Mechanical tunneling construction method for large-span multi-arch hard rock tunnel

Mechanical tunneling construction method for large-span multi-arch hard rock tunnel

The invention discloses a mechanical tunneling construction method for a large-span multi-arch hard rock tunnel. The mechanical tunneling construction method comprises the following steps that firstly, planning is conducted before construction; 2, constructing a middle pilot tunnel; step 3, construc...

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Hauptverfasser: JIANG HUANCHUN, LIU LONGKUN, WANG SHOUGUO, YANG CHAOZHONG, HUANG ZHIHAO, LIU BO, ZHUANG TINGWEI, YAN WENLONG, WANG SUHUI, JI JIAYI, LU LUHUA, CHEN BAICAI
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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creator JIANG HUANCHUN
LIU LONGKUN
WANG SHOUGUO
YANG CHAOZHONG
HUANG ZHIHAO
LIU BO
ZHUANG TINGWEI
YAN WENLONG
WANG SUHUI
JI JIAYI
LU LUHUA
CHEN BAICAI
description The invention discloses a mechanical tunneling construction method for a large-span multi-arch hard rock tunnel. The mechanical tunneling construction method comprises the following steps that firstly, planning is conducted before construction; 2, constructing a middle pilot tunnel; step 3, constructing an upper step; 4, lower step construction; 5, inverted arch construction; wherein in the first step, the whole section of the large-span multi-arch tunnel is divided into seven parts including a middle pilot tunnel, a left tunnel upper step, a left tunnel lower step, a left tunnel inverted arch, a right tunnel upper step, a right tunnel lower step and a right tunnel inverted arch, and the middle pilot tunnel, the left tunnel upper step and the right tunnel upper step are excavated through a cantilever heading machine; the left hole lower step, the left hole inverted arch, the right hole lower step and the right hole inverted arch are excavated through hydraulic breaking hammers; a tunneling mode of synchronous
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The mechanical tunneling construction method comprises the following steps that firstly, planning is conducted before construction; 2, constructing a middle pilot tunnel; step 3, constructing an upper step; 4, lower step construction; 5, inverted arch construction; wherein in the first step, the whole section of the large-span multi-arch tunnel is divided into seven parts including a middle pilot tunnel, a left tunnel upper step, a left tunnel lower step, a left tunnel inverted arch, a right tunnel upper step, a right tunnel lower step and a right tunnel inverted arch, and the middle pilot tunnel, the left tunnel upper step and the right tunnel upper step are excavated through a cantilever heading machine; the left hole lower step, the left hole inverted arch, the right hole lower step and the right hole inverted arch are excavated through hydraulic breaking hammers; a tunneling mode of synchronous</description><language>chi ; eng</language><subject>EARTH DRILLING ; FIXED CONSTRUCTIONS ; GALLERIES ; LARGE UNDERGROUND CHAMBERS ; MINING ; SHAFTS ; TUNNELS</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20230620&amp;DB=EPODOC&amp;CC=CN&amp;NR=116265716A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25555,76308</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20230620&amp;DB=EPODOC&amp;CC=CN&amp;NR=116265716A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>JIANG HUANCHUN</creatorcontrib><creatorcontrib>LIU LONGKUN</creatorcontrib><creatorcontrib>WANG SHOUGUO</creatorcontrib><creatorcontrib>YANG CHAOZHONG</creatorcontrib><creatorcontrib>HUANG ZHIHAO</creatorcontrib><creatorcontrib>LIU BO</creatorcontrib><creatorcontrib>ZHUANG TINGWEI</creatorcontrib><creatorcontrib>YAN WENLONG</creatorcontrib><creatorcontrib>WANG SUHUI</creatorcontrib><creatorcontrib>JI JIAYI</creatorcontrib><creatorcontrib>LU LUHUA</creatorcontrib><creatorcontrib>CHEN BAICAI</creatorcontrib><title>Mechanical tunneling construction method for large-span multi-arch hard rock tunnel</title><description>The invention discloses a mechanical tunneling construction method for a large-span multi-arch hard rock tunnel. 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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
title Mechanical tunneling construction method for large-span multi-arch hard rock tunnel
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