Novel grouted shear wall connecting joint suitable for concrete modular integrated building
By combining the splicing design of prefabricated box bodies and prefabricated walls with core grouting and stirrup welding, the construction complexity and production progress of shear walls in modular integrated buildings have been solved, achieving an efficient construction process and wide applicability to buildings.
Patent Information
- Application Number
- CN202422984797.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-04
AI Technical Summary
In modular integrated buildings, the overall load-bearing capacity of shear wall assembly components is weak, construction is complex, and there are many on-site post-pouring operations, which affect the production schedule.
The design of splicing precast box bodies and precast walls is adopted. By using the combination of post-pouring grooves, core grouting, horizontal stirrups and vertical stirrups, combined with the welding of single-limb stirrups and hidden column stirrups, the precast walls can be quickly connected and the seismic performance can be improved.
It improves the tolerance and error adjustment capabilities of construction, reduces construction difficulty, increases construction speed, and expands the scope of building applications.
Smart Images
Figure CN223523298U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of modular integrated building, especially a novel core filling shear wall connecting joint suitable for concrete modular integrated building. BACKGROUND
[0002] MIC (Modular Integrated Construction), namely modular integrated building, is an innovative building method, which realizes the integration of building structure and equipment by using prefabricated modular components. The building is often divided into modular box units, and the construction processes such as structure, water and electricity and decoration are completed in the factory, and assembly is carried out on site to realize a more efficient and faster building process. MIC realizes "automobile building", which is the greenest building method with the highest degree of building industrialization. This technology greatly improves construction efficiency, reduces on-site environmental pollution, and upgrades the construction industry to manufacturing. However, the MIC shear wall assembly component still has many deficiencies, the overall stress performance is weakened, there are more post-cast operations on site, the construction is complex, and the production progress of the entire modular integrated building is affected, so further improvement is needed. SUMMARY
[0003] The utility model aims at providing a novel core filling shear wall connecting joint suitable for concrete modular integrated building, which has high tolerance and large adjustment construction error capacity, greatly reduces construction difficulty, has fast construction speed, and has wide building application range.
[0004] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme: a novel core filling shear wall connecting joint suitable for concrete modular integrated building, comprising a prefabricated box; wherein: one side of the prefabricated box is provided with a prefabricated wall; a post-cast slot is arranged at the splicing position of the prefabricated wall; the post-cast slot is filled with inserted reinforcement to effectively reduce post-cast concrete and on-site closing; horizontal stirrups are arranged in the edge components of the two sides of the prefabricated wall to ensure the seismic requirements; vertical inserted reinforcement is arranged at the upper end of the prefabricated wall and extends out of the concrete body; the prefabricated box is spliced by the prefabricated wall. The splicing of the prefabricated box adopts translational installation, and the longitudinal reinforcement is installed later.
[0005] Further, the prefabricated wall is provided with wall body vertical reinforcement.
[0006] Further, the prefabricated wall is provided with single limb stirrups; the single limb stirrups are connected to the wall body vertical reinforcement. The single limb stirrups are connected to the wall body vertical reinforcement, which enhances the overall stress and effectively improves the seismic performance.
[0007] Further, as an improvement of the technical scheme of the utility model, the bottom of the prefabricated wall is provided with a reserved rebate. Through the reserved rebate at the bottom, the prefabricated wall can be connected between upper and lower layers after the steel bars are overlapped and poured.
[0008] Further, as an improvement of the technical scheme of the utility model, the horizontal hoop is welded by a hidden column hoop and a hidden column longitudinal bar.
[0009] The utility model has the following beneficial effects:
[0010] The utility model has high tolerance and large adjustment construction error capacity, effectively solves the problems of more on-site post-pouring operation of the modular integrated building MIC product, complex construction, influence on construction efficiency and influence on the whole production progress, greatly reduces construction difficulty, has fast construction speed and wide building application range. DETAILED DESCRIPTION
[0011] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of the non-limiting embodiments with reference to the accompanying drawings:
[0012] Figure 1 It is a structural schematic view of a novel core-pouring shear wall connecting joint suitable for a concrete modular integrated building.
[0013] Figure 2 It is a bottom plan view of a novel core-pouring shear wall connecting joint suitable for a concrete modular integrated building.
[0014] Figure 3 It is a middle plan view of a novel core-pouring shear wall connecting joint suitable for a concrete modular integrated building.
[0015] In the drawings: 100-prefabricated box; 1-prefabricated wall; 2-post-pouring slot; 21-horizontal hoop; 22-vertical dowel bar; 23-dowel bar; 31-single limb hoop; 32-wall vertical bar. DETAILED DESCRIPTION
[0016] The utility model will be described in detail below with reference to the drawings and specific embodiments, and the illustrative embodiments and the description of the utility model are used to explain the utility model, but not as a limitation of the utility model.
[0017] It should be noted that all directional indications (such as up, down, left, right, front, back, upper end, lower end, top, bottom, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.
[0018] In this utility model, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0019] Furthermore, in this utility model, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. If the combination of technical solutions is contradictory or impossible to implement, such a combination should be considered non-existent and not within the scope of protection claimed by this utility model.
[0020] The present invention will be further described in detail below with reference to the accompanying drawings.
[0021] like Figures 1 to 3 As shown, a novel core-filled shear wall connection node suitable for modular integrated concrete buildings includes a precast box 100; wherein: a precast wall 1 is provided on one side of the precast box 100; a post-cast groove 2 is provided at the splicing point of the precast wall 1; the post-cast groove 2 is filled with reinforcing bars 23, effectively reducing the amount of post-cast concrete and on-site finishing; horizontal stirrups 21 are provided in the edge components on both sides of the precast wall 1 to ensure seismic resistance requirements; vertical reinforcing bars 22 are arranged at the upper end of the precast wall 1 and extend out of the concrete body; the precast box 100 is assembled by splicing the precast wall 1. The splicing of the precast box 100 adopts a translational installation, with the longitudinal reinforcement installed later.
[0022] Specifically, in this embodiment, the prefabricated wall 1 is provided with vertical wall reinforcement 32.
[0023] Specifically, in this embodiment, the precast wall 1 is provided with a single-limb hoop 31 inside; the single-limb hoop 31 connects to the vertical reinforcement 32 of the wall body. The single-limb hoop 31 connects to the vertical reinforcement 32 of the wall body, enhances the overall stress, and can effectively improve the seismic performance.
[0024] Specifically, in this embodiment, the precast wall 1 has a pre-reserved tongue and groove joint at its bottom. Through this pre-reserved tongue and groove joint, the upper and lower layers of the precast wall 1 can be connected after the reinforcing bars are overlapped and poured.
[0025] Specifically, in the embodiment, the horizontal stirrup 21 is welded by a hidden column stirrup and a hidden column longitudinal reinforcement.
[0026] Embodiment:
[0027] As shown in the figure, a new core filling shear wall connecting joint suitable for a concrete modular integrated building, as shown in the figure, comprises a prefabricated wall 1 and a post-cast slot 2. Figure 1 As shown in the figure, a new core filling shear wall connecting joint suitable for a concrete modular integrated building, as shown in the figure, comprises a prefabricated wall 1 and a post-cast slot 2. Figure 1
[0028] As shown in the figure, a new core filling shear wall connecting joint suitable for a concrete modular integrated building, as shown in the figure, comprises a prefabricated wall 1 and a post-cast slot 2. Figure 2 As shown in the figure, a new core filling shear wall connecting joint suitable for a concrete modular integrated building, as shown in the figure, comprises a prefabricated wall 1 and a post-cast slot 2.
[0029] As shown in the figure, a new core filling shear wall connecting joint suitable for a concrete modular integrated building, as shown in the figure, comprises a prefabricated wall 1 and a post-cast slot 2. Figure 3 As shown in the figure, a new core filling shear wall connecting joint suitable for a concrete modular integrated building, as shown in the figure, comprises a prefabricated wall 1 and a post-cast slot 2.
[0030] The embodiment process is as follows:
[0031] The horizontal stirrup 21 unit of the edge component in the prefabricated wall 1 is welded by a hidden column stirrup with a diameter of 10mm and four hidden column longitudinal reinforcements with a diameter of 16mm.Four vertical insertions 22 with a diameter of 16mm are arranged on the upper end of the shear wall and extend out of the concrete body by 700mm, and through the reserved notched groove at the bottom of the upper end component, the reinforcement is post-cast after lapping, so that the upper and lower layers can be connected. The wall body is internally provided with a single limb stirrup 31 with a diameter of 8mm, which is connected with two wall body vertical reinforcements 32 with a diameter of 10mm, so as to enhance the overall stress.
[0032] Only the shear wall edge component bottom lapping and post-cast slot secondary pouring are reserved, and the amount of site pouring concrete is greatly reduced and easy to vibrate and compact.
[0033] The utility model has very high tolerance ability and larger adjustment construction error ability, effectively solve the modular integrated building MIC product on-site post-cast operation is more, construction is complex, influence construction efficiency, influence entire production progress's problem, construction difficulty is reduced greatly, construction speed is fast, and the building is widely applicable.
[0034] The technical solutions provided by the embodiments of the present application are described in detail above, and the principles and implementation manners of the embodiments of the present application are described by applying specific examples; the above description of the embodiments is only applicable to helping understand the principles of the embodiments of the present application; meanwhile, for the general technical personnel in the art, the embodiments of the present application will have changes in the specific implementation manners and application ranges, and the above description should not be understood as the limitation of the embodiments of the present application.
Claims
1. A new type of core-filled shear wall connection joint suitable for concrete modular integrated buildings, comprising a prefabricated box; characterized in that: One side of the prefabricated box is provided with a prefabricated wall; the joint of the prefabricated wall is provided with a post-poured slot; the post-poured slot is filled with a plug core; the horizontal hoop is arranged in the edge part of the prefabricated wall; the vertical plug is arranged at the upper end of the prefabricated wall and extends out of the concrete body; and the prefabricated box is spliced by the prefabricated wall.
2. A new type of core-filled shear wall connection joint suitable for concrete modular integrated buildings according to claim 1, characterized in that: The prefabricated wall is provided with a wall body vertical bar.
3. A new type of core-filled shear wall connection joint suitable for concrete modular integrated buildings according to claim 2, characterized in that: The prefabricated wall is provided with a single limb hoop; and the single limb hoop is connected to the wall body vertical bar.
4. The new core filling shear wall connecting joint suitable for a concrete modular integrated building according to claim 1, wherein the bottom of the prefabricated wall is provided with a reserved tongue and groove.
5. The new core filling shear wall connecting joint suitable for a concrete modular integrated building according to claim 1, wherein the horizontal hoop is welded by a hidden column hoop and a hidden column longitudinal bar.