Excerpt from Foundations of Structures In foundation work the engineer must use rocks and soil as structural materials. He realizes that the planning of'the superstructure should be based upon the characteristics of the materials of which it is to be built, and he may select and use the materials that will best serve his purpose. On the other hand, in planning the substructure, he must use whatever soils are already there, or he must devise ways to improve the situation in the interests of safety and suitable economy. 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.

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