阅读说明：本技术 预制叠合板式边缘构件及生产方法 (Prefabricated laminated plate type edge member and production method thereof ) 是由 刘文清 祝玉君 马川峰 闫红缨 于 2019-09-20 设计创作，主要内容包括：预制叠合板式边缘构件及生产方法。现阶段钢筋混凝土剪力墙结构边缘构件纵向钢筋套筒连接成本高,灌浆工序对环境要求较高、施工难度大且连接质量不易保证。本发明组成包括：该预制叠合板式边缘构件是由一个一字形边缘构件或多个一字形边缘构件(1)拼接而成,所述的一字形边缘构件是由两层预制混凝土薄板(2)和预埋在两层所述的预制混凝土薄板内的封闭环状纵向钢筋(3)和箍筋(4)组成,两层所述的预制叠合板式混凝土薄板间预埋桁架钢筋(5)、拉结筋(6),上下两层所述的封闭环状纵向钢筋相互交接重叠并形成交接空隙,在形成的交接空隙中插入销接纵筋(7)形成销接结构。本发明用于预制叠合板式边缘构件的生产。(Provided are a prefabricated laminated plate type edge member and a production method. The longitudinal steel bar sleeve connecting cost of the edge member of the reinforced concrete shear wall structure at the present stage is high, the grouting process has high requirements on the environment, the construction difficulty is high, and the connection quality is not easy to guarantee. The invention comprises the following components: this prefabricated coincide board-like edge component is formed by a line edge component or the concatenation of a plurality of line edge component (1), line edge component be by two-layer precast concrete sheet metal (2) and pre-buried two-layer the precast concrete sheet metal in closed cyclic annular longitudinal reinforcement (3) and stirrup (4) constitute, two-layer prefabricated coincide board-like concrete sheet metal between pre-buried truss reinforcing bar (5), drawknot muscle (6), upper and lower two-layer closed cyclic annular longitudinal reinforcement handing-over each other overlap and form the handing-over space, insert pin joint longitudinal reinforcement (7) in the handing-over space that forms and form the pin joint structure. The invention is used for producing prefabricated laminated plate type edge members.)

1. A prefabricated laminated panel edge component characterized by: this prefabricated coincide board-like edge component forms for a line edge component or the concatenation of a plurality of line edge component, line edge component be by two-layer precast concrete sheet metal and pre-buried two-layer the precast concrete sheet metal in the closed ring-shaped longitudinal reinforcement and the stirrup constitute, two-layer the precast concrete sheet metal between pre-buried drawknot muscle, upper and lower two-layer the closed ring-shaped longitudinal reinforcement handing-over each other overlap and form the handing-over space, insert the pin joint in the handing-over space that forms and indulge the muscle and form the pin joint structure.

2. A prefabricated laminated panel edge unit as claimed in claim 1, wherein: truss steel bars are pre-embedded between the two layers of precast concrete sheets, and the stirrups are closed rings.

3. A prefabricated laminated panel edge unit as claimed in claim 1, wherein: the prefabricated laminated plate type edge member is in a straight shape, an L shape, a T shape, a + shape, a Z shape or a U shape.

4. A method of producing a prefabricated laminated panel edge component as claimed in claims 1 to 3, characterised by:

the method comprises the following steps:

(1) firstly erecting a concrete sheet template on one side, coating a release agent in the template, and placing a pre-bound edge member reinforcement cage;

(2) placing a reinforcement cage into a supported template, placing a certain number of reinforcement protective layer cushion blocks, and embedding and fixing a water and electricity line box, a temporary support piece and other embedded pieces;

(3) pouring cast-in-place concrete to the upper surface of the template, vibrating the concrete, statically stopping the concrete and galling, maintaining the poured concrete to reach the hoisting strength, and turning the concrete sheet with the reinforcement cage for later use;

(4) erecting a concrete sheet template on the other side, arranging a superposed edge member thickness control device, coating a release agent, embedding and fixing a water and electricity line box, embedding a temporary support piece and other embedded pieces;

(5) pouring and vibrating concrete, pressing the reinforcing steel bar at the other side of the spare concrete thin plate with the reinforcing cage into a template after pouring the concrete, and ensuring the total thickness of the overlapped plate type edge member and the relative position relation of the two layers of concrete thin plates;

(6) and (4) roughening the inner surface of the concrete and steaming to finish the production of the prefabricated laminated plate type edge member.

The technical field is as follows:

the invention relates to a prefabricated laminated plate type edge member and a production method thereof.

Background art:

compared with the traditional cast-in-place structure, the prefabricated building has obvious technical advantages of saving labor, templates and machinery, improving the quality of survival, reducing emission and pollution, saving construction period and cost, but the economic benefit and the social benefit generated by different construction modes of the prefabricated building are different. Most longitudinal steel bars of edge components of the reinforced concrete shear wall structure at the present stage are connected through sleeves, all the longitudinal steel bars need to be connected, the sleeve cost, the manufacturing and installation labor cost of prefabricated components, the grouting material cost and the grouting labor cost are higher, the grouting process has higher requirement on the environment, the construction difficulty is high, the connection quality is not easy to guarantee, the grouting fullness degree detection difficulty is higher, and potential safety hazards are caused to the engineering quality.

The invention content is as follows:

the invention aims to solve the problems that the longitudinal steel bar connection cost of the edge member of the reinforced concrete shear wall structure at the present stage is high, the grouting process has higher requirement on the environment, the construction difficulty is high and the connection quality is not easy to guarantee, and provides a prefabricated laminated plate type edge member and a production method which reduce the manufacturing cost and guarantee the quality.

The above purpose is realized by the following technical scheme:

the utility model provides a prefabricated coincide board-like edge member, this prefabricated coincide board-like edge member forms for a line shape edge member or the concatenation of a plurality of line shape edge member, a line shape edge member be by two-layer precast concrete sheet and pre-buried two-layer the precast concrete sheet in the cyclic annular longitudinal reinforcement of closed and stirrup constitute, two-layer the precast concrete sheet between pre-buried drawknot muscle, upper and lower two-layer the cyclic annular longitudinal reinforcement of closed handing-over each other overlap and form the handing-over space, insert the pin joint in the handing-over space that forms and indulge the muscle and form the pin joint structure.

The prefabricated overlapped plate type edge component is characterized in that truss reinforcements are embedded between two layers of prefabricated concrete sheets, and the stirrups are closed rings.

The prefabricated overlapped plate type edge component is in a straight shape, an L shape, a T shape, a + shape, a Z shape or a U shape.

A method for producing the prefabricated laminated plate type edge member,

the method comprises the following steps:

(1) firstly erecting a concrete sheet template on one side, coating a release agent in the template, and placing a pre-bound edge member reinforcement cage;

(2) placing a reinforcement cage into a supported template, placing a certain number of reinforcement protective layer cushion blocks, and embedding and fixing a water and electricity line box, a temporary support piece and other embedded pieces;

(3) pouring cast-in-place concrete to the upper surface of the template, vibrating the concrete, statically stopping the concrete and galling, maintaining the poured concrete to reach the hoisting strength, and turning the concrete sheet with the reinforcement cage for later use;

(4) erecting a concrete sheet template on the other side, arranging a superposed edge member thickness control device, coating a release agent, embedding and fixing a water and electricity line box, embedding a temporary support piece and other embedded pieces;

(5) pouring and vibrating concrete, pressing the reinforcing steel bar at the other side of the spare concrete thin plate with the reinforcing cage into a template after pouring the concrete, and ensuring the total thickness of the overlapped plate type edge member and the relative position relation of the two layers of concrete thin plates;

(6) and (4) roughening the inner surface of the concrete and steaming to finish the production of the prefabricated laminated plate type edge member.

Has the advantages that:

1. the invention solves the defects of high manufacturing cost and high installation cost of the edge member of the reinforced concrete shear wall structure. Most longitudinal steel bars of edge components of the reinforced concrete shear wall structure at the present stage are connected through sleeves, all the longitudinal steel bars need to be connected, the sleeve cost, the prefabricated component manufacturing cost, the installation labor cost, the grouting material cost and the grouting labor cost are higher, the grouting process has higher requirements on the environment temperature and time, the connection quality is not easy to guarantee, the grouting fullness degree detection difficulty is higher, and potential safety hazards are caused to the engineering quality.

2. According to the laminated plate type edge member and the production method thereof, the prefabricated concrete thin plates are arranged on two sides of the laminated plate type edge member, the cavity cast-in-place concrete is arranged in the middle of the laminated plate type edge member, the structural integrity is good, and the concrete pouring compactness is high due to the large inner cavity.

3. According to the overlapped plate type edge member and the production method thereof, the prefabricated thin plates on two sides of the overlapped plate type edge member are used as templates without formwork erecting again, construction is convenient, the wood working amount and the working difficulty are reduced, and labor cost is saved.

4. The laminated plate type edge member and the production method thereof have the advantages that the prefabricated member is light in weight, the requirement on the hoisting weight of on-site hoisting machinery is low, and the purchase and lease costs are saved in the aspect of mechanical type selection.

5. The laminated plate type edge member and the production method thereof solve the defect that the assembled reinforced concrete structure, the L-shaped, T-shaped and other forms of hidden columns are usually cast in place, reduce the workload of on-site formwork support, reinforcement binding and concrete pouring, improve the construction speed, shorten the time of key lines, shorten the construction period and reduce the financial cost.

6. The laminated plate type edge member and the production method thereof reduce the cast-in-place quantity, are simple to install and construct, reduce the labor amount of workers on a construction site and solve the problem of wasted labor.

7. The invention relates to a superposed plate type edge member and a production method thereof, and the prefabricated superposed plate type edge member provides a way for greatly improving the assembly rate and improving the technical level of assembly type reinforced concrete assembly in China.

8. According to the laminated plate type edge member and the production method thereof, the edge member and the shear wall are manufactured separately, the size of the edge member is standardized, the member universality is strong, the commercialization of prefabricated members can be realized, the members are produced in advance and stored for production, the utilization rate of prefabricated member template production is improved, the occupation of the market is facilitated, and the market share is improved.

9. According to the laminated plate type edge member and the production method thereof, the edge member is standardized and convenient to store and transport, the phenomenon that the member is difficult to find due to the fact that a member factory is large in storage yard and the prefabricated members are unreasonably placed at the present stage is avoided, and the delay of field installation progress is avoided.

Description of the drawings:

FIG. 1 is a first schematic view of a linear prefabricated overlapping panel edge member of the present invention;

FIG. 2 is a schematic view of a second I-shaped prefabricated overlapping plate type edge member of the present invention;

FIG. 3 is a sectional view of a truss steel bar arranged in the linear prefabricated overlapped plate type edge member;

FIG. 4 is a sectional view of a tie bar inside the I-shaped prefabricated laminated plate type edge member of the present invention;

FIG. 5 is a schematic view of an end extension of a concrete sheet of the in-line prefabricated overlapping panel edge member of the present invention;

FIG. 6 is a schematic view of a steel reinforcement cage arranged inside a linear prefabricated overlapped plate type edge member;

FIG. 7 is a schematic view of a steel reinforcement cage with a truss arranged inside the linear prefabricated overlapped plate type edge member;

FIG. 8 is a schematic representation of the truss reinforcement of the present invention;

FIG. 9 is a first schematic view of a connecting joint of a longitudinal steel bar pin joint structure between an upper layer and a lower layer of a prefabricated overlapped plate type edge member;

FIG. 10 is a second schematic view of a connecting joint of the longitudinal steel bar pin joint structure between the upper and lower layers of the prefabricated overlapped plate type edge member of the present invention;

FIG. 11 is a schematic plan view of a prefabricated laminated panel L-shaped edge member of the present invention;

FIG. 12 is an exploded view of the prefabricated laminated panel L-shaped edge member of the present invention;

FIG. 13 is a schematic view of a prefabricated laminated panel L-shaped edge member assembly of the present invention;

FIG. 14 is a schematic plan view of a prefabricated laminated panel T-shaped edge member of the present invention;

FIG. 15 is an exploded view of the prefabricated laminated panel T-shaped edge member of the present invention;

FIG. 16 is a schematic view of a prefabricated laminated panel T-shaped edge member assembly of the present invention;

FIG. 17 is a schematic plan view of a prefabricated laminated panel + type edge member of the present invention;

FIG. 18 is an exploded view of a prefabricated laminated panel + type edge member of the present invention;

FIG. 19 is a schematic view of a prefabricated laminated panel + type edge member assembly of the present invention;

FIG. 20 is a schematic plan view of a prefabricated laminated panel Z-shaped edge member of the present invention;

FIG. 21 is an exploded view of the prefabricated laminated panel Z-shaped edge member of the present invention;

FIG. 22 is a schematic view of a prefabricated laminated panel Z-shaped edge member assembly of the present invention;

FIG. 23 is a schematic plan view of a prefabricated overlapping panel U-shaped edge member of the present invention;

FIG. 24 is an exploded view of the prefabricated overlapping panel U-shaped edge member of the present invention;

FIG. 25 is a schematic view of a prefabricated laminated panel U-shaped edge member assembly of the present invention;

in the figure: 1. a line-shaped edge member; 2. prefabricating a concrete thin plate; 3. longitudinal reinforcing steel bars; 4. hooping; 5. truss reinforcing steel bars; 6. stretching the ribs; 7. the longitudinal ribs are pinned.

The specific implementation mode is as follows: