CN111608695A - Shield constructs synchronous slip casting of construction and mends thick liquid system - Google Patents
Shield constructs synchronous slip casting of construction and mends thick liquid system Download PDFInfo
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- CN111608695A CN111608695A CN202010509355.9A CN202010509355A CN111608695A CN 111608695 A CN111608695 A CN 111608695A CN 202010509355 A CN202010509355 A CN 202010509355A CN 111608695 A CN111608695 A CN 111608695A
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- Prior art keywords
- grouting
- pipe
- grout
- supplementing
- synchronous
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- 238000010276 construction Methods 0.000 title claims abstract description 54
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 47
- 239000007788 liquid Substances 0.000 title claims description 14
- 238000007569 slipcasting Methods 0.000 title claims description 4
- 230000001502 supplementing effect Effects 0.000 claims abstract description 57
- 239000011440 grout Substances 0.000 claims abstract description 52
- 239000002002 slurry Substances 0.000 claims abstract description 45
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 38
- 235000019353 potassium silicate Nutrition 0.000 claims description 37
- 238000002347 injection Methods 0.000 claims description 29
- 239000007924 injection Substances 0.000 claims description 29
- 238000004140 cleaning Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 15
- 239000011435 rock Substances 0.000 description 10
- 239000004568 cement Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000013589 supplement Substances 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture 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
- 210000004911 serous fluid Anatomy 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a synchronous grouting and slurry supplementing system for shield construction, which comprises a grouting pump, a grouting pipe and a slurry supplementing pipe, wherein the grouting pump is connected with the grouting pipe; the grouting pipe is connected with a grouting pump and the shield machine; the grout supplementing pipe is connected with the grouting pump and is arranged in parallel with the grouting pipe; the slurry supplementing pipe is connected with the grouting hole of the pipe piece. The technical scheme of the invention realizes the function that the grouting pipe and the grout supplementing pipe share the same grouting pump so as to simultaneously carry out synchronous grouting and secondary grout supplementing, thereby achieving the effects of simplifying a grouting system for shield construction, improving the construction efficiency and reducing the construction cost.
Description
Technical Field
The invention relates to the technical field of construction grouting, in particular to a synchronous grouting and slurry supplementing system for shield construction.
Background
At present, in the technical field of tunnel shield construction, shield and grouting are carried out synchronously, so that grouting (slurry such as cement or concrete) can be carried out on a gap between a lining segment and rock simultaneously in a shield process, when synchronous grouting cannot completely fill the gap behind the lining segment wall, or when sand-gravel stratum and broken stratum lag settlement cannot be controlled, secondary grouting filling needs to be carried out on the gap behind the lining segment wall, and a pipeline which is synchronously grouted at the moment advances for a certain distance along with a shield machine.
Disclosure of Invention
The invention mainly aims to provide a synchronous grouting and slurry supplementing system for shield construction, and aims to simplify a grouting system, improve the construction efficiency and reduce the construction cost.
In order to achieve the purpose, the invention provides a shield construction synchronous grouting and grout supplementing system, which comprises: the grouting pump, the grouting pipe and the grout supplementing pipe; the grouting pipe is connected with the grouting pump and the shield machine; the grout supplementing pipe is connected with the grouting pump and is arranged in parallel with the grouting pipe; and the slurry supplementing pipe is connected with the grouting hole of the pipe piece.
In an embodiment of the invention, the shield construction synchronous grouting and slurry supplementing system further comprises a three-way pipe, a first control valve and a second control valve, wherein the grouting pipe and the slurry supplementing pipe are respectively connected with the grouting pump through the three-way pipe; the first control valve is arranged between the grouting pipe and the three-way pipe; the second control valve is arranged between the slurry supplementing pipe and the three-way pipe.
In an embodiment of the invention, the shield construction synchronous grouting and grout supplementing system further comprises a water glass injection pipe, and the water glass injection pipe is connected with the grouting hole.
In an embodiment of the invention, the shield construction synchronous grouting and grout supplementing system further comprises a distributor, and the grout supplementing pipe and the water glass injection pipe are connected with the grouting holes through the distributor.
In one embodiment of the present invention, the distributor is a four-way distributor; the synchronous grouting and grout supplementing system for shield construction further comprises a cleaning pipeline, and the water glass injection pipe, the grouting pipe and the cleaning pipeline are connected with the grouting holes through the distributor.
In an embodiment of the invention, the shield construction synchronous grouting and grout supplementing system further comprises a quick connector, wherein the quick connector is connected between the distributor and the grouting hole; and a third control valve is arranged on the quick joint.
In an embodiment of the invention, the water glass injection pipe is provided with a water glass pressure gauge and a one-way control valve.
In an embodiment of the present invention, a slurry pressure gauge is disposed at the outlet pipe of the distributor.
In an embodiment of the present invention, the shield construction synchronous grouting and grout-supplementing system further includes an access joint connected to the grout-supplementing pipe, and the access joint is inserted into the grouting hole.
In an embodiment of the invention, the shield construction synchronous grouting and slurry supplementing system further comprises a connecting pipe connected between the grouting pump and the three-way pipe, and a fourth control valve is arranged on the connecting pipe.
The shield construction synchronous grouting and grouting system comprises a grouting pump, a grouting pipe connected with the grouting pump and a grouting pipe connected with the grouting pump, wherein the grouting pipe is connected with a shield machine to realize the function of synchronous grouting of the grouting pipe along with the excavation action of the shield machine, meanwhile, the grouting pipe is connected with the grouting pipe in parallel, and the grouting pipe is connected with a grouting hole of a lining segment to realize the function of secondary grouting of the grouting pipe when a gap still exists between the lining segment and surrounding rocks, so that the grouting pipe and the grouting pipe share the same grouting pump to realize the function of simultaneous grouting and secondary grouting, and further, the effects of simplifying the grouting system, improving the construction efficiency and reducing the construction cost are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a shield construction synchronous grouting and grout-supplementing system of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Grouting pump | 2 | Grouting pipe |
| 3 | First control valve | 4 | |
| 5 | Slurry supplementing pipe | 6 | Second control valve |
| 7 | Lining segment | 8 | Grouting hole |
| 9 | Three- |
10 | Water |
| 11 | One- |
12 | Water |
| 13 | |
14 | Serous |
| 15 | |
16 | Control valve for |
| 17 | |
18 | |
| 19 | Connecting |
20 | |
| 21 | Access connector |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a synchronous grouting and grout-supplementing system for shield construction, which is applied to a shield construction site, wherein in the shield construction site, a shield machine 4 is used for excavating soil while advancing along the axis of a tunnel, meanwhile, a surrounding wall of the tunnel is supported by lining segments 7, and in the excavating process of the shield machine 4, the synchronous grouting and grout-supplementing system for shield construction fills grout (cement, concrete and the like) into a gap between the lining segments 7 and the wall so as to realize a reinforcing function and prevent surrounding rocks from collapsing or deforming.
In the embodiment of the invention, as shown in fig. 1, the synchronous grouting and grout-supplementing system for shield construction comprises a grouting pump 1, a grouting pipe 2 and a grout-supplementing pipe 5; one end of the grouting pipe 2 is connected with the grouting pump 1, and the other end of the grouting pipe 2 is connected with the shield tunneling machine 4; the grout supplementing pipe 5 is connected with the grouting pump 1 and is arranged in parallel with the grouting pipe 2; the grout pipe 5 is used for connecting with a grouting hole 8 of a lining segment 7.
The grouting pump 1 is provided with a liquid inlet and a liquid outlet, a liquid inlet pipe of the grouting pump 1 is connected with a slurry storage tank, the liquid outlet pipe is connected with a grouting pipe 2 and a slurry supplementing pipe 5, the grouting pipe 2 is connected with a shield machine 4, the grouting pipe 2 can synchronously fill slurry at the rear position of the wall of a lining segment 7 in the excavation process of the shield machine 4, the shield machine 4 is always pushed forwards, the grouting pipe 2 can also move forwards along with the shield machine 4, when the grouting pipe 2 moves away and a gap still exists between the lining segment 7 and surrounding rocks, the grouting pump 1 can carry out secondary slurry supplementing operation from a grouting hole 8 of the lining segment 7 through the slurry supplementing pipe 5, and the grouting pipe 2 simultaneously carries out synchronous grouting operation at the front part along with the shield machine 4, so that the synchronous grouting and secondary slurry supplementing functions can be simultaneously carried out by only one grouting pump 1, the construction efficiency is improved, compare in need additionally to set up one set of benefit thick liquid system, this embodiment scheme has reduced the input space, has saved the cost.
It will be appreciated that the grouting pump 1 and the grouting pipe 2 may be provided on the shield machine 4 and can move together with the shield machine 4, and alternatively, the grouting pipe 2 may be a steel pipe having high strength. The concrete length of the grout supplementing pipe 5 is determined according to the distance between the position of the lining segment 7 to be supplemented with grout in actual need and the shield tunneling machine 4, namely the length of the grout supplementing pipe 5 is variable, and optionally, the grout supplementing pipe 5 can adopt a hose capable of bearing high pressure, such as a metal hose.
In the practical application process, the specific operation of synchronous grouting and secondary grouting can be determined according to the practical situation, if the synchronous grouting can completely fill the gap behind the wall of the lining segment 7, i.e. the secondary grouting is not needed, the grouting pipe 5 can be not conducted, and only the grouting pump 1 is conducted with the grouting pipe 2 at the moment, so that the grout only flows to the grouting pipe 2; when synchronous grouting cannot completely fill a gap behind the wall of a lining segment 7, secondary grouting operation is needed at the moment, a grouting pipe 5 and a grouting pump 1 can be conducted, whether the grouting pipe 2 and the grouting pump 1 are conducted or not can be determined according to whether the grouting pipe 2 and a shield machine 4 continue to work or not on the basis, and if the shield machine 4 is still excavating, the grouting pipe 2 and the grouting pipe 5 are conducted simultaneously, so that synchronous grouting and secondary grouting are conducted simultaneously; if the shield machine 4 stops excavating, the grouting pipe 2 is not conducted, only the grout supplementing pipe 5 is conducted to carry out secondary grout supplementing operation, at the moment, a grout supplementing system does not need to be additionally arranged, only the grout supplementing pipe 5 is connected to the original grouting pump 1, and the construction process is saved.
Of course, the grouting pipe 2 and the grout supplementing pipe 5 are both connected with the grouting pump 1, and it can be understood that the grouting pipe 2 and the grout supplementing pipe 5 can be directly connected with the grouting pump 1 or indirectly connected through a pipeline. When the grouting pipe 2 and the grout supplementing pipe 5 are directly connected, the grouting pipe 2 and the grout supplementing pipe 5 can be connected and disconnected in a control mode of the grouting pump 1; when indirectly connected, the on-off of the grouting pipe 2 and the grout supplementing pipe 5 can be realized by arranging a control valve on a pipeline.
The shield construction synchronous grouting and grouting system comprises a grouting pump 1, a grouting pipe 2 connected with the grouting pump 1 and a grouting pipe 5 connected with the grouting pump 1, wherein the grouting pipe 2 is connected with a shield machine 4 so as to realize the function that the grouting pipe 2 synchronously performs grouting along with the excavation action of the shield machine 4, meanwhile, the grouting pipe 5 is connected with the grouting pipe 2 in parallel, and the grouting pipe 5 is connected with a grouting hole 8 of a lining segment 7 so as to realize the function that the grouting pipe 5 performs secondary grouting when a gap still exists between the lining segment 7 and surrounding rocks, thereby realizing the function that the grouting pipe 2 and the grouting pipe 5 share the same grouting pump 1 so as to simultaneously perform synchronous grouting and secondary grouting, further achieving the effects of simplifying the shield construction grouting system, improving the construction efficiency and reducing the construction cost.
In an embodiment of the invention, as shown in fig. 1, the shield construction synchronous grouting and grout supplementing system further comprises a three-way pipe 9, a first control valve 3 and a second control valve 6, wherein the grouting pipe 2 and the grout supplementing pipe 5 are respectively connected with the grouting pump 1 through the three-way pipe 9; the first control valve 3 is arranged between the grouting pipe 2 and the three-way pipe 9; the second control valve 6 is arranged between the slurry supplementing pipe 5 and the three-way pipe 9.
The grouting pipe 2 and the slurry supplementing pipe 5 are respectively connected with two interfaces of the three-way pipe 9, the rest interface is connected with the grouting pump 1, and optionally, the three-way pipe 9 can adopt a three-way valve structure so as to control the on-off of the grouting pipe 2 and the slurry supplementing pipe 5 only through the three-way pipe 9. Of course, the three-way pipe 9 may only be a pipe fitting with three joints, and has no function of a valve, and the first control valve 3 may be disposed between the grouting pipe 2 and the three-way pipe 9 to control the on-off of the grouting pipe 2, and the second control valve 6 may be disposed between the grout pipe 5 and the three-way pipe 9 to control the on-off of the grout pipe 5.
Alternatively, the first control valve 3 may be a solenoid valve to enable better control of the make-and-break of the grouting pipe 2. Alternatively, the second control valve 6 may be a solenoid valve to enable better control of the make-up pipe 5.
In order to improve the filling efficiency of the lining segment 7 after the wall is filled and further strengthen the supporting function of the lining segment 7, as shown in fig. 1, the shield construction synchronous grouting and grouting system further comprises a water glass injection pipe 10, and the water glass injection pipe 10 is connected with the grouting hole 8. The water glass injection pipe 10 is used for injecting a water glass solution into the grouting hole 8, wherein the water glass solution is a sodium silicate solution, is an ore binder and has the effect of accelerating the coagulation of cement or concrete.
In the practical application process, the injection opportunity of water glass solution needs to be decided according to actual conditions, if when the space between lining segment 7 and the surrounding rock is great, the accessible now pours water glass solution into slip casting hole 8 with cement or concrete slurry mixture for the speed that cement or concrete condense is accelerated, has avoided the circumstances that surrounding rock or lining segment 7 collapse or warp to take place. When the gap between the lining segment 7 and the surrounding rock is small, only water glass solution, cement grout or concrete grout can be injected at this time.
Optionally, a water glass pressure gauge 12 and a one-way control valve 11 are arranged on the water glass injection pipe 10, and the water glass pressure gauge 12 is used for detecting the pressure in the water glass injection pipe 10 to prevent the water glass injection pipe 10 from being burst and the impact on the surrounding rock behind the wall of the lining segment 7 from being too large due to too large injection pressure of the water glass solution. The one-way control valve 11 enables the water glass solution to be injected in one way in the water glass injection pipe 10, and prevents the slurry in the slurry supplementing pipe 5 from flowing back into the water glass injection pipe 10 to be mixed and solidified with the water glass solution to cause pipe blockage.
In an embodiment of the present invention, as shown in fig. 1, the shield construction synchronous grouting and grout-supplementing system further includes a distributor 13, and the grout-supplementing pipe 5 and the water glass injection pipe 10 are both connected to the grouting hole 8 through the distributor 13. The distributor 13 is used for distributing the injection amount of each slurry to realize the function of single-liquid slurry supplement or double-liquid slurry supplement, and only cement or concrete slurry in the slurry supplement pipe 5 or only water glass solution in the water glass injection pipe 10 can be injected during single-liquid slurry supplement; when double-liquid grout is used for grout supplement, grout in the grout supplement pipe 5 and water glass solution in the water glass injection pipe 10 can be mixed at the distributor 13, and then the mixed grout is injected into a gap between the wall of the lining segment 7 and surrounding rocks.
Optionally, the distributor 13 is a four-way distributor. The synchronous grouting and grout supplementing system for shield construction further comprises a cleaning pipeline 15, and the water glass injection pipe 10, the grouting pipe 5 and the cleaning pipeline 15 are connected with the grouting holes 8 through distributors 13. The cleaning pipeline 15 is used for flushing the pipeline after grouting and grout supplementing are finished so as to prevent the pipeline in the synchronous grouting and grout supplementing system in shield construction from being scrapped due to pipe blockage. When the pipe is cleaned, the distributor 13 may be detached from the injection hole 8, and then clean water is injected through the cleaning line 15 to clean the distributor 13, the injection pipe 5, and the injection pipe 2.
Optionally, a slurry pressure gauge 14 is provided at the outlet of the distributor 13. The slurry pressure gauge 14 is used for detecting the pressure of the slurry injected into the slurry injection hole 8, so as to prevent the situation that the pressure is too large to cause large impact or the pressure is too small to cause poor injection effect.
In order to more quickly connect or remove the secondary grout-filling pipeline, as shown in fig. 1, the shield construction synchronous grouting and grout-filling system further comprises a quick connector 17, wherein the quick connector 17 is connected between the distributor 13 and the grouting hole 8; the quick coupling 17 is provided with a third control valve 18. The quick coupling 17 functions to connect the distributor 13 with the grout hole 8 so that the distributor 13 can be quickly inserted into the grout hole 8 or quickly removed from the grout hole 8. The quick joint 17 is provided with a third control valve 18 to control the on-off of the quick joint 17.
Further, as shown in fig. 1, the shield construction synchronous grouting and grout-supplementing system further includes an access joint 21 connected to the grout-supplementing pipe 5, and the access joint 21 is inserted into the grouting hole 8. The access joint 21 is inserted into the grouting hole 8 for the insertion of the grout pipe 5, so as to realize the effective connection between the grout pipe 5 and the grouting hole 8 and prevent the situation that the grout adheres to the grouting hole 8 and blocks the grouting hole 8.
Alternatively, on the basis of the above-mentioned embodiment, it can be understood that the slurry supplementing pipe 5 is connected to the distributor 13, the distributor 13 is connected to the quick coupling 17, and the quick coupling 17 is connected to the access coupling 21, so that the connection of the slurry supplementing pipe 5 and the grouting hole 8 is realized.
In an embodiment of the present invention, as shown in fig. 1, the synchronous grouting and grout-supplementing system for shield construction further includes a connecting pipe 19 connected between the grouting pump 1 and the three-way pipe 9, and a fourth control valve 20 is disposed on the connecting pipe 19. The connecting pipe 19 is connected between the three-way pipe 9 and the grouting pump 1, the fourth control valve 20 is arranged on the connecting pipe 19 to realize effective control of slurry supply, and the function of stopping slurry supply can be realized only by closing the fourth control valve 20.
Optionally, the pipelines can be detachably connected, and when grouting is needed, the pipelines and the pipelines can be installed in a butt joint mode so as to achieve smooth circulation of slurry; when grouting stops and the pipeline needs to be cleaned, the grout supplementing pipe 5 and the three-way pipe 9 can be detached, or the three-way pipe 9 and the connecting pipe 19 are detached, so that cleaning liquid is prevented from entering the grouting pump 2 to damage the pump body, and meanwhile, grout in the grout supplementing pipe 5, the three-way pipe 9 and the grouting pipe 2 can be smoothly washed away.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a shield constructs synchronous slip casting of construction and mends thick liquid system, is applied to the shield and constructs the job site, its characterized in that includes:
grouting pump;
the grouting pipe is connected with the grouting pump and the shield machine; and
the slurry supplementing pipe is connected with the grouting pump and is arranged in parallel with the grouting pipe; and the slurry supplementing pipe is connected with the grouting hole of the pipe piece.
2. The synchronous grouting and grout-supplementing system for shield construction according to claim 1, further comprising a three-way pipe, a first control valve and a second control valve, wherein the grouting pipe and the grout-supplementing pipe are respectively connected with the grouting pump through the three-way pipe; the first control valve is arranged between the grouting pipe and the three-way pipe; the second control valve is arranged between the slurry supplementing pipe and the three-way pipe.
3. The shield construction synchronous grouting and grout-supplementing system according to claim 2, further comprising a water glass injection pipe connected with the grouting hole.
4. The synchronous grouting and grout-supplementing system for shield construction according to claim 3, further comprising a distributor, wherein the grout-supplementing pipe and the water glass injection pipe are both connected with the grouting holes through the distributor.
5. The synchronous grouting and grout-supplementing system for shield construction according to claim 4, wherein the distributor is a four-way distributor; the synchronous grouting and grout supplementing system for shield construction further comprises a cleaning pipeline, and the water glass injection pipe, the grouting pipe and the cleaning pipeline are connected with the grouting holes through the distributor.
6. The shield construction synchronous grouting and grout-supplementing system according to claim 4 or 5, further comprising a quick coupling connected between the distributor and the grouting hole; and a third control valve is arranged on the quick joint.
7. The synchronous grouting and grout-supplementing system for shield construction according to claim 3 or 4, wherein a water glass pressure gauge and a one-way control valve are arranged on the water glass injection pipe.
8. The synchronous grouting and slurry supplementing system for shield construction according to claim 4 or 5, wherein a slurry pressure gauge is arranged at the liquid outlet pipe of the distributor.
9. The system for synchronously grouting and grout-supplementing during shield construction according to any one of claims 1 to 5, further comprising an access joint connected with the grout-supplementing pipe, wherein the access joint is inserted into the grouting hole.
10. The synchronous grouting and grout-supplementing system for shield construction according to any one of claims 2 to 5, further comprising a connecting pipe connected between the grouting pump and the three-way pipe, wherein a fourth control valve is arranged on the connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010509355.9A CN111608695A (en) | 2020-06-05 | 2020-06-05 | Shield constructs synchronous slip casting of construction and mends thick liquid system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010509355.9A CN111608695A (en) | 2020-06-05 | 2020-06-05 | Shield constructs synchronous slip casting of construction and mends thick liquid system |
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| Publication Number | Publication Date |
|---|---|
| CN111608695A true CN111608695A (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010509355.9A Pending CN111608695A (en) | 2020-06-05 | 2020-06-05 | Shield constructs synchronous slip casting of construction and mends thick liquid system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228116A (en) * | 2020-10-27 | 2021-01-15 | 中铁十二局集团有限公司 | Construction method for synchronous slurry supplement in shield construction of water-rich stratum |
| CN113217037A (en) * | 2021-06-25 | 2021-08-06 | 中铁二局集团有限公司 | Backfill system and backfill method for single shield TBM or behind shield segment wall |
| TWI784775B (en) * | 2021-10-29 | 2022-11-21 | 潛盾工程有限公司 | The second backfill grouting structure for the protection of underground engineering shield tunnel buildings |
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| CN102733821A (en) * | 2012-06-19 | 2012-10-17 | 浙江大学 | Secondary double-liquid slurry re-grouting method capable of effectively controlling surface deformation |
| CN103244132A (en) * | 2013-04-28 | 2013-08-14 | 上海市机械施工有限公司 | Construction method for crossing houses by aid of shield tunneling machine in sandy soil and slurry injecting system |
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| CN112228116A (en) * | 2020-10-27 | 2021-01-15 | 中铁十二局集团有限公司 | Construction method for synchronous slurry supplement in shield construction of water-rich stratum |
| CN113217037A (en) * | 2021-06-25 | 2021-08-06 | 中铁二局集团有限公司 | Backfill system and backfill method for single shield TBM or behind shield segment wall |
| CN113217037B (en) * | 2021-06-25 | 2022-08-30 | 中铁二局集团有限公司 | Backfill system and backfill method for single shield TBM or behind shield segment wall |
| TWI784775B (en) * | 2021-10-29 | 2022-11-21 | 潛盾工程有限公司 | The second backfill grouting structure for the protection of underground engineering shield tunnel buildings |
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Application publication date: 20200901 |