Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 502
l, we may adopt the approxi-mation that the moment of inertia increases as the cube of the depth.When the variation is greater, the inaccuracy will not permit the util-ization of the simplified forms which this approximation allows. 427. Value of n. Still another simplification may be made, onthe… … Fig. 229. Arch Cross-Section. 425 406 MASONRY AND REINFORCED CONCRETE ds~-dx (see Fig. 230); ds is always greater than dx, and n is a ratiovarying from one upward. Then, on the assumption that: we may compute a series of vakies for h in terms of the height at the center h^. which will correspond to…
Architecture · Building
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