CN206873665U - A kind of prefabricated shear wall and overlapping plate node - Google Patents

Abstract

The utility model discloses an assembled prefabricated shear wall and laminated slab joint, comprising a prefabricated shear wall and a laminated slab, a grouting sleeve is arranged at the joint between the prefabricated shear wall and the laminated slab, and the lower part of the grouting sleeve is buried in the prefabricated The upper end of the shear wall is inside, and the rest is located in the post-cast concrete laminated layer of the laminated slab. The bottom end of the grouting sleeve is placed on the top of the vertical steel bar in the prefabricated shear wall, and the prefabricated shear wall on the upper floor is placed downward. The vertical steel bars protrude from the outside, and the vertical steel bars are inserted into it from the top of the grouting sleeve. The upper and lower parts of the grouting sleeve are respectively provided with a grouting pipe and a grouting pipe. The grouting material is poured into the grouting sleeve from the grouting pipe until the The overflow of the grouting pipe fills the grouting sleeve with grouting material. The grouting sleeve of the utility model is a connecting piece of the upper layer and the lower layer shear wall, and forms a plastic hinge at the bottom. Prefabricated shear walls and prefabricated slabs form wall panel joints through the interconnection and bonding of grouting sleeves, steel mesh sheets and post-cast concrete, which improves the integrity and seismic resistance of the joints.

Description

A prefabricated prefabricated shear wall and laminated slab joint

technical field

The utility model relates to an assembled prefabricated shear wall and a composite plate node.

Background technique

Prefabricated reinforced concrete structures have already had many practical applications and relatively 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 "building industrialization and housing industrialization" in my country, the application of prefabricated shear wall structures is becoming more and more extensive, and the practical application and theoretical research of prefabricated buildings in China is deepening.

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 optimized design of prefabricated components in the current stage of domestic prefabricated reinforced concrete structures.

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 laminated slab joints 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 bar at the top of the prefabricated shear wall of this layer and grouted, so as to connect the upper and lower shear walls. 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 with better overall performance and seismic performance and high construction efficiency, which can overcome the construction of the existing assembled reinforced concrete shear wall and laminated slab structure system The shortcomings of low efficiency, poor installation accuracy, and cumbersome on-site tying of steel bars can reduce the number of on-site supports, improve the integrity and seismic performance of prefabricated reinforced concrete shear walls and laminated slab joints, and are suitable for widespread application 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, including prefabricated shear walls and laminated slabs, is characterized in that: the laminated slab is mainly composed of prefabricated slabs, steel mesh It is composed of sheet and post-cast concrete laminated layer. The steel mesh sheet is horizontally arranged above the prefabricated slab and in the post-cast concrete laminated layer. tied together. A vertical grouting sleeve is provided at the junction of the prefabricated shear wall and the laminated slab. The lower part of the grouting sleeve is buried in the upper end of the prefabricated shear wall, while the rest is placed in the post-cast concrete lamination of the laminated slab. layer, and the bottom end of the grouting sleeve is placed on the top of the vertical reinforcement in the prefabricated shear wall. The top of the cylinder is inserted into it, and the upper and lower parts of the grouting sleeve are respectively provided with a grouting pipe and a grouting pipe communicating with the inside, and the grouting material is poured into the grouting sleeve from the grouting pipe until it overflows from the grouting pipe. Fill the grouting sleeve with grouting material.

The grouting sleeve of the utility model is the connector of the upper and lower shear walls, located on the top of the prefabricated shear wall, and buried in the top of the prefabricated shear wall and the post-cast concrete lamination layer, so the shear wall can be formed at the bottom Plastic hinges to avoid situations where existing nodes would pull off the bottom reinforcement. Moreover, the utility model solves the cumbersome problem of the layout and binding process of the steel bars when the prefabricated concrete structure is constructed on site. When the cast-in-place concrete structure is constructed on site, the arrangement and binding process of steel bars is complicated, the workload is low, and the work efficiency is low. 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 prefabricated slabs of prefabricated shear walls and laminated slabs form the joints between the upper and lower walls of the shear wall and the laminated slabs through the grouting sleeves, steel mesh sheets, and post-cast concrete. Integrity and earthquake resistance of nodes.

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 invention, the bottom of the grouting sleeve is a threaded end with an internal thread, and the threaded end is connected to the upper end of the vertical reinforcement of the prefabricated shear wall on the floor.

As an embodiment of the present utility model, 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, the shear structural steel bars are arched, and the shear structural steel bars The lower end is tied together with the longitudinally stressed steel bars and horizontally distributed steel bars 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; the utility model is installed on the prefabricated slab according to the design requirements The shear structural reinforcement not only strengthens the structural performance of the components, but also improves the economy of the prefabricated components, facilitates the distribution and fixing of the reinforcement, and also strengthens the bonding force between the prefabricated components and the cast-in-place laminated layer, so that it can be improved. 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 longitudinal negative steel bars of the steel mesh are respectively bound together with the shear structural steel bars on the prefabricated slab to complete the binding of the steel mesh and the corresponding steel bars in the laminated slab. The laminated slab is bound with the shear structural reinforcement on the prefabricated slab through the steel mesh and poured the concrete laminated layer, so that the prefabricated slab and the post-cast concrete laminated layer together form the floor slab.

As an embodiment of the present invention, the grouting sleeve is a connector of the upper and lower shear walls, the lower part is buried in the top of the prefabricated shear wall, and the rest is buried in the post-cast concrete laminated layer.

As an improvement of the utility model, the vertical reinforcing bars protruding downward from the prefabricated shear wall on the upper floor extend to the bottom close to the grouting 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 invention, the top end of the grouting sleeve and the upper surface of the laminated plate are located in the same horizontal plane.

As an improvement of the 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 part of the prefabricated shear wall, and passes through the prefabricated shear wall in the transverse direction. Above and beyond the centerline of the prefabricated shear wall, it improves the integrity between the laminated slab and the prefabricated shear wall.

As a recommended method of this utility model, from the top of the grouting sleeve to its bottom and extending downwards within 300mm, the horizontal distribution bars of the prefabricated shear wall are denser, and the first horizontal distribution reinforcement at the lower end of the grouting sleeve is farther away from the top of the sleeve No more than 50mm.

As a further improvement of the present invention, annular shear keys are provided on the inner wall of the grouting sleeve, and the shear keys are arranged side by side and at intervals along the height direction of the grouting sleeve.

As an embodiment of the present invention, the upper side of the grouting sleeve is bound with encrypted horizontally distributed steel bars, and the horizontally distributed steel bars and longitudinal negative steel bars of the steel mesh are respectively bound with the encrypted horizontally distributed steel bars to complete the connection between the steel bar mesh and the horizontally distributed steel bars. Binding of corresponding steel bars in prefabricated shear walls.

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 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 component can form a plastic hinge at the bottom, resulting in plastic deformation, and enhancing the seismic performance of the prefabricated shear wall.

(3) The ends of the prefabricated slabs of the utility model protrude longitudinally stressed steel bars, which can improve the integrity between the laminated slabs and the prefabricated shear walls.

(4) The utility model uses steel mesh sheets to enable effective force transmission between the prefabricated slab and the post-cast concrete laminated layer, so as to achieve the purpose of joint force and coordinated deformation, and improve the integrity and force performance of the assembled structure.

⑸The utility model is equipped with shear structural reinforcement on the prefabricated slab, which can be installed on the prefabricated slab according to the design requirements. The shear structural reinforcement not only strengthens the structural performance of the component, but also improves the economy of the prefabricated component, which can facilitate the reinforcement The distribution is fixed, and at the same time, the bonding and occlusal force between the prefabricated components and the cast-in-place laminated layer is strengthened, and the integrity and the ability to work together under force are improved.

⑹ The utility model can quickly and flexibly set additional steel bars for the slab on site, which is convenient for assembling and lapping prefabricated floor slabs, and can also realize the smooth and beautiful structure of beams and slabs, which is convenient for the 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 prefabricated shear wall in the utility model;

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. Grouting sleeve; 3. Prefabricated slab; 4. Longitudinal negative reinforcement of reinforcement mesh; 5. Horizontal distribution reinforcement of reinforcement mesh; 6. Vertical 7. Horizontally distributed reinforcement in prefabricated shear walls; 8. Tie reinforcement in prefabricated shear walls; 9. Longitudinal stressed reinforcement in prefabricated slabs; 10. Horizontal distributed reinforcement in prefabricated slabs; 11. Laminated layer of post-cast concrete; 12. Grouting pipe; 13. Grouting pipe; 14. Encrypted horizontal distribution reinforcement; 15. Shear structural reinforcement; 16. Sealing mortar;

detailed description

As shown in Figures 1 to 4, it is a prefabricated assembled shear wall and laminated slab node of the present invention, including a prefabricated shear wall 1, a laminated slab 17 and a grouting sleeve 2, and the prefabricated shear wall 1 is vertically arranged. The prefabricated shear wall 1 is a reinforced concrete prefabricated wall. The upper end of the prefabricated shear wall 1 protrudes from the grouting sleeve 2, and the lower end protrudes from the vertical reinforcement 6; the laminated slab 17 is mainly composed of prefabricated slabs 3, steel mesh sheets and post-cast concrete. Composed of layers 11, prefabricated slab 3 is arranged horizontally, the prefabricated slab 3 of the laminated slab is a reinforced concrete prefabricated slab, the two sides of the prefabricated slab 3 protrude steel bars, and the upper surface of the prefabricated slab 4 exposes the shear structural steel bars 15; the steel mesh is arranged horizontally Above the prefabricated slab 3 and in the post-cast concrete laminated layer 11, the reinforcement mesh is bound together with the corresponding steel bars in the prefabricated shear wall 1 and laminated slab 17, and the grouting sleeve 2 is located between the precast shear wall 1 and the laminated slab 17. At the node of the laminated slab 17, the lower part of the grouting sleeve 2 is buried in the upper end of the prefabricated shear wall 1, while the rest is located in the post-cast concrete laminated layer 11 of the laminated slab 17, and the bottom of the grouting sleeve 2 Covered on the top of the vertical steel bar 6 in the prefabricated shear wall 1, the bottom of the grouting sleeve 2 is screwed to the upper end of the vertical steel bar 6 in the prefabricated shear wall 1 on the floor. The vertical steel bar 6 protruding downward from the prefabricated shear wall 1 on the upper floor is inserted into it from the top of the grouting sleeve 2, and the vertical steel bar 6 extends to the bottom near the grouting sleeve 2, and the grouting sleeve The upper part and the lower part of 6 are respectively provided with a grout discharge pipe 13 and a grouting pipe 12 communicating with the interior thereof, and the grout discharge pipe 13 protrudes upward from the laminated plate. The grouting material is poured into the grouting sleeve 2 from the grouting pipe 12 until the grouting material overflows from the grouting pipe 13 , thereby filling the grouting sleeve 2 with the grouting material.

The prefabricated shear wall of the present embodiment is the prefabricated wall 1 of standardized production, as shown in Figure 2, the reinforcement in the prefabricated shear wall 1 comprises vertical reinforcement 6, horizontal distribution reinforcement 7 and tie reinforcement 8, vertical reinforcement 6 They are arranged in pairs in the transverse direction and arranged side by side along the length direction of the prefabricated shear wall 1 at intervals. Arranged side by side at intervals, each pair of horizontally distributed reinforcing bars 7 is located outside a pair of vertical reinforcing bars 6, and the reinforcing bars 8 are tied on both sides of the reinforcement mesh composed of vertical reinforcing bars 6 and horizontally distributed reinforcing bars 7. The lower end of the vertical steel bar 6 in the prefabricated shear wall protrudes from the wall, and the upper end is connected with the lower threaded end of the grouting sleeve 2. The lower part of the grouting sleeve 2 is buried in the upper end of the prefabricated shear wall 1. The upper surface and the upper surface of the post-cast concrete laminated layer 11 are in the same horizontal plane, and the grouting pipe 12 is pre-embedded in the grouting hole at the lower end of the grouting sleeve 2 . After the structural force checking calculation, it is required to complete the reinforcement and binding of the vertical reinforcement 6, the horizontal distribution reinforcement 7 and the tie reinforcement 8 and the arrangement of the grouting sleeve 2 in the factory, and the concrete pouring and curing of the prefabricated components in the factory, so as to complete the prefabrication Production of shear wall 1.

The prefabricated slab 3 of the laminated slab of the present embodiment is the prefabricated slab of standardized production, and as shown in Figure 3, the reinforcing bar in the prefabricated slab 3 comprises longitudinal stress reinforcement 9, horizontal distribution reinforcement 10 and shear structural reinforcement 15, longitudinal stress The steel bars 9 protrude from the end of the prefabricated slab 3. According to the requirements of the "Technical Regulations for Prefabricated Concrete Structures", when the stressed steel bars at the bottom of the prefabricated slab extend into the post-cast concrete of the support wall, the anchorage length should not be less than 5d. And it should extend beyond the center line of the support; after the structural force check, it is required to complete the reinforcement and binding of the longitudinal force reinforcement, horizontal distribution reinforcement and shear structural reinforcement in the factory, and carry out the concrete pouring and maintenance of the prefabricated components in the factory to complete the prefabrication Production of boards. At the construction node, the prefabricated slab 3 is hoisted from top to bottom, the end of the prefabricated slab 3 is stretched out and the longitudinal stress reinforcement 9 is lapped on the upper part of the prefabricated shear wall 1, and supports are provided under the prefabricated slab 3 . Before pouring the post-poured concrete composite layer 11 on site, the grout discharge pipe 13 is pre-embedded in the grout discharge hole at the upper end of the grouting sleeve 2, and then the dense horizontally distributed steel bars 14 are bound on the side of the upper end of the grouting sleeve 2. The reinforcement mesh is mainly composed of longitudinal negative reinforcement 4 and horizontal distribution reinforcement 5. The longitudinal negative reinforcement 4 is located on the upper surface of the horizontal distribution reinforcement 5. Correspondingly binding with the encrypted horizontally distributed steel bars 14, concrete is poured on site, so that the prefabricated slab 3 and the post-cast concrete lamination layer 11 together form a floor slab.

The grouting sleeve 2 of this embodiment is a qualified product provided by the manufacturer, and an annular shear force key 18 is arranged on the inner wall of the grouting sleeve 2, and the shear force keys 18 are arranged side by side and at intervals along the height direction of the grouting sleeve 2 . The number and position of the grouting sleeve 2 are configured according to the requirements of the structural force check and the diameter of the steel bar, and the threaded end of the grouting sleeve 2 is connected to the upper end of the vertical steel bar 6 in the prefabricated shear wall, and before pouring the prefabricated shear wall 1 , complete the installation of the grouting sleeve, and then pour concrete, bury the lower part of the grouting sleeve 2 on the top of the prefabricated shear wall, and complete the pre-embedding of the grouting sleeve 2. According to the requirements of the "Technical Regulations for Prefabricated Concrete Structures", when the grouting sleeve is used for grouting connection, within the range from the bottom of the grouting sleeve to the top of the grouting sleeve and extending upwards for 300mm, the horizontal distribution of the prefabricated shear walls is dense, and the grouting sleeve The distance from the top of the grouting sleeve to the first horizontally distributed reinforcing bar at the upper end should not be greater than 50mm; while the grouting sleeve of the node in the utility model is set on the top reinforcing bar of the prefabricated shear wall, the upper surface of the grouting sleeve and the upper surface of the floor slab In the same horizontal plane, when using sleeve grouting connection, from the top of the grouting sleeve to the bottom of the grouting sleeve and extending downwards within 300mm, the horizontal distribution of the prefabricated shear wall is denser, and the first line at the lower end of the grouting sleeve The distance from the horizontally distributed steel bars to the top of the grouting sleeve should not be greater than 50mm.

A construction method of the above-mentioned assembled prefabricated shear wall and laminated slab joint is as follows: making the prefabricated shear wall 1: binding the steel bars in the prefabricated shear wall 1, the steel bars in the prefabricated shear wall 1 include vertical steel bars 6, and Set the grouting sleeve 2 on the upper end of the steel bar 6, and pour concrete to form the prefabricated shear wall 1, wherein the lower part of the grouting sleeve 2 is buried in the prefabricated shear wall 1, and the grouting hole at the lower end of the grouting sleeve 2 is pre-embedded. 12. The vertical steel bar 6 protrudes downward from the prefabricated shear wall 1; making the prefabricated slab 3: binding the steel bars in the prefabricated slab 3, the steel bars in the prefabricated slab 3 include the longitudinal stressed steel bar 9 and the horizontal distributed steel bar 10, pouring concrete to form The prefabricated slab 3, the longitudinally stressed steel bars 9 protrude from the end of the prefabricated slab 3; The upper part, and support is provided under the prefabricated slab 3, and then the reinforcement mesh is horizontally arranged above the prefabricated slab 3; the grout discharge hole 13 is pre-embedded in the grouting sleeve 2 upper end; the steel bar in the prefabricated slab 3 also includes The shear structural reinforcement 15 is arched, its lower end is located in the prefabricated slab 3, and its upper end is exposed on the upper surface of the prefabricated slab 3; Binding the reinforcement mesh and the encrypted horizontally distributed reinforcement 14 accordingly to complete the binding of the reinforcement mesh and the corresponding reinforcement in the prefabricated shear wall; binding the shear structural reinforcement 15 and the reinforcement mesh in the prefabricated slab 3 accordingly to complete the reinforcement The binding of the mesh sheet and the corresponding steel bar in the laminated plate 17. Concrete is poured into the reinforcement mesh, so that the prefabricated slab 3 and the post-cast concrete laminated layer 11 jointly form a laminated slab 17, that is, a floor slab; after the poured concrete reaches the specified strength, the prefabricated shear wall 1 located on the upper floor is The vertical steel bar 6 protruding from the bottom is inserted into the grouting sleeve 2, and supports are set to fix the prefabricated shear wall 1. The grouting starts from the grouting pipe 12 until the grouting pipe 13 overflows, that is, the assembled prefabricated shear wall and stacking are formed. Plywood nodes.

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 and overlapping plate node, including precast shear wall and superimposed sheet, it is characterised in that：It is described Superimposed sheet is mainly made up of prefabricated board, reinforced mesh and rear pouring concrete overlapping layers, and the reinforced mesh is horizontal to be located at prefabricated board Top and in the rear pouring concrete overlapping layers, the reinforced mesh reinforcing bar corresponding with precast shear wall, superimposed sheet Colligation together, is provided with vertical grout sleeve, the bottom of the grout sleeve at the node of precast shear wall and superimposed sheet It is embedded in the upper end of precast shear wall, and remainder is then in the rear pouring concrete overlapping layers of superimposed sheet, and grout sleeve Bottom be enclosed on the top of vertical reinforcement in precast shear wall, the precast shear wall positioned at a upper floor is overhang downwards Vertical reinforcement, the vertical reinforcement are inserted in it from the top of grout sleeve, be respectively equipped with the upper and lower part of grout sleeve with The discharge pipe and grout pipe of its internal connection, by pouring into grouting material into grout sleeve from grout pipe, until being overflow from discharge pipe Go out so as to fill grouting material in grout sleeve.

2. prefabricated shear wall according to claim 1 and overlapping plate node, it is characterised in that：In precast shear wall Reinforcing bar include the vertical reinforcement, horizontal distribution reinforcing bar and steel tie, the vertical reinforcement be arranged in pairs in the horizontal and Alongst be intervally arranged side by side, the horizontal distribution reinforcing bar be arranged in pairs in a thickness direction and along short transverse simultaneously Row are intervally arranged, and each pair horizontal distribution reinforcing bar is positioned at the outside of a pair of vertical reinforcements, and the steel tie drawknot both sides are by vertical The reinforced mesh of reinforcing bar and horizontal reinforcement composition.

3. prefabricated shear wall according to claim 2 and overlapping plate node, it is characterised in that：The grout sleeve Bottom be the interior end of thread for setting screw thread, the end of thread is connected with being located at the vertical reinforcement upper end of the floor precast shear wall.

4. prefabricated shear wall according to claim 3 and overlapping plate node, it is characterised in that：Steel in prefabricated board Muscle includes Reinforcement, horizontal distribution reinforcing bar and shearing resistance distributing bar, and the shearing resistance distributing bar is arch, and shearing resistance constructs The lower end of reinforcing bar brings out be exposed at prefabricated board thereon together with the Reinforcement in prefabricated board and horizontal distribution reinforcing bar colligation Upper surface on and in the rear pouring concrete overlapping layers；The reinforced mesh is mainly by horizontal distribution reinforcing bar and positioned at the level Reinforcing bar composition is born in longitudinal direction on distribution bar upper surface, the horizontal distribution reinforcing bar of the reinforced mesh and longitudinal direction bear reinforcing bar respectively with The corresponding colligation of shearing resistance distributing bar on prefabricated board is together so as to completing reinforced mesh reinforcing bar corresponding with superimposed sheet Colligation.

5. prefabricated shear wall according to claim 4 and overlapping plate node, it is characterised in that：Positioned at a upper floor The vertical reinforcement that overhangs downwards of precast shear wall extend close to the bottom of the grout sleeve.

6. prefabricated shear wall according to claim 5 and overlapping plate node, it is characterised in that：The discharge pipe to Upper stretching superimposed sheet.

7. prefabricated shear wall according to claim 6 and overlapping plate node, it is characterised in that：The grout sleeve Top and the upper surface of superimposed sheet be located in the same horizontal plane.

8. prefabricated shear wall according to claim 7 and overlapping plate node, it is characterised in that：The longitudinal stress Reinforcing bar overhangs the end of prefabricated board, and the Reinforcement overhang is overlapped on the top of precast shear wall, and laterally across The top of precast shear wall and the center line for exceeding precast shear wall.

9. prefabricated shear wall according to claim 8 and overlapping plate node, it is characterised in that：On grout sleeve Portion side is banded with encryption horizontal distribution reinforcing bar, the horizontal distribution reinforcing bar of the reinforced mesh and longitudinal direction bear reinforcing bar respectively with encryption The corresponding colligation of horizontal distribution reinforcing bar is so as to completing the colligation of reinforced mesh reinforcing bar corresponding with precast shear wall.

10. prefabricated shear wall according to claim 9 and overlapping plate node, it is characterised in that：In the grouting The inwall of sleeve is provided with annular shear connector, and short transverse of the shear connector along grout sleeve is in be intervally arranged side by side.