San Francisco : Architect and Engineer, Inc · leaf 433
. Possibly a betteridea of what 20,000 tons saving in dead weightof the bridge means, may be had from consider-ation of the fact that this weight is equivalent ^ 55 ► to from 500 to 600 gondola cars fully loaded withballast. The design of this slab required thatGravelite Concrete must develop a… … CLOSE-UP, SHOWING VIBRATING SCREEN INOPERATION AND STEEL REINFORCEMENT Crete, six inches in diameter, will support a loadof more than forty tons before failing. This new type of concrete may, because of itsunusual properties, have considerable effect onfuture home building and other construction,…
Architecture · Building
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