Allowable Pressures on Deep Foundations (Classic Reprint) - Tapa dura

Sinopsis

Excerpt from Allowable Pressures on Deep Foundations

The piers Of the Cincinnati Suspension Bridge are founded on a bed of coarse gravel 12 feet below low water, although solid limestone was only 12 feet deeper; if the friction on the sides of the pier be disregarded, the maximum pressure on the gravel is 4 tons per square foot. The piers Of the Brooklyn Suspension Bridge are founded 44 feet below the bed of the river upon a layer of sand 2 feet thick resting upon bed-rock the maximum pressure is about 55 tons pea° square foot.

At Chicago sand and gravel about 15 feet below the surface are successfully loaded with 2 to 2g tons per square foot. At Berlin the safe load for sandy soil is generally taken at 2 to 2§ tons per square foot. The Washington Monument, Washington, D.C., rests upon a bed of very fine sand 2 feet thick underlying a bed of gravel and boulders the ordinary pressure on certain parts Of the founds tion is not far from 11 tons per square foot, which the wind may increase to nearly 14 tons per square foot.

About the Publisher

Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com

This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

"Sinopsis" puede pertenecer a otra edición de este libro.