Soft rock stratum drilling and grouting reinforcement structure and method
The invention relates to a soft rock stratum drilling and grouting reinforcement structure and method, and belongs to the field of tunnel construction. The structure comprises a radial tree-shaped drilling net with a main hole as a trunk and a sub hole as a branch, the main hole penetrates to a soft...
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| creator | GUO HONGYAN PI XIAOQIANG HAO YONG CHENG LIANG LI YANG ZHAO YONG YU JUNKAI KANG SHENGQING LI KE |
| description | The invention relates to a soft rock stratum drilling and grouting reinforcement structure and method, and belongs to the field of tunnel construction. The structure comprises a radial tree-shaped drilling net with a main hole as a trunk and a sub hole as a branch, the main hole penetrates to a soft rock stratum, and the sub hole is formed in the soft rock stratum; the method comprises the steps that S1, a horizontal female hole is drilled; s2, a plurality of sub-holes are drilled in the radial direction of the main hole, and a sub-hole net is formed; and S3, slurry is injected into the primary hole and the secondary hole. Wherein a drilling machine, a high-pressure pump, a high-pressure hose, a guider and a self-propelled drill bit are used for drilling a primary hole net and a secondary hole net, then a grouting pipe is used for grouting the primary hole net and the secondary hole net, and after grout is solidified, the solidification strength is achieved, so that the effect of reinforcing the soft rock str |
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The structure comprises a radial tree-shaped drilling net with a main hole as a trunk and a sub hole as a branch, the main hole penetrates to a soft rock stratum, and the sub hole is formed in the soft rock stratum; the method comprises the steps that S1, a horizontal female hole is drilled; s2, a plurality of sub-holes are drilled in the radial direction of the main hole, and a sub-hole net is formed; and S3, slurry is injected into the primary hole and the secondary hole. Wherein a drilling machine, a high-pressure pump, a high-pressure hose, a guider and a self-propelled drill bit are used for drilling a primary hole net and a secondary hole net, then a grouting pipe is used for grouting the primary hole net and the secondary hole net, and after grout is solidified, the solidification strength is achieved, so that the effect of reinforcing the soft rock str</description><language>chi ; eng</language><subject>EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; FIXED CONSTRUCTIONS ; GALLERIES ; LARGE UNDERGROUND CHAMBERS ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ; SHAFTS ; TUNNELS</subject><creationdate>2024</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=20240702&DB=EPODOC&CC=CN&NR=118273726A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76302</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240702&DB=EPODOC&CC=CN&NR=118273726A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GUO HONGYAN</creatorcontrib><creatorcontrib>PI XIAOQIANG</creatorcontrib><creatorcontrib>HAO YONG</creatorcontrib><creatorcontrib>CHENG LIANG</creatorcontrib><creatorcontrib>LI YANG</creatorcontrib><creatorcontrib>ZHAO YONG</creatorcontrib><creatorcontrib>YU JUNKAI</creatorcontrib><creatorcontrib>KANG SHENGQING</creatorcontrib><creatorcontrib>LI KE</creatorcontrib><title>Soft rock stratum drilling and grouting reinforcement structure and method</title><description>The invention relates to a soft rock stratum drilling and grouting reinforcement structure and method, and belongs to the field of tunnel construction. 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The structure comprises a radial tree-shaped drilling net with a main hole as a trunk and a sub hole as a branch, the main hole penetrates to a soft rock stratum, and the sub hole is formed in the soft rock stratum; the method comprises the steps that S1, a horizontal female hole is drilled; s2, a plurality of sub-holes are drilled in the radial direction of the main hole, and a sub-hole net is formed; and S3, slurry is injected into the primary hole and the secondary hole. Wherein a drilling machine, a high-pressure pump, a high-pressure hose, a guider and a self-propelled drill bit are used for drilling a primary hole net and a secondary hole net, then a grouting pipe is used for grouting the primary hole net and the secondary hole net, and after grout is solidified, the solidification strength is achieved, so that the effect of reinforcing the soft rock str</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SHAFTS TUNNELS |
| title | Soft rock stratum drilling and grouting reinforcement structure and method |
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