A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 90
ing operations should be carefully per-formed. The underpinning should be done as quickly aspossible after the shores or needles are in place, so as not torequire their support for a longer time than necessary.The needles or shores, however, should not be removeduntil the cement in the new work has… … Fig. 58. down, the adjacent walls should be prevented from fallingby spreading braces or inclined shores. When there are 80 MASONRY. §7 buildings on each side of the lot on which the new buildingis to be erected, the walls of these structures may be sup-ported by spreading braces. 150. When the…
Architecture · Building
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