A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 246
ly mixed and laid. 132. Kxpansioii and Contraction.—When concretesets in air it contracts slightly, but often sufficiently to pro-duce cracks in the walls and floors. To prevent this, it iscustomary to employ some means to allow for expansionand contraction. The usual method is to make false… … Fig. 67. of concrete, is shown in plan at d, in (/?), which is a cross-section on line xy in (r); a front view of the jointer isshown in {a). The plate is set upright, in line with one ofthe vertical strips which form the false joints, and the con-crete is laid on both sides of it; when the latter…
Architecture · Building
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