Foundation treatment method for ancient collapse of karst region

Foundation treatment method for ancient collapse of karst region

The invention discloses a foundation treatment method for ancient collapse of a karst region. The foundation treatment method comprises the following construction steps that a pile hole is drilled ina foundation region, and a cement gravel pile is arranged in the pile hole; a grouting hole is drille...

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Hauptverfasser: LIAO KUILI, LIAO YIQIANG, LIU ZHIKUI, WANG RUI, LIN HUA, FENG GUIXIU, XIE YONGXIONG, ZHOU YU
Format: Patent
Sprache:chi ; eng
Schlagworte:
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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creator LIAO KUILI
LIAO YIQIANG
LIU ZHIKUI
WANG RUI
LIN HUA
FENG GUIXIU
XIE YONGXIONG
ZHOU YU
description The invention discloses a foundation treatment method for ancient collapse of a karst region. The foundation treatment method comprises the following construction steps that a pile hole is drilled ina foundation region, and a cement gravel pile is arranged in the pile hole; a grouting hole is drilled in the foundation region, and cement pressure grouting is carried out in the grouting hole; and the strength of the foundation region is detected in a conical dynamic sounding mode. According to the foundation treatment method, the soft stratum of a deep foundation is reinforced through cement pressure grouting, and the foundation surface is extruded through a cement gravel pile. Under the action of the cement pressure grouting, the cement grout flows into the pile hole and is combined with the cement gravel pile, and the composite foundation with high bearing capacity is further reinforced, so that the mechanical property of the soft stratum in the ancient collapse region is improved, the foundation bearing capa
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subjects EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
title Foundation treatment method for ancient collapse of karst region
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