Deformation-compliant rigid inclusions with embedded structural reinforcements
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United States of America Patent
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Oct 19, 2021
Grant Date -
Sep 24, 2020
app pub date -
Mar 20, 2020
filing date -
Mar 22, 2019
priority date (Note) -
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Abstract
Soil inclusions (30) comprising an elongated, cured cementitious columnar body (72) are located within the soil (32) and include a tubular perforate structural reinforcement (56a, 56b) embedded within the body (72), with portions of the body exuded through the perforations (57) of the structural reinforcement (56a, 56b). The inclusions (30) are formed by driving a tubular mandrel (44) through vibratory means into the soil (32), with a flexible, tubular, perforate reinforcement (56a, 56b) about the exterior surface of the mandrel (44). When the mandrel (44) is fully driven, it is withdrawn, and simultaneously cementitious material (70) is injected into the mandrel (44). The material (70) exudes through the perforations (57) to complete the inclusion (30), which is deformation compliant. The inclusions may be installed in vertical or non-vertical orientations.
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