Concrete bridges and culverts, for both railroads and highways (1909)
Tyrrell, H. G. (Henry Grattan), b. 1867 · Chicago The M.C. Clarke publishing co. [etc.] · leaf 57
avel and earththe intensity of this pressure per square foot orother unit may be taken at one-third of the weightof filling and live load above the extrados at thestrip under consideration. Then the product ofthis horizontal intensity and the area of the verticalprojection of that portion of the… … ri.AIX COXCRIlTI: arch bridges. 39 Proceed next to construct a force polygonby drawino; the various loadings to a eonveni(mlscale. As arches are generally synnnetrical aboutthe center and horizontal at that point, the crowntlirust for uniform loadings will likewise be hori-zontal. The pole in the…
Bridges, Concrete · Culverts
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