CN114607386B - Single-layer well wall with stubble-connecting water-stopping structure and grouting system and construction method thereof - Google Patents
Single-layer well wall with stubble-connecting water-stopping structure and grouting system and construction method thereof Download PDFInfo
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- 239000002356 single layer Substances 0.000 title claims abstract description 30
- 238000010276 construction Methods 0.000 title claims abstract description 29
- 239000010410 layer Substances 0.000 claims abstract description 99
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000004567 concrete Substances 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 6
- 230000005641 tunneling Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000008014 freezing Effects 0.000 abstract description 7
- 238000007710 freezing Methods 0.000 abstract description 7
- 239000002131 composite material Substances 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 5
- 239000002002 slurry Substances 0.000 description 10
- 238000009335 monocropping Methods 0.000 description 9
- 239000004033 plastic Substances 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
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- 230000000750 progressive effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/11—Lining shafts; Linings therefor with combinations of different materials, e.g. wood, metal, concrete
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Abstract
The invention discloses a single-layer well wall with a stubble-connecting water-stopping structure and a grouting system and a construction method thereof, which belong to the technical field of mine construction engineering. The single-layer well wall provided by the invention has good integral water sealing performance, is convenient to construct, has the cost far lower than that of a double-layer well wall and a double-layer composite well wall, and is suitable for a well bore cut by a freezing method and a well bore cut by a common method or a grouting method.
Description
Technical Field
The invention relates to the technical field of mine construction engineering, in particular to a single-layer well wall with a stubble water stopping structure and a grouting system and a construction method thereof.
Background
The well bore in the water-rich stratum in China is mostly excavated by adopting a manual freezing method, and the main stream of supporting structures are double-layer reinforced concrete composite well walls with plastic interlayers (called as double-layer composite well walls for short). For water-rich rock formations, there are also double-layer reinforced concrete walls (referred to as "double walls") without plastic interlayers for engineering. In the two well wall structures, the outer well wall has the main functions of resisting the formation pressure and the construction load in the construction period, and the outer well wall and the inner well wall jointly resist the formation pressure in the service period. Because more construction joints exist, the outer layer well wall cannot resist the underground water pressure. The inner layer well wall has the main function of resisting the pressure of underground water in the service period, and the inner layer well wall and the outer layer well wall jointly resist the pressure of stratum.
The thickness of the inner layer well wall designed according to the current specifications is rapidly increased along with the increase of the depth of the well shaft no matter the double layer well wall or the double layer composite well wall, so that the problems of freezing of the well shaft, rapid increase of the amount of the tunneling and building engineering, great extension of the construction period, severe mass concrete anti-cracking of the inner layer well wall and the like are caused.
From the development history of the freezing sinking technology in China, the frozen well wall is developed into a double layer from a single layer, and the main reason is that the single layer well wall has poor water sealing performance, and underground water after the frozen wall is thawed flows into the well bore through the well wall, so that the normal use of the well bore is affected. If the water sealing performance of the single-layer well wall can be improved, the well wall can be changed into a single layer from a double layer, so that the supporting problem of the deep freezing well is solved.
The main channel of the single-layer well wall leakage water is the construction joint of the upper and lower sections of the well wall, and the patent 'single-layer well wall with joint plates and construction method thereof' (200610088128.3) provides a technical scheme for improving the joint leakage resistance. The patent adds a stubble connecting plate at the construction stubble connecting position, and changes the contact of new and old concrete of the upper section and the lower section of the well wall into the contact of the stubble connecting plate and the concrete, thereby reducing the permeability of the stubble connecting position.
Disclosure of Invention
In view of the above, the invention provides a single-layer well wall with a stubble-connecting water-stopping structure and a grouting system and a construction method thereof. The single-layer well wall has good integral water sealing performance, is convenient to construct, has the cost far lower than that of a double-layer well wall and a double-layer composite well wall, and is suitable for a well bore cut by a freezing method and a well bore cut by a common method or a grouting method.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a single-layer well wall with a stubble-connecting water-stopping structure and a grouting system is characterized in that stubble-connecting is formed at the contact position of an upper-section well wall and a lower-section well wall, a water-stopping plate and a filling layer are arranged on the outer side of the stubble-connecting layer, and the water-stopping plate and the filling layer are combined to form the water-stopping structure of the single-layer well wall.
Further, the system comprises a filling layer grouting system, wherein the filling layer grouting system comprises a filling layer circumferential grouting pipe and a filling layer radial grouting pipe, the filling layer circumferential grouting pipe is connected with the filling layer radial grouting pipe through a pipeline, and the filling layer circumferential grouting pipe is paved in the filling layer.
Further, the continuous cropping grouting device comprises a continuous cropping grouting system, wherein the continuous cropping grouting system comprises a continuous cropping grouting pipeline, the continuous cropping grouting pipeline comprises a continuous cropping circumferential grouting pipe and a continuous cropping radial grouting pipe, and the continuous cropping circumferential grouting pipe is connected with the continuous cropping radial grouting pipe.
Further, the stubble-connecting grouting system further comprises a stubble-connecting grouting-stopping pipeline, the stubble-connecting grouting-stopping pipeline comprises a stubble-connecting grouting-stopping pipe and a stubble-connecting grouting-stopping pipe joint, the stubble-connecting grouting-stopping pipe joint is arranged on the stubble-connecting grouting-stopping pipe, and the stubble-connecting grouting-stopping pipe is positioned on the central side of the stubble-connecting annular grouting pipe close to a shaft.
A construction method of a single-layer well wall with a stubble water stopping structure and a grouting system comprises the following steps:
s1, tunneling a construction section height, leveling a working face of a cutting edge template, lowering the cutting edge template, leveling and aligning;
s2, conveying the water stop plate prefabricated on the ground to the underground, and paving the water stop plate at a design position; adjusting the splicing gap to connect the water stop plates into a whole;
s3, filling the filling layer, and paving a filling layer grouting system and a stubble-connecting grouting system;
s4, falling a vertical mould, leveling and aligning, and pouring well wall concrete;
s5, repeating the steps S1 to S4, and entering the next digging and building cycle.
Further, in the step S2, the water stop plate should be segmented according to the shaft engineering condition and the construction equipment condition when being prefabricated, so as to reduce the number of segments as much as possible, and reduce the underground joints.
Further, the specific steps of laying the filling layer grouting system and the stubble grouting system in the step S3 are as follows:
s31, filling a gap between the water stop plate and the well wall by adopting a designed material to form a filling layer; synchronously paving a filling layer circumferential grouting pipe according to a design position, connecting the filling layer circumferential grouting pipe and a filling layer radial grouting pipe when prefabricating on the ground, and protecting a connector reserved for the filling layer radial grouting pipe and grouting equipment;
s32, paving stubble-connecting annular grouting pipes according to the designed positions, wherein the stubble-connecting annular grouting pipes and the stubble-connecting radial grouting pipes of each path of stubble-connecting grouting pipeline are connected when the ground is prefabricated, and the reserved connectors of the stubble-connecting radial grouting pipes and grouting equipment are protected;
s33, binding reinforcing steel bars; synchronously binding the radial grouting pipe of the filling layer and the radial grouting pipe of the stubble connecting with the steel bars at the designed position, and tightly attaching the radial grouting pipe of the filling layer and the radial grouting pipe of the stubble connecting to a vertical die by the end close to the center of the well, so that the radial grouting pipe of the filling layer and the radial grouting pipe of the stubble connecting are convenient to find out after demoulding;
s34, paving a stubble-connecting and slurry-stopping pipe and a stubble-connecting and slurry-stopping pipe joint according to the designed position; the stubble-connecting slurry-stopping pipe joint is firmly bound with the reinforcing steel bars, and the end close to the well center is tightly clung to the vertical die, so that the convenience in finding out after demoulding is ensured.
Further, the step S5 is followed by the step S6 of selecting a machine to perform grouting after the well wall is constructed to the designed depth, or performing grouting after a plurality of sections of well walls are constructed until the well wall is constructed to the designed depth.
The invention has the beneficial effects that:
the water stop plate and the filling layer are combined to form the water stop structure of the stubble connecting position of the adjacent section of well wall, and the water stop performance of the stubble connecting position is further enhanced by the filling layer grouting system and the stubble connecting grouting system. The single-layer well wall provided by the invention has good integral water sealing performance, is convenient to construct, has the cost far lower than that of a double-layer well wall and a double-layer composite well wall, and is suitable for a well bore cut by a freezing method and a well bore cut by a common method or a grouting method.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a single layer well wall with a stub water stop and grouting system.
FIG. 2 is a top view of a single layer borehole wall with a stub water stop and grouting system.
Wherein, in the figure:
1-upper section well wall, 2-lower section well wall, 3-stubble, 31-stubble circumferential grouting pipe, 32-stubble radial grouting pipe, 311-stubble grout stopping pipe, 312-stubble grout stopping pipe joint, 4-water stopping plate, 5-filling layer, 51-filling layer circumferential grouting pipe and 52-filling layer radial grouting pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 and 2, a single-layer well wall with a stubble-connecting water-stopping structure and a grouting system is shown, wherein a stubble-connecting 3 is formed at the contact position of an upper-section well wall 1 and a lower-section well wall 2, and the stubble-connecting is not actively arranged and is necessarily formed due to the construction process of tunneling and pouring the well wall from top to bottom in a sectional manner. The outside of the connecting stubble 3 is provided with a water stop plate 4 and a filling layer 5, and the water stop plate 4 and the filling layer 5 are combined to form a water stop structure of a single-layer well wall. The water stop plate 4 can be a steel plate or a corrugated plate, and the filling layer 5 can be filled with coarse aggregates with a certain grading, such as broken stone, beige stone, coarse sand and the like.
The single-layer well wall with the stubble water stopping structure and the grouting system further comprises a filling layer grouting system, wherein the grouting system at least comprises one filling layer grouting pipeline, and each filling layer grouting pipeline comprises a filling layer circumferential grouting pipe 51 and a filling layer radial grouting pipe 52. The filling layer circumferential grouting pipe 51 can be a metal pipe or a plastic pipe, and the filling layer circumferential grouting pipe 51 is temporarily plugged (such as cement, adhesive tape and the like) after being perforated; the packing layer circumferential grouting pipe 51 can also be a finished maintainable repeated grouting pipe. The radial grouting pipe 52 of the filling layer is used for penetrating through the well wall radially, and the annular grouting pipe 51 of the filling layer is led to the inner side of the well wall, so that grouting in a well shaft is facilitated. The filling layer radial grouting pipe 52 can be arranged on the upper section well wall or the lower section well wall according to the requirement, the filling layer radial grouting pipe 52 can be a steel pipe or a high-pressure rubber pipe, and a screw thread or a quick-plug connector is reserved on the side close to the well center so as to be connected with grouting equipment for grouting.
The filling layer grouting system can grouting the filling layer 5, so that the filling layer 5 water stop layer and the water stop plate 4 are combined to form a good stubble-connecting water stop structure, and the filling layer grouting system can grouting holes (cracks) of the stratum between the well wall and the stratum and near the well wall and tiny cracks of the well wall, so as to fill a permeation channel of underground water to the well wall. The grouting slurry of the filling layer 5 can be cement-based slurry, chemical slurry, micro-expansion slurry and the like.
The single-layer well wall with the stubble water stopping structure and the grouting system also comprises a stubble grouting system, and the stubble grouting system comprises at least one path of stubble grouting pipeline. The stubble-connecting grouting pipeline comprises a stubble-connecting circumferential grouting pipe 31 and a stubble-connecting radial grouting pipe 32, the stubble-connecting circumferential grouting pipe 31 is connected with the stubble-connecting radial grouting pipe 32 in a pipeline manner, and the positions and the number of the stubble-connecting circumferential grouting pipes 31 can be arranged according to the needs and are not necessarily arranged at the bottom of the stubble-connecting 3. The stubble-connecting radial grouting pipe 32 can be arranged on the top surface of the water stop plate 4 during construction of the upper section of well wall 1, and can also be arranged on the bottom surface of the water stop plate during construction of the lower section of well wall 2.
The stubble-connecting circumferential grouting pipe 31 can be a metal pipe or a plastic pipe, and the stubble-connecting circumferential grouting pipe 31 is temporarily plugged (such as cement, adhesive tape and the like) after being perforated; the finished product maintainable repeated grouting pipe can also be adopted. The radial grouting pipe 32 can be made of steel pipe or high-pressure rubber pipe, and a screw thread or a quick-plug connector is reserved on the side close to the well center so as to be connected with grouting equipment for grouting.
The stubble-connecting grouting system also comprises at least one path of stubble-connecting grouting pipe, wherein the stubble-connecting grouting pipe comprises a stubble-connecting grouting pipe 311 and a stubble-connecting grouting pipe joint 312, the stubble-connecting grouting pipe joint 312 is arranged on the stubble-connecting grouting pipe 311, and the stubble-connecting grouting pipe 311 is positioned at the inner side of the stubble-connecting 3. The stubble-connecting slurry-stopping pipe 311 can be a pressure expansion pipe, such as a PVC plastic-coated irrigation water hose or a flexible rubber hose, and the stubble-connecting slurry-stopping pipe joint 312 can be a steel pipe or a high-pressure rubber hose, and a screw thread or a quick-plug joint is reserved on the side close to the well center so as to be connected with grouting equipment for water injection, so that the stubble-connecting slurry-stopping pipe 311 expands under the hydraulic action.
The gap between the stubble 3, the water stop plate 4 and the well wall (the upper well wall 1 and the lower well wall 2) can be injected by the stubble grouting system, so that the impermeability of the well wall stubble 3 and the water stop effect of the water stop structure are further improved. The grouting slurry of the stubble 3 can adopt cement-based slurry, chemical slurry, micro-expansion slurry and the like. When the stubble 3 is grouted, the slurry may diffuse inwards along the stubble 3 to flow into the shaft, therefore, before the stubble 3 is grouted by the stubble grouting system, water needs to be injected into the stubble-stopping pipeline, so that the stubble-stopping pipe 311 expands under the action of water pressure, and a slurry-stopping plug is formed at the stubble-stopping pipe 311, thereby preventing the slurry from flowing into the well during the grouting of the stubble 3.
The well wall (upper well wall and lower well wall) can be provided with reinforcing steel bars, and the well wall concrete can be doped with expanding agents, fibers and the like so as to reduce cracks and reduce the permeability of the well wall body. Small amount of fine cracks can be filled by the filling layer grouting system, so that grouting pressure is increased, and filling is achieved during grouting of the filling layer 5.
Example 2
A construction method of a single-layer well wall with a stubble water stopping structure and a grouting system comprises the following steps:
tunneling a construction section height, leveling the working face of the position of the cutting edge template, lowering the cutting edge template, leveling and aligning; transporting the water stop plate 4 prefabricated on the ground to the underground, and paving the water stop plate at a design position; adjusting the splicing gap, and welding the water stop plate 4 into a whole; the water stop plate 4 should be partitioned according to the shaft engineering condition and the construction equipment condition during prefabrication, so as to reduce the number of partitioned blocks as much as possible and reduce the underground welding seam.
The gap between the water stop plate 4 and the well wall is filled with designed materials to form a filling layer 5, and the filling layer circumferential grouting pipes 51 are synchronously paved according to the designed positions.
The filling layer circumferential grouting pipe 51 and the filling layer radial grouting pipe 52 are connected when the ground is prefabricated, and the protection of the connecting joint reserved by the filling layer radial grouting pipe 52 and connected with grouting equipment is finished.
Paving a stubble-connecting circumferential grouting pipe 31 according to the design position;
the stubble circumferential grouting pipe 31 and the stubble radial grouting pipe 32 of each path of stubble grouting system are connected when the ground is prefabricated, and the protection of the connecting joint reserved by the stubble radial grouting pipe 32 and the grouting equipment is finished.
Binding reinforcing steel bars. The radial grouting pipe 52 of the filling layer of each filling layer 5 grouting pipeline and the stubble connecting radial grouting pipe 32 of each stubble connecting grouting system are firmly bound with the steel bars at the designed positions, the radial grouting pipe 52 of the filling layer and the stubble connecting radial grouting pipe 32 are close to the vertical die near the well center end, and the convenience in finding out after demoulding is ensured.
Paving a stubble-connecting and slurry-stopping pipe 311 and a stubble-connecting and slurry-stopping pipe joint 312 according to the designed positions; the stubble-connecting slurry-stopping pipe joint 312 is firmly bound with the reinforcing steel bars, and the well center end should be clung to the vertical die, so that the easy finding after demoulding is ensured.
Dropping a vertical mould, leveling and aligning, and pouring well wall concrete;
repeating the steps, and entering the next digging and building cycle;
performing machine selection and grouting after the well wall is constructed to the designed depth; or grouting after constructing a plurality of sections (the number of sections is determined by design) of the well wall until the well wall is constructed to the designed depth.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The single-layer well wall with the stubble-connecting water-stopping structure and the grouting system forms stubble-connecting at the contact position of the upper-section well wall and the lower-section well wall, and is characterized in that a water-stopping plate and a filling layer are arranged on the outer side of the stubble-connecting layer, and the water-stopping plate and the filling layer are combined to form the water-stopping structure of the single-layer well wall;
the stubble-connecting grouting system comprises a stubble-connecting grouting pipeline, wherein the stubble-connecting grouting pipeline comprises a stubble-connecting circumferential grouting pipe and a stubble-connecting radial grouting pipe, and the stubble-connecting circumferential grouting pipe is connected with the stubble-connecting radial grouting pipe pipeline;
the stubble-connecting grouting system further comprises a stubble-connecting grouting-stopping pipeline, the stubble-connecting grouting-stopping pipeline comprises a stubble-connecting grouting-stopping pipe and a stubble-connecting grouting-stopping pipe joint, the stubble-connecting grouting-stopping pipe joint is arranged on the stubble-connecting grouting-stopping pipe, and the stubble-connecting grouting-stopping pipe is positioned on the center side, close to a shaft, of the stubble-connecting annular grouting pipe.
2. The single-layer well wall with the stubble-connecting water-stopping structure and the grouting system according to claim 1, further comprising a filling layer grouting system, wherein the filling layer grouting system comprises a filling layer circumferential grouting pipe and a filling layer radial grouting pipe, the filling layer circumferential grouting pipe is connected with the filling layer radial grouting pipe through a pipeline, and the filling layer circumferential grouting pipe is paved in the filling layer.
3. A construction method of a single-layer well wall with a stubble water stopping structure and a grouting system is characterized by comprising the following steps:
s1, tunneling a construction section height, leveling a working face of a cutting edge template, lowering the cutting edge template, leveling and aligning;
s2, conveying the water stop plate prefabricated on the ground to the underground, and paving the water stop plate at a design position; adjusting the splicing gap to connect the water stop plates into a whole;
s3, filling the filling layer, and paving a filling layer grouting system and a stubble-connecting grouting system;
the concrete steps of paving a filling layer grouting system and a stubble grouting system are as follows:
s31, filling a gap between the water stop plate and the well wall by adopting a designed material to form a filling layer; synchronously paving a filling layer circumferential grouting pipe according to a design position, connecting the filling layer circumferential grouting pipe and a filling layer radial grouting pipe when prefabricating on the ground, and protecting a connector reserved for the filling layer radial grouting pipe and grouting equipment;
s32, paving stubble-connecting annular grouting pipes according to the designed positions, wherein the stubble-connecting annular grouting pipes and the stubble-connecting radial grouting pipes of each path of stubble-connecting grouting pipeline are connected when the ground is prefabricated, and the reserved connectors of the stubble-connecting radial grouting pipes and grouting equipment are protected;
s33, binding reinforcing steel bars; synchronously binding the radial grouting pipe of the filling layer and the radial grouting pipe of the stubble connecting with the steel bars at the designed position, and tightly attaching the radial grouting pipe of the filling layer and the radial grouting pipe of the stubble connecting to a vertical die by the end close to the center of the well, so that the radial grouting pipe of the filling layer and the radial grouting pipe of the stubble connecting are convenient to find out after demoulding;
s34, paving a stubble-connecting and slurry-stopping pipe and a stubble-connecting and slurry-stopping pipe joint according to the designed position; the stubble-connecting slurry-stopping pipe joint and the steel bar are firmly bound, and the well center end is clung to the vertical die, so that the convenience in finding out after demoulding is ensured;
s4, falling a vertical mould, leveling and aligning, and pouring well wall concrete;
s5, repeating the steps S1 to S4, and entering the next digging and building cycle.
4. The method for constructing a single-layer well wall with a joint water stop structure and a grouting system according to claim 3, wherein in the step S2, the water stop plate is prefabricated by dividing blocks according to the engineering condition of a well shaft and the condition of construction equipment, and the dividing number is reduced as much as possible so as to reduce the underground joint.
5. The construction method of a single-layer well wall with a joint water stop structure and a grouting system according to claim 3, wherein the construction method further comprises the step S6 after the step S5, wherein the construction method comprises the following steps of
Grouting is performed by selecting a machine after the wall is constructed to the designed depth, or grouting is performed after a plurality of sections of well walls are constructed,
until the well wall is constructed to the designed depth.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210405334.1A CN114607386B (en) | 2022-04-18 | 2022-04-18 | Single-layer well wall with stubble-connecting water-stopping structure and grouting system and construction method thereof |
| CA3217077A CA3217077C (en) | 2022-04-18 | 2023-04-13 | Single-layer shaft lining with joint sealing structure and grouting system and its construction method |
| PCT/CN2023/088007 WO2023202455A1 (en) | 2022-04-18 | 2023-04-13 | Single-layer well wall having jointed water-stop structure and grouting system, and construction method therefor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210405334.1A CN114607386B (en) | 2022-04-18 | 2022-04-18 | Single-layer well wall with stubble-connecting water-stopping structure and grouting system and construction method thereof |
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| CN114607386A CN114607386A (en) | 2022-06-10 |
| CN114607386B true CN114607386B (en) | 2023-05-05 |
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| CA (1) | CA3217077C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2868147B2 (en) * | 1995-07-21 | 1999-03-10 | 鹿島建設株式会社 | Installation method of water stoppage plate and water stoppage plate |
| CN100526604C (en) * | 2006-06-27 | 2009-08-12 | 中国矿业大学 | Single layer well wall with connecting plate and its constructing method |
| CN101550833A (en) * | 2009-03-28 | 2009-10-07 | 中国矿业大学 | Cast-in-situ concrete joint plate and construction technique thereof |
| CN103470266A (en) * | 2013-06-16 | 2013-12-25 | 钱自卫 | Anti-seepage well wall |
| CN105697019B (en) * | 2016-03-07 | 2018-04-24 | 马钢(集团)控股有限公司 | Shaft wall cast-in-situ concrete joint and its erecting device and construction method |
| CN105821908A (en) * | 2016-04-12 | 2016-08-03 | 姚攀峰 | Multiple water stop belt, waterproof structure and construction method of waterproof structure |
| CN106522959B (en) * | 2016-12-12 | 2017-10-17 | 中国矿业大学 | A kind of borehole wall steel construction waterproof connecting plate and its construction technology |
| CN107288658B (en) * | 2017-08-04 | 2019-04-26 | 中煤第一建设有限公司 | Underground concrete water-proof engineering connects the casting method of stubble seam |
| CN109667586B (en) * | 2019-01-07 | 2020-07-28 | 中国矿业大学 | Grouting method of double-layer well wall grouting system |
| CN213979273U (en) * | 2020-11-06 | 2021-08-17 | 中建八局科技建设有限公司 | Two-in-one basement side wall and bottom plate joint waterproof structure |
| CN112746849B (en) * | 2020-12-11 | 2022-02-18 | 中国矿业大学 | Shaft water-carrying digging and building method |
| CN113356887B (en) * | 2021-07-09 | 2023-12-22 | 中国矿业大学 | Single-layer well wall with grouting water-stop connecting piece and construction method thereof |
| CN113756371A (en) * | 2021-09-15 | 2021-12-07 | 中国二十二冶集团有限公司 | Concrete density construction method at horizontal seam of waterproof concrete |
| CN114607386B (en) * | 2022-04-18 | 2023-05-05 | 中国矿业大学 | Single-layer well wall with stubble-connecting water-stopping structure and grouting system and construction method thereof |
-
2022
- 2022-04-18 CN CN202210405334.1A patent/CN114607386B/en active Active
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2023
- 2023-04-13 CA CA3217077A patent/CA3217077C/en active Active
- 2023-04-13 WO PCT/CN2023/088007 patent/WO2023202455A1/en active Application Filing
Also Published As
| Publication number | Publication date |
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| CA3217077C (en) | 2024-06-11 |
| WO2023202455A1 (en) | 2023-10-26 |
| CA3217077A1 (en) | 2023-10-26 |
| CN114607386A (en) | 2022-06-10 |
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