CN209556195U - Assembled beam-slab connection structure - Google Patents

Description

Assembled beam-slab connection structure

technical field

The utility model relates to the field of assembled buildings, in particular to an assembled beam-slab connection structure.

Background technique

Prefabricated buildings are mostly designed and produced with the design concept of "equivalent to cast-in-place", and then the prefabricated products are combined through the connection process. Prefabricated concrete components are an important part of prefabricated buildings and an important direction for the development of building structures in my country. Compared with the traditional cast-in-place structure, the construction method of factory production and assembly construction of prefabricated components can save energy, protect the environment, shorten the construction period, and save labor. At the same time, it can also effectively control the construction quality of the building and reduce engineering Accidents happen.

In the existing prefabricated beam-slab structure system, its components generally include prefabricated laminated main beams, prefabricated laminated secondary beams and prefabricated laminated slabs. After the prefabricated components are hoisted and positioned and the reinforcement arrangement and binding are completed, the post-casting of the prefabricated components is carried out. combined to form a composite beam-slab system. In this prefabricated composite system, since the longitudinal steel bar at the bottom of the secondary beam cannot extend into the main beam, the connection between the main beam and the secondary beam is relatively weak, and the structural integrity is relatively poor; the precision control requirements for the manufacture of prefabricated components and on-site construction and assembly are high. Rebar collisions are prone to occur, making on-site construction difficult and low in construction efficiency; in addition, the existing post-casting lamination requires a lot of on-site wet work.

Utility model content

(1) Technical problems to be solved

The purpose of the utility model is to provide an assembled beam-slab connection structure with good structural integrity, which can effectively improve the connection force transmission performance of the main beam and the secondary beam structure, improve construction efficiency and reduce on-site wet operations.

(2) Technical solutions

In order to solve the above technical problems, the utility model provides an assembled beam-slab connection structure, which includes prefabricated beams and U-shaped prefabricated slabs;

The prefabricated slab is pre-embedded with longitudinal ribs and U-shaped stirrups; the longitudinal ribs are arranged along the length direction of the prefabricated slab, and protrude from the end faces of the two ends of the prefabricated slab, and the two sides of the prefabricated slab in the width direction are Vertical ribs; the bottom edge of the U-shaped stirrups is vertically arranged and pre-embedded in the vertical ribs, and the two ends of the U-shaped stirrups protrude from the vertical ribs away from the prefabricated slab side of

Beam stirrups are pre-embedded in the prefabricated beam, and the beam stirrups are vertically arranged and protrude upward from the upper surface of the prefabricated beam; the upper surface of the prefabricated beam is provided with a plurality of grooves, adjacent to the The interval between the grooves is set corresponding to the interval between the two vertical ribs of the prefabricated slab.

Wherein, the horizontal part of the prefabricated panel is pre-embedded with transverse ribs, and the transverse ribs are perpendicular to the longitudinal ribs.

Wherein, the vertical ribs are pre-embedded with vertical ribs, and the vertical ribs are connected with the transverse ribs.

Wherein, the U-shaped stirrups are arranged alternately with the vertical bars.

Wherein, a plurality of the prefabricated panels are connected in sequence, and the U-shaped stirrups of the connected two prefabricated panels are arranged opposite to each other.

Wherein, the U-shaped openings of the plurality of prefabricated panels connected in sequence are all set downward.

Wherein, at least one of the U-shaped openings of the plurality of prefabricated panels connected in sequence is set upward.

Wherein, the U-shaped stirrups in the two connected vertical ribs are arranged in a staggered manner.

Wherein, it also includes a first binding steel bar arranged at the connecting position of two adjacent prefabricated panels, the first binding steel bar and the part of the U-shaped stirrup protruding from the side of the vertical rib Binding connections.

Wherein, it also includes a second binding steel bar, which is arranged on the upper surface of the precast beam along the length direction of the precast beam, and the second binding steel bar is bound and connected with the longitudinal reinforcement and the beam stirrup.

Wherein, the beam stirrup is U-shaped, and the two ends of the U-shaped beam stirrup protrude from the upper surface of the prefabricated beam; the prefabricated beam is also provided with a stirrup cap for connecting the beam stirrup Rib U-shaped opening.

Wherein, the upper surface of the horizontal part of the prefabricated slab is also provided with truss stirrups and plate stress reinforcement; Stirrups; the truss stirrups are bound and connected to the stressed steel bars on the plate surface.

(3) Beneficial effects

The utility model provides an assembled beam-slab connection structure and its construction method. The assembled beam-slab connection structure includes a prefabricated slab and a prefabricated beam. The stirrups are lapped without contact; the longitudinal ribs embedded in the vertical ribs of the prefabricated slabs can extend into the grooves of the prefabricated beams. The grooves set on the prefabricated beam provide a good anchorage space for the prefabricated beam and the prefabricated slab, so that the longitudinal reinforcement of the prefabricated slab can go deep into the main beam for reinforcement anchorage connection, which solves the problem that the secondary beam reinforcement of the existing prefabricated structure cannot go deep into the main beam beam problem. The U-shaped stirrups are prefabricated in the vertical ribs, and the protruding part of the U-shaped stirrups is used as a non-contact lap joint between the two vertical ribs of the adjacent prefabricated slabs. The connection between the prefabricated slabs is achieved through pouring, while the post-cast superimposed part and the two vertical ribs form a secondary beam structure, so that the prefabricated slab can meet the requirements of a larger span. The assembled beam-slab connection structure provided by the embodiment of the utility model has good structural integrity, improves the connection force transmission performance of the main beam and the secondary beam structure, reduces on-site wet work and construction procedures, and improves construction efficiency. A small amount of support and formwork has strong practicability.

Description of drawings

Fig. 1 is the schematic diagram of the prefabricated panel of the utility model embodiment;

Fig. 2 is a three-dimensional schematic diagram of the arrangement of prefabricated slab steel bars in the embodiment of the present invention;

Fig. 3 is a schematic plan view of the layout of prefabricated slab steel bars in the embodiment of the present invention;

Fig. 4 is the three-dimensional schematic diagram of the prefabricated beam of the utility model embodiment;

Figure 4a is a schematic cross-sectional view of a prefabricated beam according to an embodiment of the present invention;

Fig. 5 is a three-dimensional schematic diagram of the installation and positioning of the prefabricated panel in the embodiment of the present invention;

Fig. 5a is a three-dimensional schematic diagram of installation and positioning of prefabricated panels according to another embodiment of the present invention;

Fig. 5b is a three-dimensional schematic diagram of installation and positioning of prefabricated panels according to yet another embodiment of the present invention;

Fig. 6a is a top view of the installation and positioning of the prefabricated panel of the embodiment of the utility model;

Fig. 6b is a front view of the installation and positioning of the prefabricated panel according to the embodiment of the present invention;

Figure 7 is a schematic diagram of the connection of prefabricated panels according to the embodiment of the present invention;

Fig. 8 is a schematic diagram of post-casting and lamination of prefabricated slabs according to the embodiment of the present invention;

Fig. 8a is a schematic diagram of post-casting and lamination of prefabricated slabs in another embodiment of the present invention;

Fig. 9 is a schematic diagram of the three-dimensional connection of the prefabricated panels of the embodiment of the present invention;

Fig. 9a is a schematic diagram of the three-dimensional connection of prefabricated panels in another embodiment of the present invention;

Figure 10 is a schematic diagram of the assembly of prefabricated beams and prefabricated panels according to the embodiment of the present invention;

Figure 11 is a schematic diagram of the assembly of prefabricated beams and multiple prefabricated panels according to the embodiment of the present invention;

Figure 11a is a schematic diagram of the assembly of prefabricated beams and multiple prefabricated panels according to another embodiment of the present invention;

Fig. 12 is a schematic diagram of the beam-slab connection structure of the embodiment of the utility model;

Fig. 12a is a schematic diagram of the beam-slab connection structure of another embodiment of the utility model;

Fig. 13 is a schematic diagram of the bottom of the beam-slab connection structure of the embodiment of the present invention;

Figure 14 is a schematic diagram of the arrangement of truss stirrups in the embodiment of the present invention;

Fig. 15 is a schematic diagram of arrangement of reinforced steel bars on the panel surface of the embodiment of the present invention;

Fig. 16 is a schematic diagram of laminated laminates according to an embodiment of the present invention;

In the figure: 1. Prefabricated slab; 2. Vertical rib; 3. Horizontal slab; 4. Longitudinal reinforcement; 5. U-shaped stirrup; 6. Transverse reinforcement; 7. Prefabricated beam; 8. Groove; 9. Beam Stirrups; 10. Stirrup caps; 11. The first binding steel bar; 12. The first post-casting part; 13. Truss stirrups; 14. Slab surface stress reinforcement; 15. Laminated laminates; 16. Vertical bars .

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplified descriptions, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention depending on the specific circumstances.

In addition, in the description of the present utility model, unless otherwise specified, the meanings of "multiple", "multiple roots" and "multiple groups" are two or more.

As shown in Figures 1, 2, 3 and 4, the assembled beam-slab connection structure provided by the embodiment of the present invention includes a prefabricated beam 7 and a U-shaped prefabricated slab 1 . There are longitudinal ribs 4 and U-shaped stirrups 5 pre-embedded in the prefabricated slab 1; the longitudinal ribs 4 are arranged along the length direction of the prefabricated slab 1, and protrude from the end faces of both ends of the prefabricated slab 1; the two sides of the prefabricated slab 1 in the width direction are vertical ribs The plate 2 and the bottom edge of the U-shaped stirrup 5 are arranged vertically and are pre-embedded in the vertical rib 2 . Beam stirrups 9 are pre-embedded in the prefabricated beam 7, and the beam stirrups 9 are vertically arranged and protrude upward from the upper surface of the prefabricated beam 7; The interval between them is set corresponding to the interval between the two vertical ribs 2 of the prefabricated slab 1.

The existing prefabricated beam-slab connection structure is generally composed of prefabricated main beams, secondary beams and slabs. After the hoisting and positioning of prefabricated components and the arrangement and binding of steel bars are completed, the post-casting of prefabricated components is performed to form a laminated beam-slab system. However, since the longitudinal steel bars at the bottom of the secondary beam cannot extend into the main beam, the connection between the main beam and the secondary beam is relatively weak, and the structural integrity is relatively poor; the precision control requirements for the manufacture of prefabricated components and on-site construction and assembly are high, and conflicts and collisions between steel bars are prone to occur. On-site construction is difficult and construction efficiency is low. The prefabricated beam-slab connection structure provided by the embodiment of the present invention includes a prefabricated slab 1 and a prefabricated beam 7. The prefabricated secondary beam in the previous structure is structurally disassembled as the vertical rib 2 of the prefabricated slab 1, and the prefabricated The beam 7 is provided with a groove 8 matched with the vertical rib 2, and the longitudinal ribs 4 protruding from both ends of the prefabricated slab 1 can overlap with the beam stirrup 9 protruding upward from the upper surface of the prefabricated beam 7 without contact with the reinforcement; The longitudinal ribs 4 pre-embedded in the vertical ribs 2 of the prefabricated slab 1 can extend into the groove 8 of the prefabricated beam 7 . The groove 8 provided on the prefabricated beam 7 provides a good anchorage space for the steel bar connection between the prefabricated beam 7 and the prefabricated slab 1, so that the longitudinal rib 4 of the prefabricated slab 1 can go deep into the main beam for reinforcement anchorage connection, which solves the problem of the existing prefabricated structure. The secondary beam reinforcement cannot go deep into the main beam. Prefabricated U-shaped stirrups 5 in the vertical ribs 2, the U-shaped bottom edge of the U-shaped stirrups 5 is pre-embedded in the vertical ribs 2 in the vertical direction, and the U-shaped two sides of the U-shaped stirrups 5 The end protrudes from the side of the vertical rib 2 facing away from the prefabricated panel 1 . In this way, between two adjacent vertical ribs 2 opposite to each other prefabricated slabs 1, the overhanging part of the U-shaped stirrup 5 is used as a non-contact lapped stress connection reinforcement for cast-in-situ, so that the prefabricated slabs 1 At the same time, the post-cast laminated part and the two vertical ribs 2 form a secondary beam structure, so that the prefabricated slab 1 can meet the requirements of a larger span.

In the assembled beam-slab connection structure provided by the embodiment of the utility model, the outstretched steel bars at both ends of the prefabricated slab 1 can be inserted into the prefabricated beam 7 to effectively carry out the anchoring connection of the steel bars, which has good structural integrity and improves the structure of the main beam and the secondary beam. Excellent connection force transmission performance reduces on-site wet work and construction procedures, improves construction efficiency, only needs a small amount of support and formwork, and has strong practicability.

The prefabricated beam-slab connection structure provided by the embodiment of the utility model includes the prefabricated slab 1 and the prefabricated beam 7, which can be connected by non-contact steel bar lapping technology. The non-contact reinforcement lap joint technology refers to the use of high-performance concrete materials as the post-cast lamination belt between prefabricated components, and the post-cast lamination connection of the joints of prefabricated components, combined with the high-strength, high-toughness, and high-performance concrete materials. Features such as self-tightness and micro-expansion form an effective binding force on the connecting steel bars, enable continuous force transmission between prefabricated components, and improve the positioning fault tolerance rate of prefabricated components in the design, production, transportation and construction links, as well as assembly and construction efficiency. . High-performance concrete includes, but is not limited to, RPC (reactive powder concrete), HPC (high-performance concrete), UHPC (ultra-high-performance concrete), ECC (engineering fiber-reinforced cementitious composite), etc.

In the assembled beam-slab connection structure provided by the embodiment of the utility model, the U-shaped prefabricated panel 1 can be composed of vertical ribs 2 on both sides and a horizontal panel 3 on the upper side. Modular reinforcement can be customized according to structural reinforcement calculation, process optimization, hoisting requirements, etc. The horizontal ribs 6 perpendicular to the longitudinal ribs 4 can be pre-embedded in the horizontal slab 3 on the upper side of the prefabricated slab 1; The ribs 16 can be connected with the transverse ribs 6. For example, the transverse ribs 6 and the vertical ribs 16 can be integrated, and are formed by bending a steel bar at two ends respectively. The ribs 16 are U-shaped as a whole; the vertical ribs 16 embedded in the vertical ribs 2 and the U-shaped stirrups 5 can be arranged alternately. The structural strength of the prefabricated panel 1 is improved by pre-embedding the transverse ribs 6 and the vertical ribs 16 .

A plurality of prefabricated panels 1 can be connected sequentially, wherein the U-shaped stirrups 5 of the two connected prefabricated panels 1 are arranged oppositely, and the vertical ribs 2 of the connected two prefabricated panels 1 are connected by post-casting and lamination. Wherein, the U-shaped openings of a plurality of prefabricated panels 1 connected in sequence may be arranged downwards, and the horizontal plates 3 of the prefabricated panels 1 are connected to form a floor plane. In the actual beam-slab structure, there are structural forms in which the elevation of the top of the partial floor is lower than the elevation of the floor of the same floor. For example, to meet the drainage structure of the same floor for toilets, bathrooms, kitchens, and balconies, and other local lowering slab structures, some The U-shaped opening of the prefabricated slab 1 is arranged upward, as shown in Figs. 5a, 8a, 9a, 11a and 12a, to reduce the height of the floor slab. The U-shaped stirrups 5 in the two vertical ribs 2 connected by post-casting of adjacent prefabricated slabs 1 can be arranged staggered in the horizontal direction, so as to improve the overall performance of the connection of two precast slabs 1 after post-casting. In addition, as shown in Fig. 5b, the prefabricated panel 1 of the embodiment of the present invention is not limited to be U-shaped, and may also be L-shaped.

The two vertical ribs 2 connected by two adjacent prefabricated slabs 1 through post-casting correspond to a groove 8 of the prefabricated beam 7, as shown in Fig. 5, Fig. 6a, and Fig. 6b, which can be The first binding steel bar 11 parallel to the longitudinal rib 4 is arranged at the joint part of the two prefabricated slabs 1 after pouring, and the first binding steel bar 11 is bound and connected with the part of the U-shaped stirrup 5 protruding from the side of the vertical rib 2 , improve the connection strength of the two prefabricated slabs 1 post-casting.

It should be pointed out that, as shown in Figures 14, 15, and 16, the prefabricated slab 1 of the embodiment of the present invention can also be provided with truss stirrups 13 and slab surface stress reinforcement 14 on the upper surface of the horizontal slab 3. At this time, the thickness of the horizontal slab 3 Can be greater than or equal to 60mm. After the hoisting, positioning and post-casting of multiple prefabricated slabs 1 are completed, vertical truss stirrups 13 are bound on the horizontal parts of the connected multiple prefabricated slabs. The laminated laminates 15 of the horizontal parts of the connected multiple prefabricated panels 1 further improve the structural integrity. Ordinary concrete can be used for the post-casting of the laminated slabs 15 of the floor surface to reduce costs.

In the prefabricated beam-slab connection structure provided by the embodiment of the utility model, the prefabricated beam 7 can be designed comprehensively through comprehensive structural reinforcement calculation, process optimization, hoisting force requirements, etc., so that it can meet the requirements of various design indicators. A second binding steel bar can be arranged on the upper surface of the precast beam 7 along the length direction of the precast beam 7 for binding connection with the longitudinal rib 4 and the beam stirrup 9 to enhance the connection strength of the precast slab 1 and the precast beam 7 post-casting. Further, as shown in FIG. 4 a , the beam stirrups 9 of the prefabricated beam 7 may be U-shaped, and both ends of the U-shaped beam stirrups 9 protrude from the upper surface of the prefabricated beam 7 . At the same time, a stirrup cap 10 is provided to connect the U-shaped opening of the beam stirrup 9 to improve the structural strength after post-casting and lamination. The arrangement of the open stirrup structure and the stirrup cap 10 can also facilitate the interspersed binding construction of the second binding steel bar and the beam stirrup 9 .

As shown in Figures 7, 8, 9, 10, 11, 12, and 13, the utility model also provides a construction method for the above-mentioned assembled beam-slab connection structure, which may include the following steps:

S10. Arranging longitudinal bars 4 and U-shaped stirrups 5, pouring concrete outside the longitudinal bars 4 and U-shaped stirrups 5 to form a prefabricated slab 1; and arranging beam stirrups 9, pouring concrete outside the beam stirrups 9 to form a precast beam 7. According to structural reinforcement calculation, process optimization, hoisting requirements, etc., the prefabricated slab 1 and the prefabricated beam 7 can be comprehensively designed and factory-produced.

S20. On-site hoisting and positioning of the prefabricated beam 7 and the prefabricated slab 1, so that the end surface of the horizontal part of the prefabricated slab 1 corresponds to the upper surface of the prefabricated beam 7, and the end surface of the vertical rib 2 of the prefabricated slab 1 corresponds to the groove 8, forming the prefabricated slab 1 and the prefabricated slab 1. The second post-casting position where the prefabricated beams 7 are connected; the first post-casting position 12 where the prefabricated slabs 1 are connected is formed between two vertical ribs 2 opposite to each other adjacent precast slabs 1 .

When the prefabricated panel 1 is prefabricated in S10, it may also include: S30, pre-embedded transverse ribs 6 and vertical ribs 16.

When the first post-casting position 12 is formed in S20, it may also include: S40, performing on-site inspection of the first binding steel bar 11 and the U-shaped stirrup 5 extending ends embedded in the two vertical ribs 2 of the adjacent prefabricated slab 1. lashing.

When the second post-casting position is formed in S20, it may also include: S50, performing on-site binding of the second binding steel bar, the longitudinal bar 4 and the beam stirrup bar 9 .

The construction method of the assembled beam-slab connection structure provided by the utility model may also include:

S60, making pouring formwork for the first post-casting part 12 and the second post-casting part, and pasting anti-leakage grout strips on the inner bottom and sides of the post-casting part pouring formwork.

S70. The post-casting parts of the prefabricated slab 1 and the prefabricated beam 7 are poured with high-performance concrete, and vibrated with a vibrating rod to ensure that the concrete at the connection part is dense. Maintain and remove the post-cast formwork mold, remove the formwork mold after maintenance, and inspect and detect the post-cast superimposed parts of the prefabricated beam-slab connection structure to ensure the quality of the connection nodes of the prefabricated beam-slab connection structure.

It can be seen from the above embodiments that the utility model provides a prefabricated beam-slab connection structure, including a prefabricated slab 1 and a prefabricated beam 7, and the longitudinal ribs 4 protruding from the two ends of the prefabricated slab 1 can be connected with the upwardly protruding prefabricated beam. The beam stirrups 9 on the upper surface of the 7 are overlapped without contact with the steel bars; the longitudinal ribs 4 embedded in the vertical ribs 2 of the prefabricated slab 1 can extend into the groove 8 of the prefabricated beam 7 . The groove 8 provided on the prefabricated beam 7 provides a good anchorage space for the steel bar connection between the prefabricated beam 7 and the prefabricated slab 1, so that the longitudinal rib 4 of the prefabricated slab 1 can go deep into the main beam for reinforcement anchorage connection, which solves the problem of the existing prefabricated structure. The secondary beam reinforcement cannot go deep into the main beam. U-shaped stirrups 5 are pre-buried in the vertical ribs 2, and the protruding parts of the U-shaped stirrups 5 are used as non-contact lap joints between two adjacent prefabricated panels 1 and two vertical ribs 2 opposite each other. The reinforced connecting reinforcement is cast in-situ to realize the connection between the prefabricated slabs 1, and at the same time, the post-cast superimposed part and the two vertical ribs 2 form a secondary beam structure, so that the prefabricated slab 1 can meet the requirement of a larger span. In the assembled beam-slab connection structure provided by the embodiment of the utility model, the outstretched steel bars at both ends of the prefabricated slab 1 can be inserted into the prefabricated beam 7 to effectively carry out the anchoring connection of the steel bars, which has good structural integrity and improves the structure of the main beam and the secondary beam. Excellent connection force transmission performance reduces on-site wet work and construction procedures, improves construction efficiency, only needs a small amount of support and formwork, and has strong practicability. In order to improve the structural strength of the prefabricated slab 1 in the prefabricated beam-slab connection structure provided by the embodiment of the utility model, the horizontal ribs 6 and the vertical ribs 16 can be pre-embedded in the prefabricated slab 1, and the vertical ribs 16 and U-shaped stirrups 5 can be are set alternately. In order to improve the connection strength of the post-cast laminated part, the first binding steel bar 11 can be arranged at the joint part of the post-cast laminated phase of two adjacent prefabricated slabs 1, and the U-shaped stirrup 5 protrudes outside the vertical rib 2 Part of the binding connection on the side; along the length direction of the prefabricated beam 7, a second binding reinforcement is arranged on the upper surface of the prefabricated beam 7 for binding connection with the longitudinal reinforcement 4 and the beam stirrup 9. The U-shaped stirrups 5 of two vertical ribs 2 connected by post-casting of adjacent prefabricated panels 1 may be arranged in a staggered manner.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (12)

1. a kind of Fabricated Beam-Slab connection structure, which is characterized in that the prefabricated board including precast beam and U-shaped；

Longitudinal rib and U-shaped stirrup are embedded in the prefabricated board；The longitudinal rib is arranged along the prefabricated board length direction, and outer The end face of the prefabricated board ends is stretched out, prefabricated board width direction two sides are vertical floor；The bottom edge of the U-shaped stirrup is perpendicular Straight setting, is embedded in the vertical floor in advance, and the side that the vertical floor deviates from the prefabricated board is stretched out outside the U-shaped stirrup both ends Face；

Beam stirrup is embedded in the precast beam, the beam stirrup is vertically arranged, and stretches out the upper surface of the precast beam upwards； The precast beam upper surface is equipped with multiple grooves, and two of interval and the prefabricated board between the adjacent groove are described vertical Interval between floor is correspondingly arranged.

2. Fabricated Beam-Slab connection structure according to claim 1, which is characterized in that the horizontal component of the prefabricated board is also It is embedded with horizontal bar, the horizontal bar and the longitudinal rib are perpendicular.

3. Fabricated Beam-Slab connection structure according to claim 2, which is characterized in that the vertical floor is also embedded with perpendicular The vertical muscle being directly arranged, the vertical muscle are connected with the horizontal bar.

4. Fabricated Beam-Slab connection structure according to claim 3, which is characterized in that the U-shaped stirrup and described vertical Muscle is arranged alternately.

5. Fabricated Beam-Slab connection structure according to claim 1, which is characterized in that multiple prefabricated boards successively connect It connects, the U-shaped stirrup of two to be connected the prefabricated board is oppositely arranged.

6. Fabricated Beam-Slab connection structure according to claim 5, which is characterized in that sequentially connected multiple described prefabricated The U-shaped opening of plate is arranged downward.

7. Fabricated Beam-Slab connection structure according to claim 5, which is characterized in that sequentially connected multiple described prefabricated The U-shaped opening of plate at least one be arranged upward.

8. Fabricated Beam-Slab connection structure according to claim 5, which is characterized in that two to be connected the vertical rib The U-shaped stirrup in plate is staggered.

9. Fabricated Beam-Slab connection structure according to claim 1, which is characterized in that further include being set to adjacent two Described in being stretched out outside first assembling reinforcement at the position that is connected of the prefabricated board, first assembling reinforcement and the U-shaped stirrup The part of vertical floor side binds connection.

10. Fabricated Beam-Slab connection structure according to claim 1, which is characterized in that further include the second assembling reinforcement, edge The precast beam length direction is set to the precast beam upper surface, second assembling reinforcement and the longitudinal rib and the beam Stirrup binding connection.

11. Fabricated Beam-Slab connection structure according to claim 1, which is characterized in that the beam stirrup is U-shaped, the U The upper surface of the precast beam is stretched out outside the beam stirrup both ends of shape；The precast beam is additionally provided with stirrup cap, for connecting the beam The U-shaped opening of stirrup.

12. Fabricated Beam-Slab connection structure according to claim 1, which is characterized in that the horizontal component of the prefabricated board Upper surface is additionally provided with truss stirrup and plate face steel bar stress；The truss stirrup is arranged along the prefabricated board length direction, described Plate face steel bar stress is perpendicular to the truss stirrup；The truss stirrup and plate face steel bar stress binding connect.