Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 432
, but an inequality of settlement. In good sand or gravel, the load on foundations per square foot is usuallyfrom three to five tons. Many soils are very compressible, not supporting oneton per square foot; if the structure is important, the bearing resistance of thestrata should be tested by…
Mechanical drawing
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