Piling

Hydraulic and earth engineering – Foundation – Columnar structure

Reexamination Certificate

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Details

C405S231000, C405S232000, C405S251000, C052S169900, C052S749100, C052S749100

Reexamination Certificate

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07073980

ABSTRACT:
A pile comprising a tapered steel tube of convex polygonal cross-section driven into the ground and then filled with concrete provides high load carrying capacity even in cohesive soils.

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Pages 158 and 159 of “Foundation Construction” by A. Brinton Corson. Published 1956 by McGraw-Hill Co.
Three photographs of transmission towers in-public use.
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