CN212477697U - Connection structure that underground continuous wall connects - Google Patents
Connection structure that underground continuous wall connects Download PDFInfo
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- CN212477697U CN212477697U CN202021098404.6U CN202021098404U CN212477697U CN 212477697 U CN212477697 U CN 212477697U CN 202021098404 U CN202021098404 U CN 202021098404U CN 212477697 U CN212477697 U CN 212477697U
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- water stop
- stop plate
- connecting piece
- continuous wall
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Abstract
The utility model relates to a connection structure that underground continuous wall connects, include: the connecting piece is embedded in the end part of the first unit section, and part of the connecting piece protrudes outwards; the water stop plate is fixed on the protruding part of the connecting piece and protrudes towards the direction of the second unit section, and the bottom elevation of the water stop plate is higher than that of the connecting piece; and the water stop plate is arranged in the groove and is fixedly connected with the bottom of the groove, and after the second unit section is formed by pouring, the water stop plate is embedded in the second unit section. The utility model discloses the effectual counterforce box of having solved plays the problem of pulling out the difficulty, has avoided the counterforce box to set up the restriction of the degree of depth to the joint, has guaranteed the waterproof performance of junction, and simple structure easily realizes.
Description
Technical Field
The utility model relates to a building construction field refers in particular to a connection structure that underground continuous wall connects.
Background
The underground continuous wall is characterized in that a long and narrow deep groove is excavated along the peripheral axis of a deep excavation project, a reinforcement cage is hung in the groove, and concrete is poured, so that a continuous reinforced concrete wall is built underground and serves as a structure for intercepting water, preventing seepage, bearing and retaining water.
Through articulate between the underground continuous wall unit, rigid joint commonly used at present is cross steel plate joint, need set up the counterforce box in joint department when pouring formation underground continuous wall, pull up the counterforce box after treating underground continuous wall to reach setting for intensity, consequently the depth of setting up of this kind of joint receives the restriction, if the degree of depth exceeds 60m, the concrete of pouring underground continuous wall unit section can be by-pass and lock the counterforce box, make the counterforce box play to pull out the difficulty, even can not pull out the counterforce box, construction quality is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a connection structure that underground continuous wall connects, solved the counterforce box and played the problem of pulling out the difficulty, avoided the counterforce box to set up the restriction of the degree of depth to the joint, guaranteed the waterproof performance of junction, and simple structure easily realizes.
The technical scheme for realizing the purpose is as follows:
the utility model provides a connection structure that underground continuous wall connects for connect adjacent first unit section and second unit section, this connection structure includes:
the connecting piece is embedded in the end part of the first unit section, and part of the connecting piece protrudes outwards;
the water stop plate is fixed on the protruding part of the connecting piece and protrudes towards the direction of the second unit section, and the bottom elevation of the water stop plate is higher than that of the connecting piece; and
and the water stop plate is arranged in the groove and is fixedly connected with the bottom of the groove, and after the second unit section is formed by pouring, the water stop plate is embedded in the second unit section.
The utility model provides a connection structure of underground continuous wall joint, through burying the connecting piece part underground in the first unit section, and set up the sealing plate in the position that the connecting piece corresponds the second unit section, in order to satisfy the stagnant water needs of underground continuous wall, in addition the bottom elevation of sealing plate is higher than the bottom elevation of connecting piece, namely the depth that the sealing plate set up is shallower, therefore the depth that the counterforce box set up when pouring and forming the first unit section is also shallower, can pull out the counterforce box easily, and then the tip of the steel reinforcement cage of the second unit section is fixedly connected with the connecting piece, and the sealing plate is arranged in the recess and is fixedly connected with the bottom of recess, and then pour concrete to form the second unit section, at this moment the sealing plate underground is in the second unit section, the problem of the counterforce box difficulty of pulling out is solved, the restriction of counterforce box to the joint depth setting is avoided, the waterproof performance of junction has been guaranteed, and the structure is simple and easy to realize.
The connection structure of the underground continuous wall joint of the utility model is further improved in that the section of the connection piece is H-shaped and comprises two wing plates which are oppositely arranged and a connection plate which is vertically connected between the two wing plates;
the opposite ends of the two wing plates are embedded in the first unit section, the other ends of the two wing plates are fixedly connected with a reinforcement cage of the second unit section, and the connecting plate is attached to the corresponding end of the first unit section.
The utility model discloses underground continuous wall connects's connection structure's further improvement lies in, and the one end of this pterygoid lamina and the tip fixed connection of the steel reinforcement cage of first unit section pour and form first unit section back, and this pterygoid lamina part is buried underground in first unit section.
The utility model discloses underground continuous wall connects's connection structure's further improvement lies in, the top of this stagnant water board and the top surface parallel and level of first unit section, and the bottom of this stagnant water board is located the below 5m department of the foundation ditch bottom surface of treating the excavation.
The utility model discloses underground continuous wall connects's connection structure's further improvement lies in, the top of this connecting piece and the top surface parallel and level of first unit section, and the bottom of this connecting piece is located the below 20cm department of the bottom surface of first unit section.
Drawings
Fig. 1 is an exploded view of the connection structure of the underground diaphragm wall joint of the present invention.
Fig. 2 is a plan view of the connecting piece and the water stop plate part in the connecting structure of the underground continuous wall joint of the present invention.
Fig. 3 is a perspective view of the connecting piece and the water stop plate part in the connection structure of the underground continuous wall joint of the utility model.
Fig. 4 is the construction state diagram of the connection structure of the underground continuous wall joint of the utility model.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1, the utility model provides a connection structure of underground continuous wall joint, through burying the connecting piece part underground in the first unit section, and set up the stagnant water board in the position that the connecting piece corresponds the second unit section, in order to satisfy the stagnant water needs of underground continuous wall, in addition the bottom elevation of stagnant water board is higher than the bottom elevation of connecting piece, namely the depth that the stagnant water board set up is shallow, therefore the depth that the counterforce box set up when pouring forms the first unit section is also shallow, can pull out the counterforce box easily, and then the tip of the steel reinforcement cage of second unit section is fixedly connected with the connecting piece, and the stagnant water board is arranged in the recess and is fixedly connected with the bottom of recess, and then pour concrete and form the second unit section, the stagnant water board is buried in the second unit section at this moment, the problem of difficulty of pulling out of counterforce box has been solved, the restriction of counterforce box to setting up the degree of depth has been avoided, the waterproof performance of junction has been guaranteed, and the structure is simple and easy to realize. The connection structure of the underground continuous wall joint of the present invention is explained below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is an exploded view of a connection structure of an underground diaphragm wall joint according to the present invention. The connection structure of the underground diaphragm wall joint of the present invention will be described with reference to fig. 1.
As shown in fig. 1, 2 and 3, the connection structure of the underground diaphragm wall joint of the present invention is used for connecting adjacent first unit segment 21 and second unit segment 22, and the connection structure includes:
the connecting piece 11 is embedded at the end part of the first unit section 21 and partially protrudes outwards, and the protruding part of the connecting piece 11 is fixedly connected with the end part of the reinforcement cage of the second unit section 22;
a water stop plate 12 fixed to a protruding portion of the connection member 11 and protruding in a direction of the second unit section 22, a bottom elevation of the water stop plate 12 being higher than a bottom elevation of the connection member 11; and
the water stop plate 12 is arranged in the groove 221 and fixedly connected with the bottom of the groove 221, and after the second unit section 22 is formed by pouring, the water stop plate 12 is embedded in the second unit section 22.
Preferably, the top of the connecting member 11 is flush with the top surface of the first unit section 21, and the bottom of the connecting member 11 is located 20cm below the bottom surface of the first unit section 21.
As a preferred embodiment of the present invention, the cross-section of the connecting member 11 is H-shaped, and includes two wing plates 111 disposed oppositely and a connecting plate 112 vertically connected between the two wing plates 111;
the opposite ends of the two wing plates 111 are embedded in the first unit section 21, the opposite ends of the two wing plates 111 are fixedly connected with the reinforcement cage of the second unit section 22, and the connecting plate 112 is attached to the corresponding end of the first unit section 21.
Specifically, one end of the wing plate 111 is fixedly connected to the end of the reinforcement cage of the first unit section 21, and after the first unit section 21 is formed by casting, the wing plate 111 is partially embedded in the first unit section 21.
Further, the top of the water stop plate 12 is flush with the top surface of the first unit section 21, and the bottom of the water stop plate 12 is located 5m below the bottom surface of the foundation pit to be excavated.
The utility model discloses a concrete implementation method as follows:
building a reinforcement cage forming the first unit section 21, fixedly connecting one end of a wing plate 111 of the connecting piece 11 with the end part of the reinforcement cage of the first unit section 21, and welding the water stop plate 12 on a connecting plate 112 of the connecting piece 11;
excavating at the position of a first unit section 21 to be constructed to form a first groove section, overetching at the end part of the first groove section to form an overexcavation area 211, lowering the reinforcement cage of the first unit section 21 into the first groove section, and positioning the water stop plate 12 and part of the connecting piece 11 in the overexcavation area 211;
backfilling a sand bag 24 in the overexcavation region 211, backfilling the sand bag 24 to the bottom of the water stop plate 12, placing reaction boxes 23 at the top of the sand bag 24 and on two sides of the water stop plate 12 so as to clamp the water stop plate 12 and also be capable of propping against the connecting piece 11 to prevent the concrete from flowing around, and pouring concrete into the first groove section to form a first unit section 21;
after the first unit section 21 reaches a set strength, pulling out the reaction box 23, digging out the sand bag 24, digging out a second groove section communicated with the overexcavation area 211 at the position of a second unit section 22 to be constructed, lowering the reinforcement cage of the second unit section 22 into the second groove section, fixedly connecting the end part of the reinforcement cage of the second unit section 22 with the wing plate 111 of the connecting piece 11, placing the water stop plate 12 into the groove 221, and fixedly connecting the water stop plate 12 with the bottom of the groove 221;
pouring concrete into the second trough section and the overbreak area 211 to form a second unit section 22, wherein the water stop plate 12 is embedded in the second unit section 22, and the second unit section 22 is fixedly connected with the first unit section 21;
when the connecting structure is adopted to connect the first unit section 21 and the second unit section 22, the water stop plate 12 is arranged, so that the sand bag 24 does not need to be backfilled to the top surface of the first unit section 21 during backfilling, subsequent taking out is convenient, and in addition, the bottom of the water stop plate 12 is positioned near the bottom surface of a foundation pit to be excavated, so that the setting depth of the reaction box 23 does not need to be very deep, the subsequent pulling-out is convenient, the backfilling amount of the sand bag 24 is reduced, the risk caused by pulling-out the reaction box 23 is reduced, and the waterproof performance of the underground continuous wall can be ensured.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (5)
1. A connection structure of a joint of an underground diaphragm wall for connecting adjacent first and second unit sections, the connection structure comprising:
the connecting piece is embedded in the end part of the first unit section and partially protrudes outwards, and the protruding part of the connecting piece is fixedly connected with the end part of the reinforcement cage of the second unit section;
the water stop plate is fixed on the protruding part of the connecting piece and protrudes towards the direction of the second unit section, and the bottom elevation of the water stop plate is higher than that of the connecting piece; and
and the water stop plate is arranged in the groove and fixedly connected with the bottom of the groove, and after the second unit section is formed by pouring, the water stop plate is embedded in the second unit section.
2. The connecting structure of an underground continuous wall joint according to claim 1, wherein the connecting member has an H-shaped section, and comprises two wing plates disposed opposite to each other and a connecting plate vertically connected between the two wing plates;
the opposite ends of the two wing plates are embedded in the first unit section, the other ends of the two wing plates are fixedly connected with the reinforcement cage of the second unit section, and the connecting plate is attached to the corresponding end of the first unit section.
3. The connection structure of the underground continuous wall joint as claimed in claim 2, wherein one end of the wing plate is fixedly connected with the end of the reinforcement cage of the first unit section, and after the first unit section is formed by casting, the wing plate is partially buried in the first unit section.
4. The underground continuous wall joint connecting structure according to claim 1, wherein the top of the water stop plate is flush with the top surface of the first unit section, and the bottom of the water stop plate is located 5m below the bottom surface of the foundation pit to be excavated.
5. The coupling structure of underground diaphragm wall joints according to claim 1, wherein the top of the coupling member is flush with the top surface of the first unit section, and the bottom of the coupling member is located 20cm below the bottom surface of the first unit section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021098404.6U CN212477697U (en) | 2020-06-15 | 2020-06-15 | Connection structure that underground continuous wall connects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021098404.6U CN212477697U (en) | 2020-06-15 | 2020-06-15 | Connection structure that underground continuous wall connects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212477697U true CN212477697U (en) | 2021-02-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021098404.6U Active CN212477697U (en) | 2020-06-15 | 2020-06-15 | Connection structure that underground continuous wall connects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212477697U (en) |
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2020
- 2020-06-15 CN CN202021098404.6U patent/CN212477697U/en active Active
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