Sections 11 .1. 4 and 11 .1. 7, differ from those in BS. 811 8. The reason for not following the British Standard is that the stress values it employs seem inconsistent,...

Ngày tải lên: 22/07/2014, 18:22

... general expression: (9 .16 ) Figure 9 .14 Four standardized profiles (BS. 11 61) . Table 9.3 Properties of certain standardized shapes Notes. 1. The sections are standardized in BS 11 61. 2. For section ... X. 9.6 .11 Torsional buckling of certain standardized sections Figure 9 .14 shows four section shapes that are standardized in Britain (BS .11 61) , having been proposed in 19 52 by...

Ngày tải lên: 22/07/2014, 18:22

... [26]. Figure 8 .1 Comparison of the curves relating bending moment M and curvature 1/ R for steel (1) and aluminium (2) beams of the same section and yield/proof stress. Copyright 19 99 by Taylor ... example. Comparison between BS 811 8 and the more rigorous treatment of Section 8.2.9, covering the fully-compact case (FC) and the semi- compact case (SC). Copyright 19 99 by Tay...

Ngày tải lên: 22/07/2014, 18:22

... 0.25. Copyright 19 99 by Taylor & Francis Group. All Rights Reserved. provided, to which the equation is (valid for a > r): 0 .1 < r/b < 1 K =1. 2 {1+ ( 1- e -0 .7a/r ) ( 1- r/b) 2 } r/b > 1 K =1. 2 (12 .2) Other ... Tables 12 .3 and 12 .4 specifically refer to arc- welded joints made by MIG or TIG. They will only be valid if the fabrication meets a specified stan...

Ngày tải lên: 22/07/2014, 18:22

... becomes: (10 .23b) Table 10 .3 Shear-centre position and warping factor for certain conventional sections Notes. 1. Refer to Figure 10 .12 for section details. 2. For sections C1 and Z1 symbol f=Dt/BT. 3. ... (10 .11 ) Figure 10 .5 Elastic bending, principal axes. Copyright 19 99 by Taylor & Francis Group. All Rights Reserved. Figure 10 .10 shows a selection of junction detai...

Ngày tải lên: 22/07/2014, 18:22

... values: Case T K=0. 41 for 1 > ␺ > 0.5 =0.50–0 .18 ␺ for ␺ < 0.5 (7 .14 a) Case R K=0. 41+ 1.3( 1- ␺ ) 4 (7 .14 b) Figure 7 .12 Outstands under strain-gradient. Cases T and R. Copyright 19 99 by Taylor ... method, the two block-widths are found as follows (Figure 7 .11 ). (a) Inclined flange element (1& gt; ␺ >0) b e1 = 1 + t (7 .11 a) b e2 = (1. 4-0 .4 ␺ )b e1 (...

Ngày tải lên: 22/07/2014, 18:22

... thus: w 1 =lesser of aw and 8 mm (6.5) where is an oversize factor. The factor should typically lie in the range 1. 0 1. 1 for butt welds and 1. 0 1. 2 for fillets, depending on the standard of deposit ... non-heat-treatable material there is negligible dip at A, and k z3 =k z1 . 6.4.2 Heat-treated material Table 6 .1 lists proposed k z -values for MIG-welded joints in 6xxx and 7...

Ngày tải lên: 22/07/2014, 18:22

... Hong and others [15 17 ]. The curves are compared in Figure 5.7 on a non-dimensional plot. Actual design curves of p b against appear in Chapters 8 and 9, covering a range of values of p 1. Table ... tensile properties for the material and nominal dimensions for the cross-section. Suggested rules are given in Chapters 8, 9 and 11 , based largely on BS. 811 8. Alternatively the...

Ngày tải lên: 22/07/2014, 18:22

... restricted. The 1xxx and 3xxx-series materials are fairly readily available in the temper-rolled conditions right up to fully-hard (H12 to H18). Some are even offered as ‘super-hard’ sheet in an H19 temper, ... 19 99 by Taylor & Francis Group. All Rights Reserved. CHAPTER 4 Aluminium alloys and their properties 4 .1 NUMBERING SYSTEM FOR WROUGHT ALLOYS 4 .1. 1 Basic system The A...

Ngày tải lên: 22/07/2014, 18:22