CN115012435A - Foundation pit wall waterproof curtain system and construction method thereof - Google Patents
Foundation pit wall waterproof curtain system and construction method thereof Download PDFInfo
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- CN115012435A CN115012435A CN202210695745.9A CN202210695745A CN115012435A CN 115012435 A CN115012435 A CN 115012435A CN 202210695745 A CN202210695745 A CN 202210695745A CN 115012435 A CN115012435 A CN 115012435A
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- 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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
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- 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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds
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- 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
- E02D5/74—Means for anchoring structural elements or bulkheads
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Abstract
The utility model belongs to the technical field of the technique of construction and specifically relates to a foundation ditch pithead stagnant water curtain system and construction method thereof is related to, including stagnant water pile group with set up the crown beam on stagnant water pile group, a plurality of mounting holes have been seted up on the stagnant water pile group, wear to be equipped with the anchor rope in the mounting hole, the one end that the anchor rope inserted in the mounting hole inserts in the road bed and pours the shaping with the road bed, the medial surface of stagnant water pile group is provided with the backing plate, set up the hole of stepping down on the backing plate, the anchor rope is located stagnant water pile group inboard one end and passes the hole of stepping down, and the cover is equipped with and is used for the taut anchor head of anchor rope, the anchor head butt is on the backing plate. This application has the phenomenon that can reduce stagnant water stake can take place the slope to the foundation ditch in, promotes the effect of stagnant water stake's stability.
Description
Technical Field
The application relates to the technical field of building construction, in particular to a foundation pit wall waterproof curtain system and a construction method thereof.
Background
The existing foundation pit refers to the underground space excavated for the construction of the foundation and basement of the building (including the structure), and is applied to the building engineering, wherein the waterproof curtain is the most common method for waterproofing in the foundation pit construction, the waterproof curtain is a concept in the foundation pit waterproof engineering, and the waterproof wall formed by single pipes and three pipes of jet grouting piles is called as the waterproof curtain.
When the existing waterproof curtain is constructed, the construction of a waterproof pile is generally carried out firstly, a top beam is manufactured at the top of the waterproof pile after the construction of the waterproof pile is completed, the excavation of a foundation pit is carried out in a space enclosed by the water-stopping pile shaped like a Chinese character 'hui' after the construction of the top beam is completed, and waterproof treatment is carried out in the excavation process of the foundation pit through the waterproof pile in the excavation process of the foundation pit.
In view of the above-described related art, the inventors have considered that there is a drawback that the waterproof pile is inclined into the foundation pit.
Disclosure of Invention
In order to reduce the phenomenon that the waterproof piles can incline towards the interior of the foundation pit and improve the stability of the waterproof piles, the application provides a foundation pit wall waterproof curtain system and a construction method thereof.
In a first aspect, the application provides a foundation pit wall waterproof curtain system, which adopts the following technical scheme:
the utility model provides a foundation ditch pithead stagnant water curtain system, includes stagnant water pile group and sets up the crown beam on stagnant water pile group, a plurality of mounting holes have been seted up on the stagnant water pile group, wear to be equipped with the anchor rope in the mounting hole, the one end that the anchor rope inserted in the mounting hole inserts in the road bed and pours the shaping with the road bed, the medial surface of stagnant water pile group is provided with the backing plate, the hole of stepping down has been seted up on the backing plate, the anchor rope is located the inboard one end of stagnant water pile group and passes the hole of stepping down, and the cover is equipped with and is used for the taut anchor head of anchor rope, the anchor head butt is on the backing plate.
Through adopting above-mentioned technical scheme, through the setting of anchor rope, insert the anchor rope behind the mounting hole, and in inserting the road bed, pour the concrete to anchor rope department afterwards, make anchor rope and stagnant water pile group and road bed pour the shaping together, place the backing plate afterwards to taut the anchor rope through the anchor head, can realize handling the reinforcement of stagnant water pile group, and then reduce the phenomenon that stagnant water pile group can take place the slope to the foundation ditch in.
Optionally, the mounting hole is arranged in a direction towards the outside of the foundation pit and inclined downwards.
Through adopting above-mentioned technical scheme, through with the mounting hole towards the slope setting downwards that deviates from the direction of backing plate, when concrete placement, can carry out the efficient along the mounting hole and flow, simultaneously, make the anchor rope of installing in the mounting hole more stable to the support of stagnant water stake group.
Optionally, the backing plate includes a plurality of connecting plates, an inserting groove is provided at one end of each connecting plate, an inserting block clamped with the inserting groove is provided at the other end of each connecting plate, and two adjacent connecting plates are sequentially connected end to end by inserting the inserting block into the inserting groove to form the backing plate.
Through adopting above-mentioned technical scheme, through in inserting the inserting groove of adjacent connecting plate with the grafting piece, can install two adjacent connecting plates, and then make the installation of connecting plate more stable, it is more convenient for carrying the transportation of whole connecting plate to make the carrying of connecting plate transport simultaneously.
Optionally, a threaded hole is formed in one end of the connecting plate, and a reinforcing device in threaded fit with the threaded hole is arranged at the other end of the connecting plate.
Through adopting above-mentioned technical scheme, through reinforcing apparatus's setting, reinforcing apparatus is connected with the connecting plate, can consolidate two adjacent connecting plates, makes the connection between two adjacent connecting plates more stable.
Optionally, the reinforcing device comprises a reinforcing plate arranged on the connecting plate and a retaining member arranged on the reinforcing plate and used for extruding and locking the reinforcing plate and the connecting plate, and the retaining member is in threaded fit with the threaded hole.
Through adopting above-mentioned technical scheme, with the retaining member rotating, can carry out threaded connection with the screw hole, and then install the gusset plate on two adjacent connecting plates, can realize the reinforcement processing between two adjacent connecting plates through the gusset plate.
Optionally, a connecting device is arranged on the connecting plate, the connecting device comprises a first clamping plate and a second clamping plate which are arranged on the connecting plate, and a connecting mechanism for connecting the first clamping plate with a second clamping plate on an adjacent connecting plate, and the first clamping plate and the second clamping plate are arranged oppositely and used for extruding and clamping the water stop pile group.
By adopting the technical scheme, through the arrangement of the connecting device, after the clamping plate I and the clamping plate II are clamped on the water stopping pile group, the clamping plate I is connected with the clamping plate II on the adjacent connecting plate through the connecting mechanism, so that the connection of the clamping plate I and the clamping plate II on the adjacent connecting plate can be realized, the water stopping pile group is further reinforced, and the phenomenon of deviation of a single water stopping pile is reduced.
Optionally, the connecting mechanism comprises a first connecting pipe hinged on the second clamping plate, a second connecting pipe hinged on the first clamping plate and an extrusion piece arranged on the first connecting pipe and used for extruding and locking the second connecting pipe.
By adopting the technical scheme, the first connecting pipe and the second connecting pipe are rotated, so that the first connecting pipe and the second connecting pipe are extruded and locked by rotating the extrusion piece after the central axes of the first connecting pipe and the second connecting pipe are superposed, and the first connecting pipe and the second connecting pipe are locked.
Optionally, the first clamping plate and the second clamping plate are both provided with a rotating shaft in a penetrating manner, and the rotating shaft is in rotating fit with the connecting plate.
Through adopting above-mentioned technical scheme, wear to establish the pivot through in grip block one and grip block two, make and to rotate relatively between grip block one and the grip block two, realize the rotation between grip block one and the grip block two and adjust, and then can carry out the fixed stay to the stagnant water stake of different diameters size.
Optionally, the cover is equipped with the torsional spring that is used for promoting grip block one and grip block two to stagnant water pile group extrusion locking in the pivot, the one end butt of torsional spring is on grip block one, and other end butt is on the connecting plate.
Through adopting above-mentioned technical scheme, through the setting of torsional spring, can promote grip block one and grip block two, and then make grip block one and grip block two when the stagnant water stake centre gripping, grip block one and grip block two can support tightly on the stagnant water stake automatically, and the operation is more convenient.
In a second aspect, a method for constructing a waterproof curtain system for a pit wall of a foundation pit by using the waterproof curtain system for a pit wall of a foundation pit comprises the following steps:
and (3) construction of a water stop pile group: firstly, excavating a hole on the ground where the water-stopping pile is required to be constructed, pouring concrete in the hole, placing a reinforcement cage at intervals of one pile, and repeatedly constructing in such a way to form a water-stopping pile group;
construction of a crown beam: excavating the ground to expose the pile head, removing the solidified concrete of the pile head to expose the reinforcing steel bars, placing a waist-shaped reinforcement cage at the reinforcing steel bars of the pile head, erecting a mold, pouring concrete, and removing the mold after pouring molding;
and (3) reinforcing the water stop pile group: the method comprises the steps of forming a mounting hole in a water stopping pile group, inserting an anchor rope into the mounting hole, pouring concrete into the mounting hole, enabling a base plate to abut against the water stopping pile group, penetrating the anchor rope through the base plate, and then tensioning the anchor rope by mounting an anchor head on the anchor rope to finish the reinforcing operation of the water stopping pile group.
Through adopting above-mentioned technical scheme, be under construction earlier to stagnant water pile group, be under construction to the hat roof beam after that, insert the anchor rope afterwards behind the mounting hole, and in inserting the roadbed, place the backing plate afterwards to taut the anchor rope through the anchor head, can realize handling the reinforcement of stagnant water pile group, and then reduce the phenomenon that stagnant water pile group can take place to incline in the foundation ditch.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the setting of anchor rope, insert the mounting hole with the anchor rope after, and in inserting the roadbed, pour the concrete to anchor rope department afterwards, make anchor rope and stagnant water pile group and roadbed pour the shaping together, place the backing plate afterwards to it is taut with the anchor rope through the anchor head, can realize handling the reinforcement of stagnant water pile group, and then reduce the phenomenon that stagnant water pile group can take place the slope in to the foundation ditch.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic view of a partial explosion structure showing a connection relationship of a connection device and a connection plate;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
fig. 5 is a partial explosion structure diagram showing the connection relationship of the extrusion and the second connection pipe.
Description of reference numerals: 1. a water stop pile group; 11. mounting holes; 2. a crown beam; 3. an anchor cable; 4. a base plate; 41. a connecting plate; 411. inserting grooves; 412. an insertion block; 5. an anchor head; 6. a reinforcing device; 61. a reinforcing plate; 62. a locking member; 63. a limiting rod; 7. a connecting device; 71. a first clamping plate; 72. a second clamping plate; 73. a connecting mechanism; 731. a first connecting pipe; 732. a second connecting pipe; 733. an extrusion; 8. a rotating shaft; 9. a torsion spring; 10. and supporting the cushion frame.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a waterproof curtain system for a foundation pit wall. Referring to fig. 1 and 2, the water-stopping pile group 1 and the crown beam 2 arranged on the top end of the water-stopping pile group 1 are included, the water-stopping pile group 1 is of a 'return' structure formed by a plurality of water-stopping piles arranged along the height direction of a foundation pit, the crown beam 2 is of a 'return' structure formed by pouring a waist-shaped reinforcement cage arranged on the top end of the water-stopping pile group 1, and the water-stopping pile group 1 is reinforced through the crown beam 2.
Referring to fig. 1 and 2, spaced apart on the stagnant water pile group 1 and being equipped with a plurality of mounting holes 11, combine fig. 3, mounting hole 11 is the round hole that sets up downwards for inclining in the outside direction of foundation ditch, wears to be equipped with anchor rope 3 in the mounting hole 11, and anchor rope 3 inserts the one end in the mounting hole 11 and inserts in the road bed and pour the shaping with the road bed, and the other end of anchor rope 3 stretches out mounting hole 11. The medial surface of stagnant water pile group 1 is provided with backing plate 4, and backing plate 4 sets up a week on the medial surface of stagnant water pile group 1, has seted up the hole of stepping down on backing plate 4, and the hole of stepping down be with the hole of the slope of 11 looks adaptations of mounting hole, and the hole of stepping down is passed to the one end that anchor rope 3 is located stagnant water pile group 1 inboard, and the cover is equipped with and is used for 3 taut anchor heads 5 of anchor rope, and anchor heads 5 are hollow cylindric structure, and anchor heads 5 butt is on backing plate 4. A supporting cushion frame 10 is arranged between the anchor head 5 and the cushion plate 4, and one end of the anchor cable 3 penetrates through the supporting cushion frame 10. After the anchor cable 3 is poured and fixed, the backing plate 4 is placed on the inner side surface of the water stop pile group 1, then the support cushion frame 10 is installed on the anchor cable 3, one side surface of the support cushion frame 10 abuts against the backing plate 4, then the anchor head 5 is installed on the anchor cable 3, and the anchor cable 3 is tensioned through the anchor head 5.
Referring to fig. 1 and 2, in order to make the carrying and transporting of the backing plate 4 more convenient, the backing plate 4 includes a plurality of connecting plates 41, the connecting plates 41 are rectangular plates, an insertion groove 411 is provided at one end of the connecting plates 41, the insertion groove 411 is a T-shaped blind groove, the top end of the insertion groove 411 is an open end, the bottom end is a closed end, an insertion block 412 clamped with the insertion groove 411 is integrally provided at the other end of the connecting plates 41, and the insertion block 412 is a T-shaped block. When the pad 4 is mounted, the two adjacent connection plates 41 are inserted into the insertion grooves 411 by inserting the insertion blocks 412 into the insertion grooves 411 in an end-to-end manner to form the pad 4 (the state is shown in fig. 1).
Referring to fig. 1 and 2, in order to make the connection between two adjacent connecting plates 41 more stable, a threaded hole is formed in one end of each connecting plate 41, a reinforcing device 6 in threaded fit with the threaded hole is arranged at the other end of each connecting plate 41, a limiting rod 63 is fixedly arranged at the other end of each connecting plate 41, each limiting rod 63 is a T-shaped rod, each reinforcing device 6 comprises a reinforcing plate 61 and a locking member 62, the reinforcing plate 61 is rotatably sleeved on each connecting plate 41, each locking member 62 is arranged on each reinforcing plate 61 and used for extruding and locking the reinforcing plate 61 and the connecting plates 41, each reinforcing plate 61 comprises a circular ring and a rectangular plate, the circular ring is rotatably sleeved on the corresponding limiting rod 63, each locking member 62 can directly adopt a bolt, and each locking member 62 is in threaded fit with the threaded hole. The reinforcing plate 61 can be fixedly attached to the adjacent connecting plates 41 by screwing the locking member 62 into the threaded hole, thereby fixedly connecting the plurality of connecting plates 41.
Referring to fig. 3 and 4, in order to stabilize the connection between two adjacent water stop piles, a connection device 7 is provided on the connection plate 41, and the two adjacent water stop piles are connected by the connection device 7. With reference to fig. 5, the connecting device 7 includes a first clamping plate 71, a second clamping plate 72 and a connecting mechanism 73 for connecting the first clamping plate to the second clamping plate 72 on the adjacent connecting plate 41, the first clamping plate 71 and the second clamping plate 72 are both arc plates, the first clamping plate 71 and the second clamping plate 72 are arranged oppositely, the first clamping plate 71 and the second clamping plate 72 are both fixedly provided with the rotating shaft 8 in a penetrating manner, the rotating shaft 8 is arranged along the height direction of the foundation pit, and the connecting plate 41 is fixedly provided with a plate for rotatably supporting the rotating shaft 8.
Referring to fig. 3 and 4, the rotating shaft 8 is sleeved with a torsion spring 9 for pushing the first clamping plate 71 and the second clamping plate 72 to squeeze and lock the water stop pile group 1, the torsion spring 9 and the rotating shaft 8 are coaxially arranged, and with reference to fig. 5, one end of the torsion spring 9 abuts against the first clamping plate 71, and the other end abuts against the connecting plate 41. When the connecting plate 41 is installed, the first clamping plate 71 and the second clamping plate 72 are pushed to the water stop pile, the first clamping plate 71 and the second clamping plate 72 rotate in the direction away from each other, the torsion spring 9 is compressed, and after the first clamping plate 71 and the second clamping plate 72 abut against the outer peripheral surface of the water stop pile, the torsion spring 9 releases elastic restoring force to drive the first clamping plate 71 and the second clamping plate 72 to extrude and clamp the water stop pile group 1.
Referring to fig. 3 and 4, in combination with fig. 5, a rotating seat is fixedly installed on each of the first clamping plate 71 and the second clamping plate 72, the connecting mechanism 73 includes a first connecting pipe 731 hinged on the second clamping plate 72, a second connecting pipe 732 hinged on the first clamping plate 71, and an extrusion part 733 in threaded fit with the first connecting pipe 731 and used for extruding and locking the second connecting pipe 732, the first connecting pipe 731 is hinged with the second clamping plate 72 through the rotating seat, and the second connecting pipe 732 is hinged with the first clamping plate 71 through the rotating seat. The first and second connection pipes 731 and 732 are cylindrical pipes, and the extrusion part 733 may be directly provided as a screw sleeve screw-engaged with the second connection pipe 732. When the first clamping plate 71 and the second adjacent clamping plate 72 need to be connected, the first connecting pipe 731 and the second connecting pipe 732 are aligned, then the extrusion part 733 is rotated, the extrusion part 733 is screwed into the second connecting pipe 732, the first connecting pipe 731 and the second connecting pipe 732 are connected, and the first clamping plate 71 and the second clamping plate 72 clamp and limit the water stop pile.
The implementation principle of a foundation pit wall waterproof curtain system in the embodiment of the application is as follows: when needing to be under construction, earlier construct stagnant water pile group 1 and crown beam 2, open mounting hole 11 on stagnant water pile afterwards, insert anchor rope 3 in mounting hole 11, and pour anchor rope 3 fixedly, install two adjacent connecting plates 41 through the mode of pegging graft afterwards, the installation forms two sets of connecting plates 41 along the length direction of foundation ditch, and after two sets of connecting plates 41 along the width direction of foundation ditch, fix through reinforcing apparatus 6, be connected connecting apparatus 7 and stagnant water pile group 1 afterwards, will be along two sets of connecting plates 41 on the length direction of foundation ditch, after two sets of mounting plates 41 on the width direction of foundation ditch are installed, afterwards with two adjacent connecting plates 41 of corner fixed welding together of the backing plate 4 of "returning" font, accomplish the construction operation to stagnant water curtain.
Referring to fig. 1 and fig. 2, the present application further provides a method for constructing a waterproof curtain of a foundation pit wall, and as shown in the figure, the method for constructing the waterproof curtain of the foundation pit wall adopts the above system, which specifically includes the following steps:
and (3) construction of a water stop pile group 1: firstly, excavating a hole on the ground where the water-stopping pile is required to be constructed, pouring concrete in the hole, placing a reinforcement cage at intervals of one pile, and repeatedly constructing in such a way to form a water-stopping pile group 1;
and (3) construction of the crown beam 2: excavating the ground to expose the pile head, removing the solidified concrete of the pile head to expose the reinforcing steel bars, placing a waist-shaped reinforcement cage at the reinforcing steel bars of the pile head, erecting a mold, pouring concrete, and removing the mold after pouring molding;
and (3) reinforcing the water stop pile group 1: the method comprises the steps of forming a mounting hole 11 in a water-stopping pile group 1, inserting an anchor cable 3 into the mounting hole 11, pouring concrete into the mounting hole 11, abutting a backing plate 4 on the water-stopping pile group 1, penetrating the anchor cable 3 through the backing plate 4, and then tensioning the anchor cable 3 by mounting an anchor head 5 on the anchor cable 3 to finish the reinforcing operation of the water-stopping pile group 1.
The construction method comprises the steps of constructing the water stop piles 1 to form the water stop pile group 1 in a shape like the Chinese character 'hui', constructing the crown beam 2, inserting the anchor cable 3 into the mounting hole 11, inserting the anchor cable into a roadbed, placing the base plate 4, tensioning the anchor cable 3 through the anchor head 5, and completing the construction operation of the water stop curtain. The above embodiments have been described in detail, and therefore are not described in detail herein.
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 (10)
1. The utility model provides a foundation ditch pithead stagnant water curtain system, includes stagnant water pile group (1) and sets up crown beam (2) on stagnant water pile group (1), its characterized in that: seted up a plurality of mounting holes (11) on stagnant water pile group (1), wear to be equipped with anchor rope (3) in mounting hole (11), the shaping is pour with the road bed in anchor rope (3) one end that inserts in mounting hole (11) inserts the road bed in and, the medial surface of stagnant water pile group (1) is provided with backing plate (4), seted up the hole of stepping down on backing plate (4), the one end that anchor rope (3) are located stagnant water pile group (1) inboard passes the hole of stepping down, and the cover is equipped with and is used for anchor head (5) taut with anchor rope (3), anchor head (5) butt is on backing plate (4).
2. The waterproof curtain system for the foundation pit wall is characterized in that: the mounting hole (11) is arranged in a downward inclined mode towards the direction of the outer portion of the foundation pit.
3. The waterproof curtain system for the foundation pit wall is characterized in that: the base plate (4) comprises a plurality of connecting plates (41), an inserting groove (411) is formed in one end of each connecting plate (41), an inserting block (412) connected with the inserting groove (411) in a clamped mode is arranged at the other end of each connecting plate (41), and the adjacent two connecting plates (41) are sequentially connected end to end through inserting the inserting blocks (412) into the inserting grooves (411) to form the base plate (4).
4. The waterproof curtain system for the foundation pit wall as claimed in claim 3, wherein: one end of the connecting plate (41) is provided with a threaded hole, and the other end of the connecting plate (41) is provided with a reinforcing device (6) in threaded fit with the threaded hole.
5. The waterproof curtain system for the foundation pit wall as claimed in claim 4, wherein: reinforcing apparatus (6) including set up gusset plate (61) on connecting plate (41) and set up on gusset plate (61) and be used for retaining member (62) with gusset plate (61) and connecting plate (41) extrusion locking, retaining member (62) and screw hole screw-thread fit.
6. The waterproof curtain system for the foundation pit wall as claimed in claim 3, wherein: the water-stopping pile group connecting device is characterized in that a connecting device (7) is arranged on the connecting plate (41), the connecting device (7) comprises a first clamping plate (71), a second clamping plate (72) and a connecting mechanism (73), the first clamping plate (71) and the second clamping plate (72) are arranged on the connecting plate (41), the second clamping plate (72) is used for connecting the first clamping plate with the second clamping plate (72) on the adjacent connecting plate (41), and the first clamping plate (71) and the second clamping plate (72) are arranged oppositely and used for extruding and clamping the water-stopping pile group (1).
7. The waterproof curtain system for the foundation pit wall as claimed in claim 6, wherein: the connecting mechanism (73) comprises a first connecting pipe (731) hinged to the second clamping plate (72), a second connecting pipe (732) hinged to the first clamping plate (71) and an extrusion part (733) which is arranged on the first connecting pipe (731) and used for extruding and locking the second connecting pipe (732).
8. The waterproof curtain system for the foundation pit wall as claimed in claim 7, wherein: the rotating shaft (8) penetrates through the first clamping plate (71) and the second clamping plate (72), and the rotating shaft (8) is in running fit with the connecting plate (41).
9. The waterproof curtain system for the foundation pit wall as claimed in claim 8, wherein: the rotating shaft (8) is sleeved with a torsion spring (9) used for pushing the clamping plate I (71) and the clamping plate II (72) to extrude and lock the water stopping pile group (1), one end of the torsion spring (9) is abutted to the clamping plate I (71), and the other end of the torsion spring is abutted to the connecting plate (41).
10. A foundation pit wall waterproof curtain construction method is characterized by comprising the following steps: a foundation pit wall waterproof curtain system using any one of the above claims 1-9, comprising the following:
and (3) construction of the water stop pile group (1): firstly, excavating a hole on the ground where the water-stopping pile is required to be constructed, pouring concrete in the hole, placing a reinforcement cage at intervals of one pile, and repeatedly constructing in such a way to form a water-stopping pile group (1);
construction of the crown beam (2): excavating the ground to expose the pile head, removing the solidified concrete of the pile head to expose the reinforcing steel bars, placing a waist-shaped reinforcement cage at the reinforcing steel bars of the pile head, erecting a mold, pouring concrete, and removing the mold after pouring molding;
and (3) reinforcing the water stop pile group (1): the water-stopping pile group (1) is provided with a mounting hole (11), an anchor cable (3) is inserted into the mounting hole (11), concrete is poured into the mounting hole (11), then a backing plate (4) is abutted to the water-stopping pile group (1), the anchor cable (3) is tensioned by installing an anchor head (5) on the anchor cable (3) after the anchor cable (3) penetrates through the backing plate (4), and the water-stopping pile group (1) is reinforced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210695745.9A CN115012435B (en) | 2022-06-20 | 2022-06-20 | Foundation pit wall waterproof curtain system and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210695745.9A CN115012435B (en) | 2022-06-20 | 2022-06-20 | Foundation pit wall waterproof curtain system and construction method thereof |
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| Publication Number | Publication Date |
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| CN115012435A true CN115012435A (en) | 2022-09-06 |
| CN115012435B CN115012435B (en) | 2022-11-29 |
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| CN115977114A (en) * | 2023-02-10 | 2023-04-18 | 江苏省华厦工程项目管理有限公司 | Anti-seepage foundation pit supporting structure and construction method |
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| CN214783958U (en) * | 2021-01-23 | 2021-11-19 | 北京滕宇翔建设工程有限公司 | Foundation ditch stagnant water curtain structure |
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| CN216555699U (en) * | 2021-12-28 | 2022-05-17 | 无锡普乐玛冷冻机械有限公司 | Energy-saving water-cooling water chilling unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977114A (en) * | 2023-02-10 | 2023-04-18 | 江苏省华厦工程项目管理有限公司 | Anti-seepage foundation pit supporting structure and construction method |
| CN115977114B (en) * | 2023-02-10 | 2023-12-01 | 江苏省华厦工程项目管理有限公司 | Anti-seepage water-based pit supporting structure and construction method |
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