Rudiments of the art of building : in five sections : general principles of construction, materials used in building, strength of materials, use of materials, working drawings, specifications and estimates (1871)
g wedges under the radiating struts, any part of these centres can be lowered at pleasure, and, from the position of the struts, there is no tendency to alteration in the curve from undue pressure on the haunches during the erection of tl:ie arch. (See Note B, p. 155.) 62. Centering on the same… … wedges, however, as in the centering for the Gloucester Bridge, the wedges were placed under the laggings them- selves, by which means the arch could be eased in the most gradual manner. 63. Where the circumstances of the case do not admit of piles or other supports being placed between the piers,…
Building · Building materials · Engineering
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