Viollet-le-Duc, Eugène-Emmanuel, 1814-1879, Van Brunt, Henry, 1832-1903 · Boston : Ticknor and Co. · leaf 38
ofier resistance to the slipping of the underlayer of clay V. When the ground consists of pure clay, that is of very fatslippery matter, it will be well to drive in with a beetle (allthe above described precautions being taken) vmder the walls,and before laying the concrete or beginning the… … Fig. 7.—Eomnn method of Building agaiust a B.-mk. a considerable width of footing to the lower part of the founda-tion-walls. The Romans adopted numerous precautions to render tlieunderground chambers perfectly dry and healthy. To obtam tliisresult they employed various methods. If a room was…
Architecture
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