Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 173
s, while in rock-face work itis seldom made less than \ of an inch. One-fourth of an inch, how-ever, is all that should be allowed in first-class work. The joints should also radiate from the centre from which theintrados is struck, or, in the case of an elliptical arch, they should beat right… … Fig. 101. The most common stone arch is that shown in Fig. 101, the archring being of equal depth and the voussoirs all of the same size, androck-face, with pitched joints. Occasionally the voussoirs are cutwith a narrow margin draft, as shown at B. When the springingline of an arch is below the…
Building
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