rt of which is in astate of compression, the pressure arising from the weight otthe arch and its superincumbent load being transmitted tothe abutments on which it rests in a curved line called thecurve of equilibrium, passing through the thickness of thearch. 63. The wedge-shaped stones of which a… … give way by the sliding of the voussoirs on each other ; butin practice the friction of the material and the adhesion otthe mortar is sufficient to prevent this, and failure takesplace in the case of an overloaded arch by the voussoirsturning on their edges. 64. The curve of equilibrium will vary…
Architecture · Building
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