CN211172413U - Connecting node structure of diaphragm wall crown beam and basement top plate - Google Patents
Connecting node structure of diaphragm wall crown beam and basement top plate Download PDFInfo
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- CN211172413U CN211172413U CN201921610994.3U CN201921610994U CN211172413U CN 211172413 U CN211172413 U CN 211172413U CN 201921610994 U CN201921610994 U CN 201921610994U CN 211172413 U CN211172413 U CN 211172413U
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Abstract
The utility model provides a ground is connected node structure of wall crown beam and basement roof even, include: the crown beam is formed on the diaphragm wall; the inner lining wall is attached to the inner side of the diaphragm wall; and basement roof, including boundary beam and structural slab, the boundary beam is located on the inside lining wall and laminate in the inboard of hat the roof beam, be equipped with the anchor muscle in the hat roof beam, the anchor muscle anchor in the hat roof beam, the boundary beam is followed the length direction of inside lining wall sets up the round, the structural slab pour in on the boundary beam, the edge orientation of structural slab the outside of hat the roof beam is extended and cover in on the hat roof beam. The utility model provides a how to reduce the problem that the volume was demolishd in deep basal pit supporting system later stage.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to ground is connecting node structure of wall crown beam and basement roof even.
Background
With the acceleration of urban construction, land resources in central areas of cities are extremely short, the surrounding environment of projects is complex, and a deep foundation pit supporting system is usually provided with a reinforced concrete underground continuous wall and a plurality of reinforced concrete inner supports. The steel reinforced concrete inner support system has large dismantling amount, heavy task and large noise. The upper part of the diaphragm wall is usually provided with a crown beam, so that an innovative construction method is urgently needed to achieve the purpose in order to reduce the influence of dismantling the crown beam on the surrounding environment and accelerate the construction progress.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the connecting node structure of the diaphragm wall top beam and the basement top plate is provided so as to solve the problem of how to reduce the later-stage demolition amount of a deep foundation pit supporting system.
In order to achieve the above object, there is provided a connection node structure of a diaphragm wall crown beam and a basement roof, comprising:
the crown beam is formed on the diaphragm wall;
the inner lining wall is attached to the inner side of the diaphragm wall; and
basement roof, including boundary beam and structural slab, the boundary beam is located on the inside lining wall and laminate in the inboard of hat the roof beam, be equipped with the anchor muscle in the hat roof beam, the anchor muscle anchor in the hat roof beam, the boundary beam is followed the length direction of inside lining wall sets up the round, the structural slab pour in on the boundary beam, the edge orientation of structural slab the outside of hat the roof beam extends and cover in on the hat roof beam.
Further, the top of the inner lining wall is higher than the top of the diaphragm wall and lower than the top of the crown beam.
Furthermore, a connecting sleeve is embedded in the crown beam, and the anchoring rib is connected to the connecting sleeve.
Furthermore, one side of the edge beam, which is far away from the crown beam, is connected with a cross beam, and the structural plate is poured on the cross beam.
Furthermore, a water stop strip is arranged between the top of the crown beam and the structural slab.
Furthermore, a grouting pipe used for injecting plugging glue between the crown beam and the structural plate is arranged on the crown beam on the water facing side of the water stop strip.
Furthermore, a guide wall is arranged on a bottom plate of the basement, the guide wall is attached to the underground diaphragm wall, and the lining wall is poured and formed on the guide wall.
Furthermore, the lining wall, the edge beam and the structural slab are integrally cast.
The beneficial effects of the utility model reside in that, the utility model discloses a connection node structure of ground even wall guan lian and basement roof will guan liang as the partly of basement permanent structure, unites two into one boundary beam and guan liang, reduces the influence to the surrounding environment of demolising of guan liang for the construction progress has reduced and has demolishd work load as the later stage that encloses the enclosed construction.
Drawings
Fig. 1 is the utility model discloses the structural schematic diagram of the connected node structure of diaphragm wall crown beam and basement roof.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
Fig. 1 is a schematic structural view of a connection node structure of a diaphragm wall crown beam and a basement roof according to an embodiment of the present invention, and fig. 2 is a partial enlarged view of a position a in fig. 1.
Referring to fig. 1 and 2, the utility model provides a connection node structure of diaphragm wall crown beam and basement roof, include: crown beam 2, interior lining 4 and basement roof 3.
Specifically, the crown beam 2 is formed on the diaphragm wall 1. The interior lining wall 4 is attached to the inner side of the diaphragm wall 1. The basement top panel 3 comprises a sill 31 and structural panels 32. The side beam 31 is provided on the interior lining 4 and attached to the inside of the crown beam 2. The crown beam 2 is provided with an anchoring rib 331 therein. The anchoring ribs 331 are anchored in the crown beam 2. The edge beam 31 is provided in one turn along the length of the interior lining 4. The structural panels 32 are cast onto the edge beams 31. The edges of the structural panel 32 extend towards the outside of the crown beam 2 and overlie the crown beam 2.
The utility model discloses a ground is wall guan liang and the connected node structure of basement roof will guan liang as the partly of the permanent structure of basement, unites boundary beam and guan liang into one, reduces the influence to the surrounding environment of demolising of guan liang for the construction progress has reduced and has demolishd work load as the later stage that encloses the enclosed construction.
As a preferred embodiment, in order to improve the waterproof and impermeable performance of the basement structure, the top of the interior lining wall 4 is higher than the top of the diaphragm wall 1 and lower than the top of the crown beam 2.
In the present embodiment, a cross member 33 is connected to the side of the side member 31 remote from the crown member 2. The structural plates 32 are cast on the cross beams 33. The basement roof structure includes beam structure and plate structure. The beam structure includes an edge beam and a cross beam. The boundary beam is arranged in a circle along the inner lining wall. The crossbeam is connected between the inboard of boundary beam, its internal support effect. The slab structure is cast on the beam structure.
In this embodiment, in order to reduce the risk of basement leakage, the bottom plate of the basement is provided with a guide wall 5. The guide wall 5 is attached to the inner side of the diaphragm wall 1. And the inner lining wall 4 is formed on the guide wall 5 in a pouring way. And a water stop steel plate with the thickness of 3mm and the width of 300mm is arranged at the position of a construction joint of the guide wall, so that the concrete pouring quality of the inner lining wall is ensured.
In order to further improve the self-impermeability of the basement interior lining wall, the interior lining wall 4, the edge beam 31 and the structural plate 32 are integrally cast.
In order to further improve the construction efficiency of the basement structure, a connecting sleeve 21 is embedded in the crown beam 2. The anchoring ribs 331 are connected to the connection sleeve 21. Specifically, the cross beam is provided with an anchoring rib 331, and the end of the anchoring rib 331 extends into the boundary beam and penetrates through the boundary beam to be anchored in the crown beam. The end of the anchor rib 331 is connected to a connection sleeve pre-buried in the crown beam.
The connecting sleeve is a steel bar connector. A short steel bar is embedded in the top beam, the short steel bar is connected to the first end of the connecting sleeve, and the end of the anchoring bar is connected to the second end of the connecting sleeve. Specifically, the connecting sleeve is a straight thread sleeve. The short steel bar is connected with the first end of the straight thread sleeve in a threaded mode, and the end portion of the anchoring bar is connected with the second end of the straight thread sleeve in a threaded mode.
Before the top crown beam of the diaphragm wall is constructed, the super-irrigation part of the diaphragm wall is chiseled, a 75mm × 75mm accommodating groove is formed in the middle of the chiseling finished surface of the diaphragm wall, a 40mm × 40mm expansion water-stop adhesive tape is embedded in the accommodating groove, and the expansion water-stop adhesive tape is firmly fixed to prevent the water-stop adhesive tape from displacing or floating upwards when the concrete of the crown beam is poured.
In this embodiment, a water stop 6 is provided between the top of the crown beam 2 and the structural plate 32. Furthermore, the crown beam 2 on the water-facing side of the water stop strip 6 is provided with a grouting pipe 7 for injecting plugging glue between the crown beam 2 and the structural plate 32.
Specifically, when the structural slab is constructed, in order to ensure the connection waterproof effect of the part of the plate body of the structural slab extending to cover the crown beam and the crown beam, a waterproof groove with the thickness of 100mm × 75mm is chiseled at the middle position of the crown beam, a water stop strip 6 with the thickness of 40mm × 40mm is pre-embedded in the waterproof groove, the water stop strip 6 is a water swelling water stop strip, chiseling treatment is performed on the concrete surface in the contact range of the part of the plate body of the structural slab extending to cover the crown beam in advance, loose objects on the chiseling surface are cleaned up, floating ash on the chiseling surface is washed by clean water, and plain cement paste is coated on the top of the crown beam before the concrete of the structural slab is poured, so that the part of the plate body of the structural slab extending to cover the crown beam is well combined with the crown beam.
In this embodiment, the grout pipe 7 is provided at the outer width position 1/4 of the crown beam on the basis of the water stop 6 provided at the middle of the crown beam. And the grouting opening of the grouting pipe 7 is thrown to the outer side of the crown beam, and after the concrete of the structural slab reaches the designed strength, the grouting pipe is grouted to ensure the waterproof effect of the connecting position of the structural slab and the crown beam.
As a better implementation seepage control, the grouting is polyurethane.
In this embodiment, the lower floor slab reinforcement 321 of the structural slab is pre-embedded in the crown beam, and in order to reduce the difficulty of picking and chiseling the embedded lower floor slab reinforcement in the later stage, 50mm × 100mm PVC plastic wire slots are added when the slab reinforcement is embedded, and the throwing ribs are collected in the plastic wire slots, so that the throwing rib slab reinforcement is isolated from the concrete through the wire slots.
It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
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 present invention, which are intended to be limited only by the scope of the appended claims.
Claims (8)
1. The utility model provides a connected node structure of ground even wall crown beam and basement roof, its characterized in that includes:
the crown beam is formed on the diaphragm wall;
the inner lining wall is attached to the inner side of the diaphragm wall; and
basement roof, including boundary beam and structural slab, the boundary beam is located on the inside lining wall and laminate in the inboard of hat the roof beam, be equipped with the anchor muscle in the hat roof beam, the anchor muscle anchor in the hat roof beam, the boundary beam is followed the length direction of inside lining wall sets up the round, the structural slab pour in on the boundary beam, the edge orientation of structural slab the outside of hat the roof beam extends and cover in on the hat roof beam.
2. The connection node construction of ground wall crown beam and basement roof according to claim 1, characterized in that the top of the inner lining wall is higher than the top of the ground wall and lower than the top of the crown beam.
3. The connection node structure of the ground connection wall crown beam and the top plate of the basement as claimed in claim 1, wherein a connection sleeve is embedded in the crown beam, and the anchoring rib is connected to the connection sleeve.
4. The connecting node structure of the diaphragm wall crown beam and the basement top plate according to claim 1, wherein a cross beam is connected to one side of the edge beam, which is far away from the crown beam, and the structural plate is poured on the cross beam.
5. The connecting joint structure of the diaphragm wall crown beam and the top plate of the basement as claimed in claim 1, wherein a water stop strip is arranged between the top of the crown beam and the structural plate.
6. The connection node structure of the diaphragm wall crown beam and the basement roof as claimed in claim 5, wherein the crown beam on the water facing side of the water stop strip is provided with a grouting pipe for injecting plugging glue between the crown beam and the structural slab.
7. The connection node structure of the ground connection wall crown beam and the top plate of the basement as claimed in claim 1, wherein a guide wall is arranged on the bottom plate of the basement, the guide wall is attached to the ground connection wall, and the lining wall is poured and formed on the guide wall.
8. The connecting joint structure of the diaphragm wall crown beam and the top plate of the basement as claimed in claim 1, wherein the inner lining wall, the edge beam and the structural plate are integrally cast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921610994.3U CN211172413U (en) | 2019-09-25 | 2019-09-25 | Connecting node structure of diaphragm wall crown beam and basement top plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921610994.3U CN211172413U (en) | 2019-09-25 | 2019-09-25 | Connecting node structure of diaphragm wall crown beam and basement top plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211172413U true CN211172413U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921610994.3U Active CN211172413U (en) | 2019-09-25 | 2019-09-25 | Connecting node structure of diaphragm wall crown beam and basement top plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211172413U (en) |
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2019
- 2019-09-25 CN CN201921610994.3U patent/CN211172413U/en active Active
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