The Structural Engineer > Archive > Volume 33 (1955) > Issues > Issue 3 > Some Economic Aspects of Single Storey Shed Design Written Discussion on the Paper by Mr. R. P. Hain
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Some Economic Aspects of Single Storey Shed Design Written Discussion on the Paper by Mr. R. P. Haines

MR. K. C. DAVEY (Associate-Member): On the basis of the graphs shown in Fig. 10, I have found it interesting to extract some figures and consider them further, to arrive at a relative cost relationship between them as opposed to the purely weight relationship. I append below in tabulated form comparative cost and weight figures for trusses of spans considered by the author at spacings varying between 12 ft. 6 in. and 20 ft. in increments of 2 ft. 6 in. The cost is expressed in the form of equivalent units and for this purpose I have assumed that the relationship between the prices of individual components of the building is as shown below.