Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, Comstock · leaf 130
t orblock stone,* laid in cementmortar and carefully Ijonded, toprevent the stones from slidingon the bed-joints.Ap- The thickness of the wall atthe top should be not less than18 inches, and the thickness, a, just above each step should be from3^ to % of the height from the top of the wall to that… … Fig. Kctaining-Wall. Citncrallyproved Section. Or of Portland cement concrete with metal reinforcements. 104 BUILDING CONSTRUCTION. (Ch. Ill) answer for a heii^ht of tnil)anknient eciual to one-third the heightof the wall. The outer face of the wall is generally battered, or sloped out-ward, about…
Building · Carpentry · Masonry
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