Modern buildings : their planning, construction and equipment (1905)
Middleton, G. A. T. (George Alexander Thomas) · London : Caxton Publishing Company, Limited · leaf 96
nconvenience are engaged. to the workmen in the trenches. The strength of the timbering used for this purpose Excavations in Loose Soil. — Should the looseness necessarily depends upon the nature of the soil, the of the soil necessitate supports being fixed at closer depth of the excavations, and… … that the poling boards are supported by long horizontal I members about 6 by 4 inches, called Walings or Waling Pieces , which in turn are supported by struts at intervals Fig. 74. of 6 feet. case short deal and batten “ends,” varying from 1 by The method of inserting the timbering shown in 4!…
Building · Architecture
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