Hoyt, Charles Hamilton, Burr, William H. (William Hubert), 1851-1934, United States. Bureau of Public Roads · Washington : U.S. Dept. of Agriculture, Office of Public Roads : G.P.O. · leaf 16
ng the 4-foot sectionof pipe in a small fire sufficient to generate steam from the moisturein the material, which, as it expands, forces the material out of thepipe. Great care should be exercised to have only sufficient fire togenerate the steam slowly, or otherwise the material may shootout of… … Fig. 1.—Use of logs in foundations. One of the best ways to test a foundation is with a wash-drilloutfit, consisting of a drill point to which is coupled 1-inch ironpipe in 4-foot lengths. Water is forced through this pipe by a double-acting force pump operated by one or two men. Tests have…
Bridges Design and construction · Culverts
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