A practical treatise on foundations, explaining fully the principles involved : with descriptions of all of the most recent structures, accompanied by numerous drawings ... (1893)
Patton, William Macfarland, 1845-1905 · New York : John Wiley · leaf 369
FOUNDATIONS FOR HIGH BUILDINGS. 345 foundations is enough to allow an additional story. There is also a saving in time. The cost of constructing the stone foundation is a little less than the steel, but the increase of rental space more than compensates for this. The steel beams also enable the… … columns by beams extending from the one to the other, thereby bringing into bearing a part of the foundation that could not be utilized for this purpose in masonry columns. The concrete used is of the best Portland cement and broken stone — 1 part cement, 2 sand, and 4 stone. The steel rails are 75…
Foundations
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
