Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 188
atively thinbearing stratum, the low allowable bearing value, and the magni- .+ - w:m \rr^M - BLOCK STONE FOOTIMG UNDER COLUm Fi<r. 150. 153 146 STEEL CONSTRUCTION tude of the loads to be supported. To offset by successive layersof masonry would require too great a depth for the thin layer… … C/S<7. — ----- % ^ .... ^ —-^ 1 --^^ Ft ■-f_^_ ?i J... ^ .< I K i /A 1—|- ~\—f N^ ^- y/ — — 4 7./o - _ PLAN Fig. 151. In Boston the usual soil encountered is a stiff blue or yellowclay, 15 feet or more thick and underlaid with a boulder clay ofvarying depth, but generally of from 15 to 75…
Architecture · Building
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