In-situ test and bolt-grouting design evaluation method of underground engineering based on digital drilling
The reasonable design and in-time optimisation of the supporting scheme is very important for ensuring the safe control of the surrounding rock. The key steps are to conduct in-situ real-time tests and quantitative evaluation of the surrounding rock before and after being supported. In order to solv...
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| Veröffentlicht in: | International journal of rock mechanics and mining sciences (Oxford, England : 1997) England : 1997), 2021-02, Vol.138, p.104575, Article 104575 |
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| container_title | International journal of rock mechanics and mining sciences (Oxford, England : 1997) |
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| creator | Wang, Qi Gao, Hongke Jiang, Bei Li, Shucai He, Manchao Qin, Qian |
| description | The reasonable design and in-time optimisation of the supporting scheme is very important for ensuring the safe control of the surrounding rock. The key steps are to conduct in-situ real-time tests and quantitative evaluation of the surrounding rock before and after being supported. In order to solve the difficult problem of in-situ testing the surrounding rock, the surrounding rock digital drilling test system (SDT system) of underground engineering is developed, and the in-situ test and bolt-grouting design evaluation method of surrounding rock in underground engineering based on digital drilling is proposed. The systematic test studies including digital drilling test, borehole inspection and coring test are conducted on typical surrounding rock of chamber in the high stress mine of China. The effectiveness of SDT system and the prediction model of rock equivalent strength based on drilling applied to on-site engineering are validated. The zoning of surrounding rock of deep chamber based on equivalent strength is obtained, which are the strength deterioration zone, strength recovery zone and original rock strength zone, respectively. Based on the results of the in-situ digital drilling test of surrounding rock, the bolt-grouting support scheme to reinforce the surrounding rock is designed and evaluated. The average equivalent strength increase rate of the fractured regions of chamber surrounding rock reinforced by bolt-grouting is 61.6%. The bolt-grouting support can effectively enhance the strength of the fractured surrounding rock and reinforce the fractured rock mass. This study provides an effective means for classifying surrounding rock based on their strengths and design optimisation of the support system. |
| doi_str_mv | 10.1016/j.ijrmms.2020.104575 |
| format | Article |
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The key steps are to conduct in-situ real-time tests and quantitative evaluation of the surrounding rock before and after being supported. In order to solve the difficult problem of in-situ testing the surrounding rock, the surrounding rock digital drilling test system (SDT system) of underground engineering is developed, and the in-situ test and bolt-grouting design evaluation method of surrounding rock in underground engineering based on digital drilling is proposed. The systematic test studies including digital drilling test, borehole inspection and coring test are conducted on typical surrounding rock of chamber in the high stress mine of China. The effectiveness of SDT system and the prediction model of rock equivalent strength based on drilling applied to on-site engineering are validated. The zoning of surrounding rock of deep chamber based on equivalent strength is obtained, which are the strength deterioration zone, strength recovery zone and original rock strength zone, respectively. Based on the results of the in-situ digital drilling test of surrounding rock, the bolt-grouting support scheme to reinforce the surrounding rock is designed and evaluated. The average equivalent strength increase rate of the fractured regions of chamber surrounding rock reinforced by bolt-grouting is 61.6%. The bolt-grouting support can effectively enhance the strength of the fractured surrounding rock and reinforce the fractured rock mass. This study provides an effective means for classifying surrounding rock based on their strengths and design optimisation of the support system.</description><identifier>ISSN: 1365-1609</identifier><identifier>EISSN: 1873-4545</identifier><identifier>DOI: 10.1016/j.ijrmms.2020.104575</identifier><language>eng</language><publisher>Berlin: Elsevier Ltd</publisher><subject>Borehole inspection ; Boreholes ; Chambers ; Core analysis ; Coring ; Coring test ; Design ; Design analysis ; Design optimization ; Digital drilling ; Drilling ; Engineering ; Equivalence ; Field tests ; Fossils ; Grouting ; In-situ real-time test ; Inspection ; Prediction models ; Quantitative evaluation of bolt-grouting ; Recovery zones ; Rock masses ; Rocks ; Strength ; Support systems ; Underground engineering ; Underwater exploration</subject><ispartof>International journal of rock mechanics and mining sciences (Oxford, England : 1997), 2021-02, Vol.138, p.104575, Article 104575</ispartof><rights>2020</rights><rights>Copyright Elsevier BV Feb 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a357t-8944a1cf593331cc056ff51627ea7cb3a54c04e445ce65fe2647088e7a9001b3</citedby><cites>FETCH-LOGICAL-a357t-8944a1cf593331cc056ff51627ea7cb3a54c04e445ce65fe2647088e7a9001b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1365160920309412$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Wang, Qi</creatorcontrib><creatorcontrib>Gao, Hongke</creatorcontrib><creatorcontrib>Jiang, Bei</creatorcontrib><creatorcontrib>Li, Shucai</creatorcontrib><creatorcontrib>He, Manchao</creatorcontrib><creatorcontrib>Qin, Qian</creatorcontrib><title>In-situ test and bolt-grouting design evaluation method of underground engineering based on digital drilling</title><title>International journal of rock mechanics and mining sciences (Oxford, England : 1997)</title><description>The reasonable design and in-time optimisation of the supporting scheme is very important for ensuring the safe control of the surrounding rock. The key steps are to conduct in-situ real-time tests and quantitative evaluation of the surrounding rock before and after being supported. In order to solve the difficult problem of in-situ testing the surrounding rock, the surrounding rock digital drilling test system (SDT system) of underground engineering is developed, and the in-situ test and bolt-grouting design evaluation method of surrounding rock in underground engineering based on digital drilling is proposed. The systematic test studies including digital drilling test, borehole inspection and coring test are conducted on typical surrounding rock of chamber in the high stress mine of China. The effectiveness of SDT system and the prediction model of rock equivalent strength based on drilling applied to on-site engineering are validated. The zoning of surrounding rock of deep chamber based on equivalent strength is obtained, which are the strength deterioration zone, strength recovery zone and original rock strength zone, respectively. Based on the results of the in-situ digital drilling test of surrounding rock, the bolt-grouting support scheme to reinforce the surrounding rock is designed and evaluated. The average equivalent strength increase rate of the fractured regions of chamber surrounding rock reinforced by bolt-grouting is 61.6%. The bolt-grouting support can effectively enhance the strength of the fractured surrounding rock and reinforce the fractured rock mass. This study provides an effective means for classifying surrounding rock based on their strengths and design optimisation of the support system.</description><subject>Borehole inspection</subject><subject>Boreholes</subject><subject>Chambers</subject><subject>Core analysis</subject><subject>Coring</subject><subject>Coring test</subject><subject>Design</subject><subject>Design analysis</subject><subject>Design optimization</subject><subject>Digital drilling</subject><subject>Drilling</subject><subject>Engineering</subject><subject>Equivalence</subject><subject>Field tests</subject><subject>Fossils</subject><subject>Grouting</subject><subject>In-situ real-time test</subject><subject>Inspection</subject><subject>Prediction models</subject><subject>Quantitative evaluation of bolt-grouting</subject><subject>Recovery zones</subject><subject>Rock masses</subject><subject>Rocks</subject><subject>Strength</subject><subject>Support systems</subject><subject>Underground engineering</subject><subject>Underwater exploration</subject><issn>1365-1609</issn><issn>1873-4545</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kMtqwzAQRU1poenjD7oQdO1Usl72plBCH4FAN9kLRR67Mo6USnKgf18Zd93VDDP3zHBvUTwQvCaYiKdhbYdwPMZ1hat5xLjkF8WK1JKWjDN-mXsqeEkEbq6LmxgHjLGohFwV49aV0aYJJYgJadeigx9T2Qc_Jet61EK0vUNw1uOkk_UOHSF9-Rb5Dk2uhTArMwWutw4gzMxBR8gCh1rb26RH1AY7jnlzV1x1eoxw_1dvi_3b637zUe4-37ebl12pKZeprBvGNDEdbyilxBjMRddxIioJWpoD1ZwZzIAxbkDwDirBJK5rkLrBmBzobfG4nD0F_z1lX2rwU3D5o6pqyRspKSZZxRaVCT7GAJ06BXvU4UcRrOZY1aCWWNUcq1pizdjzgkE2cLYQVDQWnIHWBjBJtd7-f-AXIjyD1g</recordid><startdate>202102</startdate><enddate>202102</enddate><creator>Wang, Qi</creator><creator>Gao, Hongke</creator><creator>Jiang, Bei</creator><creator>Li, Shucai</creator><creator>He, Manchao</creator><creator>Qin, Qian</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>202102</creationdate><title>In-situ test and bolt-grouting design evaluation method of underground engineering based on digital drilling</title><author>Wang, Qi ; Gao, Hongke ; Jiang, Bei ; Li, Shucai ; He, Manchao ; Qin, Qian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a357t-8944a1cf593331cc056ff51627ea7cb3a54c04e445ce65fe2647088e7a9001b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Borehole inspection</topic><topic>Boreholes</topic><topic>Chambers</topic><topic>Core analysis</topic><topic>Coring</topic><topic>Coring test</topic><topic>Design</topic><topic>Design analysis</topic><topic>Design optimization</topic><topic>Digital drilling</topic><topic>Drilling</topic><topic>Engineering</topic><topic>Equivalence</topic><topic>Field tests</topic><topic>Fossils</topic><topic>Grouting</topic><topic>In-situ real-time test</topic><topic>Inspection</topic><topic>Prediction models</topic><topic>Quantitative evaluation of bolt-grouting</topic><topic>Recovery zones</topic><topic>Rock masses</topic><topic>Rocks</topic><topic>Strength</topic><topic>Support systems</topic><topic>Underground engineering</topic><topic>Underwater exploration</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Qi</creatorcontrib><creatorcontrib>Gao, Hongke</creatorcontrib><creatorcontrib>Jiang, Bei</creatorcontrib><creatorcontrib>Li, Shucai</creatorcontrib><creatorcontrib>He, Manchao</creatorcontrib><creatorcontrib>Qin, Qian</creatorcontrib><collection>CrossRef</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>International journal of rock mechanics and mining sciences (Oxford, England : 1997)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Qi</au><au>Gao, Hongke</au><au>Jiang, Bei</au><au>Li, Shucai</au><au>He, Manchao</au><au>Qin, Qian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>In-situ test and bolt-grouting design evaluation method of underground engineering based on digital drilling</atitle><jtitle>International journal of rock mechanics and mining sciences (Oxford, England : 1997)</jtitle><date>2021-02</date><risdate>2021</risdate><volume>138</volume><spage>104575</spage><pages>104575-</pages><artnum>104575</artnum><issn>1365-1609</issn><eissn>1873-4545</eissn><abstract>The reasonable design and in-time optimisation of the supporting scheme is very important for ensuring the safe control of the surrounding rock. The key steps are to conduct in-situ real-time tests and quantitative evaluation of the surrounding rock before and after being supported. In order to solve the difficult problem of in-situ testing the surrounding rock, the surrounding rock digital drilling test system (SDT system) of underground engineering is developed, and the in-situ test and bolt-grouting design evaluation method of surrounding rock in underground engineering based on digital drilling is proposed. The systematic test studies including digital drilling test, borehole inspection and coring test are conducted on typical surrounding rock of chamber in the high stress mine of China. The effectiveness of SDT system and the prediction model of rock equivalent strength based on drilling applied to on-site engineering are validated. The zoning of surrounding rock of deep chamber based on equivalent strength is obtained, which are the strength deterioration zone, strength recovery zone and original rock strength zone, respectively. Based on the results of the in-situ digital drilling test of surrounding rock, the bolt-grouting support scheme to reinforce the surrounding rock is designed and evaluated. The average equivalent strength increase rate of the fractured regions of chamber surrounding rock reinforced by bolt-grouting is 61.6%. The bolt-grouting support can effectively enhance the strength of the fractured surrounding rock and reinforce the fractured rock mass. This study provides an effective means for classifying surrounding rock based on their strengths and design optimisation of the support system.</abstract><cop>Berlin</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ijrmms.2020.104575</doi></addata></record> |
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| ispartof | International journal of rock mechanics and mining sciences (Oxford, England : 1997), 2021-02, Vol.138, p.104575, Article 104575 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Borehole inspection Boreholes Chambers Core analysis Coring Coring test Design Design analysis Design optimization Digital drilling Drilling Engineering Equivalence Field tests Fossils Grouting In-situ real-time test Inspection Prediction models Quantitative evaluation of bolt-grouting Recovery zones Rock masses Rocks Strength Support systems Underground engineering Underwater exploration |
| title | In-situ test and bolt-grouting design evaluation method of underground engineering based on digital drilling |
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