CN211523272U - Superposed underground structure outer wall and foundation connecting node - Google Patents
Superposed underground structure outer wall and foundation connecting node Download PDFInfo
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- CN211523272U CN211523272U CN201922247351.3U CN201922247351U CN211523272U CN 211523272 U CN211523272 U CN 211523272U CN 201922247351 U CN201922247351 U CN 201922247351U CN 211523272 U CN211523272 U CN 211523272U
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Abstract
The utility model provides a coincide underground structure outer wall and basic connected node includes: folding walls and foundations; the folding wall comprises a first side plate, a second side plate and a connector, wherein the first side plate and the second side plate are vertically arranged at intervals in parallel to form a cavity, and the first side plate is longer than the second side plate; two sides of the connecting body are respectively fixedly connected with the first side plate and the second side plate; the first side plate is arranged at one end of the foundation and extends to the bottom surface of the foundation; and a second side plate is disposed on the base top surface. The connecting joint can meet the special requirements of basement exterior walls on stress and water resistance, can reduce the excavation amount of a construction site, and reduces the workload of site template erection and wall reinforcement.
Description
Technical Field
The utility model relates to an assembly type structure field especially relates to an coincide underground structure outer wall and basic connected node.
Background
Most of the existing underground structures adopt cast-in-place structures, the excavation surface of a foundation pit is large during construction of the cast-in-place structures, the construction period is long, the workload of erecting templates, binding reinforcing steel bars and other working procedures on a construction site is huge, the manual demand is large, and the construction quality and efficiency are difficult to guarantee.
The fabricated building has the advantages of less labor demand, high construction speed, good finished product quality and the like, but most of the existing fabricated structural systems are prefabricated solid components, and when the fabricated building is applied to an underground structure, the fabricated building faces the problems that the structural bending resistance, the bearing capacity and the waterproof performance cannot meet the building requirements and the like.
Under this kind of background, prefabricated coincide wall is applied to underground structure as a novel assembled structure in, can solve cast-in-place structure and traditional assembled structural system's most drawback. But no connection node suitable for the laminated wall applied to the underground structure is available in the market at the present stage, and the special stress and waterproof requirements of the underground structure outer wall structure are met.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above technical problems, the present disclosure provides a composite underground structure outer wall and foundation connection node.
According to an aspect of the present disclosure, there is provided a composite underground structure outer wall and foundation connection node, comprising: folding walls and foundations;
the folding wall comprises a first side plate, a second side plate and a connector, wherein the first side plate and the second side plate are vertically arranged at intervals in parallel to form a cavity, and the first side plate is longer than the second side plate;
two sides of the connecting body are respectively fixedly connected with the first side plate and the second side plate;
the first side plate is arranged at one end of the foundation and extends to the bottom surface of the foundation; and
the second side plate is disposed on the base top surface.
According to at least one embodiment of the present disclosure, the connector includes a first vertical reinforcement, a second vertical reinforcement, and a reinforcement mesh;
the first vertical steel bars are embedded in the first side plate and are vertically arranged along the first side plate;
the second vertical steel bars are embedded in the second side plates and are vertically arranged along the second side plates; and
the reinforcing mesh is arranged at intervals along the height direction of the superposed wall, and two ends of the reinforcing mesh are fixedly connected with the first vertical reinforcing steel bars and the second vertical reinforcing steel bars respectively.
According to at least one embodiment of the present disclosure, the lower end of the first vertical steel bar is bent and extended to the inside of the foundation along the horizontal direction to be anchored as an anchoring steel bar.
According to at least one embodiment of the present disclosure, the anchoring bar includes a first section and a second section;
the first section length is not more than the total thickness of the laminated wall;
the second section is arranged above the base bottom surface; and
the first section and the second section are fixedly connected.
According to at least one embodiment of the present disclosure, further comprising a sleeve,
the first section and the second section are fixedly connected through a sleeve.
According to at least one embodiment of the present disclosure, further comprising overlapping reinforcing bars,
one end of the lap joint steel bar is arranged in the foundation;
the other end of the lap steel bar extends into the cavity and is in lap joint with the second vertical steel bar.
According to at least one embodiment of the present disclosure, the one end of the overlap reinforcement disposed in the foundation is further provided with a reinforcing portion that reinforces connection strength.
According to at least one embodiment of the present disclosure, the reinforcement is a bent structure, a protruding structure, and/or a thickened structure provided at an end of the overlap reinforcement.
According to at least one embodiment of the present disclosure, the water stop steel plate is further included,
the water stop steel plate is arranged in the cavity;
the water stop steel plate is fixed on the first side plate through a fixing device.
In accordance with at least one embodiment of the present disclosure, the foundation further comprises a rebar grid,
concrete is poured into at least the cavities and the reinforcing meshes of the foundation, and the foundation and the laminated wall form connecting nodes through the poured concrete and the anchoring steel bars and the lapping steel bars.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
Fig. 1 is a schematic view of a prefabricated laminated underground structure outer wall root connection node structure according to an embodiment of the present disclosure.
Reference numerals: 1-folding a wall; 2-a base; 3-water stop steel plate; 4-a first vertical rebar; 5-a sleeve; 6-connecting steel bars; 7-a second vertical reinforcement; 8-lapping reinforcing steel bars; 9-fixing short ribs; 10-construction joint.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The utility model provides a pair of coincide underground structure outer wall and basic connected node, this node both can satisfy basement outer wall to atress and waterproof special requirement, can reduce the job site excavation volume again, reduce job site template configuration, and the manual work demand is few, and the construction is fast, efficient. No rib is formed on four sides of the superposed cavity wall component, so that the production efficiency is improved; a water stop steel plate is pre-embedded in the outer wall of the superposed basement, so that the waterproof performance of the outer wall of the superposed basement is improved; the superposed cavity wall component serves as a foundation and a wall side mold and is a part of structural stress.
According to a first embodiment of the present disclosure, there is provided a prefabricated composite underground structure outer wall root connection node schematic diagram shown in fig. 1, including: the wall 1 and the foundation 2 are superposed; the folding wall 1 comprises a first side plate, a second side plate and a connector, wherein the first side plate and the second side plate are both prefabricated by concrete, the first side plate and the second side plate are vertically arranged in parallel at intervals to form a cavity, and the first side plate is longer than the second side plate; two sides of the connecting body are respectively fixedly connected with the first side plate and the second side plate; the first side plate is arranged at one end of the foundation 2 and extends to the bottom surface of the foundation 2; and a second side plate is provided on the top surface of the foundation 2.
The connector comprises a first vertical steel bar 4, a second vertical steel bar 7 and a steel bar mesh; the first vertical reinforcing bars 4 are embedded in the first side plates and vertically arranged along the first side plates (i.e., arranged in the height direction of the folding wall 1), and the second vertical reinforcing bars 7 are embedded in the second side plates and vertically arranged along the second side plates (i.e., arranged in the height direction of the folding wall 1). The reinforcing bar net piece sets up along 1 direction of height interval of coincide wall, and optionally, reinforcing bar net piece sets up the coincide wall part on the basis, and the both ends of reinforcing bar net piece respectively with first vertical reinforcing bar and the vertical reinforcing bar fixed connection of second for first curb plate and second curb plate fixed connection form coincide wall 1 together.
According to an optional embodiment of the present disclosure, the lower end portion (the end portion located within the height of the foundation) of the first vertical steel bar 4 is further provided with a bend for connection with the foundation, and the lower end portion of the first vertical steel bar 4 is bent by 90 degrees, or approximately 90 degrees, and extends out of the first side plate to the inside of the foundation along the horizontal direction to be anchored as an anchoring steel bar, so that the overlapped wall and the foundation are fixedly connected. Preferably, the anchoring bar may include a first section and a second section (e.g., the connecting bar 6), wherein the first section has a length not greater than the total thickness of the laminated wall, so that the laminated wall can be conveniently laid in the foundation without hindering the construction. The second section is arranged on the bottom surface of the foundation 2, the second section (connecting steel bars 6) is fixedly connected with the first section after the laminated wall is installed through a fixing device, optionally, the fixing device is a sleeve connection, such as a grouting sleeve, the first section and the second section can be connected together in other modes, such as welding, screwing and the like, and the connecting steel bars 6 penetrate into the foundation, so that a better anchoring and fixing effect is achieved.
According to an optional embodiment of the present disclosure, the above-mentioned connection node may further include an overlap steel bar 8, and one end of the overlap steel bar 8 is disposed in the foundation; the other end of the overlap reinforcement 8 extends into the cavity and is in lap joint with the second vertical reinforcement 7. Overlap joint reinforcing bar 8 goes deep into the inside of foundation to on the basis bottom surface, and overlap joint reinforcing bar 8 sets up and goes deep into cavity to certain degree of depth along the inside cavity of second curb plate of coincide wall, for example the upper portion of construction joint 10 elevation, through lapped mode and 7 lap joint of second vertical reinforcing bar. The end part of the overlap joint reinforcing steel bar 8 extending into the foundation 2 can be provided with a reinforcing part, the reinforcing part is used for reinforcing the connection strength or the anchoring strength between the foundation 2 and the laminated wall 1, optionally, the reinforcing part can be a bending structure, a protruding structure and/or a thickening structure arranged at the end part of the overlap joint reinforcing steel bar, for example, the protruding structure is a parallel rib or a transverse rib arranged at the end part of the overlap joint reinforcing steel bar 8; the thickening structure is an end plate structure, a pier thickening structure, an additional sleeve structure or an additional nut structure and the like arranged at the end part of the overlap joint reinforcing steel bar 8.
According to an optional embodiment of this disclosure, can also set up sealing device in above-mentioned prefabricated coincide wall 1 cavity, for example sealing steel plate 3, sealing steel plate 3 can set up the elevation department at wall body construction joint 10 to be located coincide wall 1 inside cavity, fix on the coincide wall (on the first curb plate) through fixing device, improve coincide basement exterior wall waterproof performance. The construction joint 10 refers to a position where concrete is poured on the connecting node, and when other walls and roofs have concrete pouring conditions, the construction joint is poured to the position where the next construction is carried out. Alternatively, the fixing device of the water stop steel plate 3 may be a fixing short rib 9, one end of the fixing short rib 9 is connected to the laminated wall 1, and the other end of the fixing short rib 9 is fixedly connected to the water stop steel plate 3.
According to an alternative embodiment of the present disclosure, the foundation 2 further includes a rebar assembly or a rebar grid, and the foundation 2 and the laminated wall 1 form a fixed connection node through poured concrete by pouring concrete at the rebar grids of the laminated wall 1 and the foundation 2.
Specifically, a first vertical steel bar 4 of the first side plate extends into the foundation 2 through a steel bar connecting sleeve 5 and a connecting steel bar 6 to be anchored; the second vertical steel bars 7 are in lap joint with the lap joint steel bars 8 reserved in the foundation 2; the water stop steel plate 3 is fixed in the cavity of the laminated wall 1 through the fixing short rib 9. The water stop steel plate 3 is arranged at the elevation of the wall construction joint 10. The prefabricated part of the first side plate of the superimposed wall 1 extends downwards to the bottom surface of the foundation 2, so that the prefabricated part serves as a side mold when the foundation 2 is poured and is a part of the stress of the connecting node structure.
In particular to a prefabricated superposed underground structure outer wall root connecting joint completion state shown in figure 1. The concrete implementation steps are that firstly, steel bars of a foundation 2 are bound to form a steel bar mesh, after the prefabricated superposed wall 1 is hoisted in place, sleeves 5 and lap-joint steel bars 8 are placed, the extension of vertical steel bars (first vertical steel bars 4) on the soil facing side and connecting steel bars 6 are connected into a whole through the sleeves 5, the cavity concrete of the foundation 2 and the superposed wall is poured to the elevation of a construction joint 10, and when other walls and roofs have concrete pouring conditions, the next construction is carried out.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (10)
1. The utility model provides a coincide underground structure outer wall and basic connected node which characterized in that includes: folding walls and foundations;
the folding wall comprises a first side plate, a second side plate and a connector, wherein the first side plate and the second side plate are vertically arranged at intervals in parallel to form a cavity, and the first side plate is longer than the second side plate;
two sides of the connecting body are respectively fixedly connected with the first side plate and the second side plate;
the first side plate is arranged at one end of the foundation and extends to the bottom surface of the foundation; and
the second side plate is disposed on the base top surface.
2. A composite underground structure outer wall and foundation connection node as recited in claim 1, wherein said connector comprises a first vertical reinforcement, a second vertical reinforcement and a mesh of reinforcements;
the first vertical steel bars are embedded in the first side plate and are vertically arranged along the first side plate;
the second vertical steel bars are embedded in the second side plates and are vertically arranged along the second side plates; and
the reinforcing mesh is arranged at intervals along the height direction of the superposed wall, and two ends of the reinforcing mesh are fixedly connected with the first vertical reinforcing steel bars and the second vertical reinforcing steel bars respectively.
3. A laminated underground structure outer wall and foundation connection node as claimed in claim 2, wherein the lower end of the first vertical reinforcing steel bar is bent in the horizontal direction and extends into the foundation to be anchored as an anchoring steel bar.
4. A laminated underground structure outer wall and foundation connection node as claimed in claim 3, wherein said anchoring reinforcement includes a first section and a second section;
the first section length is not more than the total thickness of the laminated wall;
the second section is arranged above the base bottom surface; and
the first section and the second section are fixedly connected.
5. A laminated underground structure outer wall and foundation connection node as in claim 4, further comprising a sleeve,
the first section and the second section are fixedly connected through a sleeve.
6. A laminated underground structure outer wall and foundation connection node as claimed in claim 3, further comprising overlapping reinforcing bars,
one end of the lap joint steel bar is arranged in the foundation;
the other end of the lap steel bar extends into the cavity and is in lap joint with the second vertical steel bar.
7. A laminated underground structure outer wall and foundation connection node as claimed in claim 6, wherein the end of the overlap reinforcement disposed in the foundation is further provided with a reinforcing portion for reinforcing the connection strength.
8. A laminated underground structure outer wall and foundation connection node as claimed in claim 7, wherein the reinforcement is a bent structure, a raised structure and/or a thickened structure provided at the end of the overlap reinforcement.
9. A laminated underground structure outer wall and foundation connection node as claimed in claim 2, further comprising a water stop steel plate,
the water stop steel plate is arranged in the cavity;
the water stop steel plate is fixed on the first side plate through a fixing device.
10. A laminated underground structure exterior wall and foundation connection node as in claim 6, wherein the foundation further comprises a rebar grid,
concrete is poured into at least the cavities and the reinforcing meshes of the foundation, and the foundation and the laminated wall form connecting nodes through the poured concrete and the anchoring steel bars and the lapping steel bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922247351.3U CN211523272U (en) | 2019-12-16 | 2019-12-16 | Superposed underground structure outer wall and foundation connecting node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922247351.3U CN211523272U (en) | 2019-12-16 | 2019-12-16 | Superposed underground structure outer wall and foundation connecting node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211523272U true CN211523272U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922247351.3U Active CN211523272U (en) | 2019-12-16 | 2019-12-16 | Superposed underground structure outer wall and foundation connecting node |
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| CN (1) | CN211523272U (en) |
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Address after: 102206 1st floor, building 6, 8 Beiqing Road, Huilongguan town, Changping District, Beijing Patentee after: Sany Construction Technology Co.,Ltd. Address before: Room 301, building 6, No. 8, Beiqing Road, Huilongguan town, Changping District, Beijing Patentee before: SANY CONSTRUCTION TECHNOLOGY Co.,Ltd. |