File:Cement houses and how to build them. (1908) (14802923693).jpg

Identifier: CementHousesAndHowToBuildThem (find matches)
Title: Cement houses and how to build them.
Year: 1908 (1900s)
Authors: William A. Radford
Subjects: house plans -- catalogs domestic architecture cement houses concrete houses
Publisher: Radford Architectural Company
Contributing Library: MBJ collection

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m. The reinforce-ment is % inch wires, 3 inches on centerslongitudinally, with approximately 1-8 inchwires, 12 inches on centers around the pile.A hole through the pile is made 3 1-2 inchesin diameter at the top and 2 inches at the The action of the water is sufficient to diga hole and carry the loosened sand andearth up the corrugations on the exteriorof the pile which act as an exhaust for thejet. The weight of the hammer pushesthe pile down into the hole as fast as thewater makes room for it. When the pileis nearly in place the hammer and cushioncap are hoisted up, the jet is removed, thecushion cap is again lowered over the headof the pile and the hammer forces the piledown till it refuses to go further. On thetop of the piles a foundation of concreteis laid, making practically a solid founda-tion of concrete down to bed rock or to hardpan, as the case may be. Another method is called the pile coreplan. It consists of a collapsible steel pilecore, in shape something like a cone. A
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Fig. 20—Section of footing for the foundation of a con-crete wall for a residence. bottom. This hole is made tapering so thatmore concrete may be provided for the bot-tom of the pile and so that the plug whichforms it may be withdrawn. This hole through the pile is an import-ant factor in the driving of it. A jet ofwater with tremendous pressure extendsthrough the entire length of the pile andprotrudes three inches below the bottom. Fig. 4—The form shown here is for a foundation wall. It will be noticed that the form is braced at frequent intervals. metal shell is provided into which it fitsclosely. The method of sending the coredown into the ground is the same as fordriving wood piles. The force is exertedon the shell, sending it down. When thedesired depth is reached the core is col-lapsed and withdrawn, leaving the shellin the ground. Then the concrete filling isplaced, the shell acting as a form. PART X. Steps and Stairs. These are of two classes, those of themonolithic form (

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