CN220099872U - Prefabricated underground diaphragm wall joint connected by steel bar straight thread sleeve - Google Patents
Prefabricated underground diaphragm wall joint connected by steel bar straight thread sleeve Download PDFInfo
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- CN220099872U CN220099872U CN202320752630.9U CN202320752630U CN220099872U CN 220099872 U CN220099872 U CN 220099872U CN 202320752630 U CN202320752630 U CN 202320752630U CN 220099872 U CN220099872 U CN 220099872U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 45
- 239000010959 steel Substances 0.000 title claims abstract description 45
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a prefabricated underground continuous wall joint connected by a steel bar straight thread sleeve, which comprises an upper prefabricated wallboard joint and a lower prefabricated wallboard joint, wherein an upper prefabricated wallboard end plate is arranged at the bottom of the upper prefabricated wallboard joint, and a connecting joint is arranged at the top of the lower prefabricated wallboard joint; the bottom of the upper section of the prefabricated wallboard is provided with an exposed connecting steel bar I, the top of the lower section of the prefabricated wallboard is provided with an exposed connecting steel bar II, and the exposed connecting steel bar I and the exposed connecting steel bar II are respectively penetrated in the connecting joint and are connected through a straight thread sleeve, so that the exposed connecting steel bar I and the exposed connecting steel bar II are positioned at the same axial line position; the utility model can connect the main bars of the upper and lower prefabricated walls at the connecting joint positions of the prefabricated walls through the steel bar straight thread sleeve, thereby realizing the section of the prefabricated walls, having the advantage that the stressed main bars are continuous and uninterrupted in length, and improving the integral bending resistance of the prefabricated walls.
Description
Technical Field
The utility model relates to the technical field of underground diaphragm wall construction, in particular to a prefabricated underground diaphragm wall joint connected by a steel bar straight thread sleeve.
Background
The underground continuous wall is a continuous underground wall with functions of seepage prevention, soil blocking and bearing, which is formed by digging a narrow and deep foundation trench on the ground by utilizing special trenching machines and by means of the wall protection effect of slurry and pouring proper materials into the foundation trench. At present, most underground continuous walls adopt prefabricated continuous wall structures, and because the prefabricated underground continuous walls need to be prefabricated in sections and assembled on site, the stressed main ribs of the prefabricated walls are disconnected at the positions of the connecting joints, the stressed main ribs cannot realize continuous length, and the bending resistance of the prefabricated walls is weakened.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides the prefabricated underground diaphragm wall joint connected by the steel bar straight thread sleeve with good bending resistance.
The technical scheme of the utility model is as follows:
the prefabricated underground continuous wall joint comprises an upper prefabricated wallboard joint and a lower prefabricated wallboard joint, wherein the bottom of the upper prefabricated wallboard joint is provided with an upper prefabricated wallboard end plate, and the top of the lower prefabricated wallboard joint is provided with a connecting joint; the bottom of the upper section of the prefabricated wallboard is provided with an exposed connecting steel bar I, the top of the lower section of the prefabricated wallboard is provided with an exposed connecting steel bar II, and the exposed connecting steel bar I and the exposed connecting steel bar II are respectively penetrated in the connecting joint and are connected through a straight thread sleeve, so that the exposed connecting steel bar I and the exposed connecting steel bar II are positioned at the same axial line position.
Further, an upper section prefabricated wall main rib positioning hole is formed in the upper section prefabricated wall plate, and an upper section main rib positioning sleeve is arranged at a position, corresponding to the upper section prefabricated wall main rib positioning hole, on the upper section prefabricated wall plate.
Further, the connecting joint comprises two symmetrically arranged joint boxes and a group of transverse rib plates arranged between the two joint boxes, and the joint boxes adopt a box body structure with side openings and comprise a top plate, a bottom plate, two end plates and a side plate; and a group of connecting joint positioning holes are respectively arranged at the positions corresponding to the top plate and the bottom plate, and a lower joint main rib positioning sleeve is arranged on the bottom plate at the positions corresponding to the connecting joint positioning holes.
Further, a group of longitudinal rib plates are arranged between the top plate and the bottom plate of the joint box, and the longitudinal rib plates are arranged between two adjacent horizontal connecting joint positioning holes.
Further, the number of the main rib positioning holes of the upper section prefabricated wall plate, the connecting joint positioning holes on the top plate of the connecting joint and the connecting joint positioning holes on the bottom plate of the connecting joint are the same, and the positions of the connecting joint positioning holes are corresponding.
Further, the length of the external thread on the second exposed connecting steel bar is the same as that of the straight thread sleeve.
The beneficial effects of the utility model are as follows:
1) According to the utility model, the main ribs of the upper and lower prefabricated walls are connected through the steel bar straight thread sleeve at the prefabricated wall connecting joint position, so that the prefabricated wall is segmented, the stressed main ribs have the advantages of continuous and uninterrupted through length, and the integral bending resistance of the prefabricated wall is improved;
2) The utility model ensures that the main ribs of the upper and lower prefabricated walls are positioned on the same axis, are not misplaced or inclined, and can be accurately connected through the straight thread sleeve.
Drawings
FIG. 1 is an exploded view of the overall mounting structure of the present utility model;
fig. 2 is a schematic illustration of the first and second connection of the exposed connecting bars of the present utility model;
FIG. 3 is a schematic view of a connecting joint structure according to the present utility model;
FIG. 4 is a schematic view of the installation of the end plates and connectors of the upper prefabricated wall panel of the present utility model;
FIG. 5 is a schematic view of a top section of a prefabricated wall panel according to an embodiment of the present utility model;
FIG. 6 is a schematic view of a prefabricated wall panel intermediate section structure according to an embodiment of the present utility model;
FIG. 7 is a schematic view of a prefabricated wall panel base section according to an embodiment of the present utility model;
in the figure: 1. prefabricating an upper section of the wallboard; 101. the first connecting steel bar is exposed; 102. an upper section prefabricated wallboard end plate; 103. the upper section is prefabricated with a wall main rib positioning hole; 104. an upper joint main rib positioning sleeve; 2. prefabricating a lower section of the wallboard; 201. the second connecting steel bar is exposed; 3. a connection joint; 301. a joint box; 302. transverse rib plates; 303. a connecting joint positioning hole; 304. positioning sleeve of lower joint main rib; 305. a top plate; 306. an end plate; 307. a bottom plate; 308. a side plate; 309. longitudinal rib plates; 4. a straight threaded sleeve.
Detailed Description
The utility model is further described below with reference to the drawings.
As shown in fig. 1 and 2, a prefabricated underground continuous wall joint connected by a steel bar straight thread sleeve comprises an upper prefabricated wallboard section 1, a lower prefabricated wallboard section 2, a connecting joint 3 and a straight thread sleeve 4, wherein the connecting joint 3 is arranged at the top of the lower prefabricated wallboard section 2, a plurality of exposed connecting steel bars I101 are arranged at the bottom of the upper prefabricated wallboard section 1, a plurality of exposed connecting steel bars II 201 are arranged at the top of the lower prefabricated wallboard section 2, the straight thread sleeve 4 is matched with the exposed connecting steel bars II 201, and the exposed connecting steel bars I101 correspond to the exposed connecting steel bars II 201 one by one.
As shown in fig. 2 and 3, the connecting joint 3 comprises two symmetrically arranged joint boxes 301 and a group of transverse ribs 302 arranged between the two joint boxes 301, and the joint boxes 301 adopt a box body structure with side openings, and comprise a top plate 305, a bottom plate 307, two end plates 306 and a side plate 308; a group of connecting joint positioning holes 303 are respectively arranged at the corresponding positions of the top plate 305 and the bottom plate 307; a group of longitudinal ribs 309 are arranged between the top plate 305 and the bottom plate 307 of the joint box 3, and the longitudinal ribs 309 are arranged between two adjacent horizontal joint positioning holes 303; a lower joint main rib positioning sleeve 304 is arranged on the bottom plate 307 at a position corresponding to the connecting joint positioning hole 303, wherein the connecting joint 3 and the lower joint main rib positioning sleeve 304 are prefabricated into a whole together with the prefabricated wallboard lower joint 2.
The first exposed connecting steel bar 101 is arranged in the connecting joint positioning hole 303 on the top plate 305 in a penetrating way, the second exposed connecting steel bar 201 is arranged in the connecting joint positioning hole 303 on the bottom plate 307 in a penetrating way, and the first exposed connecting steel bar 101 and the second exposed connecting steel bar 201 are connected through the straight thread sleeve 4 to form an uninterrupted vertical main steel bar.
As shown in fig. 4, the bottom of the prefabricated wallboard upper section 1 is provided with an upper section prefabricated wallboard end plate 102, an upper section prefabricated wall main rib positioning hole 103 is formed in the upper section prefabricated wallboard end plate 102, and an upper section main rib positioning sleeve 104 is arranged on the upper section prefabricated wallboard end plate 102 at a position corresponding to the upper section prefabricated wall main rib positioning hole 103, wherein the upper section prefabricated wallboard end plate 102 and the upper section main rib positioning sleeve 104 are prefabricated together with the prefabricated wallboard upper section 1 into an integral structure.
The bottom plate 307 of the connecting joint 3 is provided with a lower joint main rib positioning sleeve 304 at a position corresponding to the connecting joint positioning hole 303.
The upper joint main reinforcement positioning sleeve 104 and the lower joint main reinforcement positioning sleeve 304 can enable reserved connection main reinforcements to be positioned at the same axial line position, are not staggered and inclined, and ensure that the main reinforcements of the upper joint prefabricated wall and the lower joint prefabricated wall can be accurately connected through the steel bar straight thread sleeve.
The construction process comprises the following steps:
after the main rib (the exposed connecting reinforcing steel bar II 201) of the lower section of the prefabricated wallboard is rolled, the main rib is connected with a straight thread sleeve in a connecting joint, the length of the rolled thread is consistent with that of the sleeve, and the sleeve is fully screwed into the reinforcing steel bar thread;
the main rib (exposed connecting reinforcing steel bar one 101) of the upper section of the prefabricated wallboard is inserted into the connecting joint through the connecting joint positioning hole of the connecting joint, and the sleeve is screwed back to be connected with the reinforcing steel bar of the prefabricated wall of the upper section.
Examples:
as shown in fig. 5, 6 and 7, the prefabricated underground continuous wall joint connected by the steel bar straight thread sleeve comprises a prefabricated wall plate top section, a prefabricated wall plate middle section and a prefabricated wall plate bottom section, wherein exposed connecting steel bars are arranged at the bottom of the prefabricated wall plate top section, exposed connecting steel bars are respectively arranged at the top and the bottom of the prefabricated wall plate middle section, exposed connecting steel bars are arranged at the top of the prefabricated wall plate bottom section, and external threads are arranged on the exposed connecting steel bars;
the middle section of the prefabricated wallboard and the top of the bottom section of the prefabricated wallboard are respectively provided with a connecting joint, the exposed connecting steel bars at the bottom of the top section of the prefabricated wallboard are inserted into the connecting joints at the top of the middle section of the prefabricated wallboard and are connected with the exposed connecting steel bars at the top of the middle section of the prefabricated wallboard through straight thread sleeves, and the exposed connecting steel bars at the bottom of the middle section of the prefabricated wallboard are inserted into the connecting joints at the top of the bottom section of the prefabricated wallboard and are connected with the exposed connecting steel bars at the top of the bottom section of the prefabricated wallboard through straight thread sleeves.
The above embodiments are only preferred embodiments of the present utility model, and are not limiting to the technical solutions of the present utility model, and any technical solution that can be implemented on the basis of the above embodiments without inventive effort should be considered as falling within the scope of protection of the patent claims of the present utility model.
Claims (6)
1. The prefabricated underground continuous wall joint comprises an upper prefabricated wall plate joint (1) and a lower prefabricated wall plate joint (2), and is characterized in that an upper prefabricated wall plate end plate (102) is arranged at the bottom of the upper prefabricated wall plate joint (1), and a connecting joint (3) is arranged at the top of the lower prefabricated wall plate joint (2); the prefabricated wallboard is characterized in that an exposed connecting reinforcing steel bar I (101) is arranged at the bottom of the prefabricated wallboard upper section (1), an exposed connecting reinforcing steel bar II (201) is arranged at the top of the prefabricated wallboard lower section (2), the exposed connecting reinforcing steel bar I (101) and the exposed connecting reinforcing steel bar II (201) are respectively penetrated in the connecting joint (3) and are connected through the straight thread sleeve (4), and the exposed connecting reinforcing steel bar I (101) and the exposed connecting reinforcing steel bar II (201) are located at the same axis.
2. The prefabricated underground continuous wall joint connected by the steel bar straight thread sleeve according to claim 1, wherein an upper section prefabricated wall main rib positioning hole (103) is formed in the upper section prefabricated wall plate (102), and an upper section main rib positioning sleeve (104) is arranged on the upper section prefabricated wall plate (102) at a position corresponding to the upper section prefabricated wall main rib positioning hole (103).
3. The prefabricated underground diaphragm wall joint connected by the steel bar straight thread sleeve according to claim 1, wherein the connecting joint (3) comprises two symmetrically arranged joint boxes (301) and a group of transverse ribs (302) arranged between the two joint boxes (301), the joint boxes (301) adopt a box body structure with side openings, and the box body structure comprises a top plate (305), a bottom plate (307), two end plates (306) and a side plate (308); and a group of connecting joint positioning holes (303) are respectively arranged at the positions corresponding to the top plate (305) and the bottom plate (307), and a lower joint main rib positioning sleeve (304) is arranged at the position corresponding to the connecting joint positioning holes (303) on the bottom plate (307).
4. A prefabricated underground diaphragm wall joint with a straight threaded sleeve connection according to claim 3, characterized in that a set of longitudinal ribs (309) is arranged between the top plate (305) and the bottom plate (307) of the joint box (301), and the longitudinal ribs (309) are arranged between two adjacent horizontal joint positioning holes (303).
5. A prefabricated underground diaphragm wall joint connected by a straight thread sleeve according to claim 3, wherein the number of the main rib positioning holes (103) of the prefabricated wall panel of the upper section of the end plate (102), the number of the connecting joint positioning holes (303) on the top plate (305) of the connecting joint (3) and the number of the connecting joint positioning holes (303) on the bottom plate (307) of the connecting joint (3) are the same, and the positions are corresponding.
6. A prefabricated underground diaphragm wall joint with a straight threaded sleeve connection according to claim 1, wherein the external thread length on the exposed connecting reinforcing bar two (201) is the same as the length of the straight threaded sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320752630.9U CN220099872U (en) | 2023-04-07 | 2023-04-07 | Prefabricated underground diaphragm wall joint connected by steel bar straight thread sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320752630.9U CN220099872U (en) | 2023-04-07 | 2023-04-07 | Prefabricated underground diaphragm wall joint connected by steel bar straight thread sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220099872U true CN220099872U (en) | 2023-11-28 |
Family
ID=88881052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320752630.9U Active CN220099872U (en) | 2023-04-07 | 2023-04-07 | Prefabricated underground diaphragm wall joint connected by steel bar straight thread sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220099872U (en) |
-
2023
- 2023-04-07 CN CN202320752630.9U patent/CN220099872U/en active Active
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