Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 177
teel shell. Thecore and shell are driven to therequired depth by means of apile-driver. The core is so con-structed that when the driving .is finished, it is collapsed andwithdrawn, leaving the shell inthe ground, which acts as amiould for the concrete. Whenthe core is withdrawn, the shellis filled… … 2Jet Pip 1 Hor. 5ection. A-B Wooden Bufferx Fig. 56. Cushion Head for Driving Piles. it is desirable, the pile can beThe sheet steel used for these piles 144 1 MASONRY AND REINFORCED CONCRETE 133 ~7W mmm WMM m is usually No. 20 gauge. Wlien it is desirable to reinforce these piles,the bars are…
Architecture · Building
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