CN115839244A - Short-distance subway shield tunnel crossing operation supporting equipment and method - Google Patents
Short-distance subway shield tunnel crossing operation supporting equipment and method Download PDFInfo
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- CN115839244A CN115839244A CN202310100823.0A CN202310100823A CN115839244A CN 115839244 A CN115839244 A CN 115839244A CN 202310100823 A CN202310100823 A CN 202310100823A CN 115839244 A CN115839244 A CN 115839244A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to the technical field of subway engineering construction, in particular to a short-distance subway shield tunnel support device and a short-distance subway shield tunnel support method, which comprise tunnel pipe pieces, wherein a plurality of mounting holes are vertically formed in each tunnel pipe piece, each mounting hole is internally provided with a fixing nut, an external threaded pipe is rotationally arranged in a pipe orifice at the lower end of a grouting pipe, the external threaded pipe is rotationally and threadedly connected into the fixing nuts, a plurality of grouting holes are vertically formed in the grouting pipe, sealing strips are attached to the inner walls of the plurality of vertically-formed grouting holes, the lower end surfaces of the sealing strips are connected with the inner walls of the external threaded pipe, a plurality of elastic sealing plugs are arranged on the side surfaces of the sealing strips, and the plurality of elastic sealing plugs are respectively inserted into the plurality of grouting holes in the vertical direction in a sliding manner; the invention can lead the grouting pipe and the soil layer above the tunnel segment to form a whole, thereby leading the grouting pipe and the tunnel segment to be capable of safely and stably supporting the soil layer above under the combined action.
Description
Technical Field
The invention relates to the technical field of subway engineering construction, in particular to a short-distance subway shield tunnel crossing operation supporting device and a method.
Background
With the rapid development of urban rail transit, subways have gradually become important transportation modes for people to go out. Due to the continuous intersection of subway networks, the phenomenon that existing operation lines are penetrated under newly-built subway lines becomes a common phenomenon. The shield method is an important method for subway interval construction, has high risk when a shield machine passes through an existing station enclosure and main structure, and how to quickly and safely enable the shield machine to pass through an existing line structure ensures that the safe operation of the existing line becomes a new difficult problem.
And current support equipment is mostly direct insert slip casting pipe in the tunnel top soil layer of subway shield, then carry out the slip casting through the slip casting pipe and handle the soil layer, and then be convenient for carry out reinforcement treatment to the soil layer of top, and directly insert the slip casting pipe in the soil layer, on the one hand, can lead to the soil particles in the soil layer to enter into in the slip casting pipe through the whitewashing hole of slip casting pipe, and then influence the normal slip casting of slip casting pipe and handle, on the other hand, the slip casting pipe independently inserts in the soil layer, and can not combine with tunnel section of jurisdiction and soil layer, and then can reduce the safety support to the soil layer.
Disclosure of Invention
The invention aims to provide a short-distance subway shield tunnel crossing operation supporting device and a short-distance subway shield tunnel crossing operation supporting method, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the support equipment comprises tunnel pipe pieces, wherein a plurality of grouting support assemblies are uniformly arranged on the tunnel pipe pieces, and the grouting support assemblies are inserted into grouting holes in soil layers above the subway shield tunnel and used for grouting support of the soil layers above the subway shield tunnel.
Preferably, slip casting is strutted the subassembly and is included fixation nut, slip casting pipe, external screw thread pipe, sealing strip and elastic sealing plug, a plurality of mounting holes have vertically been seted up on the tunnel segment, and all be provided with fixation nut in every mounting hole, the slip casting pipe passes in fixation nut inserts the slip casting hole on subway shield tunnel top soil layer, and the lower extreme mouth of pipe internal rotation of slip casting pipe is provided with external screw thread pipe, external screw thread pipe rotates in threaded connection to fixation nut, a plurality of whitewashing holes have been seted up to the vertical direction on the slip casting pipe, and a plurality of whitewashing holes also circumference array is seted up on the slip casting pipe, and is vertical a plurality of set up the laminating of whitewashing hole inner wall is provided with the sealing strip, the lower terminal surface and the external screw thread pipe inner wall connection of sealing strip, and the side of sealing strip is provided with a plurality of elastic sealing plugs, and is a plurality of elastic sealing plug sliding insertion respectively in a plurality of whitewashing holes on the vertical direction.
Preferably, a plurality of positioning clamping grooves are inwards formed in the bottom end pipe orifice of the outer threaded pipe, a positioning clamping block is clamped in each positioning clamping groove in a sliding mode, each positioning clamping block is connected with the side face of the sealing strip, and the length of each positioning clamping block is smaller than that of each positioning clamping groove.
Preferably, the outer wall of slip casting pipe evenly is provided with a plurality of elastic metal pieces, and every elastic metal piece aligns with every whitewashing hole respectively, elastic metal piece's top and slip casting pipe's outer wall connection, and elastic metal piece's bottom side sets up at the unsettled setting of outer wall of slip casting pipe.
Preferably, the inner side of the elastic metal sheet is elastically connected to the outer side of the elastic sealing plug by an elastic tearing sheet.
Preferably, the elastic metal piece lateral surface evenly is provided with a plurality of arc archs, the protruding inside compression chamber of having seted up of arc, and the compression intracavity is filled with the bentonite granule, the arc arch adopts the elastic film material to make.
A method for supporting a short-distance subway shield through operating tunnel is suitable for supporting construction of the supporting equipment for the short-distance subway shield through operating tunnel.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the grouting support assembly is arranged on the tunnel segment, and the sealing strip is arranged in the grouting pipe and matched with the elastic sealing plug arranged in the slip hole in a sliding manner, so that soil particles in the grouting hole can not enter the grouting pipe when the grouting pipe is inserted into the grouting hole, the grouting pipe is blocked and the grouting material cannot be sprayed into soil to reinforce the soil, and the grouting pipe and the soil layer above the tunnel segment can form a whole after the grouting pipe is solidified in the grouting hole through the grouting material through the matching of the external threaded pipe and the fixing nut, so that the grouting pipe and the tunnel segment can jointly act for safe and stable support on the soil layer above the tunnel segment.
2. According to the invention, the plurality of elastic metal sheets are arranged on the outer wall of the grouting pipe and are aligned with the grout spraying hole, the grouting material is sprayed out through the grout spraying hole, the sprayed grouting material can generate thrust on the elastic metal sheets outside the grout spraying hole, and one end of each elastic metal sheet is in a suspended state, so that the grouting material with certain pressure can push the suspended end of each elastic metal sheet to expand outwards and be embedded into the inner wall of the grout spraying hole when being sprayed out, and meanwhile, the bentonite particles wrapped by the elastic thin film on the outer side of each elastic metal sheet can crush and tear the elastic thin film under the action of the extrusion force, so that the bentonite particles can be diffused around the elastic metal sheets conveniently, and can adsorb partial moisture of the grouting material, so that the bentonite particles absorb water and expand around the elastic metal sheets to form the bulges, and the plurality of expanded elastic metal sheets can be embedded into the soil layer in a tree root shape, thereby improving the stability and firmness of the grouting pipe for reinforcing the soil layer above.
Drawings
FIG. 1 is a schematic structural view of the supporting apparatus of the present invention;
FIG. 2 is a schematic structural view of a grouting support assembly of the present invention;
FIG. 3 is a cross-sectional view of a grout tube of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 according to the present invention.
In the figure: 1. a tunnel segment; 11. mounting holes; 2. grouting a supporting component; 21. fixing a nut; 22. a grouting pipe; 221. a guniting hole; 23. an externally threaded tube; 231. positioning the clamping groove; 24. a sealing strip; 25. an elastic sealing plug; 3. positioning a fixture block; 4. a resilient metal sheet; 5. an elastic tear tab; 6. and an arc-shaped bulge.
Detailed description of the preferred embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Examples
As shown in fig. 1 to 4, the invention provides a technical scheme of a short-distance subway shield tunneling support device: the underground tunnel shield tunnel comprises a tunnel segment 1, wherein a plurality of grouting support assemblies 2 are uniformly arranged on the tunnel segment 1, and the grouting support assemblies 2 are inserted into grouting holes in a soil layer above the underground tunnel shield tunnel and are used for grouting and supporting the soil layer above the underground tunnel shield tunnel; when the underground shield construction supporting device works, when soil layers below an operation tunnel and above a tunnel undergoing underground shield construction need to be supported, the situation that the soil layer above the tunnel undergoing underground shield construction below is thinner, so that the interior of the tunnel operating above is settled, and the normal and safe operation of the operation tunnel is influenced is prevented; most of the existing supporting equipment is that a grouting pipe 22 is directly inserted into a soil layer above a tunnel of a subway shield, then the soil layer is subjected to grouting treatment through the grouting pipe 22, and then the soil layer above is conveniently reinforced, and the grouting pipe 22 is directly inserted into the soil layer, so that on one hand, soil particles in the soil layer can enter the grouting pipe 22 through a grouting hole 221 of the grouting pipe 22, and further normal grouting treatment of the grouting pipe 22 is influenced, and on the other hand, the grouting pipe 22 is independently inserted into the soil layer and cannot be combined with a tunnel segment 1 and the soil layer, and further safety supporting on the soil layer can be reduced; therefore, according to the invention, the plurality of grouting support assemblies 2 are arranged on the tunnel segment 1, when the grouting support assemblies 2 are inserted into the grouting holes of the soil layer, soil particles in the grouting holes cannot enter the grouting support assemblies 2, so that normal grouting treatment of the grouting support assemblies 2 on the inside of the soil layer cannot be influenced, meanwhile, the grouting support assemblies 2 can be combined with the tunnel segment 1, and further the grouting support assemblies 2 and the tunnel segment 1 cannot mutually and independently support the soil layer above the subway shield tunnel safely and stably, so that the damage of settlement deformation caused when a short-distance subway shield passes through the operation tunnel cannot be caused.
As an embodiment of the invention, the grouting support component 2 comprises a fixing nut 21, a grouting pipe 22, an external threaded pipe 23, a sealing strip 24 and elastic sealing plugs 25, wherein a plurality of mounting holes 11 are vertically formed in the tunnel segment 1, the fixing nut 21 is arranged in each mounting hole 11, the grouting pipe 22 passes through the fixing nut 21 and is inserted into a grouting hole in a soil layer above the subway shield tunnel, the external threaded pipe 23 is rotatably arranged in a pipe orifice at the lower end of the grouting pipe 22, the external threaded pipe 23 is rotatably connected into the fixing nut 21 in a threaded manner, a plurality of grouting holes 221 are vertically formed in the grouting pipe 22, the plurality of grouting holes 221 are also formed in the grouting pipe 22 in a circumferential array manner, the sealing strips 24 are attached to inner walls of the plurality of vertically formed grouting holes 221, the lower end face of the sealing strip 24 is connected with the inner wall of the external threaded pipe 23, the side face of the sealing strip 24 is provided with the elastic sealing plugs 25, and the plurality of elastic sealing plugs 25 are respectively slidably inserted into the plurality of grouting holes 221 in the vertical direction; when the tunnel segment 1 is attached to the vault of a construction tunnel through a shield tunneling machine, a constructor inserts a drill of a drilling machine into the mounting hole 11 and then drills a grouting hole on an upper soil layer, after the grouting hole on the upper soil layer is drilled, the constructor fixes the fixing nut 21 into the mounting hole 11 and then inserts the grouting pipe 22 into the grouting hole from the inside of the mounting hole 11 upwards, and because the elastic sealing plugs 25 are arranged in the grouting holes 221 on the outer wall of the grouting pipe 22 to block, when the grouting pipe 22 is inserted into the grouting hole, soil particles in the grouting hole can not enter the grouting pipe 22 through the grouting holes 221, and further normal grouting treatment of the grouting pipe 22 on the soil layer can not be influenced, and when the outer threaded pipe 23 at the lower end of the grouting pipe 22 is aligned with the fixing nut 21, the constructor rotates the outer threaded pipe 23, the external thread pipe 23 can be connected with the fixed nut 21 by screw thread, and the external thread pipe 23 is connected with the grouting pipe 22 by rotation, therefore, the external thread pipe 23 can twist the connected sealing strip 24 in the grouting pipe 22 when rotating, so that the sealing strip 24 can drive the plurality of elastic sealing plugs 25 inserted in a sliding way to fall off from the plurality of grouting holes 221, and then after the grouting pipe 22 is fixed on the tunnel segment 1 by the fixed nut 21, the constructor connects the grouting pipe of the grouting pump with the external thread pipe 23 at the moment, then injects grouting material into the grouting pipe 22, and then injects the grouting material into the soil layer through the plurality of grouting holes 221, thereby facilitating the reinforcement treatment of the soil layer above the subway shield tunnel, and the grouting pipe 22 is connected with the tunnel segment 1 by the fixed nut 21, and after the grouting material is solidified in the grouting hole, the grouting pipe 22 and the soil layer above the tunnel segment 1 can form a whole, and then make slip casting pipe 22 and tunnel segment 1 can the combined action carry out the safety and stability and strut to the soil layer of top, and then just also can not cause the harm that produces the settlement deformation when the short distance subway shield passes through the operation tunnel.
As an embodiment of the present invention, a plurality of positioning clamping grooves 231 are inwardly formed at a bottom end pipe orifice of the external threaded pipe 23, a positioning fixture block 3 is slidably clamped in each positioning clamping groove 231, each positioning fixture block 3 is connected with a side surface of the sealing strip 24, and the length of each positioning fixture block 3 is smaller than the length of the positioning clamping groove 231; during operation, when external thread pipe 23 rotated, can drive sealing strip 24 at slip casting intraductal rotation of 22 through the location fixture block 3 of the interior slip fit of positioning groove 231, and then be convenient for sealing strip 24 can drive a plurality of elastic sealing plug 25 and break away from in a plurality of spouting holes 221 respectively, and take out in slip casting intraductal 22 for the sealing strip 24 that conveniently breaks away from, prevent that sealing strip 24 from producing the jam in slip casting pipe 22, constructor can press from both sides the sealing strip 24 that is located the mouth of pipe department of external thread pipe 23 through calliper clamp and pull out downwards this moment, make location fixture block 3 break away from in positioning groove 231, and then be convenient for take out sealing strip 24 from slip casting intraductal 22, and the length of the location fixture block 3 that sets up is less than the length of positioning groove 231, constructor opens calliper at the mouth of pipe of external thread pipe 23 and blocks into positioning groove 231 in, then rotate calliper, and then be convenient for rotate external thread pipe 23 and be connected to fixation nut 21.
As an embodiment of the present invention, the outer wall of the grouting pipe 22 is uniformly provided with a plurality of elastic metal sheets 4, each elastic metal sheet 4 is aligned with each grout spraying hole 221, the top end of each elastic metal sheet 4 is connected with the outer wall of the grouting pipe 22, and the bottom end side surface of each elastic metal sheet 4 is suspended in the outer wall of the grouting pipe 22; the during operation, when the slip casting material of certain pressure is injected into slip casting pipe 22 to the needs, the slip casting material can be injected into the soil layer through a plurality of whitewashing holes 221 on the slip casting pipe 22 this moment, and pass through whitewashing holes 221 blowout when the slip casting material, spun slip casting material can produce thrust to the elastic metal piece 4 in the whitewashing holes 221 outside this moment, and because the one end of elastic metal piece 4 is in unsettled state, therefore, the slip casting material that has certain pressure can promote the outside expansion of the unsettled one end of elastic metal piece 4 and imbed on the inner wall in slip casting hole when the blowout, not only can improve the fastness of slip casting pipe 22 at the downthehole installation of slip casting, when the slip casting material is downthehole solidification in the slip casting, can improve slip casting pipe 22 through a plurality of elastic metal pieces 4 of outside expansion and to the reinforced stability of soil layer on every side.
As an embodiment of the present invention, the inner side of the elastic metal sheet 4 is elastically connected to the outer side of the elastic sealing plug 25 by the elastic tearing sheet 5; when the flexible metal sheet 4 is inserted into the grouting hole along with the grouting pipe 22 during work, at the moment, the flexible metal sheet 4 is connected into the flexible sealing plug 25 through the flexible tearing sheet 5, so that the free end of the flexible metal sheet 4 cannot expand outwards, and the grouting pipe 22 cannot be inserted into the grouting hole; and when elastic sealing plug 25 breaks away from in spouting hole 221 under pulling of torsional sealing strip 24, elasticity tear piece 5 can produce the fracture under the effect of pulling this moment, and elastic metal piece 4 can produce outside expansion at self elastic action this moment, and then the elastic metal piece 4 of being convenient for can stably be embedded into on the slip casting downthehole wall.
As an implementation mode of the invention, a plurality of arc-shaped bulges 6 are uniformly arranged on the outer side surface of the elastic metal sheet 4, compression cavities are formed in the arc-shaped bulges 6, bentonite particles are filled in the compression cavities, and the arc-shaped bulges 6 are made of elastic film materials; the during operation, when the slip casting material of elastic metal piece 4 at the spouting hole 221 spun promotes down the extrusion and imbeds during the slip casting hole inner wall, 4 outsides of elastic metal piece this moment can extrude brokenly tearing elastic film by elastic film parcel bentonite granule under the effect of extrusion force, and then be convenient for the bentonite granule can be at elastic metal piece 4 diffusion on every side, and bentonite granule can adsorb slip casting material partial moisture this moment, make the bentonite granule absorb water the inflation and form the bulge around elastic metal piece 4, thereby make the elastic metal piece 4 of a plurality of expansions can be in the root form imbeds the soil layer, thereby can improve slip casting pipe 22 soil layer reinforced (rfd) stability and the fastness of top.
A method for supporting a short-distance subway shield tunnel in a crossing operation tunnel is suitable for supporting construction of the supporting equipment for the short-distance subway shield tunnel in the crossing operation tunnel.
The working principle is as follows: after the tunnel segment 1 is attached to the vault of the construction tunnel by the shield machine, the constructor inserts the drill of the drilling machine into the mounting hole 11, then drills the grouting hole on the upper soil layer, after the grouting hole on the upper soil layer is drilled, the constructor fixes the fixing nut 21 into the mounting hole 11, then inserts the grouting pipe 22 into the grouting hole from the mounting hole 11 upwards, and because the elastic sealing plugs 25 are blocked in the grouting holes 221 on the outer wall of the grouting pipe 22, when the grouting pipe 22 is inserted into the grouting hole, soil particles in the grouting hole can not enter the grouting pipe 22 through the grouting holes 221, and further the normal grouting treatment of the grouting pipe 22 on the soil layer can not be influenced, and when the outer threaded pipe 23 at the lower end of the grouting pipe 22 is aligned with the fixing nut 21, the constructor rotates the outer threaded pipe 23, the external thread pipe 23 can be connected with the fixed nut 21 by screw thread, and the external thread pipe 23 is connected with the grouting pipe 22 by rotation, therefore, the external thread pipe 23 can twist the connected sealing strip 24 in the grouting pipe 22 when rotating, so that the sealing strip 24 can drive the plurality of elastic sealing plugs 25 inserted in a sliding way to fall off from the plurality of grouting holes 221, and then after the grouting pipe 22 is fixed on the tunnel segment 1 by the fixed nut 21, the constructor connects the grouting pipe of the grouting pump with the external thread pipe 23 at the moment, then injects grouting material into the grouting pipe 22, and then injects the grouting material into the soil layer through the plurality of grouting holes 221, thereby facilitating the reinforcement treatment of the soil layer above the subway shield tunnel, and the grouting pipe 22 is connected with the tunnel segment 1 by the fixed nut 21, and after the grouting material is solidified in the grouting hole, the grouting pipe 22 and the soil layer above the tunnel segment 1 can form a whole, and then make slip casting pipe 22 and tunnel segment 1 can the combined action carry out the safety and stability and strut to the soil layer of top, and then just also can not cause the harm that produces the settlement deformation when the short distance subway shield passes through the operation tunnel.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The support equipment for the short-distance subway shield crossing operation tunnel comprises a tunnel segment (1), and is characterized in that a plurality of grouting support assemblies (2) are uniformly arranged on the tunnel segment (1), and the grouting support assemblies (2) are inserted into grouting holes in soil layers above a subway shield tunnel and are used for grouting and supporting the soil layers above the subway shield tunnel;
the grouting support assembly (2) comprises a fixing nut (21), a grouting pipe (22), an external threaded pipe (23), a sealing strip (24) and elastic sealing plugs (25), a plurality of mounting holes (11) are vertically formed in the tunnel segment (1), the fixing nut (21) is arranged in each mounting hole (11), the grouting pipe (22) penetrates through the fixing nut (21) and is inserted into a grouting hole in a soil layer above the subway shield tunnel, the external threaded pipe (23) is rotatably arranged in a pipe orifice at the lower end of the grouting pipe (22), the external threaded pipe (23) is rotatably connected into the fixing nut (21) in a threaded manner, a plurality of grouting holes (221) are formed in the grouting pipe (22) in the vertical direction, the plurality of grouting holes (221) are also formed in a circumferential array on the grouting pipe (22), the inner walls of the plurality of vertically formed grouting holes (221) are provided with the sealing strips (24) in a fit manner, the lower end face of the sealing strip (24) is connected with the inner wall of the external threaded pipe (23), the side face of the sealing strip (24) is provided with the plurality of elastic sealing strips (25), and the elastic sealing plugs (25) are inserted into the plurality of the sealing plugs (25) in the vertical direction;
a plurality of positioning clamping grooves (231) are inwards formed in the bottom pipe orifice of the outer threaded pipe (23), a positioning clamping block (3) is clamped in each positioning clamping groove (231) in a sliding mode, each positioning clamping block (3) is connected with the side face of the sealing strip (24), and the length of each positioning clamping block (3) is smaller than that of each positioning clamping groove (231).
2. The close-range subway shield tunnel support equipment according to claim 1, characterized in that: the outer wall of slip casting pipe (22) evenly is provided with a plurality of elastic metal pieces (4), and every elastic metal piece (4) aligns with every whitewashing hole (221) respectively, the top of elastic metal piece (4) is connected with the outer wall of slip casting pipe (22), and the bottom side of elastic metal piece (4) is unsettled to be set up at the outer wall of slip casting pipe (22).
3. The close-range subway shield tunnel support equipment according to claim 2, characterized in that: the inner side surface of the elastic metal sheet (4) is elastically connected to the outer side surface of the elastic sealing plug (25) through the elastic tearing sheet (5).
4. The close-range subway shield tunnel support equipment according to claim 3, characterized in that: elastic metal piece (4) lateral surface evenly is provided with a plurality of arc arch (6), the compression chamber has been seted up to arc arch (6) inside, and the compression intracavity packing has the bentonite granule, arc arch (6) adopt elastic film material to make.
5. A short-distance subway shield tunnel crossing operation supporting method is characterized by comprising the following steps: the method is suitable for the supporting construction of the supporting equipment according to any one of the claims 1 to 4 on the short-distance subway shield tunnel crossing operation tunnel.
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|---|---|---|---|
| CN202310100823.0A CN115839244B (en) | 2023-02-13 | 2023-02-13 | Short-distance subway shield tunnel crossing operation supporting equipment and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310100823.0A CN115839244B (en) | 2023-02-13 | 2023-02-13 | Short-distance subway shield tunnel crossing operation supporting equipment and method |
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| CN115839244A true CN115839244A (en) | 2023-03-24 |
| CN115839244B CN115839244B (en) | 2023-04-18 |
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Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200163592Y1 (en) * | 1999-07-23 | 2000-02-15 | 대원토질주식회사 | An apparatus for multi-step grouting using frp tube |
| KR100731814B1 (en) * | 2005-12-28 | 2007-06-27 | 김현래 | Pressured multi-step grouting method and structure thereof |
| CN101761345A (en) * | 2010-01-12 | 2010-06-30 | 中国建筑西南勘察设计研究院有限公司 | Reinforcement device for tunnel top soil and construction method thereof |
| CN103758533A (en) * | 2014-01-06 | 2014-04-30 | 中国矿业大学 | High-low pressure integrated roadway grouting reinforcement method |
| CN204436413U (en) * | 2015-01-28 | 2015-07-01 | 武汉市市政建设集团有限公司 | The grouting device that a kind of integrating tunnel section of jurisdiction reinforces poor strata |
| CN105804767A (en) * | 2016-04-13 | 2016-07-27 | 安徽理工大学 | Surrounding rock supporting construction method and surrounding rock supporting structure of water-contained roadway of coal mine |
| CN109630155A (en) * | 2019-01-24 | 2019-04-16 | 宁波用躬科技有限公司 | A kind of top-bottom cross method for tunnel construction of different section type |
| CN110410123A (en) * | 2019-08-15 | 2019-11-05 | 河南理工大学 | A kind of New Coal Mine High Strength Roof Bolt Support equipment |
| CN209637774U (en) * | 2019-02-22 | 2019-11-15 | 中铁十一局集团城市轨道工程有限公司 | A kind of duct pieces of shield tunnel grouting device |
| CN110617095A (en) * | 2019-10-30 | 2019-12-27 | 湖北省电力勘测设计院有限公司 | Anchor rod |
| CN110630277A (en) * | 2019-10-25 | 2019-12-31 | 浙江大学城市学院 | Protective structure and construction method for existing tunnel under short-distance crossing working condition of shield |
| CN211573520U (en) * | 2019-12-31 | 2020-09-25 | 中铁建大桥工程局集团第二工程有限公司 | Grouting structure with small installation abrasion |
| CN112030964A (en) * | 2020-08-28 | 2020-12-04 | 浙大城市学院 | Positioning grouting anchor rod suitable for engineering seepage damage prevention and control and construction method thereof |
| CN112647972A (en) * | 2021-03-15 | 2021-04-13 | 中铁九局集团第四工程有限公司 | Shield tunnel segment orientation method |
| CN113266371A (en) * | 2021-06-15 | 2021-08-17 | 中交二公局萌兴工程有限公司 | Rock clamping fixing structure in weak surrounding rock small-clear-distance tunnel and construction method thereof |
| CN214738079U (en) * | 2021-01-07 | 2021-11-16 | 北京方圆恒基岩土工程技术有限公司 | Sleeve valve pipe slip casting rifle |
| CN216240675U (en) * | 2021-11-15 | 2022-04-08 | 安徽理工大学 | Sectional type tunnel sealing grouting device |
| CN114737997A (en) * | 2022-04-11 | 2022-07-12 | 北京市市政四建设工程有限责任公司 | Accurate grouting water plugging method suitable for fine sand and silty clay stratum |
| CN114991820A (en) * | 2022-06-20 | 2022-09-02 | 吉林大学 | Rotatable deep hole grouting device and grouting method |
-
2023
- 2023-02-13 CN CN202310100823.0A patent/CN115839244B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200163592Y1 (en) * | 1999-07-23 | 2000-02-15 | 대원토질주식회사 | An apparatus for multi-step grouting using frp tube |
| KR100731814B1 (en) * | 2005-12-28 | 2007-06-27 | 김현래 | Pressured multi-step grouting method and structure thereof |
| CN101761345A (en) * | 2010-01-12 | 2010-06-30 | 中国建筑西南勘察设计研究院有限公司 | Reinforcement device for tunnel top soil and construction method thereof |
| CN103758533A (en) * | 2014-01-06 | 2014-04-30 | 中国矿业大学 | High-low pressure integrated roadway grouting reinforcement method |
| CN204436413U (en) * | 2015-01-28 | 2015-07-01 | 武汉市市政建设集团有限公司 | The grouting device that a kind of integrating tunnel section of jurisdiction reinforces poor strata |
| CN105804767A (en) * | 2016-04-13 | 2016-07-27 | 安徽理工大学 | Surrounding rock supporting construction method and surrounding rock supporting structure of water-contained roadway of coal mine |
| CN109630155A (en) * | 2019-01-24 | 2019-04-16 | 宁波用躬科技有限公司 | A kind of top-bottom cross method for tunnel construction of different section type |
| CN209637774U (en) * | 2019-02-22 | 2019-11-15 | 中铁十一局集团城市轨道工程有限公司 | A kind of duct pieces of shield tunnel grouting device |
| CN110410123A (en) * | 2019-08-15 | 2019-11-05 | 河南理工大学 | A kind of New Coal Mine High Strength Roof Bolt Support equipment |
| CN110630277A (en) * | 2019-10-25 | 2019-12-31 | 浙江大学城市学院 | Protective structure and construction method for existing tunnel under short-distance crossing working condition of shield |
| CN110617095A (en) * | 2019-10-30 | 2019-12-27 | 湖北省电力勘测设计院有限公司 | Anchor rod |
| CN211573520U (en) * | 2019-12-31 | 2020-09-25 | 中铁建大桥工程局集团第二工程有限公司 | Grouting structure with small installation abrasion |
| CN112030964A (en) * | 2020-08-28 | 2020-12-04 | 浙大城市学院 | Positioning grouting anchor rod suitable for engineering seepage damage prevention and control and construction method thereof |
| CN214738079U (en) * | 2021-01-07 | 2021-11-16 | 北京方圆恒基岩土工程技术有限公司 | Sleeve valve pipe slip casting rifle |
| CN112647972A (en) * | 2021-03-15 | 2021-04-13 | 中铁九局集团第四工程有限公司 | Shield tunnel segment orientation method |
| CN113266371A (en) * | 2021-06-15 | 2021-08-17 | 中交二公局萌兴工程有限公司 | Rock clamping fixing structure in weak surrounding rock small-clear-distance tunnel and construction method thereof |
| CN216240675U (en) * | 2021-11-15 | 2022-04-08 | 安徽理工大学 | Sectional type tunnel sealing grouting device |
| CN114737997A (en) * | 2022-04-11 | 2022-07-12 | 北京市市政四建设工程有限责任公司 | Accurate grouting water plugging method suitable for fine sand and silty clay stratum |
| CN114991820A (en) * | 2022-06-20 | 2022-09-02 | 吉林大学 | Rotatable deep hole grouting device and grouting method |
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