mayall be perfectly level. It must also be borne in mind that allwork will settle, more or less, according to the perfection ofthe joints, and therefore in these cases it is best to bring upthe foundations to a uniform level, with large blocks of stone,or with concrete, before commencing the… … -irtllliliiilijrailffiiMiiiiiiu. 3. Many soils form excellent foundations when kept fromthe weather, which are worthless when this cannot be effected.Thus blue shale, which is often so hard when the ground isfirst opened as to require blasting with gunpowder, will, aftera few days exposure, slake…
Architecture · Building
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