CN215052894U - Positioning and water-stopping device for reinforcement cage of underground continuous wall - Google Patents

Positioning and water-stopping device for reinforcement cage of underground continuous wall Download PDF

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Publication number
CN215052894U
CN215052894U CN202120327612.7U CN202120327612U CN215052894U CN 215052894 U CN215052894 U CN 215052894U CN 202120327612 U CN202120327612 U CN 202120327612U CN 215052894 U CN215052894 U CN 215052894U
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CN
China
Prior art keywords
steel
reinforcement cage
water
positioning
plate
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Expired - Fee Related
Application number
CN202120327612.7U
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Chinese (zh)
Inventor
张琦
刘东峰
罗玉伟
罗威力
汤雄峰
任涛
朱泽文
王旭锋
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China Railway Guangzhou Engineering Group Co Ltd CRECGZ
CRECGZ Shenzhen Engineering Co Ltd
Original Assignee
China Railway Guangzhou Engineering Group Co Ltd CRECGZ
CRECGZ Shenzhen Engineering Co Ltd
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Application filed by China Railway Guangzhou Engineering Group Co Ltd CRECGZ, CRECGZ Shenzhen Engineering Co Ltd filed Critical China Railway Guangzhou Engineering Group Co Ltd CRECGZ
Priority to CN202120327612.7U priority Critical patent/CN215052894U/en
Application granted granted Critical
Publication of CN215052894U publication Critical patent/CN215052894U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a positioning and water stopping device for a reinforcement cage of an underground continuous wall, wherein a connecting rib is arranged outwards on a main rib of the reinforcement cage; install an at least positioning steel plate on the lateral wall of steel reinforcement cage one side, install the stagnant water steel sheet of an at least concatenation combination on the lateral wall of steel reinforcement cage another side, positioning steel plate, stagnant water steel sheet and steel reinforcement cage surface parallel arrangement, through stagnant water sealing fastener sealing connection between the adjacent stagnant water steel sheet. When this application stagnant water steel sheet exists, the steel reinforcement cage can be controlled when putting down the steel reinforcement cage with the interval of grooving, reduced the steel reinforcement cage effectively and transferred the straightness deviation that hangs down of in-process, can also guarantee underground continuous wall's protective layer thickness simultaneously, reduce the risk of reinforcing bar corrosion, increase the life of structure.

Description

Positioning and water-stopping device for reinforcement cage of underground continuous wall
Technical Field
The utility model relates to an underground continuous wall construction field, concretely relates to underground continuous wall steel reinforcement cage location watertight fittings.
Background
Under the big environment that green construction, energy-concerving and environment-protective and assembly construction are advocated greatly in the country, adopt underground continuous wall to be as the permanent structure side wall of underground station and concurrently to be the retaining soil stagnant water envelope of foundation ditch excavation stage single wall form and replace the underground continuous wall or drilling bored concrete pile + main part concrete frame structural style of traditional subway station, this structural style has solved the atress problem that underground continuous wall is the permanent structure side wall, main part frame construction and additional waterproof layer have been cancelled simultaneously, can reduce engineering cost and practice thrift the time limit for a project, have certain superiority. However, the underground diaphragm wall is a permanent structure, and due to the characteristics of underground engineering, the flatness, the quality, the verticality, the precision of embedded parts and the like of the underground diaphragm wall are difficult to control. When the underground continuous wall is close to the regions such as lakes, rivers and the like with abundant underground water, water is easy to leak from the joints between the wall panels of the underground continuous wall, the leakage prevention of the joints of the wall panels is a key problem, and particularly when the underground continuous wall is used as a permanent outer wall of an underground structure, the joints need to have good water stopping measures.
The existing construction method has a plurality of problems. For example: when underground continuous wall steel reinforcement cage transferred, adopt the manual work to carry out the straightness control that hangs down, lead to the straightness control that hangs down to have the deviation, be difficult to guarantee the precision of underground continuous wall construction. After the construction of the underground continuous wall is completed, if the underground continuous wall is used as a main structure, the side wall of the underground continuous wall needs to be leveled, a large amount of labor needs to be consumed, and the construction cost is increased. The seam between the wall panels of the underground continuous wall is easy to leak water, so that the effect of the underground continuous wall as a permanent structure is poor, the construction life of the structure is influenced, and the repair cost is increased.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model aims at providing a higher, the better, the longer underground continuous wall steel reinforcement cage location sealing device of life of smoothness of construction precision.
In order to realize the technical purpose, the utility model discloses a scheme is: the utility model provides an underground continuous wall steel reinforcement cage location sealing device, includes the steel reinforcement cage that is formed by main muscle vertically and horizontally staggered connection, its characterized in that: the main reinforcement of the steel reinforcement cage is also provided with connecting ribs outwards, one side of the steel reinforcement cage is provided with a positioning steel plate, the other side of the steel reinforcement cage is provided with a water stop steel plate, adjacent water stop steel plates are hermetically connected through an I-shaped water stop sealing fastener, and the positioning steel plate and the water stop steel plate are respectively and fixedly connected through the connecting ribs;
the water-stop sealing fastener is formed by combining a web plate, wing plates and a water-stop flexible member, the wing plates are arranged at one end of the web plate, an I-shaped sealing plate is arranged at the other end of the web plate, and the water-stop flexible members are symmetrically arranged on the inner side of the sealing plate;
the sealing plate can be nested and installed between adjacent water stop steel plates, the water stop flexible piece is in contact connection with the water stop steel plates, and the surface of the wing plate at the other end of the water stop sealing fastener is tightly attached to the positioning steel plate at the other side.
Preferably, the reinforcement cage is of a rectangular structure, and a hanging piece is arranged at the top of the reinforcement cage.
Preferably, the water stopping flexible piece is a flexible silica gel ring or a silica gel pad.
Preferably, the positioning steel plates, the water stop steel plates and the surface of the steel reinforcement cage are arranged in parallel, at least two positioning steel plates with intervals are arranged on the side surface of the steel reinforcement cage, and at least one water stop steel plate is arranged on the other side of the steel reinforcement cage.
The beneficial effects of the utility model are that, when the water stop steel plate exists, the steel reinforcement cage can control the distance between the steel reinforcement cage and the grooving when being put down, thereby effectively reducing the verticality deviation of the steel reinforcement cage in the putting down process, simultaneously ensuring the thickness of the protective layer of the underground continuous wall, reducing the risk of corrosion of the steel reinforcement and prolonging the service life of the structure; the side surface of the reinforcement cage of the underground diaphragm wall is provided with the positioning steel plate, so that the process of leveling the side wall of the foundation pit is avoided during excavation of the foundation pit, the excavation efficiency of the foundation pit is improved, and the smoothness of the side wall of the underground diaphragm wall is ensured; set up the stagnant water sealing fastener between the stagnant water steel sheet, connect more easily, more can reach prevention of seepage leak protection effect for traditional stagnant water steel sheet simultaneously, the life increase of underground continuous wall as permanent structure.
Drawings
Fig. 1 is a schematic structural view of a top view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a reference diagram of the water stop steel plate of the present invention approaching the inner side of the foundation pit;
FIG. 4 is a reference diagram of the positioning steel plate of the present invention approaching the outer side of the foundation pit;
fig. 5 is a schematic structural view of the flexible water stop member of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-5, specific embodiment be an underground continuous wall steel reinforcement cage location sealing device, include the steel reinforcement cage 1 of the rectangle structure that is formed by main muscle vertically and horizontally staggered connection, still be provided with splice bar 101 outwards on the main muscle of steel reinforcement cage 1, 1 tops of steel reinforcement cage are provided with flying piece 102.
Install an at least positioning steel plate 2 on 1 one side lateral wall of steel reinforcement cage, install the stagnant water steel sheet 3 that an at least ability concatenation combination on 1 another side lateral wall of steel reinforcement cage, positioning steel sheet 2, stagnant water steel sheet 3 and 1 surperficial parallel arrangement of steel reinforcement cage, through 4 sealing connection of stagnant water sealing fastener between the adjacent stagnant water steel sheet 3, positioning steel sheet 2, stagnant water steel sheet 3 respectively with through splice bar 101 fixed connection. The positioning steel plate 2 and the water stop steel plate 3 are made of steel plates.
The water-stop sealing fastener 4 is formed by combining a web 401, a wing plate 402 and a water-stop flexible piece 403, wherein the wing plate 402 is arranged at one end of the web 401, an I-shaped sealing plate 404 is arranged at the other end of the web 401, and the water-stop flexible pieces 403 are symmetrically arranged on the inner side of the sealing plate 404; the water stop flexible member 403 is a flexible silicone ring or a silicone pad. The sealing plate 404 can be nested between adjacent water stop steel plates 3, the water stop flexible member 403 is in contact connection with the water stop steel plates 3, and the surface of the wing plate 402 at the other end of the water stop sealing fastener 403 is closely attached to the positioning steel plate 2 at the other side.
During construction, the hydraulic grab bucket and the double-wheel milling grooving are adopted for interval grooving construction, the sequence of interval construction is adopted for grooving, the grooves are cleaned and the walls are brushed, and the width of the grooves can ensure that the reinforcement cage can be smoothly transferred. According to the manufacturing process of the steel reinforcement cage, the steel reinforcement cage is manufactured in a mode that longitudinal and transverse main ribs are connected in a staggered mode, after the steel reinforcement cage is manufactured, the connecting ribs are fixedly connected with the main ribs according to the same intervals, the connecting ribs are perpendicular to the main ribs, the positioning steel plates and the water stop steel plates are fixed on the connecting ribs respectively, the positioning steel plates and the water stop steel plates are parallel to the surface of the steel reinforcement cage respectively, water stop sealing fasteners are installed between the water stop steel plates, and the water stop sealing fasteners are fixedly connected with the steel reinforcement cage. The application hoist lifts by crane the steel reinforcement cage and transfers the slotted hole in, when transferring, makes the location steel sheet hug closely the foundation ditch lateral wall, makes the stagnant water steel sheet hug closely the foundation ditch inside wall, transfers to the designation height place. Inserting a guide pipe for building and mixing into the reinforcement cage, and pouring concrete; and continuously vibrating the concrete in the pouring process, and finally, pouring the concrete to cover the top end of the reinforcement cage with an elevation. And (4) grooving the non-grooved part, grooving the adjacent constructed underground continuous wall, cleaning the groove and brushing the wall so that the adjacent underground continuous wall can form tight connection, and repeating the steps S3 and S4, wherein the concrete pouring elevation obtained by subsequent construction is consistent with that of the finished underground continuous wall.
When the water stop steel plate exists, the space between the reinforcement cage and the grooving can be controlled when the reinforcement cage is placed downwards, the verticality deviation in the process of placing the reinforcement cage is effectively reduced, meanwhile, the thickness of a protective layer of the underground continuous wall can be ensured, the risk of corrosion of the reinforcement is reduced, and the service life of the structure is prolonged; the side surface of the reinforcement cage of the underground diaphragm wall is provided with the positioning steel plate, so that the process of leveling the side wall of the foundation pit is avoided during excavation of the foundation pit, the excavation efficiency of the foundation pit is improved, and the smoothness of the side wall of the underground diaphragm wall is ensured; set up the stagnant water sealing fastener between the stagnant water steel sheet, connect more easily, more can reach prevention of seepage leak protection effect for traditional stagnant water steel sheet simultaneously, the life increase of underground continuous wall as permanent structure.
The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.

Claims (4)

1. The utility model provides an underground continuous wall steel reinforcement cage location sealing device, includes the steel reinforcement cage that is formed by main muscle vertically and horizontally staggered connection, its characterized in that: the main reinforcement of the steel reinforcement cage is also provided with connecting ribs outwards, one side of the steel reinforcement cage is provided with a positioning steel plate, the other side of the steel reinforcement cage is provided with a water stop steel plate, adjacent water stop steel plates are hermetically connected through an I-shaped water stop sealing fastener, and the positioning steel plate and the water stop steel plate are respectively and fixedly connected through the connecting ribs;
the water-stop sealing fastener is formed by combining a web plate, wing plates and a water-stop flexible member, the wing plates are arranged at one end of the web plate, an I-shaped sealing plate is arranged at the other end of the web plate, and the water-stop flexible members are symmetrically arranged on the inner side of the sealing plate;
the sealing plate can be nested and installed between adjacent water stop steel plates, the water stop flexible piece is in contact connection with the water stop steel plates, and the surface of the wing plate at the other end of the water stop sealing fastener is tightly attached to the positioning steel plate at the other side.
2. The underground continuous wall steel reinforcement cage positioning water stopping device as claimed in claim 1, wherein: the steel reinforcement cage is the rectangle structure, steel reinforcement cage top is provided with the flying piece.
3. The underground continuous wall steel reinforcement cage positioning water stopping device as claimed in claim 1, wherein: the water stopping flexible piece is a flexible silica gel ring or a silica gel pad.
4. The underground continuous wall steel reinforcement cage positioning water stopping device as claimed in claim 1, wherein: the steel bar cage comprises a steel bar cage body, a positioning steel plate, a water stop steel plate and a steel bar cage body, wherein the positioning steel plate, the water stop steel plate and the steel bar cage body are arranged in parallel, at least two positioning steel plates with intervals are arranged on the side face of the steel bar cage body, and at least one water stop steel plate is arranged on the other side of the steel bar cage body.
CN202120327612.7U 2021-02-05 2021-02-05 Positioning and water-stopping device for reinforcement cage of underground continuous wall Expired - Fee Related CN215052894U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120327612.7U CN215052894U (en) 2021-02-05 2021-02-05 Positioning and water-stopping device for reinforcement cage of underground continuous wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120327612.7U CN215052894U (en) 2021-02-05 2021-02-05 Positioning and water-stopping device for reinforcement cage of underground continuous wall

Publications (1)

Publication Number Publication Date
CN215052894U true CN215052894U (en) 2021-12-07

Family

ID=79255251

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120327612.7U Expired - Fee Related CN215052894U (en) 2021-02-05 2021-02-05 Positioning and water-stopping device for reinforcement cage of underground continuous wall

Country Status (1)

Country Link
CN (1) CN215052894U (en)

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211207