In-hole double-measuring point low-strain integrity detecting device and method for foundation pile

In-hole double-measuring point low-strain integrity detecting device and method for foundation pile

The invention discloses an in-hole double-measuring point low-strain integrity detecting device and a method for a foundation pile. The device comprises acceleration sensors with fixing devices, pre-embedded pipes, a pulse hammer, leading wires with scales and a data acquisition treatment device. Th...

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Hauptverfasser: LIU XIN, WANG KUIHUA, ZHENG MINGWANG, TAN JIE
Format: Patent
Sprache:chi ; eng
Schlagworte:
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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creator LIU XIN
WANG KUIHUA
ZHENG MINGWANG
TAN JIE
description The invention discloses an in-hole double-measuring point low-strain integrity detecting device and a method for a foundation pile. The device comprises acceleration sensors with fixing devices, pre-embedded pipes, a pulse hammer, leading wires with scales and a data acquisition treatment device. The sensors adopted by the device consist of the acceleration sensors and the fixing devices; and wheneach acceleration sensor arrives at a designated position, the position of the acceleration sensor in the corresponding pipe is fixed by utilizing the corresponding fixing device. When a concrete pile is poured, pipes are required to be pre-embedded into a steel reinforcement cage for hanging and placing the sensors. When detecting is performed, the two sensors are respectively hung and placed atthe specific depth in the pre-embedded pipes, and the top of the pile is knocked by utilizing the pulse hammer; analysis is performed according to the results of the two measuring points; and the purposes of measuring concret
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The device comprises acceleration sensors with fixing devices, pre-embedded pipes, a pulse hammer, leading wires with scales and a data acquisition treatment device. The sensors adopted by the device consist of the acceleration sensors and the fixing devices; and wheneach acceleration sensor arrives at a designated position, the position of the acceleration sensor in the corresponding pipe is fixed by utilizing the corresponding fixing device. When a concrete pile is poured, pipes are required to be pre-embedded into a steel reinforcement cage for hanging and placing the sensors. 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subjects EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
title In-hole double-measuring point low-strain integrity detecting device and method for foundation pile
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