Analysis of Classic Arches: Three Hinged, Two Hinged, and Hingeless, of Steel, Masonry, and Reinforced Concrete

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Engineering news publishing Company, 1907 - Arches - 316 pages
 

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Page 84 - Me-moires et Comptes Rendus des Travaux de la Socie-te des Ingenieurs Civils,
Page 219 - In this connection, however, the fact should not be lost sight of that...
Page 159 - For square arches the concrete shall be laid in transverse sections of the full width of the arch, between timber forms normal to the center line of the arch, the length of sections being such that the center section, or a pair of intermediate or end sections, shall constitute a day's work.
Page 79 - Fig. 21, and the portion of the truss To the left of this section is removed.
Page 242 - ... the neutral axis passes through the center of gravity of the section when unit stresses do not exceed the elastic limit of the material.
Page 157 - LiU which is the ordinate of the point of intersection of the line of pressure on the panel line I.
Page 203 - Also the bending moment is equal to the moment of resistance of the concrete in compression and the reinforcement in tension.
Page 242 - M = kfv*dA = kl, (3) r where 7 is the moment of inertia of the section with respect to the neutral axis.
Page v - This modern and most exact method, however, is not free from criticism. While the fundamental principles of the theory are almost axiomatic, their final application to the solution of stresses is extremely complicated, so much so that few engineers can be credited with the patience and earnest endurance to master either the method or the solution of a problem to which it is applied.
Page 264 - F = (ZF) cos a - (Ztf) sin a (14) vhere a is the angle which the tangent to the arch axis makes with the horizontal. Having given the internal forces acting on any section, the fiber stresses can be determined...

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