Large-aperture single-hole non-pressure grouting method for karst water inrush
The invention provides a large-aperture single-hole non-pressure grouting method for karst water inrush. The large-aperture single-hole non-pressure grouting method comprises the following steps that1, a grouting hole and an air outlet hole are constructed; 2, a sleeve is hoisted and placed into the...
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| creator | DU ZUNLONG HE XIAOXUE CHEN JIE FAN XIAOJUN TONG JIAKUN YANG FAN TIAN CHONG ZHU MIN |
| description | The invention provides a large-aperture single-hole non-pressure grouting method for karst water inrush. The large-aperture single-hole non-pressure grouting method comprises the following steps that1, a grouting hole and an air outlet hole are constructed; 2, a sleeve is hoisted and placed into the grouting hole, a grouting hopper is hoisted and inserted into the upper end of the sleeve, a lifting appliance of a crane is connected with a lifting lug on the sleeve, a grouting material is injected from the upper end of the grouting hopper through a grouting pipe of a grouting pump truck, and meanwhile the sleeve is hoisted to do up-down reciprocating motion; 3, when the water amount of a karst water inrush water outlet is obviously reduced to the flow, the up-down motion of the sleeve is stopped, and the grouting material continues to be poured; and 4, after the construction grouting hole is filled with the grouting material, hole sealing treatment is carried out. According to the grouting method, a large-size |
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The large-aperture single-hole non-pressure grouting method comprises the following steps that1, a grouting hole and an air outlet hole are constructed; 2, a sleeve is hoisted and placed into the grouting hole, a grouting hopper is hoisted and inserted into the upper end of the sleeve, a lifting appliance of a crane is connected with a lifting lug on the sleeve, a grouting material is injected from the upper end of the grouting hopper through a grouting pipe of a grouting pump truck, and meanwhile the sleeve is hoisted to do up-down reciprocating motion; 3, when the water amount of a karst water inrush water outlet is obviously reduced to the flow, the up-down motion of the sleeve is stopped, and the grouting material continues to be poured; and 4, after the construction grouting hole is filled with the grouting material, hole sealing treatment is carried out. 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According to the grouting method, a large-size</description><subject>EMBANKMENTS</subject><subject>EXCAVATIONS</subject><subject>FIXED CONSTRUCTIONS</subject><subject>FOUNDATIONS</subject><subject>HYDRAULIC ENGINEERING</subject><subject>SOIL SHIFTING</subject><subject>UNDERGROUND OR UNDERWATER STRUCTURES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyjEKAjEQRuE0FqLeYTxAYIMotrIoFrKV_RL03-xizISZBK-vggewesX35qa7eAmwPkNKFZBOKUTYkSMocbJZoPqFIFzLB-mJMvKdBhZ6eNFCL18gNCWpOi7NbPBRsfp1Ydan47U9W2TuodnfkFD6tnPObRu3b3aHzT_PG1e3NwM</recordid><startdate>20200807</startdate><enddate>20200807</enddate><creator>DU ZUNLONG</creator><creator>HE XIAOXUE</creator><creator>CHEN JIE</creator><creator>FAN XIAOJUN</creator><creator>TONG JIAKUN</creator><creator>YANG FAN</creator><creator>TIAN CHONG</creator><creator>ZHU MIN</creator><scope>EVB</scope></search><sort><creationdate>20200807</creationdate><title>Large-aperture single-hole non-pressure grouting method for karst water inrush</title><author>DU ZUNLONG ; HE XIAOXUE ; CHEN JIE ; FAN XIAOJUN ; TONG JIAKUN ; YANG FAN ; TIAN CHONG ; ZHU MIN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN111501806A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2020</creationdate><topic>EMBANKMENTS</topic><topic>EXCAVATIONS</topic><topic>FIXED CONSTRUCTIONS</topic><topic>FOUNDATIONS</topic><topic>HYDRAULIC ENGINEERING</topic><topic>SOIL SHIFTING</topic><topic>UNDERGROUND OR UNDERWATER STRUCTURES</topic><toplevel>online_resources</toplevel><creatorcontrib>DU ZUNLONG</creatorcontrib><creatorcontrib>HE XIAOXUE</creatorcontrib><creatorcontrib>CHEN JIE</creatorcontrib><creatorcontrib>FAN XIAOJUN</creatorcontrib><creatorcontrib>TONG JIAKUN</creatorcontrib><creatorcontrib>YANG FAN</creatorcontrib><creatorcontrib>TIAN CHONG</creatorcontrib><creatorcontrib>ZHU MIN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DU ZUNLONG</au><au>HE XIAOXUE</au><au>CHEN JIE</au><au>FAN XIAOJUN</au><au>TONG JIAKUN</au><au>YANG FAN</au><au>TIAN CHONG</au><au>ZHU MIN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Large-aperture single-hole non-pressure grouting method for karst water inrush</title><date>2020-08-07</date><risdate>2020</risdate><abstract>The invention provides a large-aperture single-hole non-pressure grouting method for karst water inrush. The large-aperture single-hole non-pressure grouting method comprises the following steps that1, a grouting hole and an air outlet hole are constructed; 2, a sleeve is hoisted and placed into the grouting hole, a grouting hopper is hoisted and inserted into the upper end of the sleeve, a lifting appliance of a crane is connected with a lifting lug on the sleeve, a grouting material is injected from the upper end of the grouting hopper through a grouting pipe of a grouting pump truck, and meanwhile the sleeve is hoisted to do up-down reciprocating motion; 3, when the water amount of a karst water inrush water outlet is obviously reduced to the flow, the up-down motion of the sleeve is stopped, and the grouting material continues to be poured; and 4, after the construction grouting hole is filled with the grouting material, hole sealing treatment is carried out. According to the grouting method, a large-size</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES |
| title | Large-aperture single-hole non-pressure grouting method for karst water inrush |
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