Blasting construction method for protecting main body structure of tunnel pile method subway station

The invention discloses a blasting construction method for a tunnel pile method subway station protection main body structure. Comprising the following steps: (1) excavating a vertical shaft: excavating an earthwork machine at the upper part of the vertical shaft, and excavating a vertical shaft bod...

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Hauptverfasser:	YAN ZHENHAO, HONG YONG, XIE HONGXING, WAN CHAOHAI, LI XIAODONG, CHEN XIAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AMMUNITION BLASTING EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES HEATING LARGE UNDERGROUND CHAMBERS LIGHTING MECHANICAL ENGINEERING MINING SHAFTS TUNNELS WEAPONS
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creator	YAN ZHENHAO HONG YONG XIE HONGXING WAN CHAOHAI LI XIAODONG CHEN XIAO
description	The invention discloses a blasting construction method for a tunnel pile method subway station protection main body structure. Comprising the following steps: (1) excavating a vertical shaft: excavating an earthwork machine at the upper part of the vertical shaft, and excavating a vertical shaft body in a medium and slightly weathered rock stratum by adopting underholing blasting; (2) transverse channel blasting construction is conducted, specifically, mining method blasting is adopted, upper and lower step tunnel blasting is adopted, the arch-shaped part of the transverse channel is an upper step, a lower step is arranged below the arch-shaped part of the transverse channel, and during blasting, the upper step is firstly blasted, and blasting is conducted from top to bottom; (3) pilot tunnel blasting construction is conducted, specifically, according to a micro-step division method, the middle of a lower step is excavated firstly, and then a side wall is excavated; step blasting of vertical drilling is adopt
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Comprising the following steps: (1) excavating a vertical shaft: excavating an earthwork machine at the upper part of the vertical shaft, and excavating a vertical shaft body in a medium and slightly weathered rock stratum by adopting underholing blasting; (2) transverse channel blasting construction is conducted, specifically, mining method blasting is adopted, upper and lower step tunnel blasting is adopted, the arch-shaped part of the transverse channel is an upper step, a lower step is arranged below the arch-shaped part of the transverse channel, and during blasting, the upper step is firstly blasted, and blasting is conducted from top to bottom; (3) pilot tunnel blasting construction is conducted, specifically, according to a micro-step division method, the middle of a lower step is excavated firstly, and then a side wall is excavated; step blasting of vertical drilling is adopt</description><language>chi ; eng</language><subject>AMMUNITION ; BLASTING ; EARTH DRILLING ; FIXED CONSTRUCTIONS ; GALLERIES ; HEATING ; LARGE UNDERGROUND CHAMBERS ; LIGHTING ; MECHANICAL ENGINEERING ; MINING ; SHAFTS ; TUNNELS ; WEAPONS</subject><creationdate>2022</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&date=20220422&DB=EPODOC&CC=CN&NR=114383480A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220422&DB=EPODOC&CC=CN&NR=114383480A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAN ZHENHAO</creatorcontrib><creatorcontrib>HONG YONG</creatorcontrib><creatorcontrib>XIE HONGXING</creatorcontrib><creatorcontrib>WAN CHAOHAI</creatorcontrib><creatorcontrib>LI XIAODONG</creatorcontrib><creatorcontrib>CHEN XIAO</creatorcontrib><title>Blasting construction method for protecting main body structure of tunnel pile method subway station</title><description>The invention discloses a blasting construction method for a tunnel pile method subway station protection main body structure. Comprising the following steps: (1) excavating a vertical shaft: excavating an earthwork machine at the upper part of the vertical shaft, and excavating a vertical shaft body in a medium and slightly weathered rock stratum by adopting underholing blasting; (2) transverse channel blasting construction is conducted, specifically, mining method blasting is adopted, upper and lower step tunnel blasting is adopted, the arch-shaped part of the transverse channel is an upper step, a lower step is arranged below the arch-shaped part of the transverse channel, and during blasting, the upper step is firstly blasted, and blasting is conducted from top to bottom; (3) pilot tunnel blasting construction is conducted, specifically, according to a micro-step division method, the middle of a lower step is excavated firstly, and then a side wall is excavated; step blasting of vertical drilling is adopt</description><subject>AMMUNITION</subject><subject>BLASTING</subject><subject>EARTH DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>GALLERIES</subject><subject>HEATING</subject><subject>LARGE UNDERGROUND CHAMBERS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>MINING</subject><subject>SHAFTS</subject><subject>TUNNELS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNzDsOwjAQRVE3FAjYw7AAJKKkSEsiEBUVfeTYY7DkzFj2WIjdo_DpqV5z3l0q2wWdxdMNDFOWVIx4JphQ7mzBcYKYWNC8yaQ9wcj2CR9ZEgI7kEKEAaIP-DvmMj70zPScW6uF0yHj5rsrtT0dr_15h5EHzFEbJJShv1RVU7d10-4P9T_mBWuBP8g</recordid><startdate>20220422</startdate><enddate>20220422</enddate><creator>YAN ZHENHAO</creator><creator>HONG YONG</creator><creator>XIE HONGXING</creator><creator>WAN CHAOHAI</creator><creator>LI XIAODONG</creator><creator>CHEN XIAO</creator><scope>EVB</scope></search><sort><creationdate>20220422</creationdate><title>Blasting construction method for protecting main body structure of tunnel pile method subway station</title><author>YAN ZHENHAO ; HONG YONG ; XIE HONGXING ; WAN CHAOHAI ; LI XIAODONG ; CHEN XIAO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN114383480A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2022</creationdate><topic>AMMUNITION</topic><topic>BLASTING</topic><topic>EARTH DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>GALLERIES</topic><topic>HEATING</topic><topic>LARGE UNDERGROUND CHAMBERS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>MINING</topic><topic>SHAFTS</topic><topic>TUNNELS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>YAN ZHENHAO</creatorcontrib><creatorcontrib>HONG YONG</creatorcontrib><creatorcontrib>XIE HONGXING</creatorcontrib><creatorcontrib>WAN CHAOHAI</creatorcontrib><creatorcontrib>LI XIAODONG</creatorcontrib><creatorcontrib>CHEN XIAO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YAN ZHENHAO</au><au>HONG YONG</au><au>XIE HONGXING</au><au>WAN CHAOHAI</au><au>LI XIAODONG</au><au>CHEN XIAO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Blasting construction method for protecting main body structure of tunnel pile method subway station</title><date>2022-04-22</date><risdate>2022</risdate><abstract>The invention discloses a blasting construction method for a tunnel pile method subway station protection main body structure. 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subjects	AMMUNITION BLASTING EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES HEATING LARGE UNDERGROUND CHAMBERS LIGHTING MECHANICAL ENGINEERING MINING SHAFTS TUNNELS WEAPONS
title	Blasting construction method for protecting main body structure of tunnel pile method subway station
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