"Water ballast" Quotes from Famous Books
 ... man not to put to some purpose a journey of 15,000 or 16,000 leagues across all the oceans of the globe. His ship was to go without cargo, undoubtedly, but it was easy to get her down to her right trim by means of water ballast, and even to sink her to her deck, ...
— Godfrey Morgan - A Californian Mystery • Jules Verne
... always carried a very large net weight, usually about 870 tons. The concrete in the walls, which was added as the caisson was being sunk, was kept at about the elevation of the ground. There was generally a depth of from 5 to 20 ft. of water ballast on top of the roof of the working chamber. The air pressure in the working chamber was usually much less than the hydrostatic head outside the caisson. For example, the average air pressure in the south caisson during January, 1906, was 16-1/2 ...
— Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 • James H. Brace, Francis Mason and S. H. Woodard |
