Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 380
de, a wetter mixture of concrete can be used than if they aremade on the edge. The concrete usually consists of a mixture of 1part Portland Cement and 4 parts sand. The curing of these bricksis the same as that for concrete blocks. In making these bricks, anumber of wooden pallets are required, as… … Fig. 150. Ideal Concrete Block Muchine. 313 296 MASONRY AND REINFORCED CONCRETE the dirty sand can be easily obtained. If only a small quantity is tobe washed, it may be done with a hose. A trough should be builtabout 8 feet wide and 15 feet long, the bottom having a slope ofabout 19 inches in its…
Architecture · Building
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