Construction method for CRD (center cross diaphragm) inverted arch

Construction method for CRD (center cross diaphragm) inverted arch

The invention discloses a construction method for a CRD (center cross diaphragm) inverted arch. The construction method comprises the following steps: 1), installing a temporary steel support; 2), breaking a center cross diaphragm near the temporary steel support; 3), constructing a bottom levelling...

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Hauptverfasser: DAI XINGMIN, DONG XIANSHUN, GUO BAOFEI, CHEN JIAN, WANG CHUNSHENG, GUO JIANGUO, XU XINGHUI, MA DONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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creator DAI XINGMIN
DONG XIANSHUN
GUO BAOFEI
CHEN JIAN
WANG CHUNSHENG
GUO JIANGUO
XU XINGHUI
MA DONG
description The invention discloses a construction method for a CRD (center cross diaphragm) inverted arch. The construction method comprises the following steps: 1), installing a temporary steel support; 2), breaking a center cross diaphragm near the temporary steel support; 3), constructing a bottom levelling layer, a waterproof layer and a protective layer for the temporary steel support; 4), applying pre-stress; and 5), constructing the inverted arch: breaking the rest center cross diaphragm, constructing a levelling layer, a waterproof layer and a protective layer, applying reinforcement, mould boards and concrete, using concrete of the same grade to backfill the middle part of the concrete inverted arch, and simultaneously pouring 30cm-high concrete on the two side walls. The construction method has the advantages of reducing structural construction seams, avoiding frequent conversion between processes, achieving strong structural integrity, completely sealing the waterproof layer and effectively controlling land s
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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
title Construction method for CRD (center cross diaphragm) inverted arch
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