CN206873734U - With the prefabricated shear wall and overlapping plate node of Combined grouting sleeve connection - Google Patents

Abstract

The utility model discloses an assembled prefabricated shear wall and laminated slab joint connected by a combined grouting sleeve. A combined grouting sleeve is provided at the joint, including a first section of the sleeve and a second section of the sleeve. The top of the first sleeve is connected to the bottom of the second sleeve, and the bottom of the first sleeve is connected to the top of the vertical reinforcement in the prefabricated shear wall, and is fully embedded in the top of the prefabricated shear wall. The sleeve is pre-buried in the post-cast concrete laminated layer; the prefabricated shear wall on the upper floor extends downwards and the vertical steel bars are inserted from the top of the second section of the sleeve and extend into the first section of the sleeve , The upper part of the second section of the sleeve is provided with a grouting pipe, and the lower part of the first section of the sleeve is provided with a grouting pipe. The combined grouting sleeve of the utility model is the connector of the upper and lower shear walls, and the shear wall components form a plastic hinge at the bottom. Shear walls and prefabricated slabs form joints through the interconnection and bonding of sleeves, steel mesh sheets, and post-cast concrete to improve the integrity and earthquake resistance of the joints.

Description

Assembled prefabricated shear wall and laminated slab joints connected by combined grouting sleeve

technical field

The utility model relates to an assembled prefabricated shear wall and laminated plate joint, in particular to an assembled prefabricated shear wall and laminated plate joint connected by a combined grouting sleeve.

Background technique

Prefabricated prefabricated reinforced concrete structures have more practical applications and more mature technical research in developed countries such as Europe, America and Japan. In recent years, the country has developed green buildings, vigorously developed prefabricated buildings, and promoted the transformation and upgrading of the construction industry. With the acceleration of the process of "construction industrialization and housing industrialization" in my country, the application of prefabricated shear wall structures has become increasingly widespread, and the domestic practical application and theoretical research on prefabricated buildings has continued to deepen.

However, domestic research and application in this field is still in its infancy, and there is a lack of relevant norms and research guidance to support this technology. At the same time, there are major deficiencies in the construction experience, construction technology, and optimal design of prefabricated components of prefabricated reinforced concrete structures at the current stage in China.

When the existing cast-in-place concrete structure is constructed on site, the arrangement and binding process of steel bars is complicated, the workload is large, and the work efficiency is low. At present, the construction process of the shear wall and the laminated slab joint in the prefabricated reinforced concrete structure is as follows: the grouting sleeve is pre-embedded at the bottom of the prefabricated shear wall, and the vertical reinforcement at the top of the prefabricated shear wall is extended, and then the upper The bottom grouting sleeve of the prefabricated shear wall of the first floor is set on the vertically extending steel bars at the top of the prefabricated shear wall of the first floor and grouted, so as to connect the shear walls of the upper and lower floors. In this way, there are the following problems: the plastic hinge of the general shear wall is formed at the bottom of the shear wall, but due to the effect of the grouting sleeve, the plastic hinge cannot be formed at the bottom of the shear wall, which results in the lower end of the grouting sleeve. The steel bar at the top of the layer is broken, resulting in brittle failure.

The existing prefabricated reinforced concrete shear wall and laminated slab structural systems still have the problems of low construction efficiency, poor installation accuracy, too cumbersome on-site tying of steel bars, a large number of on-site supports, and poor integrity and seismic performance. These problems directly restrict the advantages of environmental protection, economy, high efficiency and high quality of construction industrialization.

Utility model content

The purpose of this utility model is to provide a prefabricated prefabricated shear wall and laminated slab joint connected by a combined grouting sleeve with good overall performance and seismic performance and high construction efficiency, which can overcome the existing prefabricated reinforced concrete shear wall. The disadvantages of the force wall and laminated slab structural system are low construction efficiency, poor installation accuracy, and cumbersome on-site tying of steel bars, reducing the number of on-site supports, improving the integrity and seismic performance of prefabricated reinforced concrete shear walls and laminated slab joints, suitable for It is widely used in building structures.

The purpose of this utility model is achieved through the following technical measures: an assembled prefabricated shear wall and laminated slab joint connected by a combined grouting sleeve, including a prefabricated shear wall and a laminated slab, characterized in that: the laminated The plywood is mainly composed of prefabricated slabs, steel mesh sheets and post-cast concrete laminated layers. The steel mesh sheets are horizontally arranged above the precast slabs and in the post-cast concrete laminated layers. , The corresponding steel bars in the laminated slabs are bound together. A vertical combined grouting sleeve is provided at the junction of the prefabricated shear wall and the laminated slab. The combined grouting sleeve includes a first section of the sleeve and a second section of the sleeve. The top end of the first section of the sleeve is connected to the The bottom end of the second sleeve is connected, the bottom end of the first sleeve is connected to the top of the vertical steel bar in the prefabricated shear wall, and is fully embedded in the top of the prefabricated shear wall, and the first sleeve The connection between the cylinder and the second section of the sleeve is exposed on the upper surface of the prefabricated shear wall, and the second section of the sleeve is pre-embedded in the post-cast concrete laminated layer; the prefabricated shear wall on the upper floor protrudes downwards The vertical steel bar is inserted from the top of the second section of the sleeve and extends into the first section of the sleeve. The upper part of the second section of the sleeve is provided with a slurry discharge pipe communicating with the inside. The lower part of the section sleeve is provided with a grouting pipe communicating with the interior thereof, and the grouting material is poured into the grouting sleeve from the grouting pipe until the grouting material overflows from the grouting pipe, so that the grouting sleeve is filled with grouting material.

The combined grouting sleeve of the utility model is the connector of the vertical reinforcement in the upper and lower shear walls. The first section of the sleeve is located on the top of the prefabricated shear wall, and the second section of the sleeve is located in the post-cast concrete lamination layer. , so the shear wall member can form a plastic hinge at the bottom, avoiding the situation that the existing nodes will break the bottom steel bar, and can enhance the seismic performance of the shear wall; and the utility model can improve the prefabrication accuracy and construction efficiency. In addition, the utility model solves the problem of cumbersome arrangement and binding process of steel bars when the prefabricated concrete structure is constructed on site. That is, the workload of arranging steel bars on site is greatly reduced, the difficulty of construction is reduced, and the accuracy of steel bar binding is improved at the same time, which is conducive to the standardized production and installation of prefabricated components. The utility model can also realize the smooth and beautiful structure of the wall panels, and facilitate the stacking of the prefabricated shear walls and the prefabricated panels of the laminated panels on the construction site. The prefabricated shear wall of the utility model and the prefabricated slab of the laminated slab form the joint between the upper and lower walls of the shear wall and the laminated slab through the mutual connection and bonding between the grouting sleeve, the steel mesh and the post-cast concrete, Thereby improving the integrity and earthquake resistance of the node.

As an embodiment of the present invention, the reinforcement in the prefabricated shear wall includes the vertical reinforcement, the horizontal distribution reinforcement and the tie reinforcement, and the vertical reinforcement is arranged in pairs in the transverse direction and spaced side by side along the length direction Arrangement, the horizontally distributed steel bars are arranged in pairs in the thickness direction and arranged side by side along the height direction at intervals, each pair of horizontally distributed steel bars is located outside a pair of vertical steel bars, and the two sides of the tied steel bars are tied by vertical Reinforcement mesh composed of vertical reinforcement and horizontal reinforcement.

As a preferred embodiment of the present utility model, the bottom of the first section of the sleeve is connected to the upper end of the vertical reinforcement of the prefabricated shear wall on the floor, and is threaded; the top of the first section of the sleeve is provided with There are positioning teeth as the connecting parts, and the positioning teeth are exposed on the upper surface of the prefabricated shear wall.

As an embodiment of the present invention, the steel bars in the prefabricated slab of the laminated slab include longitudinally stressed steel bars, horizontally distributed steel bars and shear structural steel bars, and the shear structural steel bars are vertically arranged arched, resistant to The lower end of the shear structural reinforcement is bound together with the longitudinal stress reinforcement and horizontal distribution reinforcement in the prefabricated slab, and its upper end is exposed on the upper surface of the prefabricated slab and is located in the post-cast concrete laminated layer; Setting shear structural reinforcement on the upper part not only strengthens the structural performance of the component, but also improves the economy of the prefabricated component, facilitates the distribution and fixing of the reinforcement, and also strengthens the bonding force between the prefabricated component and the cast-in-place laminated layer, so that In order to improve the integrity and the ability to work together under stress, the steel mesh sheet is composed of horizontally distributed steel bars and longitudinal negative steel bars located on the upper surface of the horizontally distributed steel bars. The horizontally distributed steel bars and the longitudinal negative steel bars of the steel mesh sheet are bound together with the shear structural steel bars on the prefabricated slab to complete the binding of the steel mesh sheet and the corresponding steel bars in the laminated slab. The laminated slab is bound by the steel mesh and the shear structural steel bar, and the post-cast concrete laminated layer is poured, and the prefabricated slab and the post-cast concrete laminated layer together form the floor slab.

As an improvement of the present utility model, the prefabricated shear wall located on the upper floor protrudes downward, and the vertical reinforcement is inserted into it from the top of the second section of the sleeve and extends to the bottom of the first section of the sleeve. .

As a preferred embodiment of the present utility model, the slurry discharge pipe protrudes upwards from the laminated plate.

As a preferred embodiment of the present utility model, the top end of the second sleeve is flush with the upper surface of the laminated plate.

As an improvement of the present utility model, the longitudinally stressed steel bar protrudes from the end of the prefabricated slab, and the protruding longitudinally stressed steel bar overlaps the upper surface of the prefabricated shear wall, and passes through the shear wall transversely. Above and beyond the centerline of the shear wall, it improves the integrity between the laminated slab and the shear wall.

As an embodiment of the present invention, the upper side of the second section of the sleeve is bound with encrypted horizontally distributed reinforcing bars, and the horizontally distributed reinforcing bars and longitudinal negative reinforcing bars of the steel mesh sheet are respectively bound with the correspondingly encrypted horizontally distributed reinforcing bars to complete the reinforced mesh Binding of slices to corresponding steel bars in prefabricated shear walls.

As a further improvement of the utility model, annular shear keys are arranged on the inner wall of the first section of the sleeve, and the annular shear keys are arranged side by side along the height direction of the first section of the sleeve, and the second There is no annular shear key in the segment sleeve.

Compared with the prior art, the utility model has the following remarkable effects:

⑴This utility model can solve the problems of complex layout and binding procedures, workload and low work efficiency of steel bars during on-site construction of cast-in-place concrete structures. Designing the hoisting point is enough, which greatly reduces the workload of arranging steel bars on site, reduces the difficulty of construction, and improves the accuracy of steel bar binding, which is conducive to the standardized production and installation of prefabricated components.

(2) The combined grouting sleeve of the utility model is arranged in the node of the prefabricated shear wall and the laminated slab, so that the shear wall member can form a plastic hinge at the bottom, resulting in plastic deformation, and enhancing the seismic performance of the shear wall.

(3) This utility model adopts a combined grouting sleeve. When making a prefabricated shear wall, the first section of the sleeve is completely buried on the top of the prefabricated shear wall, and only the positioning teeth of the first section of the sleeve are exposed to the prefabricated shear wall. On the upper surface, after the first sleeve is installed on the upper end of the vertical reinforcement in the prefabricated shear wall, the positioning teeth of the first sleeve can be fixed on the mold, and then the reinforcement is bound to pour concrete, so that the second sleeve in the prefabricated shear wall The pre-embedded precision of the first section of the sleeve is improved; after the prefabricated shear wall is hoisted to the site, the second section of the sleeve is directly installed on the first section of the sleeve through the positioning teeth, without binding or welding, which makes the construction more efficient improve.

(4) The arrangement of the longitudinally stressed steel bars at the end of the prefabricated slab of the utility model can improve the integrity between the laminated slab and the shear wall.

(5) The utility model enables effective force transmission between the prefabricated slab and the post-cast concrete laminated layer through the steel mesh, achieves the purpose of joint force and coordinated deformation, and improves the integrity and force performance of the assembled structure.

⑹ The shear structural steel bars on the prefabricated slab of the present utility model are vertically arranged, similar to the shape of a stirrup, protruding from the upper surface of the prefabricated slab in an exposed shape, and the shear structural steel bars are arranged on the prefabricated slab according to the design requirements. At the same time of structural performance, it also improves the economy of prefabricated components, facilitates the distribution and fixing of steel bars, and at the same time strengthens the bonding and occlusal force of prefabricated components and cast-in-place laminated layers, improving the integrity and the ability to work together under force.

⑺The utility model can quickly and flexibly set additional steel bars for the slabs on site, which is convenient for assembling and lapping prefabricated floor slabs, and can also realize a flat and beautiful wall panel structure, which is convenient for stacking of laminated slabs on the construction site, and at the same time can improve the integrity and mechanical performance of the structure .

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

Fig. 1 is a structural sectional view of the utility model;

Fig. 2 is the sectional view of the utility model prefabricated shear wall;

Fig. 3 is a schematic structural view of the utility model after removing the poured concrete laminated layer;

Fig. 4 is a top view of the utility model after removal of the poured concrete laminated layer.

In the figure: 1. Prefabricated shear wall; 2. The first section of sleeve; 3. The second section of sleeve; 4. Prefabricated slab; 5. The longitudinal negative reinforcement of the reinforcement mesh; 6. The horizontal distribution of reinforcement of the reinforcement mesh ; 7. Vertical reinforcement in prefabricated shear walls; 8. Horizontal distribution reinforcement in prefabricated shear walls; 9. Tie reinforcement in prefabricated shear walls; 10. Longitudinal stress reinforcement in prefabricated slabs; 11. Horizontal distribution reinforcement in the prefabricated slab; 12. Laminated layer of post-cast concrete; 13. Grouting pipe; 14. Grout discharge pipe; 15. Encrypted horizontal distribution reinforcement; 16. Shear structural reinforcement; Positioning teeth of a section of sleeve; 19, laminated plate; 20, annular shear key.

detailed description

As shown in Figures 1 to 4, it is an assembled prefabricated shear wall and laminated plate joint connected by a combined grouting sleeve of the present invention, including a prefabricated shear wall 1, a laminated plate 19 and a combined grouting sleeve, The prefabricated shear wall 1 is a reinforced concrete prefabricated wall, and it is installed vertically. The upper end of the prefabricated shear wall 1 is pre-embedded with the first section of sleeve 2, and the lower end of the prefabricated vertical steel bar 7 is extended; The prefabricated slab 4 is set horizontally, the prefabricated slab 4 is a reinforced concrete prefabricated slab, the two sides of the prefabricated slab 4 protrude longitudinally stressed steel bars 10, and the upper surface of the prefabricated slab 4 exposes the shear structure Steel bar 16, the steel mesh sheet is horizontally located above the prefabricated slab 4 and in the post-cast concrete laminate layer 12, the steel mesh sheet is bound together with the corresponding steel bars in the prefabricated shear wall 1 and laminated slab 19, and the combined grouting sleeve The sleeve is located at the node of the prefabricated shear wall 1 and the laminated plate 19. The combined grouting sleeve includes the first section of the sleeve 2 and the second section of the sleeve 3. The top of the first section of the sleeve 2 and the second section of the sleeve 3 The bottom end of the sleeve 2 is threaded, that is, the second sleeve 3 is connected to the first sleeve 2 through the positioning teeth 18 of the first sleeve 2 . The bottom end of the first sleeve 2 is connected to the top of the vertical steel bar 7 in the prefabricated shear wall 1, and is fully embedded in the top of the prefabricated shear wall 1, and only the upper end of the first sleeve 2 is positioned The teeth 18 are exposed on the upper surface of the prefabricated shear wall 1, and the second segment of the sleeve 3 is pre-embedded in the post-cast concrete laminated layer 12; the prefabricated shear wall 1 on the upper floor protrudes downward from the vertical reinforcement 7, The vertical steel bar 7 is inserted into it from the top of the second sleeve 3 and extends into the first sleeve 2 until it is close to the bottom of the first section of the sleeve 2 . The grouting pipe 14 is provided with a grouting pipe 13 communicating with the inside of the bottom of the first sleeve 2, and the grouting material is poured into the grouting sleeve from the grouting pipe 13 until the grouting material overflows from the grouting pipe 14, so that The grouting sleeve is filled with grouting material, and after the grouting material in the combined grouting sleeve is firmly connected with the vertical reinforcement, the prefabricated shear wall and laminated slab joints are formed.

Prefabricated shear wall 1 is a prefabricated wall produced in a standardized manner. As shown in Figure 2, the reinforcement in prefabricated shear wall 1 includes vertical reinforcement 7, horizontal distribution reinforcement 8 and tie reinforcement 9. Pairs are set and arranged side by side and spaced along the length direction of the prefabricated shear wall 1, and the horizontally distributed steel bars 8 are arranged in pairs in the thickness direction of the prefabricated shear wall 1 and arranged side by side and spaced along the height direction of the prefabricated shear wall 1 , each pair of horizontally distributed reinforcing bars 8 is located on the outside of a pair of vertical reinforcing bars 7, and the reinforcing bars 9 are tied on both sides of the reinforcement mesh composed of vertical reinforcing bars 6 and horizontally distributed reinforcing bars 7. The vertical steel bar 7 in the prefabricated shear wall protrudes downward from the wall, and the end of the upper vertical steel bar 7 of the prefabricated shear wall 1 is covered with a first section of sleeve 2, and the first section of sleeve 2 is completely buried in the prefabricated shear wall. In the shear wall 1, only the positioning teeth 18 of the first section of the sleeve 2 are exposed on the upper surface of the prefabricated shear wall 1, and the grouting pipe 13 is pre-embedded in the grouting hole at the lower end of the first section of the sleeve 2, and the first section of the sleeve 2. The joint surface with the positioning teeth 18 is flush with the upper surface of the prefabricated shear wall 1. The grouting pipe 13 is pre-embedded in the grouting hole at the lower end of the sleeve 2 in the first section, and the vertical reinforcement 7, Reinforcement and binding of steel bars 8 and tie bars 9 are distributed horizontally, as well as the arrangement of the first sleeve 2 and grouting pipe 13, and the concrete pouring and maintenance of prefabricated components are carried out in the factory to complete the production of prefabricated shear wall 1.

The prefabricated slab 4 of the laminated slab is a reinforced concrete slab produced in a standardized manner. As shown in Figure 3, the longitudinally stressed steel bars 10 are extended at the end of the prefabricated slab. When the steel bar extends into the post-cast concrete of the support wall, the anchorage length should not be less than 5d, and should extend beyond the center line of the support; after the structural force check calculation, it is required to complete the stressed steel bar, horizontally distributed steel bar and laminated slab shear structure in the factory Reinforcement and binding of steel bars, and concrete pouring and maintenance of prefabricated components in the factory to complete the production of prefabricated panels. The reinforcing bars in the prefabricated slab 3 include longitudinally stressed reinforcing bars 10, horizontally distributed reinforcing bars 11, and shear structural reinforcing bars 16. The longitudinally stressed reinforcing bars 10 are stretched out at the ends, and the shearing structural reinforcing bars 16 are arched vertically arranged to resist shearing. The lower end of the structural steel bar 16 is bound together with the longitudinal stressed steel bar 10 and the horizontal distribution steel bar 11 in the prefabricated slab 4, and its upper end is exposed on the upper surface of the prefabricated slab 4 and is located in the post-cast concrete laminated layer 12; the prefabricated The slab 3 is hoisted from top to bottom, the end of the prefabricated slab 3 stretches out and the longitudinal force-bearing steel bar 10 is lapped on the upper part of the prefabricated shear wall 1 , and supports are provided under the prefabricated slab 3 . Before the post-casting concrete laminate layer 12 is poured on site, the second segment sleeve 3 is connected to the first segment sleeve 2 through positioning teeth 18, and the upper surface of the second segment sleeve 3 is connected to the post-cast concrete laminate layer. The upper surface of 12 is flush, and then the grout discharge pipe 14 is pre-embedded in the grout discharge hole at the upper end of the second segment sleeve 3, and then the grouting sleeve is bound on the upper side of the second segment sleeve 3 to intensify the horizontal distribution of steel bars 15 and steel mesh sheets It is mainly composed of longitudinal negative reinforcement bars 5 and horizontal distribution reinforcement bars 6. The longitudinal negative reinforcement bars 5 are located on the upper surface of the horizontal distribution reinforcement bars 6. The distributed steel bars 15 are bound accordingly, concrete is poured on site, and the prefabricated slab 4 and the post-cast concrete lamination layer 12 are combined to form a floor slab.

The combined grouting sleeve of the utility model is a qualified product provided by the manufacturer. An annular shear key 20 is arranged on the inner wall of the first section of the sleeve 2, and the annular shear key 20 is along the height of the first section of the sleeve 2. The directions are arranged side by side at intervals, and there is no annular shear key in the second section of the sleeve 3 . According to the requirements of the structural force checking calculation and the diameter of the steel bar, the number and position of the first sleeve 2 and the second sleeve 3 are configured, and the lower end of the first sleeve 2 is connected to the upper end of the vertical steel bar 7 in the prefabricated shear wall 1, And before pouring the prefabricated shear wall 1, the installation of the first section of the sleeve 2 is completed, and then the concrete is poured, and the first section of the sleeve 2 is fully buried in the upper end of the prefabricated shear wall 1, and only the first section of the sleeve 2 The positioning teeth 18 are exposed on the upper surface of the prefabricated shear wall 1 to complete the pre-embedding of the first section of the sleeve 2; according to the requirements of the "Technical Regulations for Prefabricated Concrete Structures", when the grouting sleeve is used for connection, from the bottom of the sleeve to the sleeve Within the range of 300mm extending upwards from the top, the horizontally distributed reinforcement of the prefabricated shear wall 1 is dense, and the distance from the first horizontally distributed reinforcement at the upper end of the sleeve to the top of the sleeve should not be greater than 50mm; while the grouting sleeve of the node in the utility model is covered in the prefabricated On the top reinforcement of the shear wall, the upper surface of the grouting sleeve and the upper surface of the floor are in the same horizontal plane, so when the sleeve grouting connection is used, the prefabricated The horizontally distributed reinforcement of the shear wall is dense, and the distance from the first horizontally distributed reinforcement at the lower end of the sleeve to the top of the sleeve should not be greater than 50mm. Before pouring the post-cast concrete composite layer 12, the second segment sleeve 3 is connected to the first segment sleeve 2 through the positioning teeth 18, and the upper surface of the second segment sleeve 3 is connected to the post-cast concrete composite layer 12. The surface is in the same horizontal plane, and then concrete is poured, and the second section of sleeve 3 is fully buried in the post-cast concrete lamination layer 12 to complete the pre-embedding of the second section of sleeve 3 .

The post-cast concrete laminated layer 12 of the utility model includes the longitudinal negative reinforcement 4 of the reinforcement mesh, the horizontally distributed reinforcement 5 and the second section of the sleeve 3, and the longitudinal negative reinforcement of the reinforcement mesh is completed on site after passing the structural force check calculation requirements. 4 and the reinforcement and binding of the horizontally distributed steel bars 5 and the arrangement of the second sleeve 3, first install the second sleeve 3 on the first sleeve 2, and then discharge the slurry on the upper end of the second sleeve 3 Grout discharge pipe 13 is pre-buried in the hole, and then the steel mesh is bound to the encrypted horizontally distributed steel bars 15 bound to the upper side of the first section of sleeve 2 and bound to the shear structural steel bars 16, and concrete is poured on site, and the prefabricated slab of the laminated slab 4 and the post-cast concrete lamination layer 12 together form the floor slab.

A construction method of the above-mentioned assembled prefabricated shear wall and laminated slab joint connected by a combined grouting sleeve is as follows: making the prefabricated shear wall 1: binding the steel bars in the prefabricated shear wall 1, and the steel bars in the prefabricated shear wall 1 Including the vertical steel bar 7, the first section of the sleeve 2 is set on the upper end of the vertical steel bar 7, and the concrete is poured to form the prefabricated shear wall 1, wherein the first section of the sleeve 2 is fully buried in the prefabricated shear wall 1, and The positioning teeth 18 of the first section of the sleeve 1 are exposed on the upper surface of the prefabricated shear wall 1, and the grouting pipe 13 is pre-embedded in the grouting hole at the lower end of the first section of the sleeve 1, and the vertical steel bars 7 protrude downwards and out of the prefabricated Shear wall 1; making prefabricated slab 4: binding the steel bars in the prefabricated slab 4, the steel bars in the prefabricated slab 4 include longitudinal stress reinforcement 10, pouring concrete to form the prefabricated slab 4, the longitudinal stress reinforcement 10 protrudes from the end of the prefabricated slab 4 part; the prefabricated slab 4 is hoisted from top to bottom, the longitudinally stressed steel bar 10 protruding from the end of the prefabricated slab 4 is lapped on the upper part of the prefabricated shear wall 1, and a support is set under the prefabricated slab 4, and then the reinforcement mesh The sheet is horizontally arranged above the prefabricated slab 4; the second segment sleeve 3 is connected to the first segment sleeve 2 through the positioning teeth 18, and the slurry discharge pipe 14 is pre-embedded in the slurry discharge hole at the upper end of the second segment sleeve 3 Bind the reinforcement mesh sheet with the corresponding steel bars in the prefabricated shear wall 1 and the laminated slab 19; In the plate 4, its upper end is exposed on the upper surface of the prefabricated plate 4; after the slurry discharge pipe 14 is pre-embedded in the slurry discharge hole at the upper end of the second segment sleeve 3, the densification level is bound on the upper side of the second segment sleeve 3 Distribute the steel bars 15, and bind the reinforcement mesh sheets and the encrypted horizontally distributed reinforcement bars 15 accordingly so as to complete the binding of the reinforcement mesh sheets and the corresponding reinforcement bars in the prefabricated shear wall 1; Corresponding binding is thus completed the binding of the reinforcement mesh sheet and the corresponding steel bar in the laminated plate 19 . Concrete is poured into the reinforcement mesh, so that the prefabricated slab 4 and the post-cast concrete laminated layer 12 jointly form a laminated slab 19, that is, a floor slab; after the poured concrete reaches the specified strength, the precast shear wall 1 located on the upper floor is The vertical reinforcement 7 protruding from the bottom is inserted into the first sleeve 2 through the second sleeve 3, and supports are set to fix the prefabricated shear wall 1. The grouting starts from the grouting pipe 13 until the grouting pipe 14 overflows. After the grouting material in the grouting sleeve and the vertical steel bar 7 are firmly connected, the joint of the prefabricated shear wall and the laminated slab is formed.

The implementation of the utility model is not limited thereto. According to the above content of the utility model, according to the common technical knowledge and conventional means in this field, without departing from the above-mentioned basic technical idea of the utility model, the utility model can also make other Various forms of modification, replacement or change all fall within the protection scope of the utility model.

Claims (10)

1. a kind of prefabricated shear wall with Combined grouting sleeve connection with overlapping plate node, including precast shear wall and Superimposed sheet, it is characterised in that：The superimposed sheet is mainly made up of prefabricated board, reinforced mesh and rear pouring concrete overlapping layers, described Reinforced mesh is horizontal located at the top of prefabricated board and in rear pouring concrete overlapping layers, the reinforced mesh and prefabricated shearing Corresponding reinforcing bar colligation together, is provided with vertical combination at the node of precast shear wall and superimposed sheet in wall, superimposed sheet Formula grout sleeve, the Combined grouting sleeve include first paragraph sleeve and second segment sleeve, the top of first paragraph sleeve and the The bottom of two sections of sleeves is connected, and the bottom of first paragraph sleeve is connected in precast shear wall on the top of vertical reinforcement, and complete pre- It is embedded in the top of precast shear wall, and the connecting portion of first paragraph sleeve and second segment sleeve is exposed at the upper of precast shear wall On surface, second segment sleeve is embedded in rear pouring concrete overlapping layers in advance；Precast shear wall positioned at a upper floor is overhang downwards Vertical reinforcement, the vertical reinforcement is inserted in it and stretched into first paragraph sleeve from the top of second segment sleeve, in second segment sleeve Top be provided with its internal discharge pipe connect, the grout pipe connected with inside it is provided with the bottom of first paragraph sleeve, it is logical Cross from grout pipe and grouting material is poured into grout sleeve, and until discharge pipe overflows grouting material so that perfusion is full in grout sleeve Grouting material.

2. the prefabricated shear wall according to claim 1 with Combined grouting sleeve connection and overlapping plate node, It is characterized in that：Reinforcing bar in precast shear wall includes the vertical reinforcement, horizontal distribution reinforcing bar and steel tie, described vertical Reinforcing bar is arranged in pairs and is alongst intervally arranged side by side in the horizontal, the horizontal distribution reinforcing bar in a thickness direction into To setting and being intervally arranged side by side along short transverse, each pair horizontal distribution reinforcing bar is described positioned at the outside of a pair of vertical reinforcements The reinforced mesh that steel tie drawknot both sides are made up of vertical reinforcement and horizontal reinforcement.

3. the prefabricated shear wall according to claim 2 with Combined grouting sleeve connection and overlapping plate node, It is characterized in that：The bottom of the first paragraph sleeve is the interior end of thread for setting screw thread, and the end of thread is with being located at that the floor is prefabricated to be cut The vertical reinforcement upper end connection of power wall；The top of the first paragraph sleeve is provided with the positioning tooth as the connecting portion, described Positioning tooth is exposed on the upper surface of precast shear wall.

4. the prefabricated shear wall according to claim 3 with Combined grouting sleeve connection and overlapping plate node, It is characterized in that：Reinforcing bar in prefabricated board includes Reinforcement, horizontal distribution reinforcing bar and shearing resistance distributing bar, the shearing resistance Distributing bar is vertically arranged arch, Reinforcement and horizontal distribution in the lower end and prefabricated board of shearing resistance distributing bar Reinforcing bar colligation together, is brought out on the upper surface for being exposed at prefabricated board and in rear pouring concrete overlapping layers thereon；The reinforcing bar Mainly the negative reinforcing bar in the longitudinal direction by horizontal distribution reinforcing bar and on the horizontal distribution reinforcing bar upper surface forms mesh sheet, the bar-mat reinforcement The negative reinforcing bar of the horizontal distribution reinforcing bar of piece and longitudinal direction is respectively together with the shearing resistance distributing bar colligation on prefabricated board so as to complete Into the colligation of reinforced mesh reinforcing bar corresponding with superimposed sheet.

5. the prefabricated shear wall according to claim 4 with Combined grouting sleeve connection and overlapping plate node, It is characterized in that：Vertical reinforcement is overhang downwards positioned at the precast shear wall of a upper floor inserts it from the top of second segment sleeve Bottom that is interior and extending the close first paragraph sleeve.

6. the prefabricated shear wall according to claim 5 with Combined grouting sleeve connection and overlapping plate node, It is characterized in that：The discharge pipe stretches out superimposed sheet upwards.

7. the prefabricated shear wall according to claim 6 with Combined grouting sleeve connection and overlapping plate node, It is characterized in that：The top of the second segment sleeve and the upper surface of superimposed sheet are flush.

8. the prefabricated shear wall according to claim 7 with Combined grouting sleeve connection and overlapping plate node, It is characterized in that：The Reinforcement overhangs the end of prefabricated board, and the Reinforcement overhang is overlapped on prefabricated The top of shear wall, and the top laterally across precast shear wall and the center line more than precast shear wall.

9. the prefabricated shear wall according to claim 8 with Combined grouting sleeve connection and overlapping plate node, It is characterized in that：Encryption horizontal distribution reinforcing bar, the horizontal distribution of the reinforced mesh are banded with second segment upper cartridge side The negative reinforcing bar of reinforcing bar and longitudinal direction respectively colligation corresponding to encryption horizontal distribution reinforcing bar so as to complete reinforced mesh with precast shear wall The colligation of corresponding reinforcing bar.

10. the prefabricated shear wall according to claim 9 with Combined grouting sleeve connection and overlapping plate node, It is characterized in that：It is provided with annular shear connector on the inwall of the first paragraph sleeve, the annular shear connector is along first paragraph set The short transverse of cylinder is not provided with annular shear connector in being intervally arranged side by side in second segment sleeve.