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US 5,288,175 AGranted
Segmental precast concrete underpinning pile and method
OwnerDavid W. Knightinventor
Life of this patent
Estimating the term…
Abstract
A continuously reinforced segmental precast concrete underpinning pile using a method of installation where a high strength strand aligns the precast segments during installation, provides a means for measurement of pile penetration depth, and continuously reinforces the pile when bonded or anchored upon completion.
Claims13
A process of installing segmented underpinning piles for supporting a structure upon the earth comprising the steps of:
- driving a first pile segment into unexcavated earth a desired distance from said structure, said first pile segment having an end of a strand fixedly received therein, said strand extending outwardly from an end of said first pile segment;
- sliding a second pile segment on said strand until said second pile segment contacts said end of said first pile segment;
- and
- driving said second pile segment another desired distance into the earth.
1 more element
Dependencies are inferred from the claim text.