Polymer grouting method for constructing multi-wing pile
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United States of America Patent
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Issued Date -
Oct 23, 2014
app pub date -
Jan 19, 2014
filing date -
Apr 18, 2013
priority date (Note) -
Abandoned
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Abstract
A polymer grouting method for constructing multi-wing pile, includes steps of: (1) arranging the positions of piles; (2) producing multi-wing drilling tool and locating holes; (3) installing grouting pipes; (4) polymer lifting grouting; (5) forming polymer multi-wing piles. According to the geologic characteristics, the three-wing drilling tool or the four-wing drilling tool are produced through pressing the drilling tool into each location of pile by a static pressure equipment to form the multi-wing holes, and injecting two-component expansive polymer materials to the holes, wherein the polymers expand and solidify after reacting for filling the holes and the gaps in the soil of slope to be fully integrated with the surrounding soil and form the polymer multi-wing piles.
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