CN210164490U - A strengthen anchor for tunnel gushing water, gushing mud - Google Patents
A strengthen anchor for tunnel gushing water, gushing mud Download PDFInfo
- Publication number
- CN210164490U CN210164490U CN201920599534.9U CN201920599534U CN210164490U CN 210164490 U CN210164490 U CN 210164490U CN 201920599534 U CN201920599534 U CN 201920599534U CN 210164490 U CN210164490 U CN 210164490U
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- Prior art keywords
- pipe
- hollow grouting
- side hollow
- tray
- anchor rod
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000011440 grout Substances 0.000 claims abstract description 39
- 238000004873 anchoring Methods 0.000 claims abstract description 19
- 239000004570 mortar (masonry) Substances 0.000 claims description 15
- 230000009172 bursting Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000005728 strengthening Methods 0.000 abstract description 2
- 238000007569 slipcasting Methods 0.000 description 8
- 239000002689 soil Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 239000011435 rock Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model relates to a tunnel supporting technical field. A strengthening anchoring device for water and mud outburst of a tunnel comprises an inner side hollow grouting pipe, an outer side hollow grouting anchor rod, a pressure detector, an alarm and a control module, wherein the inner side hollow grouting pipe is sleeved inside the outer side hollow grouting anchor rod; a lengthened tray is arranged between the outer pipe grout stopping plug and the inner pipe grout stopping plug; the pressure detector is arranged in the position close to the outer pipe grout stop plug in the drainage pipe; alarm and control module set up in the outside of drain pipe, the controller respectively with pressure detector and alarm electric connection, the utility model discloses can effectively dredge water pressure, reduce the probability that the tunnel takes place gushing water, gushing mud, can also carry out long-term regional monitoring feedback real-time information to easy gushing water, gushing mud region.
Description
Technical Field
The utility model relates to a tunnel supporting technical field, in particular to a strengthen anchor that is used for tunnel gushing water, gushes mud.
Background
As large-scale engineering construction continues to evolve, many projects face complex problems. In the tunnel construction and construction process, water inrush and mud inrush disasters threaten life and also greatly hinder engineering development and increase economic load. The water inrush and mud inrush of the tunnel refer to sudden water inrush and mud inrush occurring in the tunneling process of the tunnel, and the water inrush and mud inrush are caused by the fact that advanced water exploration is not carried out in the tunneling process of the tunnel, so that a water-resisting layer is excavated through, and underground water flows into the tunnel to form water inrush; or when the tunnel is close to the aquifer, the water pressure around the tunnel is larger, and in addition, the rock and soil mass around the tunnel is weak and loose, so that the periphery and the front of the tunnel are broken by underground water to form water burst and mud burst. Many tunnels usually pass through areas with complicated geological structures, especially southern areas, and water-rich soft rock or soil in the stratum are easy to cause water burst or mud burst disasters in areas with deep burial depths.
The main means for treating water burst and mud burst of the tunnel at present is control by means of grouting, but the main limitation of the treatment method is that the treatment is temporary solution and permanent solution. Once a water-rock-soil body grouting bearing partition area is formed by local grouting, water pressure is increased continuously due to the fact that water inside the rock-soil body cannot be effectively discharged through extrusion, and secondary water inrush and mud inrush damage are prone to occurring due to the fact that effective information between the water pressure and the rock-soil partition body is lacked within a certain period of time. For this purpose, a structurally sound anchoring device is required for reinforcing the tunnel edge.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model aims to provide a strengthen anchor for tunnel gushing water, suddenly mud, this anchor is rational in infrastructure reliable, strengthens the loose rock soil body through this anchor slip casting, silt loss when can reducing tunnel gushing water, can effectively dredge the water pressure and further reduce the tunnel and take place the probability of gushing water, suddenly mud, simultaneously, can also carry out long-term regional monitoring feedback real-time information to easy gushing water, suddenly mud region.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a strengthening anchoring device for water burst and mud burst of a tunnel comprises an inner side hollow grouting pipe, an outer side hollow grouting anchor rod, a pressure detector, an alarm and a control module, wherein,
the inner side hollow grouting pipe is sleeved inside the outer side hollow grouting anchor rod, the outer diameter of the inner side hollow grouting pipe is smaller than the inner diameter of the outer side hollow grouting anchor rod, so that a gap is formed between the outer side hollow grouting anchor rod and the inner side hollow grouting pipe, one end of the inner side hollow grouting pipe is provided with an anchoring end baffle, and the other end of the inner side hollow grouting pipe is provided with an inner pipe grout stop plug for preventing mortar from flowing into the inner side hollow grouting pipe;
the side wall of the outer side hollow grouting anchor rod is provided with a plurality of grouting holes, the outer side hollow grouting anchor rod is provided with a grout inlet end, the grout inlet end is close to one side of the inner pipe grout stop plug, the grout inlet end is detachably connected with a drain pipe, and an outer pipe grout stop plug used for preventing mortar from flowing into the drain pipe is arranged at the position, close to the drain pipe, of the grout inlet end; a lengthened tray is arranged between the outer pipe grout stopping plug and the inner pipe grout stopping plug;
the pressure detector is arranged in the position, close to the outer pipe grout stop plug, in the drainage pipe and used for detecting the pressure in the drainage pipe to generate a pressure detection value;
alarm and control module set up the outside of drain pipe, the controller respectively with pressure detector with alarm electric connection.
Further the extension tray includes first extension tray and second extension tray, first extension tray and second extension tray are rectangular shape, all be equipped with an anchor eye on microscler recess and the microscler boss, outside cavity slip casting stock passes the anchor eye that first extension tray and second extension tray overlapped makes first extension tray and second extension tray can wind the anchor eye rotates outside cavity slip casting stock.
Further, the lengthened tray is fixed on the outer side hollow grouting anchor rod through a nut.
Further, the length of the inner side hollow grouting pipe is smaller than that of the outer side hollow grouting anchor rod.
Furthermore, a layer of plastic film is arranged on the outer surface of the inner hollow grouting pipe.
Further, the outer side hollow grouting anchor rod is in threaded connection with the inner side hollow grouting pipe; the outside hollow grouting anchor rod is connected with the drain pipe through threads.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
1. the utility model discloses a be used for tunnel gushing water, the enhancement anchor of gushing mud is rational in infrastructure reliable, the slip casting is effectual, construction speed is fast, strengthen the loose rock soil body through this anchor slip casting, can restrain the deformation and the destruction that the tunnel encloses the edge, also have stronger anchor ability in geology bad section, can reduce tunnel gushing water, silt loss when gushing mud, it can effectively dredge through the water pressure and further reduce the tunnel and take place the gushing water to advance thick liquid end detachably connection of outside cavity slip casting stock, the probability of gushing mud, and simultaneously, through setting up thermodetector, alarm and control module can also be to easy gushing water, gushing mud region carries out long-term regional monitoring feedback real-time information.
2. The utility model discloses a set up the extension tray, can carry out the enhancement of "diversified, multi-angle, multiaspect volume" and strut according to actual conditions, the extension tray is including the first extension tray and the second extension tray that can the arbitrary direction carry out the combination that superposes, can apply sufficient prestressing force to anchor, and extension tray compressive capacity is strong, the bearing capacity is big.
Drawings
Fig. 1 is a schematic structural view of a reinforced anchoring device for water burst and mud burst in a tunnel according to the present invention;
FIG. 2 is a schematic structural view of the inner hollow grouting pipe of the present invention;
FIG. 3 is a schematic view of the assembly structure of the lengthened tray of the present invention;
FIG. 4 is a schematic structural view of a first elongated tray and a second elongated tray of the present invention;
wherein, labeled in the figures: 1-hollow grouting pipe on inner side; 2-outside hollow grouting anchor rod; 3-a pressure detector; 4-an alarm; 5-a control module; 6-anchoring end baffles; 7-inner tube grout stop plug; 8-grouting holes; 9-a drain pipe; 10-outer tube grout stop plug; 11-lengthening a tray; 1101-a first elongated tray; 1102-a second elongated tray; 1103-anchor eye; 1104-grooves; 1105-a boss; 12-nut.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, a reinforced anchoring device for water and mud bursting in a tunnel includes an inner hollow grouting pipe 1, an outer hollow grouting anchor rod 2, a pressure detector 3, an alarm 4 and a control module 5, wherein,
the inner hollow grouting pipe 1 is sleeved inside the outer hollow grouting anchor rod 2, the length of the inner hollow grouting pipe 1 is smaller than that of the outer hollow grouting anchor rod 2, the outer diameter of the inner hollow grouting pipe 1 is smaller than the inner diameter of the outer hollow grouting anchor rod 2, so that a gap is formed between the outer hollow grouting anchor rod 2 and the inner hollow grouting pipe 1, one end of the inner hollow grouting pipe 1 is provided with an anchoring end baffle 6, the anchoring end baffle 6 is installed at the end part of the inner hollow grouting pipe 1 and is used for facilitating fixing of the inner hollow grouting pipe 1, and the other end of the inner hollow grouting pipe 1 is provided with an inner pipe grout stop plug 7 for preventing mortar from flowing into the inner hollow grouting pipe 1;
the side wall of the outer side hollow grouting anchor rod 2 is provided with a plurality of grouting holes 8, the outer side hollow grouting anchor rod 2 is provided with a grout inlet end, the grout inlet end is close to one side of the inner pipe grout stop plug 7, the grout inlet end is detachably connected with a drain pipe 9, and the part of the grout inlet end close to the drain pipe 9 is provided with an outer pipe grout stop plug 10 for preventing mortar from flowing into the drain pipe 9; a lengthened tray 11 is arranged between the outer pipe grout stopping plug 10 and the inner pipe grout stopping plug 7; the lengthened tray 11 is fixed on the outside hollow grouting anchor rod 2 through a nut 12;
the pressure detector 3 is arranged in the drain pipe 9 at a position close to the outer pipe grout stop plug 10, and the pressure detector 3 is used for detecting the pressure in the drain pipe 9 to generate a pressure detection value;
alarm 4 and control module 5 set up in the outside of drain pipe 9, the controller respectively with pressure detector 3 and alarm 4 electric connection, control module 5 is used for when pressure measurement value more than or equal to predetermines the pressure threshold value, control alarm 4 sends alarm signal.
The utility model discloses a loose rock soil body is strengthened in this anchor grouting, can restrain the tunnel and enclose deformation and destruction along, also have stronger anchoring ability in geology bad area, can reduce tunnel gushing water, silt loss when gushing mud, be connected with drain pipe 9 through the end detachably that advances of outside cavity slip casting stock 2 and can effectively dredge water pressure and further reduce the tunnel and take place the gushing water, the probability of gushing mud, and simultaneously, through setting up thermodetector 3, alarm 4 and control module 5 can also be to easy gushing water, gushing mud region carries out long-term regional monitoring feedback real-time information.
Referring to fig. 3-4, the extension tray 11 includes a first extension tray 1101 and a second extension tray 1102, the first extension tray 1101 and the second extension tray 1102 are elongated, each of the elongated grooves 1104 and the elongated bosses 1105 has an anchor hole 1103, and the outer hollow grouting bolt 2 passes through the overlapped anchor holes 1103 of the first extension tray 1101 and the second extension tray 1102, so that the first extension tray 1101 and the second extension tray 1103 can rotate around the outer hollow grouting bolt 2. The lengthened tray 11 can be superposed and combined in any direction, sufficient prestress can be applied to the anchoring device, and the lengthened tray 11 is strong in pressure resistance and large in bearing capacity. In this embodiment, the first elongated tray 1101 and the second elongated tray 1102 can be inserted into each other, the anchor holes 1103 of the first elongated tray 1101 have grooves 1104 with concave surfaces, the anchor holes 1103 of the second elongated tray 1102 have bosses 1105 with convex surfaces, and the first elongated tray 1101 and the second elongated tray 1102 can be inserted into each other to form 90 ° and can be combined in any direction without using an insertion manner.
The outer surface of the inner side hollow grouting pipe 1 is provided with a layer of plastic film, so that mortar can be prevented from being bonded with the inner side hollow grouting pipe 1, and the inner side hollow grouting pipe 1 can be conveniently taken out from the outer side hollow grouting anchor rod 2 after grouting is completed.
The outer side hollow grouting anchor rod 2 is connected with the inner side hollow grouting pipe 1 through threads; the outside hollow grouting anchor rod 2 is connected with the drain pipe 9 through threads. The outer wall of one end, close to the inner pipe grout stop plug 7, of the inner hollow grouting pipe 1 is provided with an external thread, the inner wall, close to the inner pipe grout stop plug 7, of the outer hollow grouting anchor rod 2 is provided with an internal thread matched with the external thread, the inner hollow grouting pipe 1 is provided with a part with the external thread, the diameter of the pipe is slightly larger than that of the part without the thread, and therefore mortar can better enter a gap between the outer hollow grouting anchor rod 2 and the inner hollow grouting pipe 1 under the pressure of a grouting pump.
The utility model relates to a strengthen anchor device for tunnel gushing water, suddenly mud installs in the tunnel that easily takes place gushing water, suddenly mud to refer to slip casting stock conventional construction method, its specific construction method is:
firstly, drilling holes, namely drilling holes at specified positions according to the parameter requirements of grouting anchor rods of design specifications;
secondly, sleeving the inner hollow grouting pipe 1 in the outer hollow grouting anchor rod 2 for combination, installing an inner pipe grout stop plug 7 on the inner hollow grouting pipe 1 to prevent mortar from flowing into the inner hollow grouting pipe 1, and installing a first lengthened tray 1101 and a second lengthened tray 1102 on the outer hollow grouting anchor rod 2 according to actual needs;
thirdly, high-pressure grouting is carried out on the gap between the outer side hollow grouting anchor rod 2 and the inner side hollow grouting pipe 1 by using a grouting pump, so that mortar fills the gap between the outer side hollow grouting anchor rod 2 and the inner side hollow grouting pipe 1, the mortar flows out from the grouting hole 8 to fill the contact part of the outer side hollow grouting anchor rod 2 and the tunnel, the anchoring device is fastened in the tunnel, and an outer pipe grout stop plug 10 is arranged on the outer side hollow grouting anchor rod 2 after grouting is finished, so that the mortar is prevented from flowing into a drain pipe 9 to be connected next step from the outer side hollow grouting anchor rod 2;
and fourthly, after the mortar is solidified, detaching the anchoring end baffle 6 and taking out the inner hollow grouting pipe 1 to enable the side wall of the inner hollow grouting anchor rod 2 to form a cavity with the mortar, connecting the mortar inlet end of the outer hollow grouting anchor rod 2 with a drain pipe 9, installing a pressure detector 3, an alarm 4 and a control module 5, and performing long-term drainage and pressure information feedback.
The utility model discloses can also install the flowmeter in drain pipe 9 according to actual need for detect the displacement of flowing through drain pipe 9.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (6)
1. The utility model provides a strengthen anchor for tunnel gushing water, gushing mud which characterized in that: comprises an inner side hollow grouting pipe, an outer side hollow grouting anchor rod, a pressure detector, an alarm and a control module, wherein,
the inner side hollow grouting pipe is sleeved inside the outer side hollow grouting anchor rod, the outer diameter of the inner side hollow grouting pipe is smaller than the inner diameter of the outer side hollow grouting anchor rod, so that a gap is formed between the outer side hollow grouting anchor rod and the inner side hollow grouting pipe, one end of the inner side hollow grouting pipe is provided with an anchoring end baffle, and the other end of the inner side hollow grouting pipe is provided with an inner pipe grout stop plug for preventing mortar from flowing into the inner side hollow grouting pipe;
the side wall of the outer side hollow grouting anchor rod is provided with a plurality of grouting holes, the outer side hollow grouting anchor rod is provided with a grout inlet end, the grout inlet end is close to one side of the inner pipe grout stop plug, the grout inlet end is detachably connected with a drain pipe, and an outer pipe grout stop plug used for preventing mortar from flowing into the drain pipe is arranged at the position, close to the drain pipe, of the grout inlet end; a lengthened tray is arranged between the outer pipe grout stopping plug and the inner pipe grout stopping plug;
the pressure detector is arranged in the position, close to the outer pipe grout stop plug, in the drainage pipe and used for detecting the pressure in the drainage pipe to generate a pressure detection value;
alarm and control module set up the outside of drain pipe, control module respectively with pressure detector with alarm electric connection.
2. A reinforced anchoring device for water and mud bursting of tunnels according to claim 1, wherein: the lengthened tray comprises a first lengthened tray and a second lengthened tray, the first lengthened tray and the second lengthened tray are in long strip shapes, grooves with surfaces concave inwards are formed in the first lengthened tray, bosses with surfaces convex upwards are formed in the surfaces of the second lengthened tray, anchor holes are formed in the grooves and the bosses, and the outer side hollow grouting anchor rod penetrates through the overlapped anchor holes of the first lengthened tray and the second lengthened tray, so that the first lengthened tray and the second lengthened tray can rotate around the outer side hollow grouting anchor rod.
3. A reinforced anchoring device for water and mud bursting of tunnels according to claim 2, wherein: the lengthened tray is fixed on the outer side hollow grouting anchor rod through a nut.
4. A reinforced anchoring device for water and mud bursting of tunnels according to claim 1, wherein: the length of the inner side hollow grouting pipe is smaller than that of the outer side hollow grouting anchor rod.
5. A reinforced anchoring device for water and mud bursting of tunnels according to claim 1, wherein: and a layer of plastic film is arranged on the outer surface of the inner hollow grouting pipe.
6. A reinforced anchoring device for water and mud bursting of tunnels according to claim 1, wherein: the outer side hollow grouting anchor rod is connected with the inner side hollow grouting pipe through threads; the outside hollow grouting anchor rod is connected with the drain pipe through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920599534.9U CN210164490U (en) | 2019-04-28 | 2019-04-28 | A strengthen anchor for tunnel gushing water, gushing mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920599534.9U CN210164490U (en) | 2019-04-28 | 2019-04-28 | A strengthen anchor for tunnel gushing water, gushing mud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210164490U true CN210164490U (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920599534.9U Expired - Fee Related CN210164490U (en) | 2019-04-28 | 2019-04-28 | A strengthen anchor for tunnel gushing water, gushing mud |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412509A (en) * | 2020-11-30 | 2021-02-26 | 中铁七局集团第三工程有限公司 | Grouting anchor rod device with underground water drainage function and using method thereof |
-
2019
- 2019-04-28 CN CN201920599534.9U patent/CN210164490U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412509A (en) * | 2020-11-30 | 2021-02-26 | 中铁七局集团第三工程有限公司 | Grouting anchor rod device with underground water drainage function and using method thereof |
| CN112412509B (en) * | 2020-11-30 | 2023-10-13 | 中铁七局集团第三工程有限公司 | Grouting anchor rod device with underground water drainage function and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 530200 No.21 Pingle Avenue, Liangqing District, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI ROAD AND BRIDGE ENGINEERING GROUP Co.,Ltd. Address before: 530011 Zhonghua Road 17, Xingning District, the Guangxi Zhuang Autonomous Region, Nanning Patentee before: GUANGXI ROAD AND BRIDGE ENGINEERING GROUP Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200320 |