CN113136886A - Foundation pit waterproof curtain and construction method thereof - Google Patents
Foundation pit waterproof curtain and construction method thereof Download PDFInfo
- Publication number
- CN113136886A CN113136886A CN202110561384.4A CN202110561384A CN113136886A CN 113136886 A CN113136886 A CN 113136886A CN 202110561384 A CN202110561384 A CN 202110561384A CN 113136886 A CN113136886 A CN 113136886A
- Authority
- CN
- China
- Prior art keywords
- reinforcement cage
- steel
- support
- bar group
- stagnant water
- 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.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
Abstract
The utility model relates to a building engineering's field discloses a foundation ditch stagnant water curtain and construction method thereof, and foundation ditch stagnant water curtain includes the stagnant water post of a plurality of mutual interlocks, pre-buried steel reinforcement cage one in the stagnant water post, steel reinforcement cage one end extends to the top of stagnant water post top surface, a plurality of the tie-beam has been pour between the stagnant water post top, pre-buried steel reinforcement cage two in the tie-beam, insert in the steel reinforcement cage two and be equipped with a plurality of bundles of reinforcing bar groups, the one end of reinforcing bar group is passed the tie-beam is located one side that the foundation ditch was kept away from to the stagnant water curtain, the other end of reinforcing bar group is located the foundation ditch. This application has the reduction lateral pressure and causes deformation to the waterproof curtain to improve the effect of the steadiness of waterproof curtain.
Description
Technical Field
The application relates to the field of constructional engineering, in particular to a foundation pit waterproof curtain and a construction method thereof.
Background
The waterproof curtain is a general term of a waterproof series at the periphery of the engineering main body and is used for preventing or reducing continuous water stopping bodies which are adopted by underground water flowing into the foundation pit from the side wall of the foundation pit and the bottom of the foundation pit. The foundation pit enclosure is generally divided into three parts. The first part is a retaining pile part which mainly functions as a retaining wall, and the form may be a reinforced concrete cast-in-place pile or other forms of pile with a certain space between the piles but capable of retaining soil. The second part is a waterproof curtain part which is used for solidifying soil behind the retaining wall and blocking water layer communication inside and outside the foundation pit, and the waterproof curtain part can be in a cement soil mixing pile or compaction grouting mode. The third part is a support for supporting the side wall of the foundation pit.
In the related technology, the Chinese patent with the publication number of CN204401638U discloses a foundation pit waterproof curtain wall, which belongs to the field of foundation pit construction, at least one layer of waterproof curtain consisting of a plurality of high-pressure jet grouting piles is arranged outside or among piles of a foundation pit support pile, the bottom of each high-pressure jet grouting pile is arranged in a waterproof stratum below the bottom of the foundation pit, adjacent high-pressure jet grouting piles of the same-layer waterproof curtain are mutually occluded, adjacent high-pressure jet grouting piles among the adjacent waterproof curtains are also mutually occluded, and the waterproof curtain arranged among the piles is also occluded with the support pile.
With respect to the related art in the above, the inventors consider that: the waterproof curtain is a curtain formed by high-pressure jet grouting piles, when a large downward pressure is generated outside a foundation pit, lateral pressure is applied to the curtain by soil outside the foundation pit, and the lateral pressure easily causes deformation of the curtain, so that the stability of the curtain is affected.
Disclosure of Invention
In order to reduce deformation of the side pressure to the waterproof curtain and improve stability of the waterproof curtain, the application provides the foundation pit waterproof curtain and the construction method thereof.
The application provides a foundation ditch waterproof curtain adopts following technical scheme:
the utility model provides a foundation ditch stagnant water curtain, includes the stagnant water post of a plurality of mutual interlocks, pre-buried steel reinforcement cage one that has in the stagnant water post, the steel reinforcement cage one end extends to the top of stagnant water post top surface, a plurality of the tie-beam has been pour between the stagnant water capital portion, pre-buried steel reinforcement cage two that has in the tie-beam, insert in the steel reinforcement cage two and be equipped with a plurality of bundles of reinforcing bar groups, the one end of reinforcing bar group is passed the tie-beam is located one side that the foundation ditch was kept away from to the stagnant water curtain, the other end of reinforcing bar group is located the foundation ditch.
Through adopting above-mentioned technical scheme, set up the steel reinforcement cage on the stagnant water post to through the concreting shaping for the tie-beam, can play the connection effect to a plurality of stagnant water post, and then can improve the steadiness of stagnant water curtain, in addition, when the lateral pressure is applied to stagnant water curtain outside the foundation ditch, utilize the reinforcing bar group in the tie-beam, can play tensile effect to stagnant water curtain, and then can further improve the steadiness of stagnant water curtain.
Preferably, the one end that the reinforcing bar group is close to the foundation ditch is provided with the stretch-draw support, the stretch-draw support is installed on the lateral wall that the tie-beam is close to foundation ditch one side, install the cavity jack that is used for stretch-draw reinforcing bar group on the stretch-draw support.
Through adopting above-mentioned technical scheme, utilize the cavity jack to straighten the reinforcing bar of reinforcing bar group, and then can improve the straightness accuracy of reinforcing bar in the reinforcing bar group, and the tensioning support can hinder direct contact between the lateral wall of cavity jack and tie-beam, and then reduces the damage that causes of cavity jack.
Preferably, the tensioning support comprises an installation plate fixedly connected to the side wall of the connecting beam, a support plate corresponding to the installation plate, and a support column fixedly connected between the installation plate and the support plate, and the steel bars in the steel bar group penetrate through the installation plate and the support plate; one side that the tie-beam is close to the foundation ditch is provided with steel reinforcement cage three, steel reinforcement cage three passes a plurality of between the mounting panel and the backup pad of stretch-draw support, steel reinforcement cage three with the stretch-draw support is used for the concrete placement shaping to the tensile beam.
Through adopting above-mentioned technical scheme, be formed with gapped space between mounting panel and the backup pad in the support of stretching-drawing, utilize three steel reinforcement cages to pass the support of stretching-drawing, can make three steel reinforcement cages and the reinforcing bar intercrossing in the support of stretching-drawing, the tensile beam of the shaping of finally pouring can hinder the reinforcing bar in the reinforcing bar group to produce the displacement, has further improved the steadiness of stagnant water curtain.
Preferably, the support columns are provided with four and are respectively distributed on four corners of the support plate, and the support columns and the steel bars in the steel bar cage III are bound up with each other.
Through adopting above-mentioned technical scheme, utilize many support columns, can be so that the reinforcing bar in tensioning support and the steel reinforcement cage three forms the multiple spot and ties up, and then can improve the steadiness between tensioning support and the steel reinforcement cage three.
Preferably, four wear to be equipped with the connecting rod between two upper and lower in the support column, the both ends of connecting rod rigid coupling respectively have the locating part, the connecting rod with the reinforcing bar in the steel reinforcement cage three is tied up each other.
Through adopting above-mentioned technical scheme, utilize the connecting rod, can tie up the reinforcing bar in the reinforcement cage three to the connecting rod on, further increased reinforcement cage three tie up the point, further improved the steadiness between stretch-draw support and the reinforcement cage three.
Preferably, the height of one end of the steel bar group in the foundation pit is higher than that of the other end of the steel bar group.
Through adopting above-mentioned technical scheme, can be so that the reinforcing bar group is the slope form and inserts and locate the outer earth of stagnant water curtain, the reinforcing bar group of slope form is favorable to increasing the stroke in earth, and then can improve the resistance to plucking ability of reinforcing bar group.
A construction method of a foundation pit waterproof curtain comprises the following steps: s1: drilling a pile hole, placing the first reinforcement cage in the pile hole, and pouring concrete in the pile hole to form a water stop column; s2: forming a connecting beam, binding a steel bar at the top of the water stopping column to form a second steel bar cage, penetrating a steel bar group through the second steel bar cage to be arranged on one side of the water stopping column far away from the foundation pit, and pouring concrete on the second steel bar cage to form the connecting beam; s3: stretching the steel bars in the steel bar group, installing a stretching support on one side wall of the connecting beam close to the foundation pit, installing a hollow jack on the stretching support, and stretching the steel bars in the steel bar group by using the hollow jack; s4: and forming the tensile beam, enabling the reinforcement cage III to penetrate through each tensioning support, and performing tree formwork concrete pouring on the reinforcement cage III and the tensioning support to form the tensile beam.
Through adopting above-mentioned technical scheme, when exerting the lateral pressure to the waterproof curtain outside the foundation ditch, utilize the reinforcing bar group in the tie-beam, can play tensile effect to the waterproof curtain, and the reinforcing bar that the tensile roof beam can hinder in the reinforcing bar group produces the displacement, has improved the steadiness of waterproof curtain.
Preferably, step S4 further includes: the vertical direction to stagnant water post from top to bottom inserts in proper order and establishes reinforcing bar group to form a plurality of from top to bottom the tensile beam.
Through adopting above-mentioned technical scheme, can be so that waterproof curtain from top to bottom forms many reinforcing bar groups, and then can increase the anti-drawing point on the waterproof curtain, further improved the steadiness of waterproof curtain.
In summary, the present application includes at least one of the following beneficial technical effects:
in addition, when lateral pressure is applied to the waterproof curtain outside a foundation pit, a tensile effect can be achieved on the waterproof curtain by utilizing a steel bar group in the connecting beam, and the stability of the waterproof curtain can be further improved;
the third reinforcement cage penetrates through the tensioning support, so that the third reinforcement cage and the steel bars in the tensioning support are crossed, and the finally poured and formed tensile beam can prevent the steel bars in the steel bar group from displacing, so that the stability of the waterproof curtain is further improved;
through setting up the connecting rod, can tie up the reinforcing bar in the steel reinforcement cage three to the connecting rod on, further increased the tie up point of steel reinforcement cage three, further improved the steadiness between stretch-draw support and the steel reinforcement cage three.
Drawings
FIG. 1 is a schematic diagram of the structure of XXX in the examples of the application.
FIG. 2 is a schematic diagram of the structure of XXX in the examples of the application.
Figure 3 is … ….
Description of reference numerals: 100. a water stopping column; 101. a first reinforcement cage; 200. a connecting beam; 201. a second reinforcement cage; 3. a set of rebars; 4. tensioning the support; 41. mounting a plate; 42. a support plate; 43. a support pillar; 44. a connecting rod; 441. a limiting member; 5. a hollow jack; 6. a reinforcement cage III; 7. and (4) tensile beams.
Detailed Description
The present application is described in further detail below with reference to the attached figures X-X.
The embodiment of the application discloses a foundation ditch waterproof curtain. Referring to fig. 1, the waterproof curtain comprises a plurality of waterproof columns 100, the waterproof columns 100 are arranged along the periphery of the edge of a foundation pit, two adjacent waterproof columns 100 are mutually meshed, a first reinforcement cage 101 is pre-embedded in the waterproof curtain, the first reinforcement cage 101 is provided with a plurality of reinforcements and is distributed in the waterproof columns 100 at intervals, and a middle reinforcement of the first reinforcement cage 101 extends to the upper side of the top surface of the waterproof columns 100.
Referring to fig. 1, a second reinforcement cage 201 is arranged on the top surface of the water stopping column 100, the second reinforcement cage 201 is perpendicular to the water stopping column 100, the second reinforcement cage 201 is connected between the reinforcing steel bars on the top surface of each water stopping column 100, the second reinforcement cage 201 is subjected to tree forming and concrete pouring, the second reinforcement cage 201 can be formed and located on the connecting beam 200, and the width of the connecting beam 200 is larger than the diameter of the water stopping column 100.
Referring to fig. 1, it has reinforcing bar group 3 to still pre-embed in tie-beam 200, reinforcing bar group 3 is tied up by many reinforcing bars and forms, reinforcing bar group 3 is provided with a plurality of bundles, and along tie-beam 200's length direction evenly distributed, and reinforcing bar group 3 is located between two adjacent steel reinforcement cages 101, reinforcing bar group 3 is inserting between pouring the concrete to steel reinforcement cage two 201 and is locating steel reinforcement cage two 201, reinforcing bar group 3's one end is passed steel reinforcement cage two 201 and is located earth, reinforcing bar group 3's the other end is located the foundation ditch, and reinforcing bar group 3's length direction is perpendicular with the length direction of steel reinforcement cage two 201, reinforcing bar group 3 is located highly being higher than the other end of the one end in the foundation ditch. After the reinforcement bar group 3 in the coupling beam 200 is placed, concrete is poured into the reinforcement cage two 201. In addition, a plurality of steel bar groups 3 penetrate along the vertical direction of the waterproof curtain, and the steel bar groups 3 below the connecting beam 200 penetrate through the waterproof column 100.
Referring to fig. 2, a side wall of the connecting beam 200 near the foundation pit is fixedly connected with a tensioning support 4, the tensioning support 4 is provided with a plurality of rectangular thin plates and corresponds to each reinforcement group 3, the tensioning support 4 comprises a mounting plate 41, a support plate 42, support columns 43 and connecting rods 44, the mounting plate 41 and the support plate 42 are both rectangular thin plates, the mounting plate 41 is fixedly connected to the side wall of the connecting beam 200 near one side of the foundation pit, the support plate 42 is located at one side of the mounting plate 41 near the foundation pit, the support plate 42 is perpendicular to the reinforcements in the reinforcement groups 3, the support columns 43 are four, the four support columns 43 are located at four corners of the support plate 42 respectively, the support columns 43 are perpendicular to the support plate 42, the reinforcement groups 3 are located between the four support columns 43, the connecting rods 44 are four, the four connecting rods 44 are arranged at two sides of the reinforcement groups 3 in pairwise symmetry, the connecting rods 44 pass through the upper and lower support columns 43, and both ends of the connecting rods 44 are fixedly connected with a limiting part 441, the position-limiting members 441 may be connecting bolts, and the connecting bolts at two ends of the connecting rod 44 respectively abut against the top surface of the upper supporting column 43 and the bottom surface of the lower supporting column 43. After the reinforcing steel bar group 3 and the tensioning support 4 are installed, the hollow jack 5 is installed on the tensioning support 4, and the reinforcing steel bars in the reinforcing steel bar group 3 are straightened by the hollow jack 5.
Referring to fig. 2, a reinforcement cage three 6 is disposed on one side of the connecting beam 200 close to the foundation pit, the reinforcement cage three 6 penetrates each tensioning support 4, the reinforcement in the reinforcement cage three 6 is located between the mounting plate 41 and the support plate 42 of the tensioning support 4, and the reinforcement in the reinforcement cage three 6, the support column 43 and the connecting rod 44 are tied up with each other. And after the reinforcement cage III 6 is bundled, performing tree molding on the reinforcement cage III 6 and pouring concrete, and finally forming the tensile beam 7. The tension beam 7 can prevent the reinforcing bars in the reinforcing bar group 3 from being displaced.
The implementation principle of the foundation pit waterproof curtain in the embodiment of the application is as follows: set up the steel reinforcement cage on stagnant water post 100 to for tie-beam 200 through concreting shaping, can play the connection effect to a plurality of stagnant water post 100, and then can improve the steadiness of stagnant water curtain, in addition, when exerting the lateral pressure to stagnant water curtain outside the foundation ditch, utilize reinforcing bar group 3 in the tie-beam 200, can play tensile effect to stagnant water curtain, and then can further improve the steadiness of stagnant water curtain.
The embodiment of the application also discloses a construction method of the foundation pit waterproof curtain. Referring to fig. 3, the method of constructing a waterproof curtain for a foundation pit includes:
s1: and drilling a pile hole. When the rotary hole is drilled, the holes are drilled at intervals, concrete columns are formed by pouring, then, the holes are drilled between two adjacent pile holes and are occluded with the concrete columns on two sides, then, the reinforcement cage I101 is placed in the pile hole between the concrete columns on two sides, concrete is poured in the pile hole, and the water stop column 100 is formed after the pile hole is poured.
S2: the coupling beam 200 is formed. And (3) binding a steel bar at the top of the water stop column 100 to form a second steel reinforcement cage 201, penetrating one end of the steel bar group 3 through the second steel reinforcement cage 201, placing the second steel reinforcement cage 201 on one side of the water stop column 100 far away from the foundation pit, and pouring concrete on the second steel reinforcement cage 201 to form the connecting beam 200 after the steel bar group 3 is arranged.
S3: stretching the steel bars in the steel bar group 3. Installing a tensioning support 4 on one side wall of the connecting beam 200 close to the foundation pit, installing a hollow jack 5 on the tensioning support 4, and tensioning the steel bars in the steel bar group 3 by using the hollow jack 5.
S4: and forming the tensile beam 7. Penetrating the reinforcement cage III 6 through each tensioning support 4, performing tree molding on the reinforcement cage III 6 and the tensioning supports 4, and pouring concrete after the tree molding is completed to form a tensile beam 7; in addition, the steel bar group 3 is inserted in the vertical direction of the water stopping column 100 from top to bottom, and a plurality of tensile beams 7 are formed from top to bottom.
The implementation principle of the construction method of the foundation pit waterproof curtain in the embodiment of the application is as follows: when lateral pressure is applied to the waterproof curtain outside the foundation pit, the tensile effect can be achieved on the waterproof curtain by utilizing the steel bar group 3 in the connecting beam 200, the tensile beam 7 can block steel bars in the steel bar group 3 from displacing, and stability of the waterproof curtain is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A foundation ditch stagnant water curtain which characterized in that: stagnant water post (100) including a plurality of mutual interlocks, pre-buried steel reinforcement cage (101) that has in stagnant water post (100), steel reinforcement cage (101) one end extends to the top of stagnant water post (100) top surface, a plurality of the tie-beam (200) have been pour between stagnant water post (100) top, pre-buried steel reinforcement cage two (201) in tie-beam (200), insert in steel reinforcement cage two (201) and be equipped with a plurality of bundles of reinforcing bar groups (3), the one end of reinforcing bar group (3) is passed tie-beam (200) are located one side that the foundation ditch was kept away from to the stagnant water curtain, the other end of reinforcing bar group (3) is located the foundation ditch.
2. The waterproof curtain for foundation pits of claim 1, wherein: one end that reinforcing bar group (3) are close to the foundation ditch is provided with stretch-draw support (4), stretch-draw support (4) are installed on tie-beam (200) are close to the lateral wall of foundation ditch one side, install cavity jack (5) that are used for stretch-draw reinforcing bar group (3) on stretch-draw support (4).
3. A foundation pit waterproof curtain as claimed in claim 2, wherein: the tensioning support (4) comprises an installation plate (41) fixedly connected to the side wall of the connecting beam (200), a support plate (42) corresponding to the installation plate (41), and a support column (43) fixedly connected between the installation plate (41) and the support plate (42), and the steel bars in the steel bar group (3) penetrate through the installation plate (41) and the support plate (43); one side that tie-beam (200) are close to the foundation ditch is provided with steel reinforcement cage three (6), steel reinforcement cage three (6) pass a plurality of between mounting panel (41) and backup pad (42) of tensioning support (4), steel reinforcement cage three (6) with tensioning support (4) are used for concrete placement shaping to tensile beam (7).
4. A foundation pit waterproof curtain as claimed in claim 3, wherein: the supporting columns (43) are four and are respectively distributed on four corners of the supporting plate (42), and the supporting columns (43) and the steel bars in the steel bar cage III (6) are bound up with each other.
5. A foundation pit waterproof curtain as claimed in claim 4, wherein: connecting rods (44) penetrate through the four supporting columns (43) between the upper supporting column and the lower supporting column, limiting pieces (441) are fixedly connected to two ends of each connecting rod (44), and the connecting rods (44) and the steel bars in the steel bar cage III (6) are bound up mutually.
6. The waterproof curtain for foundation pits of claim 1, wherein: and one end of the steel bar group (3) in the foundation pit is higher than the other end of the steel bar group.
7. The construction method of a foundation pit waterproof curtain as claimed in any one of claims 1 to 6, characterized in that: the method comprises the following steps:
s1: drilling a pile hole, placing a reinforcement cage I (101) in the pile hole, and pouring concrete in the pile hole to form a water stopping column (100);
s2: forming a connecting beam (200), binding steel bars at the top of the water stopping column (100) to form a second steel bar cage (201), penetrating the steel bar group (3) through the second steel bar cage (201) to be arranged on one side of the water stopping column (100) far away from the foundation pit, and pouring concrete on the second steel bar cage (201) to form the connecting beam (200);
s3: stretching the steel bars in the steel bar group (3), installing a stretching support (4) on one side wall of the connecting beam (200) close to the foundation pit, installing a hollow jack (5) on the stretching support (4), and stretching the steel bars in the steel bar group (3) by using the hollow jack (5);
s4: and forming the tensile beam (7), penetrating the reinforcement cage III (6) through each tensioning support (4), and performing tree formwork concrete pouring on the reinforcement cage III (6) and the tensioning supports (4) to form the tensile beam (7).
8. The waterproof curtain for foundation pits of claim 7, wherein: the step S4 further includes: the steel bar groups (3) are sequentially inserted from top to bottom in the vertical direction of the water stopping columns (100), and a plurality of tensile beams (7) are formed from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110561384.4A CN113136886A (en) | 2021-05-22 | 2021-05-22 | Foundation pit waterproof curtain and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110561384.4A CN113136886A (en) | 2021-05-22 | 2021-05-22 | Foundation pit waterproof curtain and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113136886A true CN113136886A (en) | 2021-07-20 |
Family
ID=76817512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110561384.4A Pending CN113136886A (en) | 2021-05-22 | 2021-05-22 | Foundation pit waterproof curtain and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113136886A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673186A (en) * | 2022-04-25 | 2022-06-28 | 华煜建设集团有限公司 | TRD construction method pile waterproof curtain for penetrating gravel layer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1033446A1 (en) * | 1999-03-04 | 2000-09-06 | Gert Dr. Dallach | Method of erection of a foundation structure in a water flooded excavation |
| CN202090291U (en) * | 2011-05-20 | 2011-12-28 | 中国十九冶集团有限公司 | Tensioning support |
| CN110158626A (en) * | 2019-06-20 | 2019-08-23 | 广东宏丰建设工程有限公司 | A kind of water stop curtain structure |
| CN110241828A (en) * | 2019-06-19 | 2019-09-17 | 深圳市中邦(集团)建设总承包有限公司 | The outer sealing construction method for supporting of anchor in a kind of row's grating tubular pole grouting behind shaft or drift lining |
-
2021
- 2021-05-22 CN CN202110561384.4A patent/CN113136886A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1033446A1 (en) * | 1999-03-04 | 2000-09-06 | Gert Dr. Dallach | Method of erection of a foundation structure in a water flooded excavation |
| CN202090291U (en) * | 2011-05-20 | 2011-12-28 | 中国十九冶集团有限公司 | Tensioning support |
| CN110241828A (en) * | 2019-06-19 | 2019-09-17 | 深圳市中邦(集团)建设总承包有限公司 | The outer sealing construction method for supporting of anchor in a kind of row's grating tubular pole grouting behind shaft or drift lining |
| CN110158626A (en) * | 2019-06-20 | 2019-08-23 | 广东宏丰建设工程有限公司 | A kind of water stop curtain structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673186A (en) * | 2022-04-25 | 2022-06-28 | 华煜建设集团有限公司 | TRD construction method pile waterproof curtain for penetrating gravel layer |
| CN114673186B (en) * | 2022-04-25 | 2023-09-22 | 华煜建设集团有限公司 | TRD construction method pile waterproof curtain for penetrating round gravel layer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111705795B (en) | Prefabricated anchor pier for slope reinforcement and post-cast lattice beam assembly integral construction method | |
| CN107246016B (en) | Hanging type inner support system suitable for foundation pit engineering and foundation pit construction method | |
| CN108331021A (en) | Half cap excavation method large span bedding structure of one kind and its construction method | |
| CN111794254A (en) | Railway slope prefabricated assembled post-cast framework slope protection structure and construction method thereof | |
| CN112982432A (en) | Prestressed concrete foundation pit supporting structure and construction method | |
| CN114134931B (en) | Reverse construction method for developing basement structure of existing building | |
| CN113417300B (en) | Slope support system and construction method thereof | |
| CN113136886A (en) | Foundation pit waterproof curtain and construction method thereof | |
| CN212129160U (en) | Oblique-pulling foundation pit supporting structure for pile top | |
| CN112176879A (en) | Bridge pier foundation underpinning structure and construction method | |
| CN111593739A (en) | Cement mixing pile enclosure wall-profile steel cantilever type combined support | |
| CN110952563A (en) | Temporary anti-floating structure for excavation of foundation pit above existing subway tunnel | |
| KR20080025219A (en) | Underground outer wall construction method using deck-plate and deck-plate for constructing underground outer wall | |
| CN113982004B (en) | Anchor cable-reinforced soil combined retaining member and construction method thereof | |
| CN206337566U (en) | Foundation ditch vertical prestressing anchor pole supporting construction | |
| CN211113674U (en) | Double-row column supporting structure of foundation pit | |
| CN210066763U (en) | Foundation pit side wall structure reinforcing and supporting device | |
| KR200308716Y1 (en) | Prestressed scaffolding method | |
| KR200293048Y1 (en) | shoring structure using prestressed retaining wall | |
| CN210917326U (en) | H-shaped spliced precast concrete pile and foundation pit supporting device | |
| CN220117273U (en) | Prefabricated assembled prestressing force retaining wall | |
| CN218813754U (en) | Foundation pit support reinforcing and treating structure after service life is expired | |
| CN213867835U (en) | Compound foundation ditch supporting construction | |
| CN213014316U (en) | Prefabricated post-cast skeleton slope protection structure of assembling of railway side slope | |
| CN218175854U (en) | M-shaped wall foundation pit supporting structure using transverse single-width underground continuous wall as counterfort |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210720 |
|
| RJ01 | Rejection of invention patent application after publication |