Manual for railroad engineers and engineering students : containing the rules and tables needed for the location, construction, and equipment of railroads as built in the United States (1883)
Vose, George L. (George Leonard), 1831-1910 · Boston : Lee and Shepard · leaf 341
vered with a layer ofclay and stones. The caisson being braced internally, the bot-tom cleared, and tested with a drill, the masonry was put down. 3i6 MANUAL FOR RAILROAD ENGINEERS. At pier No. 3, where the rock was 30 feet below low water, andoverlaid by 22 feet of sand, and the water 17 feet… … Fig. 136. of freshly mixed beton around the interior edge, and a foundationof beton, 22 feet deep put in, upon which the pier was built. At pier No. 4 especial difficulties were encountered. A pierof masonry was to be built in position above water, and sunkthrough 40 feet of sand to the bed rock,…
Railroad engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
