Non-blasting roof-cutting pressure-relief gob-side roadway method for soft-top coal seam
The invention discloses a non-blasting roof-cutting pressure-relief gob-side roadway method for a soft-top coal seam. The method comprises the steps that firstly, the length of an anchor cable and the depth of a joint-cutting hole are calculated according to site conditions; secondly, anchor rod and...
Gespeichert in:
| Hauptverfasser: | , , , , |
|---|---|
| Format: | Patent |
| Sprache: | chi ; eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | |
|---|---|
| container_issue | |
| container_start_page | |
| container_title | |
| container_volume | |
| creator | LI CHEN HUA XINZHU LIU XIAO CHANG GUANFENG WANG ENQIAN |
| description | The invention discloses a non-blasting roof-cutting pressure-relief gob-side roadway method for a soft-top coal seam. The method comprises the steps that firstly, the length of an anchor cable and the depth of a joint-cutting hole are calculated according to site conditions; secondly, anchor rod and cable combined anchoring is adopted on the roadway top plate to reinforce the roadway top plate; 3, drilling a plurality of joint cutting holes in the top end of one side, close to the goaf, of the reserved roadway; fourthly, temporary supporting is conducted in the reserved roadway; fifthly, a concrete brick wall is poured on the side, close to the goaf, of the reserved roadway, and the top face of the concrete brick wall makes contact with a roadway top plate; sixthly, along with advancing of the stope face, anchor rod cables of a rear roadway roof are combined and anchored step by step to be dismantled; and (7) along with advancing of the stope face and collapse of the goaf top plate, a gob-side roadway is form |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_CN114263482A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>CN114263482A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_CN114263482A3</originalsourceid><addsrcrecordid>eNqNyj0KAjEQQOE0FqLeYTxAiv1BbGVRrLaysFtmk8kayGZCJot4e0U8gNXjwbdW956jHgNK8XGCzOy0Wcp3UiaRJZPOFDw5mHjU4i19FNonvmCm8mALjjMIu6ILJzCMAYRw3qqVwyC0-3Wj9pfzrbtqSjyQJDQUqQxdX1VtfWjaY31q_jFvtA46UQ</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Non-blasting roof-cutting pressure-relief gob-side roadway method for soft-top coal seam</title><source>esp@cenet</source><creator>LI CHEN ; HUA XINZHU ; LIU XIAO ; CHANG GUANFENG ; WANG ENQIAN</creator><creatorcontrib>LI CHEN ; HUA XINZHU ; LIU XIAO ; CHANG GUANFENG ; WANG ENQIAN</creatorcontrib><description>The invention discloses a non-blasting roof-cutting pressure-relief gob-side roadway method for a soft-top coal seam. The method comprises the steps that firstly, the length of an anchor cable and the depth of a joint-cutting hole are calculated according to site conditions; secondly, anchor rod and cable combined anchoring is adopted on the roadway top plate to reinforce the roadway top plate; 3, drilling a plurality of joint cutting holes in the top end of one side, close to the goaf, of the reserved roadway; fourthly, temporary supporting is conducted in the reserved roadway; fifthly, a concrete brick wall is poured on the side, close to the goaf, of the reserved roadway, and the top face of the concrete brick wall makes contact with a roadway top plate; sixthly, along with advancing of the stope face, anchor rod cables of a rear roadway roof are combined and anchored step by step to be dismantled; and (7) along with advancing of the stope face and collapse of the goaf top plate, a gob-side roadway is form</description><language>chi ; eng</language><subject>EARTH DRILLING ; FIXED CONSTRUCTIONS ; GALLERIES ; LARGE UNDERGROUND CHAMBERS ; MINING ; SHAFTS ; TUNNELS</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=20220401&DB=EPODOC&CC=CN&NR=114263482A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220401&DB=EPODOC&CC=CN&NR=114263482A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LI CHEN</creatorcontrib><creatorcontrib>HUA XINZHU</creatorcontrib><creatorcontrib>LIU XIAO</creatorcontrib><creatorcontrib>CHANG GUANFENG</creatorcontrib><creatorcontrib>WANG ENQIAN</creatorcontrib><title>Non-blasting roof-cutting pressure-relief gob-side roadway method for soft-top coal seam</title><description>The invention discloses a non-blasting roof-cutting pressure-relief gob-side roadway method for a soft-top coal seam. The method comprises the steps that firstly, the length of an anchor cable and the depth of a joint-cutting hole are calculated according to site conditions; secondly, anchor rod and cable combined anchoring is adopted on the roadway top plate to reinforce the roadway top plate; 3, drilling a plurality of joint cutting holes in the top end of one side, close to the goaf, of the reserved roadway; fourthly, temporary supporting is conducted in the reserved roadway; fifthly, a concrete brick wall is poured on the side, close to the goaf, of the reserved roadway, and the top face of the concrete brick wall makes contact with a roadway top plate; sixthly, along with advancing of the stope face, anchor rod cables of a rear roadway roof are combined and anchored step by step to be dismantled; and (7) along with advancing of the stope face and collapse of the goaf top plate, a gob-side roadway is form</description><subject>EARTH DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>GALLERIES</subject><subject>LARGE UNDERGROUND CHAMBERS</subject><subject>MINING</subject><subject>SHAFTS</subject><subject>TUNNELS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyj0KAjEQQOE0FqLeYTxAiv1BbGVRrLaysFtmk8kayGZCJot4e0U8gNXjwbdW956jHgNK8XGCzOy0Wcp3UiaRJZPOFDw5mHjU4i19FNonvmCm8mALjjMIu6ILJzCMAYRw3qqVwyC0-3Wj9pfzrbtqSjyQJDQUqQxdX1VtfWjaY31q_jFvtA46UQ</recordid><startdate>20220401</startdate><enddate>20220401</enddate><creator>LI CHEN</creator><creator>HUA XINZHU</creator><creator>LIU XIAO</creator><creator>CHANG GUANFENG</creator><creator>WANG ENQIAN</creator><scope>EVB</scope></search><sort><creationdate>20220401</creationdate><title>Non-blasting roof-cutting pressure-relief gob-side roadway method for soft-top coal seam</title><author>LI CHEN ; HUA XINZHU ; LIU XIAO ; CHANG GUANFENG ; WANG ENQIAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN114263482A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2022</creationdate><topic>EARTH DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>GALLERIES</topic><topic>LARGE UNDERGROUND CHAMBERS</topic><topic>MINING</topic><topic>SHAFTS</topic><topic>TUNNELS</topic><toplevel>online_resources</toplevel><creatorcontrib>LI CHEN</creatorcontrib><creatorcontrib>HUA XINZHU</creatorcontrib><creatorcontrib>LIU XIAO</creatorcontrib><creatorcontrib>CHANG GUANFENG</creatorcontrib><creatorcontrib>WANG ENQIAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LI CHEN</au><au>HUA XINZHU</au><au>LIU XIAO</au><au>CHANG GUANFENG</au><au>WANG ENQIAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Non-blasting roof-cutting pressure-relief gob-side roadway method for soft-top coal seam</title><date>2022-04-01</date><risdate>2022</risdate><abstract>The invention discloses a non-blasting roof-cutting pressure-relief gob-side roadway method for a soft-top coal seam. The method comprises the steps that firstly, the length of an anchor cable and the depth of a joint-cutting hole are calculated according to site conditions; secondly, anchor rod and cable combined anchoring is adopted on the roadway top plate to reinforce the roadway top plate; 3, drilling a plurality of joint cutting holes in the top end of one side, close to the goaf, of the reserved roadway; fourthly, temporary supporting is conducted in the reserved roadway; fifthly, a concrete brick wall is poured on the side, close to the goaf, of the reserved roadway, and the top face of the concrete brick wall makes contact with a roadway top plate; sixthly, along with advancing of the stope face, anchor rod cables of a rear roadway roof are combined and anchored step by step to be dismantled; and (7) along with advancing of the stope face and collapse of the goaf top plate, a gob-side roadway is form</abstract><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext_linktorsrc |
| identifier | |
| ispartof | |
| issn | |
| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN114263482A |
| source | esp@cenet |
| subjects | EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS |
| title | Non-blasting roof-cutting pressure-relief gob-side roadway method for soft-top coal seam |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-28T12%3A01%3A26IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=LI%20CHEN&rft.date=2022-04-01&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3ECN114263482A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |