Transactions of the Institute of British Architects of London (1835)
Royal Institute of British Architects · London · leaf 122
srs. Smith on Whinstone Constructions, &c. trados and the intrados; but when it is unequally balanced, the pressure is wholly upon a very small part of the section, as will appear by the follow- ing diagram. The pressure upon a a a a a a being too much for b, the arch rises at b, therefore the… … b will sink, and a a a a will rise, which will produce the same effect upon the materials of which the arch is constructed, the weight being driven to rest upon so small a part of the joints that these give way, and the arch falls. In both of these diagrams the abutments are supposed not to move,…
Architecture
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