Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 192
water, the air-locks may be removed, and then the com-pletion of the filling of the chamber and of the central shaft is merelyopen-air work. RETAINING WALLS 223. A retaining wall is a wall built to sustain the pressure of avertical bank of earth. The stability of the wall is a comparativelysimple… … Fig. 64. Combination of Pneumatic Cais-son and Open-Well Methods. 157 146 MASONRY AND REINFORCED CONCRETE Unfortunately, earthy material is very variable in its action in theserespects, depending on its condition. It is not only true that differentgrades of earthy material act quite differently in…
Architecture · Building
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