CN109837966B - Structure for treating lateral wall waterproof curtain of foundation pit on main channel side slope by replacement and filling method and construction method - Google Patents
Structure for treating lateral wall waterproof curtain of foundation pit on main channel side slope by replacement and filling method and construction method Download PDFInfo
- Publication number
- CN109837966B CN109837966B CN201910167530.8A CN201910167530A CN109837966B CN 109837966 B CN109837966 B CN 109837966B CN 201910167530 A CN201910167530 A CN 201910167530A CN 109837966 B CN109837966 B CN 109837966B
- Authority
- CN
- China
- Prior art keywords
- steel sheet
- sheet pile
- waterproof
- waterproof curtain
- curtain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Revetment (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a structure for treating a waterproof curtain on the side wall of a foundation pit of a main channel side slope by a replacement filling method and a construction method. The embankment way be provided with steel sheet pile stagnant water curtain near city main canal, city underground drainage pipe limit, the steel sheet pile outside is provided with backfills muck and constitutes the waterproof layer, the steel sheet pile inboard is provided with supporting construction, supporting construction set up H shaped steel by bracing piece one end, H shaped steel sets up in the steel sheet pile upper end, the other end sets up the gasket, the gasket setting is in supporting a stake upper end, isolation, precipitation structure constitute by filter layer, waterproof geotechnological cloth, soft strainer pipe, sump pit, lime soil and HDPE pipe. The invention effectively realizes water stop and water prevention of the deep foundation pit, ensures the safety of the deep foundation pit, improves the construction progress and quality, reduces the construction cost and can effectively overcome the problem of resource shortage of the construction site.
Description
Technical Field
The invention belongs to the technical field of civil construction, and particularly relates to a structure and a construction method for treating a water-stop curtain on the side wall of a foundation pit on a main canal side slope by a replacement and filling method, in particular to a structure and a construction method for treating a water-stop curtain on the side wall of a foundation pit on a city main canal side slope by a replacement and filling method.
Background
In the construction of urban infrastructure, the construction of urban main canals and urban underground drainage pipes is frequently encountered, the urban infrastructure is constructed in a large number, and different infrastructures are built at different positions and face different geological and topographic structures. For example, when the infrastructure of a wide northwest gobi desert city infrastructure is built, part of deep foundation pits are built at the position of a main canal of the city and the position of a coastal edge of an underground drainage pipe of the city, most of the areas are artificially backfilled soil, gravel soil, sand gravel and pebble geology, the structure is complex, the stability and the impermeability of a side slope are poor, the underground engineering construction needs to face the change of water level and the water intrusion pressure, the construction safety needs to be paid more attention, and therefore the construction needs to face complex geology and has high construction difficulty and requirements.
Traditional waterproof curtain generally adopts the stirring stake, and single high pressure spouts the pile wall soon as waterproof curtain, and although the water proof effect is better, the high pressure spouts the stake soon under complicated geological conditions, and the pore-forming degree of difficulty is big, and high pressure spouts pressure soon hardly guarantees, hardly forms effective waterproof curtain pile body, and the stagnant water effect is difficult to guarantee for safety risks such as seepage, piping appear in deep basal pit foundation construction stage.
Disclosure of Invention
Aiming at the defects and shortcomings in the prior art, the invention provides a structure and a construction method for treating a water-stop curtain on the side wall of a main channel side slope foundation pit by a backfill method, and solves the technical problem that a water-stop curtain structure of a city foundation facility foundation pit is built on the side of a city main channel and a city underground drainage pipe with complex geological and topographic structures, so that water stop and water prevention of a deep foundation pit are effectively realized, the safety of the deep foundation pit is ensured, the construction progress and quality are improved, the construction cost is reduced, and the problem of northwest resource shortage is effectively solved.
The technical scheme for solving the technical problem of the invention is as follows:
the invention relates to a structure for treating a waterproof curtain on the side wall of a foundation pit on a side slope of a main channel by a replacement method, wherein the main channel comprises a dike surrounding channel and is characterized by further comprising a supporting structure and an isolation and precipitation structure; a steel sheet pile waterproof curtain is arranged on the outer side of the embankment; the waterproof layer is arranged on the outer side of the steel sheet pile waterproof curtain, the supporting structure is arranged on the inner side of the steel sheet pile waterproof curtain, the supporting structure comprises a plurality of supporting piles which are arranged in the embankment channel and correspond to the steel sheet pile waterproof curtain, and a supporting rod is arranged between the upper part of each supporting pile and the upper part of the steel sheet pile waterproof curtain; the isolation and precipitation structure is arranged between the steel sheet pile waterproof curtain and the embankment channel and comprises a drainage ditch arranged along the length direction of the bottom of the steel sheet pile waterproof curtain, and the drainage ditch comprises a filter layer and a soft water filtering pipe arranged in the filter layer; the drainage ditch is uniformly provided with a plurality of water collecting wells along the length direction, each water collecting well is internally and vertically provided with an HDPE (high-density polyethylene) pipe, and the soft filter pipes are connected into the water collecting wells; the outer side of the filter layer is provided with waterproof geotextile, the lower end of the waterproof geotextile is tightly attached to the lower end of the steel sheet pile waterproof curtain, and the upper part of the waterproof geotextile is wrapped by each HDPE pipe and tightly attached to each steel sheet pile waterproof curtain; and lime soil is arranged between the dyke and the waterproof geotextile.
As a further improvement of the technical scheme, the waterproof layer is backfilled clay.
As a further improvement of the technical scheme, H-shaped steel is arranged on the upper portion of the steel sheet pile waterproof curtain, gaskets are arranged on the upper portions of the supporting piles at the same height, one end of each supporting rod is connected with the H-shaped steel, and the other end of each supporting rod is connected with the gaskets.
As a further improvement of the technical scheme, the steel sheet pile waterproof curtain is formed by mutually meshing steel sheet piles in a C-shaped structure.
As a further improvement of the technical scheme, the supporting rods are made of spiral pipes with the diameter of 300mm, the section size of the H-shaped steel is 350 multiplied by 350mm, and the supporting piles are formed by splicing and welding channel steel with the diameter of 360 multiplied by 96 multiplied by 90 mm.
As a further improvement of the technical scheme, the waterproof geotextile is formed by compounding geotextile with the thickness of 1.5mm and a geomembrane.
As a further improvement of the technical scheme, the soft filter pipe is made of a steel wire with the diameter of 200mm and non-woven fabrics.
As a further improvement of the technical scheme, the filter layer is graded gravel with the cross section size of 400 multiplied by 400mm, and the gravel ratio is as follows: the ratio of the natural sand to the lime soil is 7:3, and the ratio of the lime soil to the lime soil is 2: 8.
As a further improvement of the technical scheme, the water collecting wells are cubes with the side length of 1m, the water collecting wells are arranged every 20m, and the size of the HDPE pipe is phi 400 mm.
Another technical solution to solve the technical problem of the present invention is as follows:
the construction method for treating the structure of the waterproof curtain on the side wall of the foundation pit on the side slope of the main canal by the replacement and filling method in the technical scheme comprises the following steps:
1) leveling a construction operation surface at the junction of the main channel and infrastructure to be constructed on the inner side of the main channel, and forming a waterproof layer on the outer side of the embankment channel by burying and backfilling clay;
2) firstly, sequentially driving a plurality of C-shaped steel sheet piles at the outer edge of a dike way and mutually engaging to form a steel sheet pile water-stop curtain, driving supporting piles into the dike way at the inner side of the steel sheet pile water-stop curtain, excavating a soil layer between the steel sheet pile water-stop curtain and the supporting piles by using an excavator for 2.0m, then connecting and installing H-shaped steel at the upper end of the steel sheet pile water-stop curtain through bolts, welding gaskets at the same height positions of the supporting piles, and finally installing supporting rods on the H-shaped steel and the gaskets through positioning pins.
3) The method comprises the following steps of completely excavating all the miscellaneous fill between a steel sheet pile waterproof curtain and a support pile, arranging drainage ditches at the edge of the lower portion of the steel sheet pile waterproof curtain, arranging water collecting wells at intervals of 20m along the drainage ditches, laying waterproof geotextile in the grooves of the drainage ditches, placing soft strainer pipes, arranging filter layers outside the soft strainer pipes, placing HDPE pipes into the water collecting wells, inserting the tube heads of the soft strainer pipes into the HDPE pipes, wrapping the HDPE pipes on the upper portion of the waterproof geotextile, turning over and folding the HDPE pipes to be close to the steel sheet pile waterproof curtain, finally backfilling lime soil layer by layer, and compacting and forming;
4) dismantling the support rods, the H-shaped steel and the gaskets, removing the steel sheet pile waterproof curtain and each support pile, continuously working according to the steps, completely replacing and filling the side slope of the embankment channel outside the infrastructure to be constructed, excavating the deep foundation pit by using an excavator, and carrying out basement support construction.
Compared with the prior art, the steel sheet pile can effectively and temporarily stop a water curtain, can effectively support and fix a side slope during excavation, replacement and filling, ensures the stability of a supporting structure, and can be reused after replacement and filling are finished. The isolation and precipitation structure is arranged on the inner side of the steel sheet pile, so that the adverse influence of the geology and the complex terrain structure of the urban main canal and the urban underground drainage pipe on the construction of urban infrastructure due to the characteristics of the geology and the complex terrain structure is effectively overcome, the problems of the change of the water level of the urban main canal and the urban underground drainage pipe, the water intrusion pressure and the like are solved, the construction method can be widely applied to the aspects of water stopping and water interception and the like, and the process has obvious advantages, is simple, convenient and practical under the conditions of poor stability and impermeability of side slopes and complex geological and terrain structure, and is convenient to machine due to the fact that the construction site of used machinery, equipment and materials.
Drawings
The invention is further described with reference to the following figures and detailed description:
FIG. 1 is a schematic view of a structure and a construction method of a waterproof curtain for treating the side wall of a foundation pit on a main channel side slope by a replacement method according to the invention;
FIG. 2 is a schematic view of a split structure of a water-stop curtain for treating the side wall of a foundation pit on a main channel side slope by a replacement method and a construction method of the water-stop curtain;
FIG. 3 is a schematic view of the supporting structure of the present invention;
FIG. 4 is a schematic view of a precipitation structure of the insulation, precipitation structure of the present invention;
in the figure, 1, a cofferdam, 2, backfilled clay, 3, a steel sheet pile, 4, a supporting pile, 5, a supporting rod, 6, H-shaped steel, 7, a gasket, 8, a filtering layer, 9, waterproof geotextile, 10, a soft filter pipe, 11, a water collecting well, 12, lime soil, 13, an HDPE pipe and 14, a basement support are arranged.
Detailed Description
Example 1:
as shown in fig. 1 to 4, the structure for treating the waterproof curtain on the side wall of the foundation pit on the side slope of the main channel by the replacement and filling method of the invention comprises a dike 1, and is characterized in that the structure for treating the waterproof curtain on the side wall of the foundation pit on the side slope of the main channel by the replacement and filling method further comprises a supporting structure and an isolation and precipitation structure; the steel sheet pile waterproof curtain 3 formed by mutually meshing a plurality of steel sheet piles of the C-shaped structure which are sequentially arranged is arranged on the outer side of the embankment 1, and the steel sheet piles of the C-shaped structure are used, so that the waterproof and waterproof effects are good, the steel sheet piles can be repeatedly used, and the construction cost is effectively reduced; the waterproof layer 2 is arranged on the outer side of the steel sheet pile waterproof curtain 3, the supporting structure is arranged on the inner side of the steel sheet pile waterproof curtain 3, the supporting structure comprises a plurality of supporting piles 4 which are arranged in the embankment 1 and correspond to the steel sheet pile waterproof curtain 3, and a supporting rod 5 is arranged between the upper part of each supporting pile 4 and the upper part of the steel sheet pile waterproof curtain 3; the isolation and precipitation structure is arranged between the steel sheet pile waterproof curtain 3 and the embankment 1 and comprises a drainage ditch arranged along the length direction of the bottom of the steel sheet pile waterproof curtain 3, and the drainage ditch comprises a filter layer 8 and a soft type water filter pipe 10 arranged in the filter layer 8; the drainage ditch is uniformly provided with a plurality of water collecting wells 11 along the length direction, an HDPE (high-density polyethylene) pipe 13 is vertically arranged in each water collecting well 11, and the soft filter pipes 10 are connected into the water collecting wells 11; a waterproof geotextile 9 is arranged outside the filter layer 8, the lower end of the waterproof geotextile 9 is tightly attached to the lower end of the steel sheet pile waterproof curtain 3, and the upper part of the waterproof geotextile 9 is wrapped by each HDPE pipe 13 and tightly attached to each steel sheet pile of the steel sheet pile waterproof curtain 3; and lime soil 12 is arranged between the dike 1 and the waterproof geotextile 9, so that the stability is good.
In this embodiment, waterproof layer 2 be backfill clay, its setting has fine stability and impermeability in the outside of steel sheet pile waterproof curtain 3.
In this implementation, steel sheet pile waterproof curtain 3 upper portion is provided with H shaped steel 6, the equal high gasket 7 that is provided with in upper portion of support stake 4, each 5 one end of bracing piece is connected with H shaped steel 6, and the other end is connected with gasket 7.
In the implementation, the support rod 5 is made of a spiral pipe with the diameter of 300mm, the cross section of the H-shaped steel 6 is 350 multiplied by 350mm, and the support pile 4 is formed by splicing and welding channel steel with the diameter of 360 multiplied by 96 multiplied by 90 mm.
In this embodiment, the waterproof geotextile 9 is formed by compounding a geotextile with a thickness of 1.5mm and a geomembrane.
In this embodiment, the flexible water filtering pipe 10 is made of a steel wire with a diameter of 200mm and a non-woven fabric.
In this embodiment, the filter layer 8 is graded gravel with a cross-sectional size of 400 × 400mm, and the gravel ratio is as follows: the ratio of the natural sand to the lime soil 12 is 7:3, and the ratio of the natural sand to the lime soil is 2: 8.
In the embodiment, the water collecting wells 11 are cubes with the side length of 1m, the water collecting wells are arranged every 20m, the HDPE pipes 13 are 400mm in size, and therefore water seepage in the drainage ditch can be effectively discharged, and safety of infrastructure construction on the inner side of the embankment 1 is effectively guaranteed.
Example 2:
as shown in fig. 1 to 4, a construction method for treating a structure of a waterproof curtain on a side wall of a foundation pit on a main canal side slope by the replacement filling method in embodiment 1 includes the following steps:
1) flattening a construction operation surface at the junction of an urban main channel and an urban infrastructure foundation to be constructed on the inner side of the main channel, namely flattening the upper part of the embankment channel 1 to form the construction operation surface, and then filling clay in the outer side of the embankment channel 1 by landfill to form a waterproof layer 2;
2) firstly, sequentially driving steel sheet piles of C-shaped structures at the outer edge of a dike way 1, mutually meshing the steel sheet piles to form a steel sheet pile waterproof curtain 3, then driving supporting piles 4 into the dike way 1 at the inner side of the steel sheet pile waterproof curtain 3, excavating soil between the steel sheet pile waterproof curtain 3 and the supporting piles 4 by using an excavator for 2.0m, then connecting and installing H-shaped steel 6 at the upper end of the steel sheet pile waterproof curtain 3 through bolts, welding gaskets 7 at the same height positions of the supporting piles 4, and finally installing supporting rods 5 on the H-shaped steel 6 and the gaskets 7 through positioning pins.
3) The method comprises the following steps of completely excavating all the miscellaneous fill between a steel sheet pile waterproof curtain 3 and a support pile 4, arranging drainage ditches at the edge of the lower portion of the steel sheet pile waterproof curtain 3, arranging water collecting wells 11 at intervals of 20m along the drainage ditches, laying waterproof geotextile 9 in the grooves of the drainage ditches, placing soft filter pipes 10, arranging filter layers 8 outside the soft filter pipes 10, placing HDPE pipes 13 in the water collecting wells 11, inserting the tube heads of the soft filter pipes 10 into the HDPE pipes 13, wrapping the upper portions of the waterproof geotextile 9 with the HDPE pipes 13, turning over and tightly adhering the HDPE pipes 13 to the steel sheet pile waterproof curtain 3, finally backfilling lime soil 12 in layers, and compacting and forming;
4) and (3) dismantling the support rods 5, the H-shaped steel 6 and the gaskets 7, removing the water stop curtains 3 and the support piles 4 of the steel sheet piles, continuously working according to the steps, completely replacing and filling side slopes outside the urban infrastructure to be constructed, excavating a deep foundation pit by using an excavator, and constructing a basement support 14.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (10)
1. A structure for treating a waterproof curtain on the side wall of a foundation pit on a main channel side slope by a replacement method is characterized by further comprising a supporting structure and an isolating and dewatering structure, wherein the main channel comprises a dike (1); a steel sheet pile waterproof curtain (3) is arranged on the outer side of the embankment channel (1); the waterproof layer (2) is arranged on the outer side of the steel sheet pile waterproof curtain (3), the supporting structure is arranged on the inner side of the steel sheet pile waterproof curtain, the supporting structure comprises a plurality of supporting piles (4) which are arranged in the embankment (1) and correspond to the steel sheet pile waterproof curtain (3), and a supporting rod (5) is arranged between the upper part of each supporting pile (4) and the upper part of the steel sheet pile waterproof curtain (3); the isolation and precipitation structure is arranged between the steel sheet pile waterproof curtain (3) and the embankment channel (1), and comprises a drainage ditch arranged along the length direction of the bottom of the steel sheet pile waterproof curtain (3), wherein the drainage ditch comprises a filter layer (8) and a soft water filtering pipe (10) arranged in the filter layer (8); the drainage ditch is uniformly provided with a plurality of water collecting wells (11) along the length direction, an HDPE (high-density polyethylene) pipe (13) is vertically arranged in each water collecting well (11), and the soft filter pipes (10) are connected into the water collecting wells (11); a waterproof geotextile (9) is arranged on the outer side of the filter layer (8), the lower end of the waterproof geotextile (9) is tightly attached to the lower end of the steel sheet pile waterproof curtain (3), and the upper part of the waterproof geotextile is wrapped by each HDPE pipe (13) and tightly attached to each steel sheet pile waterproof curtain (3); and lime soil (12) is arranged between the dyke (1) and the waterproof geotextile (9).
2. The structure for treating the side wall waterproof curtain of the foundation pit on the side slope of the main canal by the replacement filling method according to claim 1, wherein the waterproof layer (2) is backfilled clay.
3. The structure for treating the lateral wall of the foundation pit on the side slope of the main canal by the backfill method according to claim 1, wherein the steel sheet pile waterproof curtain (3) is provided with H-shaped steel (6) at the upper part, the supporting pile (4) is provided with a gasket (7) at the same height at the upper part, and one end of each supporting rod (5) is connected with the H-shaped steel (6) and the other end is connected with the gasket (7).
4. The structure for treating the side wall waterproof curtain of the foundation pit on the side slope of the main canal by the replacement and filling method according to claim 1, wherein the steel sheet pile waterproof curtain (3) is formed by mutually engaging steel sheet piles in a C-shaped structure.
5. The structure of the waterproof curtain for treating the side wall of the foundation pit on the side slope of the main canal by the replacement and filling method according to claim 3, wherein the supporting rod (5) is made of a spiral pipe with the diameter of 300mm, the cross section of the H-shaped steel (6) is 350 x 350mm, and the supporting pile (4) is formed by splicing and welding channel steel with the diameter of 360 x 96 x 90 mm.
6. The structure for treating the side wall waterproof curtain of the foundation pit of the main canal side slope by the backfill method according to the claim 1, characterized in that the waterproof geotextile (9) is formed by compounding a geotextile with the thickness of 1.5mm and a geomembrane.
7. The structure of the waterproof curtain for treating the side wall of the foundation pit on the side slope of the main canal by the replacement and filling method as claimed in claim 1, wherein the flexible water filtering pipes (10) are made of steel wires and non-woven fabrics with the diameter of 200 mm.
8. The structure for treating the side wall waterproof curtain of the foundation pit on the side slope of the main canal by the replacement and filling method according to claim 1, wherein the filter layer (8) is graded gravel with the cross-sectional dimension of 400 x 400mm, and the gravel: the ratio of the natural sand to the lime soil (12) is 7:3, and the ratio of the natural sand to the lime soil is 2: 8.
9. The structure for treating the side wall waterproof curtain of the foundation pit on the side slope of the main canal by the replacement and filling method according to claim 1, wherein the water collecting well (11) is a cube with the side length of 1m, the water collecting well is arranged every 20m, and the size of the HDPE pipe (13) is phi 400 mm.
10. A construction method for treating a structure of a waterproof curtain on the side wall of a foundation pit of a main canal side slope by a backfill method according to any one of claims 1-9, wherein the method comprises the following steps:
1) leveling a junction of a main channel and infrastructure to be constructed on the inner side of the main channel to form a construction operation surface, and filling clay to form a waterproof layer (2) on the outer side of the embankment channel (1) by landfill;
2) firstly, sequentially driving a plurality of C-shaped steel sheet piles at the outer edge of a dike way (1) and mutually meshing to form a steel sheet pile waterproof curtain (3), then driving each supporting pile (4) into the dike way (1) at the inner side of the steel sheet pile waterproof curtain (3), excavating a soil layer between the steel sheet pile waterproof curtain (3) and the supporting pile (4) by using an excavator for 2.0m, then connecting and installing H-shaped steel (6) at the upper end of the steel sheet pile waterproof curtain (3) through bolts, welding gaskets (7) at the same height positions of each supporting pile (4), and finally installing a supporting rod (5) on the H-shaped steel (6) and the gaskets (7) through positioning pins;
3) the method comprises the following steps of completely excavating all miscellaneous filling soil between a steel sheet pile water-stop curtain (3) and a support pile (4), arranging drainage ditches at the edge of the lower portion of the steel sheet pile water-stop curtain (3), arranging water collecting wells (11) at intervals of 20m along the drainage ditches, laying waterproof geotextile (9) in the drainage ditches, placing soft filter pipes (10), arranging filter layers (8) outside the soft filter pipes (10), placing HDPE (high density polyethylene) pipes (13) in the water collecting wells (11), inserting the tube heads of the soft filter pipes (10) into the HDPE (13), wrapping the HDPE pipes (13) at the upper portion of the waterproof geotextile (9), turning over and tightly adhering to the steel sheet pile water-stop curtain (3), backfilling lime soil (12) layer by layer, and compacting and forming;
4) dismantling the support rods (5), the H-shaped steel (6) and the gaskets (7), removing the steel sheet pile waterproof curtain (3) and the support piles (4), continuously working according to the steps, completely replacing and filling the side slopes of the embankment channel (1) outside the infrastructure to be constructed, excavating a deep foundation pit by using an excavator, and constructing a basement support (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167530.8A CN109837966B (en) | 2019-03-06 | 2019-03-06 | Structure for treating lateral wall waterproof curtain of foundation pit on main channel side slope by replacement and filling method and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167530.8A CN109837966B (en) | 2019-03-06 | 2019-03-06 | Structure for treating lateral wall waterproof curtain of foundation pit on main channel side slope by replacement and filling method and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109837966A CN109837966A (en) | 2019-06-04 |
| CN109837966B true CN109837966B (en) | 2020-10-30 |
Family
ID=66885417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910167530.8A Active CN109837966B (en) | 2019-03-06 | 2019-03-06 | Structure for treating lateral wall waterproof curtain of foundation pit on main channel side slope by replacement and filling method and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109837966B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3979466B2 (en) * | 2002-01-11 | 2007-09-19 | ヒロセ株式会社 | Temporary closing method |
| CN106638675A (en) * | 2017-01-11 | 2017-05-10 | 重庆建工住宅建设有限公司 | Reverse structural steel and bamboo splint soil retaining construction method |
| CN106759126A (en) * | 2017-02-24 | 2017-05-31 | 化学工业岩土工程有限公司 | Construction method of side slope support drainage channel |
| CN107700507A (en) * | 2017-10-11 | 2018-02-16 | 潍坊市市政工程股份有限公司 | Dewatering construction engineering method in steel plate pile water stopping curtain auxiliary tank |
| CN108005085A (en) * | 2017-12-04 | 2018-05-08 | 广东中南建设有限公司 | Foundation pit supporting construction and its construction method |
| CN109183814A (en) * | 2018-09-11 | 2019-01-11 | 北京高能时代环境技术股份有限公司 | A kind of grooving engineering method for underground water pollution resistance control |
-
2019
- 2019-03-06 CN CN201910167530.8A patent/CN109837966B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3979466B2 (en) * | 2002-01-11 | 2007-09-19 | ヒロセ株式会社 | Temporary closing method |
| CN106638675A (en) * | 2017-01-11 | 2017-05-10 | 重庆建工住宅建设有限公司 | Reverse structural steel and bamboo splint soil retaining construction method |
| CN106759126A (en) * | 2017-02-24 | 2017-05-31 | 化学工业岩土工程有限公司 | Construction method of side slope support drainage channel |
| CN107700507A (en) * | 2017-10-11 | 2018-02-16 | 潍坊市市政工程股份有限公司 | Dewatering construction engineering method in steel plate pile water stopping curtain auxiliary tank |
| CN108005085A (en) * | 2017-12-04 | 2018-05-08 | 广东中南建设有限公司 | Foundation pit supporting construction and its construction method |
| CN109183814A (en) * | 2018-09-11 | 2019-01-11 | 北京高能时代环境技术股份有限公司 | A kind of grooving engineering method for underground water pollution resistance control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109837966A (en) | 2019-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104110038A (en) | Construction method for large-area pit support structure in deep-sludge type soft soil area | |
| CN110541436B (en) | Double-layer HDPE (high-density polyethylene) film vertical antifouling barrier structure containing leakage detection layer and method | |
| CN111677095A (en) | Construction method of drainage pipeline | |
| CN107151950A (en) | The construction method of desert area railway underground water route moat | |
| CN111560957B (en) | Shield receiving well foundation pit excavation and supporting non-dewatering construction method | |
| CN109339079B (en) | Foundation pit water stopping system adjacent to river permeable stratum and construction process thereof | |
| CN110984200B (en) | Method for draining water of foundation pit of binary geological structure layer | |
| CN111608174A (en) | Karst area karst cave treatment method based on punched cast-in-place pile | |
| CN109083100B (en) | River channel excavation construction process after mud blowing and landing | |
| CN104711968A (en) | Negative-pressure three-dimensional flow-guiding disturbance impact solidification dredger filling method | |
| CN112609720A (en) | Precipitation construction method suitable for deep foundation pit of high-pressure-bearing water-rich karst stratum | |
| CN210140850U (en) | Leachate collection and drainage guide structure | |
| CN216275788U (en) | Drainage device used after failure of water interception curtain of deep foundation pit | |
| CN109837966B (en) | Structure for treating lateral wall waterproof curtain of foundation pit on main channel side slope by replacement and filling method and construction method | |
| CN111560964A (en) | Construction method of rear anti-seepage system of foundation pit | |
| CN204435321U (en) | A kind of steam power station water intaking open channel | |
| CN112144425B (en) | Box culvert drainage ditch pouring method located at high water level and in sandy soil environment | |
| CN110965487B (en) | Down-pass passage high-flow reverse-suction siphon sewage pipe and encapsulation treatment construction method | |
| CN211228563U (en) | Assembled groundwater drainage blind ditch drainage system that oozes | |
| CN110029689B (en) | Percolate collecting and guiding and draining structure and construction method thereof | |
| CN110629763B (en) | Drag pipe well chamber foundation pit supporting structure and construction method thereof | |
| CN209891168U (en) | Dredging engineering's floodgate case buried pipe formula outlet structure | |
| CN110284511A (en) | The cofferdam open cutting construction method of the more storehouse rollers of overlength lake Tunnel | |
| CN212000867U (en) | Plugging structure for horizontal seepage prevention of geomembrane | |
| CN109797762A (en) | A kind of excavation slope built-in pipe, which is cut, seeps structure and its construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |