Assembly type concrete structure beam column connecting joint

Abstract

The utility model discloses an assembly type concrete structure beam column connecting joint which comprises a cast-in-place area, a prefabricated concrete column and a prefabricated concrete beam. A plurality of high-strength bolts are mounted in the middle of the cast-in-place area; a web connecting piece is mounted in the middle of the cast-in-place area; a plurality of flange connecting pieces are mounted on the surface of the cast-in-place area; the cast-in-place area and the prefabricated concrete column are used in cooperation. A plurality of prefabricated concrete column inner longitudinal bars are mounted on the inner wall of the prefabricated concrete column; precast concrete column inner stirrups are mounted in the precast concrete column; h-shaped steel embedded in the concrete column is mounted in the middle of the prefabricated concrete column; concrete column overhanging H-shaped steel is mounted on the surface of the prefabricated concrete column; the concrete column outwards-extending H-shaped steel and the concrete column internally-embedded H-shaped steel are used in a matched mode; a plurality of embedded foundation bolts are mounted on the outer wall of the precast concrete column; an anti-shearing piece is mounted in the middle of the prefabricated concrete column; and the end part of the cast-in-place area is matched with the precast concrete beam for use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of assembly type node connection, specifically relates to an assembly type concrete structure beam column connecting node. BACKGROUND

[0002] The assembly type concrete structure beam column node connection type is mainly divided into dry connection and wet connection two kinds, in some high node deformation requirement assembly type structure, such as the beam column connecting part of assembly type steel structure, concrete composite structure, dry connection is often used.

[0003] But before using dry connection, when precasting beam column component in factory, according to the design requirement, the bolt hole is accurately reserved, and the position, size and depth of bolt hole need to be strictly controlled, generally high-precision mould is used to ensure its precision.

[0004] The assembly type concrete beam column node connection needs to align bolt hole and then carry out dry connection when using, and the dry connection process is relatively complex and has high technical requirement to operating personnel. CONTENT OF UTILITY MODEL

[0005] In view of above insufficient, the utility model researches and draws a kind of assembly type concrete structure beam column connecting node scheme.

[0006] To achieve the above object, the utility model provides the following technical scheme, including cast-in-place area, prefabricated concrete column, prefabricated concrete beam, the middle part of cast-in-place area is equipped with a plurality of high -strength bolt, the middle part of cast-in-place area is equipped with web connector, cast-in-place area surface is equipped with a plurality of flange connector, cast-in-place area and prefabricated concrete column are used in cooperation, prefabricated concrete column inner wall is equipped with a plurality of prefabricated concrete column inner longitudinal reinforcement, prefabricated concrete column inside is equipped with prefabricated concrete column inner stirrup, prefabricated concrete column middle part is equipped with concrete column inner pre -buried H -type steel, prefabricated concrete column surface is equipped with concrete column outer H -type steel, concrete column outer H -type steel and concrete column inner pre -buried H -type steel are used in cooperation, prefabricated concrete column outer wall is equipped with a plurality of pre -buried anchor bolt, prefabricated concrete column middle part is equipped with shear member, cast-in-place area end and prefabricated concrete beam are used in cooperation, prefabricated concrete beam inside is equipped with prefabricated concrete beam inner longitudinal reinforcement, prefabricated concrete beam inner longitudinal reinforcement and prefabricated concrete beam inner stirrup are used in cooperation, prefabricated concrete beam side wall is equipped with a plurality of stud, beam inner pre -buried H -type steel is installed to prefabricated concrete beam inner wall, after on -the -spot installation, to the node of the mode of post-curing concrete, the node connection adopts full bolt connection, has omitted the welding procedure, has simplified the construction process, has shortened the construction period, and the pre -tightening force provided by high -strength bolt can effectively transfer and scatter the load under the action of earthquake and other external force, greatly improves the strength and seismic performance of node connection, after on -the -spot installation, to the node of the mode of post-curing concrete, strengthens the thermal stability and fire limit of beam column node, and the corrosion of external environment to steel node is effectively insulated simultaneously.

[0007] As a preferred technical scheme of the utility model, the concrete outer H -type steel and column inner pre -buried H -type steel are welded as a whole in factory and are pre -buried into concrete column.

[0008] As a preferred technical scheme of the utility model, the H -type steel adopts high -strength bolt connection, and welding is not needed during on -the -spot installation.

[0009] As a preferred technical scheme of the utility model, the cast-in-place area node is poured with the same strength concrete as prefabricated beam after installation.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] (1) in the assembly field, beam column connection node adopts full bolt connection, has omitted the welding procedure, has simplified the construction process, has shortened the construction period, and the pre -tightening force provided by high -strength bolt can effectively transfer and scatter the load under the action of earthquake and other external force, greatly improves the strength and seismic performance of node connection, after on -the -spot installation, to the node of the mode of post-curing concrete, strengthens the thermal stability and fire limit of beam column node, and the corrosion of external environment to steel node is effectively insulated simultaneously.

[0012] (2) Factory prefabrication of beams and columns and on-site bolt installation eliminate the welding process, simplify the construction process, and the pre-embedded design effectively avoids the heat-affected zone problem caused by on-site welding, reducing the risk of steel performance degradation and stress concentration.

[0013] (3) The preload provided by high-strength bolts can effectively transfer and disperse the load under external forces such as earthquakes, which greatly improves the strength and seismic performance of the node connection.

[0014] (4) Pouring concrete of the same strength as the precast beam can make the cast-in-place area and the precast beam match in strength. When the structure is under load, the concrete at the joint can work together with the precast beam to resist external forces. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Fig. 1 This is a plan view of the present invention;

[0017] Fig. 2 This is a cross-sectional view of the installation of this utility model;

[0018] In the diagram: 1. Cast-in-place zone; 2. Precast concrete column; 3. Precast concrete beam; 4. High-strength bolt; 5. Web connector; 6. Flange connector; 7. Embedded H-beam in beam; 8. Longitudinal reinforcement in precast concrete beam; 9. Stirrups in precast concrete beam; 10. Stud; 11. Embedded H-beam in column; 12. Longitudinal reinforcement in precast concrete column; 13. Stirrups in precast concrete column; 14. Embedded anchor bolt; 15. Shear member; 16. Extended H-beam in concrete column. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example

[0021] Please see Figs. 1-2The utility model provides the following technical scheme: a novel beam column connecting joint, including cast -in -place area 1, prefabricated concrete column 2, prefabricated concrete beam 3, cast -in -place area 1 middle part is equipped with multiple high -strength bolt 4, cast -in -place area 1 middle part is equipped with web connector 5, cast -in -place area 1 surface is equipped with multiple flange connector 6, cast -in -place area 1 and prefabricated concrete column 2 are used in cooperation, prefabricated concrete column 2 inner wall is equipped with multiple prefabricated concrete column inner longitudinal reinforcement 12, prefabricated concrete column 2 inside is equipped with prefabricated concrete column inner stirrup 13, prefabricated concrete column 2 middle part is equipped with concrete column inner pre -buried H -type steel 11, prefabricated concrete column 2 surface is equipped with concrete column outer extension H -type steel 16, concrete column outer extension H -type steel 16 and concrete column inner pre -buried H -type steel 11 are used in cooperation, prefabricated concrete column 2 outer wall is equipped with multiple pre -buried anchor bolt 14, prefabricated concrete column 2 middle part is equipped with shear member 15, cast -in -place area 1 end and prefabricated concrete beam 3 are used in cooperation, prefabricated concrete beam 3 inside is equipped with prefabricated concrete beam inner longitudinal reinforcement 8, prefabricated concrete beam inner longitudinal reinforcement 8 and prefabricated concrete beam inner stirrup 9 are used in cooperation, prefabricated concrete beam 3 lateral wall is equipped with multiple stud 10, prefabricated concrete beam 3 inner wall is equipped with beam inner pre -buried H -type steel 7, after field installation is completed, the node is sealed and post -cured concrete, when working, prefabricated concrete column 2 provides structural strength support through prefabricated concrete column inner longitudinal reinforcement 12 and prefabricated concrete column inner stirrup 13, the middle concrete column inner pre -buried H -type steel 11 is connected with concrete column outer extension H -type steel 16, strengthens the carrying capacity of column body, the pre -buried anchor bolt 14 of outer wall facilitates installation and fixation, shear member 15 improves the shear performance of column, in prefabricated concrete beam 3, prefabricated concrete beam inner longitudinal reinforcement 8 and prefabricated concrete beam inner stirrup 9 jointly ensure the strength of beam, the stud 10 of lateral wall strengthens the connecting effect, the beam inner pre -buried H -type steel 7 of inner wall further improves the performance of beam, when installing in the field, prefabricated concrete column 2 and prefabricated concrete beam 3 are connected in cast -in -place area 1, the high -strength bolt 4 in the middle of cast -in -place area 1, web connector 5 and the flange connector 6 on the surface ensure the firmness of connection, after installation is completed, the node is sealed and post -cured with the concrete of same strength as prefabricated concrete beam 3, so that the whole node forms a stable whole, in the assembly field, prefabricated concrete column 2 and prefabricated concrete beam 3 connecting joint adopt full bolt connection, omit the welding procedure, simplify the construction process, shorten the construction period, the pre -tightening force provided by high -strength bolt 4 can effectively transfer and disperse the load under the action of earthquake and other external forces, greatly improve the strength and seismic performance of node connection, after field installation is completed, the node is sealed and post -cured concrete, strengthens the thermal stability and fire limit of node, simultaneously effectively insulates the corrosion of external environment to steel node.

[0022] Working principle: the prefabricated concrete column 2 provides structural strength support through the longitudinal reinforcement 12 in the prefabricated concrete column and the hoop reinforcement 13 in the prefabricated concrete column, the H-shaped steel 11 embedded in the middle of the concrete column is connected with the H-shaped steel 16 outside the concrete column, the load-carrying capacity of the column is enhanced, the embedded anchor bolt 14 of the outer wall facilitates installation and fixation, the shear member 15 improves the shear performance of the column, in the prefabricated concrete beam 3, the longitudinal reinforcement 8 in the prefabricated concrete beam and the hoop reinforcement 9 in the prefabricated concrete beam jointly ensure the strength of the beam, the stud 10 of the side wall enhances the connection effect, the H-shaped steel 7 embedded in the beam of the inner wall further improves the performance of the beam, during on-site installation, the prefabricated concrete column 2 and the prefabricated concrete beam 3 are connected in the cast-in-place area 1, the high-strength bolt 4 in the middle of the cast-in-place area 1, the web connecting piece 5 and the flange connecting piece 6 on the surface ensure the firmness of the connection, after installation is completed, the joint is post-poured with the same strength of concrete as the prefabricated concrete beam 3, so that the whole joint forms a stable whole.

[0023] Finally, it should be pointed out that: in the utility model, unless another explicit provision and limitation, the terms "installation", "setting", "connection", "fixing", "screw connection" and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless another explicit limitation, for those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A precast concrete beam-column connection node, comprising a cast-in-place zone (1), a precast concrete column (2), and a precast concrete beam (3); characterized in that: Multiple high-strength bolts (4) are installed in the middle of the cast-in-place area (1); web plate connectors (5) are installed in the middle of the cast-in-place area (1); multiple flange connectors (6) are installed on the surface of the cast-in-place area (1); the cast-in-place area (1) and the precast concrete column (2) are used in conjunction; multiple precast concrete column longitudinal reinforcement bars (12) are installed on the inner wall of the precast concrete column (2); precast concrete column stirrups (13) are installed inside the precast concrete column (2); precast concrete column embedded H-beams (11) are installed in the middle of the precast concrete column (2); extended H-beams (16) are installed on the surface of the precast concrete column (2); the extended H-beams (16) and the concrete column are connected to the precast concrete column. H-beams (11) are pre-embedded in the concrete column for use in conjunction with the precast concrete column (2); multiple pre-embedded anchor bolts (14) are installed on the outer wall of the precast concrete column (2); shear members (15) are installed in the middle of the precast concrete column (2); the end of the cast-in-place area (1) and the precast concrete beam (3) are used in conjunction with each other; longitudinal reinforcement (8) is installed inside the precast concrete beam (3); longitudinal reinforcement (8) and stirrups (9) are used in conjunction with each other; multiple studs (10) are installed on the side wall of the precast concrete beam (3); H-beams (7) are pre-embedded in the beam and installed on the inner wall of the precast concrete beam (3); after on-site installation, the joint is sealed with formwork and then concrete is poured.

2. The prefabricated concrete beam-column connection node according to claim 1, characterized in that: The H-beams (16) extending out of the concrete column and the H-beams (11) embedded inside the column are welded together in the factory and embedded in the precast concrete column (2).

3. The prefabricated concrete beam-column connection node according to claim 2, characterized in that: The H-beams (16) extending out of the concrete column and the H-beams (7) embedded in the beam are fastened together by bolts.

4. The prefabricated concrete beam-column connection node according to claim 1, characterized in that: After the nodes in the cast-in-place area (1) are installed, concrete of the same strength as the precast concrete beam (3) is poured.

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