High-pressure rotary jet grouting slurry return protection device

High-pressure rotary jet grouting slurry return protection device

The utility model discloses a high-pressure rotary jet grouting slurry return protection device, which relates to the technical field of slurry return protection, and comprises a high-pressure rotary jet grouting drill rod, a pre-stressed anchor cable, a transverse thick steel bar, a sprayed concret...

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Hauptverfasser: ZHANG SHUIGEN, YANG YUN, SHAO LINYU
Format: Patent
Sprache:chi ; eng
Schlagworte:
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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creator ZHANG SHUIGEN
YANG YUN
SHAO LINYU
description The utility model discloses a high-pressure rotary jet grouting slurry return protection device, which relates to the technical field of slurry return protection, and comprises a high-pressure rotary jet grouting drill rod, a pre-stressed anchor cable, a transverse thick steel bar, a sprayed concrete layer and a ground layer, the top end of the high-pressure rotary jet grouting drill rod is sleeved with a disc, and the bottom end of the high-pressure rotary jet grouting drill rod is sleeved with a sleeve; the protection device comprises a steel bar net piece embedded in the sprayed concrete layer, vertical steel bars of the steel bar net piece extend into the transverse thick steel bars and are fastened with the transverse thick steel bars through steel bar clamping grooves, a pre-stressed anchor cable is arranged on the top of the sprayed concrete layer, and the pre-stressed anchor cable is obliquely and downwards anchored in the stratum. Return slurry in the rotating and rising process of the high-pressure
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language chi ; eng
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subjects EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
title High-pressure rotary jet grouting slurry return protection device
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