Merriman, Mansfield, 1848-1925, Jacoby, Henry Sylvester, b. 1857 · New York Wiley · leaf 233
eceding formula (2) that the horizontal displacement of thefree end is 2PV^/is E^P. Art. yy. Parabolic Arch Rib. Let the cur^e in Fig. 118 represent a solid arch rib of para-bolic form, the vertex of the parabola being at the crown. Theequation of the parabola, referred to the hinge a as an origin,… … to P are l\ = P{i-k) and K = Pk.the value of the horizontal thrust H. It is required to find The deformation under the action of the exterior forces is duemainly to fiexural stresses. At any section on the left of P thebending moment is M= l\x — Hy, and at any section on theright of i it is Jf =…
Bridges · Roofs
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