CN209907608U - Assembled shear force wall connected node - Google Patents
Assembled shear force wall connected node Download PDFInfo
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- CN209907608U CN209907608U CN201920574479.8U CN201920574479U CN209907608U CN 209907608 U CN209907608 U CN 209907608U CN 201920574479 U CN201920574479 U CN 201920574479U CN 209907608 U CN209907608 U CN 209907608U
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Abstract
The utility model discloses an assembled shear force wall connected node, include: a first connection node structure, the first connection node structure comprising: the first end plate and the first sleeve component welded on the first end plate are provided with first holes which are uniformly distributed and penetrate through the upper surface and the lower surface of the first end plate, and the reserved longitudinal ribs penetrate through the first holes to be connected with the first end plate; a second connection node structure, the second connection node structure comprising: the second end plate and a second sleeve component welded on the second end plate are provided with second holes which are uniformly distributed and penetrate through the upper surface and the lower surface of the second end plate, and the reserved longitudinal ribs penetrate through the second holes to be connected with the second end plate; the second sleeve component is sleeved on the first sleeve component so as to enable the first connecting node structure to be connected with the second connecting node structure. The utility model discloses can solve current assembled reinforced concrete shear force wall connected node because reinforcing bar quantity leads to the difficult problem that overlap joint difficulty, overlap joint quality can't be guaranteed, simple to operate rapidly, greatly reduced engineering time and the construction degree of difficulty.
Description
Technical Field
The utility model belongs to the technical field of assembled component and structure among the civil engineering, a can solve the difficult problem of current assembled concrete shear force wall reinforcing bar grout muffjoint, mechanical properties is reliable, simple to operate rapidly, the assembled shear force wall connected node of greatly reduced engineering time and the operation degree of difficulty is related to.
Background
With the continuous acceleration of urbanization speed and urban rhythm and the severe situation of building industry resources, the design concept of improving environmental protection consciousness, being fast, efficient, green, low-carbon and energy-saving and emission-reducing gradually becomes the design development direction of the building industry, wherein the assembled building is a product under the design concept, and the assembled shear wall is a key stress member in the assembled building and bears the main functions of horizontal and vertical loads.
The assembled concrete shear wall structure is an integral concrete shear wall structure formed by wholly or partially adopting prefabricated wall plate components and post-pouring concrete and cement-based grouting materials in a reliable connection mode. The assembled shear wall structure has the advantages of saving labor cost, reducing noise and dust pollution on a construction site, shortening construction period, good product quality control, high production efficiency, high material utilization rate and the like, and is widely applied to the field of assembled buildings.
The design of the high-rise assembled integral shear wall structure and the multi-layer assembled shear wall structure is in accordance with the regulations in the national current standard 'technical code of assembled concrete structure' JGJ1 and 'technical standard of assembled concrete construction' GB/T51231. In the structural design of the fabricated concrete shear wall, the integrity of the structure is strengthened, namely, the post-cast concrete and the prefabricated wall board are ensured to form a whole and work in a cooperative manner, and the aim of equal cast-in-place is achieved. The integrity of the shear wall is guaranteed on the connection nodes among the prefabricated components of the shear wall, so that the stress at the joint of the structure is reliable, and the performance reaching the standard is very important for the assembled shear wall structure.
In the splicing node of the existing-stage assembled reinforced concrete shear wall, a common method for the interior of the shear wall is to reserve a 'beard rib' at one end and reserve a pore channel at the other end, and after the installation and centering are carried out on site, sleeve grouting connection or anchor grouting connection is adopted. Therefore, most of the existing reinforced concrete shear wall connection nodes have the following defects:
1. because the shear wall is provided with a plurality of rows of dense longitudinal stress steel bars, a large number of reserved steel bars and holes are reserved at the nodes of the traditional assembled shear wall, the sizes and the positions are required to be accurately aligned when the reserved steel bars are pre-embedded, otherwise, the grooves and the holes are required to be opened again, the grouting construction difficulty is increased, potential safety hazards exist in the grouting compactness, and the stability of the structure is even influenced;
2. although the prefabricated shear wall panel component is produced in a factory, the prefabricated shear wall panel component also has certain size deviation, deformation cracks exist on component corners due to human errors and thought factors during transportation and field construction, and the error is too large or cannot be centered during assembly;
3. usually, the exterior cladding panel is used as an exterior mould of the shear wall, and sometimes, the reserved split screw holes are too few, so that the exterior cladding panel can move outwards when concrete is poured;
therefore, a need exists for an assembly type shear wall connection node which can solve the problem of the existing assembly type concrete shear wall connection node, is convenient and rapid to install, and greatly reduces the construction time and the operation difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can solve the difficult problem of current assembled concrete shear force wall reinforcing bar grout muffjoint, mechanical properties is reliable, simple to operate rapidly, the assembled shear force wall connected node of greatly reduced engineering time and the operation degree of difficulty.
In order to realize the purpose, the utility model provides a technical scheme does: there is provided a fabricated shear wall connection node comprising:
a first connection node structure, the first connection node structure comprising: the first end plate and the first sleeve component welded on the first end plate are provided with first holes which are uniformly distributed and penetrate through the upper surface and the lower surface of the first end plate, and the reserved longitudinal ribs penetrate through the first holes to be connected with the first end plate;
a second connection node structure, the second connection node structure comprising: the second end plate and a second sleeve component welded on the second end plate are provided with second holes which are uniformly distributed and penetrate through the upper surface and the lower surface of the second end plate, and the reserved longitudinal ribs penetrate through the second holes to be connected with the second end plate;
the second sleeve component is sleeved on the first sleeve component so as to connect the second connection node structure with the first connection node structure.
The first connecting node structure is connected to the upper surface of the lower shear wall through the first end plate, the second connecting node structure is connected to the lower surface of the upper shear wall through the second end plate, and the inner diameter of the second sleeve component is larger than the outer diameter of the first sleeve component.
The reserved longitudinal bar is provided with a threaded structure, and the reserved longitudinal bar is locked by the first end plate or the second end plate through nuts after penetrating through the first hole or the second hole.
The first sleeve component comprises a plurality of small sleeve individuals uniformly arranged on the first end plate, and each small sleeve individual is independently arranged; the second sleeve component comprises a plurality of large sleeve individuals uniformly arranged on the second end plate, and each large sleeve individual is arranged independently.
The first sleeve component comprises a plurality of small sleeve individuals uniformly arranged on the first end plate, and two adjacent small sleeve individuals are communicated with each other; the second sleeve component comprises a plurality of large sleeve individuals uniformly arranged on the second end plate, every two adjacent large sleeve individuals are communicated with each other, and a batten plate is arranged at the communication position of every two adjacent large sleeve individuals.
A plurality of circular reinforcing steel bar bulges which are uniformly distributed in the vertical direction are welded on the outer wall of the small sleeve body in a circle and the inner wall of the large sleeve body in a circle.
The outer wall of the small sleeve and the inner wall of the large sleeve are welded with a plurality of vertical steel bar bulges which are uniformly distributed in the circumferential direction.
The periphery of first end plate and second end plate still the cladding has node steel sheet shell, the below of node steel sheet shell is provided with the grout mouth, and the top is provided with the grout outlet, and runs through the outer wall of first sleeve subassembly and second sleeve subassembly all is equipped with the sleeve pipe grout mouth.
And stiffening ribs are further arranged on the inner wall of the joint steel plate shell and/or the outer wall of the large casing.
And welding feet are welded below the large sleeve and at the end plate.
The utility model discloses inherit the advantage of prefabricated construction, the work such as the welding of pouring of precast concrete shear force wall, thimble assembly and end plate is all accomplished at the mill, and the on-the-spot construction operation that only needs to carry on a small amount has both accelerated the construction progress, has practiced thrift manpower and materials again. The utility model discloses well node steel sheet shell can replace wood system template as the permanent template that the slip casting was used, has reduced the operating expenses and the construction degree of difficulty, has avoided the waste to the supplementary material of construction. The utility model discloses the structure antidetonation requirement of "strong node, weak component" in the engineering has been satisfied.
The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.
Drawings
Fig. 1 is a schematic view of an embodiment of an assembled shear wall connection node according to the present invention.
Fig. 2 is a cross-sectional structural view of the fabricated shear wall connection node shown in fig. 1.
Fig. 3a is a cross-sectional structural view of the upper half of fig. 2.
Fig. 3b is a cross-sectional view of the lower half of fig. 2.
FIG. 4 is a schematic view of one embodiment of a first connection structure.
FIG. 5a is a schematic view of one embodiment of a second connection structure.
FIG. 5b is a schematic view of another embodiment of a second connection structure.
Detailed Description
Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements throughout. As mentioned above, the utility model provides a technical scheme does: there is provided a fabricated shear wall connection node 100 as shown in fig. 1 and 2, comprising:
referring specifically to fig. 3a and 4, first, a first connection node structure 50a is described, the first connection node structure 50a includes: the device comprises a first end plate 1 and a first sleeve component 2 welded on the first end plate 1, wherein first holes 3 which are uniformly distributed are formed in the upper surface and the lower surface of the first end plate 1 in a penetrating mode, and reserved longitudinal ribs 7 penetrate through the first holes 3 and are connected with the first end plate 1;
as shown in fig. 3b and 5a, a second connection node structure 50b is explained next, the second connection node structure 50b including: the second end plate 4 and a second sleeve component 5 welded on the second end plate 4 are provided with second holes 6 uniformly distributed through the upper and lower surfaces of the second end plate 4, and reserved longitudinal ribs 7 penetrate through the second holes 6 to be connected with the second end plate 4;
referring to fig. 2, the second sleeve member 5 is sleeved on the first sleeve member 2 to connect the second connection node structure 50b with the first connection node structure 50 a. The outer diameter of the first sleeve component 2 is smaller than the inner diameter of the second sleeve component 5, so that the first sleeve component 2 is inserted into the second sleeve component 5 for connection.
Referring to fig. 3a and 3b, the first connection node structure 50a is connected to the upper surface of the lower shear wall by the first end plate 1, the second connection node structure 50b is connected to the lower surface of the upper shear wall by the second end plate 4, and the inner diameter of the second sleeve assembly 5 is larger than the outer diameter of the first sleeve assembly 2. When the first sleeve assembly 2 is inserted into the second sleeve assembly 5, the optimal positions of the first sleeve assembly 2 and the second sleeve assembly 5 should be on the same central symmetry axis.
In one embodiment, referring to fig. 3a and 3b, the reserved longitudinal rib 7 is provided with a threaded structure, and after the reserved longitudinal rib 7 passes through the first hole 3 or the second hole 6, the first end plate 1 or the second end plate 4 is further locked by a nut 8, respectively. This enables the first connection node structure 50a to be connected to the upper surface of the lower shear wall, while the second connection node structure 50b is connected to the lower surface of the upper shear wall.
Referring to fig. 3a-5a, the first casing assembly 2 comprises a plurality of small casing units 21 uniformly arranged on the first end plate 1, and each small casing unit 21 is arranged independently; the second sleeve component 5 comprises a plurality of large sleeve units 51 uniformly arranged on the second end plate 4, and each large sleeve unit 51 is arranged independently. In the embodiment shown in fig. 3a-5a, the small sleeve units 21 are arranged on the first end plate 1 in a straight line; the large sleeve units 51 are also arranged on the second end plate 4 in a straight line. It should be noted that the small casing units 21 and the large casing units 51 may also be arranged in other manners, such as in a rectangular matrix.
In one embodiment, the first sleeve assembly comprises a plurality of small sleeve units uniformly arranged on the first end plate, and two adjacent small sleeve units are communicated with each other (not shown);
referring to fig. 5b, the second casing assembly 5a includes a plurality of large casing units 51a uniformly arranged on the second end plate 4a, two adjacent large casing units 51a are penetrated, and a gusset plate 13 is provided at the penetration of two adjacent large casing units 51 a. Each small sleeve individual and each large sleeve individual 51a are communicated with each other, the circulation of grouting materials can be guaranteed during grouting, the first sleeve component and the second sleeve component can be filled with enough grouting materials, a good pulling effect can be achieved through the gusset plate 13, concrete is filled in the gusset plate, and the shearing-resistant bearing capacity of the node is improved.
Referring to fig. 3a-5a, a plurality of circular reinforcing steel bar bulges 9 which are uniformly arranged in the vertical direction are welded around the outer wall of the small casing individual 21 and around the inner wall of the large casing individual 51. It should be noted that, the circular reinforcing steel bar protrusion 9 is welded to the outer wall of the small casing individual 21 and/or the inner wall of the large casing individual 51, and the circular reinforcing steel bar protrusion 9 is provided, so that the engaging force between the second casing assembly 5 and the first casing assembly 2 can be greatly improved, and the whole node shows a strong pulling force when being subjected to a pulling force.
In one embodiment, a plurality of vertical steel bar bulges uniformly distributed in the circumferential direction are welded on the outer wall of the small casing pipe individual body and the inner wall of the large casing pipe individual body. The vertical reinforcing steel bar can increase the mechanical strength of the small casing individuals and the large casing individuals, and can greatly improve the adhesion of the small casing individuals and the large casing individuals to grouting materials.
Referring to fig. 2, the peripheries of the first end plate 1 and the second end plate 4 are further coated with a node steel plate shell 10, a grouting port 11 is arranged below the node steel plate shell 10, a grout outlet 12 is arranged above the node steel plate shell, and casing grouting ports (not shown) are arranged on the outer walls penetrating through the first casing assembly 2 and the second casing assembly 5. Note that, by providing the grout outlet 11 at the lower side and the grout outlet 12 at the upper side of the node steel plate case 10, it is possible to ensure that the entire internal space of the node is filled with the grout.
Referring to fig. 3b, the inner wall of the node steel plate shell 10 and/or the outer wall of the large casing body 51 are/is also provided with stiffening ribs 14. By arranging the stiffening ribs 14, the mechanical strength of the joint steel plate shell 10 and the large casing pipe body 51 can be effectively improved, the inner filling concrete is restrained, and the shearing resistance bearing capacity of the joint is improved.
Referring to fig. 5b, a solder fillet 15 is welded to the second end plate 4a below the large casing single body 51 a. The weld leg 15 can strengthen the connection firmness degree of the large sleeve individual 51a and the second end plate 4a, and the shearing resistance and bearing capacity of the joint can be greatly improved.
The following explanation the utility model discloses assembled shear force wall connected node's concrete assembly order:
1. a lower shear wall: welding small sleeves with the outer walls welded with the reinforcing steel bar protrusions on a first end plate individually, and connecting the first end plate and the concrete shear wall through reserved longitudinal bars in concrete through bolts;
2. and (3) upper shear wall: welding a large sleeve with a steel bar protrusion welded on the inner wall on a second end plate, wherein the second end plate is connected with the concrete shear wall through a reserved longitudinal bar in concrete through a bolt;
3. shear force wall is to pouring into grouting material through the grout mouth of steel sheet shell below after to the good butt joint, treat after the maintenance is good, the utility model discloses the node forms promptly.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (10)
1. An assembled shear wall connected node, comprising:
a first connection node structure, the first connection node structure comprising: the first end plate and the first sleeve component welded on the first end plate are provided with first holes which are uniformly distributed and penetrate through the upper surface and the lower surface of the first end plate, and the reserved longitudinal ribs penetrate through the first holes to be connected with the first end plate;
a second connection node structure, the second connection node structure comprising: the second end plate and a second sleeve component welded on the second end plate are provided with second holes which are uniformly distributed and penetrate through the upper surface and the lower surface of the second end plate, and the reserved longitudinal ribs penetrate through the second holes to be connected with the second end plate;
the second sleeve component is sleeved on the first sleeve component so as to connect the second connection node structure with the first connection node structure.
2. The fabricated shear wall connection node of claim 1, wherein the first connection node structure is connected to the upper surface of the lower shear wall by the first end plate, the second connection node structure is connected to the lower surface of the upper shear wall by the second end plate, and the second sleeve assembly has an inner diameter greater than an outer diameter of the first sleeve assembly.
3. The fabricated shear wall connection node of claim 1 or 2, wherein the reserved longitudinal rib is provided with a threaded structure, and after the reserved longitudinal rib passes through the first hole or the second hole, the first end plate or the second end plate is locked by a nut.
4. The fabricated shear wall connection node of claim 2, wherein the first sleeve assembly comprises a plurality of individual small sleeves uniformly arranged on the first end plate, and each individual small sleeve is arranged independently of the other individual small sleeve; the second sleeve component comprises a plurality of large sleeve individuals uniformly arranged on the second end plate, and each large sleeve individual is arranged independently.
5. The fabricated shear wall connection node of claim 2, wherein the first bushing assembly comprises a plurality of individual small bushings uniformly arranged on the first end plate, and two adjacent individual small bushings are interconnected; the second sleeve component comprises a plurality of large sleeve individuals uniformly arranged on the second end plate, every two adjacent large sleeve individuals are communicated with each other, and a batten plate is arranged at the communication position of every two adjacent large sleeve individuals.
6. The fabricated shear wall connection node of claim 4, wherein a plurality of circular reinforcing steel protrusions uniformly arranged in the vertical direction are welded around the outer wall of the small casing individual body and around the inner wall of the large casing individual body.
7. The fabricated shear wall connection node of claim 4, wherein the outer wall of the small casing body and the inner wall of the large casing body are welded with a plurality of vertical steel bar bulges uniformly arranged in the circumferential direction.
8. The fabricated shear wall connection node of claim 4, wherein the first end plate and the second end plate are further coated with a node steel plate shell, a grouting port is formed below the node steel plate shell, a grouting port is formed above the node steel plate shell, and a sleeve grouting port is formed through the outer walls of the first sleeve component and the second sleeve component.
9. The fabricated shear wall connection node of claim 8, wherein the node steel plate shell inner wall and/or the large casing body outer wall is further provided with stiffening ribs.
10. The fabricated shear wall connection node of any one of claims 4 to 9, wherein a weld leg is further welded to the end plate below the large casing body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920574479.8U CN209907608U (en) | 2019-04-24 | 2019-04-24 | Assembled shear force wall connected node |
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| CN201920574479.8U CN209907608U (en) | 2019-04-24 | 2019-04-24 | Assembled shear force wall connected node |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188429A (en) * | 2020-01-17 | 2020-05-22 | 重庆大学 | Vertical connection structure of built-in steel sleeve of prefabricated reinforced concrete shear wall |
| CN112459290A (en) * | 2020-11-27 | 2021-03-09 | 江苏宇辉住宅工业有限公司 | Assembly type shear wall connecting node and mounting method thereof |
| CN113718753A (en) * | 2021-06-15 | 2021-11-30 | 中交二航局第三工程有限公司 | Anchorage underground diaphragm wall foundation assembled type mid-partition wall and construction method |
| WO2024017407A1 (en) * | 2022-10-19 | 2024-01-25 | 华北理工大学 | Prefabricated concrete connection structure and construction method |
-
2019
- 2019-04-24 CN CN201920574479.8U patent/CN209907608U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188429A (en) * | 2020-01-17 | 2020-05-22 | 重庆大学 | Vertical connection structure of built-in steel sleeve of prefabricated reinforced concrete shear wall |
| CN112459290A (en) * | 2020-11-27 | 2021-03-09 | 江苏宇辉住宅工业有限公司 | Assembly type shear wall connecting node and mounting method thereof |
| CN113718753A (en) * | 2021-06-15 | 2021-11-30 | 中交二航局第三工程有限公司 | Anchorage underground diaphragm wall foundation assembled type mid-partition wall and construction method |
| WO2024017407A1 (en) * | 2022-10-19 | 2024-01-25 | 华北理工大学 | Prefabricated concrete connection structure and construction method |
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