Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 179
crete on which a unit-stress of 500 pounds was allowed. Thisutilizes the bearing strength of the external shell, and enables theconcrete filling to be loaded to the maximum permitted by the NewYork Building Laws. The tubes and bars have an even bearing onhard bed-rock, to which the former were sunk… … Alliqator Point Drivinq FormOperation Finished Pile B Pig. 58. Standard Simplex Concrete Piles. 146 MASONRY AND REINFORCED CONCRETE 135 driven. The work was done with care, and a direct contact wassecured between them and the finished lower surfaces of the cast-ironcaps, without the intervention of…
Architecture · Building
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