Novel assembly type reinforced concrete frame beam column connecting structure

Abstract

A novel assembly type reinforced concrete frame beam-column connecting structure comprises prefabricated columns, prefabricated beams, stirrups and U-shaped gaskets which are connected together through post-cast high-strength concrete to form the novel assembly type reinforced concrete frame beam-column connecting structure. The prefabricated column comprises a prefabricated reinforced concrete column, an extending short beam, an embedded double-steel corbel and an embedded beam longitudinal lap joint steel bar, and the extending short beam is arranged on the side face of the prefabricated reinforced concrete column; the embedded double-steel corbel comprises embedded iron, embedded iron anchor bars, embedded iron shear keys and short steel plates; the prefabricated beam comprises a reserved extending beam longitudinal lap joint steel bar, a pre-buried cantilever steel framework and a prefabricated reinforced concrete beam, and the pre-buried cantilever steel framework comprises a connecting piece and an L-shaped main steel framework. The cantilever length of the column pre-buried cantilever steel structure during installation is reduced, the bending moment of a frame structure column during installation of a frame structure beam column connecting middle beam is reduced, and the construction efficiency is improved. And the stability of the beam during installation is improved, so that the construction safety risk is reduced, and the safety of the beam during installation is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to frame structure beam column connecting structure field especially a new type assembly type reinforced concrete frame beam column connecting structure. BACKGROUND

[0002] China is vigorously promoting the construction of assembly type concrete buildings, and the assembly type reinforced concrete frame beam column connection is one of the key technologies for the construction of assembly type concrete buildings.

[0003] CN214364034U discloses a kind of assembly type reinforced concrete frame beam column connecting structure, cancel the vertical support required when beam installation in the frame structure beam column connection of "assembly type concrete building technical standard", greatly reduce the construction difficulty;It is found that its pre-buried cantilever steel frame especially when beam needs to be connected in two or more directions of column vertical and horizontal two or more directions beam pre-buried cantilever steel frame mutual influence increases the difficulty of implementation, simultaneously, pre-buried cantilever steel frame cantilever length is big, causes the bending moment of frame structure column when beam installation in frame structure beam column connection, further cause the installation positioning error of frame structure column when beam installation in frame structure beam column connection is big. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problems that the pre-buried cantilever steel frame in the prior art is mutually influenced when beam needs to be connected in two or more directions of column vertical and horizontal two or more directions beam pre-buried cantilever steel frame, simultaneously, pre-buried cantilever steel frame cantilever length is big, causes the bending moment of frame structure column when beam installation in frame structure beam column connection, further cause the installation positioning error of frame structure column when beam installation in frame structure beam column connection is big Defect, provide a new type assembly type reinforced concrete frame beam column connecting structure.

[0005] The utility model solves the technical problems that the pre-buried cantilever steel frame in the prior art is mutually influenced when beam needs to be connected in two or more directions of column vertical and horizontal two or more directions beam pre-buried cantilever steel frame, simultaneously, pre-buried cantilever steel frame cantilever length is big, causes the bending moment of frame structure column when beam installation in frame structure beam column connection, further cause the installation positioning error of frame structure column when beam installation in frame structure beam column connection is big Defect, provide a new type assembly type reinforced concrete frame beam column connecting structure.

[0006] The precast column includes precast reinforced concrete column, protruding short beam, pre-buried double steel corbel and pre-buried beam longitudinal lap reinforcement, the protruding short beam is arranged on the side of the precast reinforced concrete column, the pre-buried double steel corbel and pre-buried beam longitudinal lap reinforcement are fixed on the precast reinforced concrete column through the protruding short beam;The pre-buried double steel corbel includes embedded iron, embedded iron anchor, embedded iron shear key and short steel plate;

[0007] The precast beam and the short beam protruding on the precast column are on the same side of the precast reinforced concrete column, the precast beam comprises reserved protruding beam longitudinal lap steel bars, embedded cantilever steel skeletons and a precast reinforced concrete beam, the reserved protruding beam longitudinal lap steel bars and the embedded cantilever steel skeletons are fixed on the precast reinforced concrete beam, and the embedded cantilever steel skeletons comprise connecting pieces and L-shaped main steel skeletons.

[0008] The U-shaped gasket is located between the short steel plate and the L-shaped main steel skeleton, and the stirrups are located outside the embedded beam longitudinal lap steel bars and the reserved protruding beam longitudinal lap steel bars and wrap them together.

[0009] Further, the embedded double-steel hanger comprises embedded iron, embedded iron anchor bars, embedded iron shear keys and two short steel plates which are connected through welding, and the protruding short beam is used for fixing the formwork.

[0010] Further, the embedded cantilever steel skeleton comprises connecting pieces and two L-shaped main steel skeletons, the two L-shaped main steel skeletons are inverted back to back as required and are connected through the connecting pieces to form the embedded cantilever steel skeleton.

[0011] Further, the formwork comprises customized detachable aluminum formworks, formwork buckles and formwork supporting pads, the aluminum formworks are fixed on the two sides and the bottom surface of the precast column protruding short beam and the precast beam through the formwork buckles and the formwork supporting pads.

[0012] Further, the embedded double-steel hanger and the embedded beam longitudinal lap steel bars are protruded from one side and connected with the precast beam on the same side.

[0013] The utility model has the following beneficial technical effects:

[0014] 1. The embedded iron anchor bars of the embedded double-steel hanger replace the L-shaped main steel skeletons of the embedded cantilever steel skeleton in the existing assembly type reinforced concrete frame beam column connecting structure technology, the L-shaped main steel skeletons of the embedded cantilever steel skeleton cross the precast column, and the problem of mutual influence of the embedded cantilever steel skeletons of the beams in two or more directions is eliminated when the beams in two or more directions need to be connected, especially in the column longitudinal and transverse directions.

[0015] 2. The small cantilever length of the embedded double-steel hanger of the precast column replaces the large cantilever length of the embedded cantilever steel skeleton, the cantilever length of the embedded cantilever steel structure of the column during installation is reduced, the bending moment of the frame structure column during installation of the beam in the frame structure beam column connecting structure is reduced, the error caused by the bending moment of the frame structure column during installation of the beam is further reduced, and the installation precision of the frame structure column during installation of the beam in the frame structure beam column connecting structure is correspondingly improved.

[0016] 3. The protruding short beam on the precast column facilitates the installation and fixation of the formwork, reduces the construction difficulty, improves the installation efficiency and precision, and further improves the engineering quality.

[0017] 4. By improving the lower support of the beam embedded cantilever steel structure of the beam embedded cantilever steel structure on the column to the upper support of the beam embedded cantilever steel structure of the beam embedded cantilever steel structure on the column, the center of gravity of the prefabricated beam is below the support, and the prefabricated beam can automatically return under the action of gravity after encountering small accidental eccentricity, thereby improving the stability of the beam during installation and reducing the construction safety risk, and ensuring the safety of the beam during installation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a vertical sectional structure schematic diagram of an embodiment of a novel fabricated reinforced concrete frame beam-column connection structure of the application;

[0019] Figure 2 is Figure 1 A-A sectional view schematic diagram in the;

[0020] Figure 3 is Figure 1 B-B sectional view schematic diagram in the;

[0021] Figure 4 is Figure 1 C-C sectional view schematic diagram in the.

[0022] Figure 5 is Figure 1 Pre-buried double steel hanger 11 schematic diagram in the;

[0023] Figure 6 is Figure 1 Pre-buried cantilever steel skeleton 6 schematic diagram in the;

[0024] Figure 7 is Figure 3 Pre-buried double steel hanger 11 schematic diagram in the;

[0025] Figure 8 is Figure 3 Pre-buried cantilever steel skeleton 6 schematic diagram in the;

[0026] Figure 9 is Figure 4 Pre-buried double steel hanger 11 schematic diagram in the.

[0027] BRIEF DESCRIPTION OF DRAWINGS:

[0028] 1, frame beam-column connection structure; 2, prefabricated column; 3, prefabricated beam; 4, stirrup; 5, formwork; 6, pre-buried cantilever steel skeleton; 7, pre-buried beam longitudinal lap steel bar; 8, protruding short beam; 9, L-shaped main steel skeleton; 10, connecting piece; 11, pre-buried double steel hanger; 12, embedded iron anchor; 13, reserved protruding beam longitudinal lap steel bar; 14, embedded iron; 15, short steel plate; 16, embedded iron shear key; 17, U-shaped gasket; 18, formwork buckle; 19, formwork support pad; 20, aluminum formwork; 21, prefabricated reinforced concrete column; 22, prefabricated reinforced concrete beam. DETAILED DESCRIPTION

[0029] The utility model will be further explained in detail below in combination with the drawings and examples.

[0030] Referring to Figure 1 , Figure 4 , the embodiment includes prefabricated column 2, prefabricated beam 3, stirrup 4, U-shaped gasket 17, formwork 5, and the prefabricated column 2, prefabricated beam 3, stirrup 4 and U-shaped gasket 17 are solidified together by pouring high-strength concrete to form a new type of fabricated reinforced concrete frame beam-column connection structure 1, in addition, the U-shaped gasket 17 is a U-shaped gasket 17 with different thicknesses.

[0031] Specifically, the prefabricated column 2 is arranged vertically to the plane, the prefabricated beam 3 is arranged vertically to the prefabricated column 2, and the prefabricated column 2 and the prefabricated beam 3 are both one, and the stirrup 4, the U-shaped gasket 17 and the formwork 5 are all connected to the prefabricated column 2 and the prefabricated beam 3.

[0032] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 7 and Figure 9 , the prefabricated column 2 includes prefabricated reinforced concrete column 21, protruding short beam 8, pre-buried double steel corbel 11 and pre-buried beam longitudinal lap steel bars 7, the protruding short beam 8 is arranged on the right side of the prefabricated reinforced concrete column 21 and is used for fixing the formwork 5, and the pre-buried double steel corbel 11 and the pre-buried beam longitudinal lap steel bars 7 are fixed on the prefabricated reinforced concrete column 21 through the protruding short beam 8; the pre-buried double steel corbel 11 is composed of embedded iron 14, embedded iron shear key 16, multiple embedded iron anchor bars 12 and two short steel plates 15 by welding connection, wherein the two short steel plates 15 are respectively fixed vertically on both sides of one face of the embedded iron 14, the embedded iron shear key 16 and the embedded iron anchor bars 12 are fixed on the other face of the embedded iron 14, the embedded iron shear key 16 is located at the center of the other face of the embedded iron 14 and is arranged in parallel with the short steel plate 15, and the multiple embedded iron anchor bars 12 are located at the edge of the embedded iron 14.

[0033] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 6 , Figure 8 , the prefabricated beam 3 and the protruding short beam 8 are both located on the right side of the prefabricated reinforced concrete column 21, the prefabricated beam 3 includes reserved protruding beam longitudinal lap steel bars 13, pre-buried cantilever steel framework 6 and prefabricated reinforced concrete beam 22, and the reserved protruding beam longitudinal lap steel bars 13 and the pre-buried cantilever steel framework 6 are both fixed on the prefabricated reinforced concrete beam 22; the pre-buried cantilever steel framework 6 is composed of connecting pieces and two L-shaped main steel frameworks 9, the two L-shaped main steel frameworks 9 are inverted back to back as required and are welded and connected into the pre-buried cantilever steel framework 6 through the connecting pieces 10.

[0034] Referring toFigure 1 、 Figure 3 、 Figure 4 The unequal-thickness U-shaped gasket 17 is located between the two short steel plates 15 of the embedded double-steel corbel 11 and the two L-shaped main steel frameworks 9, and the position of the embedded two L-shaped main steel frameworks 9 is adjusted by the unequal-thickness U-shaped gasket 17, that is, the positioning of the prefabricated beam 3 is adjusted.

[0035] Referring to Figure 1 、 Figure 4 The embedded beam longitudinal lap steel bars 7 and the reserved protruding beam longitudinal lap steel bars 13 are arranged in parallel with each other, and the stirrups 4 are arranged outside the embedded beam longitudinal lap steel bars 7 and the reserved protruding beam longitudinal lap steel bars 13 and wrap the two together. The embedded double-steel corbel 11 and the embedded beam longitudinal lap steel bars 7 are protruded from one side and connected with the prefabricated beam 3 located on the same side.

[0036] Referring to Figure 1 、 Figure 4 The formwork 5 includes customized detachable aluminum formwork 20, formwork buckles 18 and formwork supporting pads 19 and the like; the aluminum formwork 20 is installed and fixed on the two sides and the bottom surface of the protruding short beam 8 and the prefabricated beam 3 through the formwork buckles 18 and the formwork supporting pads 19 and the like.

[0037] The implementation principle of the novel prefabricated reinforced concrete frame beam-column connecting structure in the embodiment of the utility model is as follows:

[0038] The embedded iron anchor 12 of the embedded double-steel corbel 11 replaces the L-shaped main steel framework of the existing prefabricated reinforced concrete frame beam-column connecting structure 1 technology, and the L-shaped main steel framework of the embedded cantilever steel framework crosses the prefabricated column 2, thereby eliminating the problem of mutual influence of the embedded cantilever steel framework of the beam in two or more longitudinal and transverse directions when the cantilever steel framework needs to be connected in two or more longitudinal and transverse directions of the column;

[0039] The small cantilever length of the embedded double-steel corbel 11 of the prefabricated column 2 replaces the large cantilever length of the embedded cantilever steel framework, thereby reducing the cantilever length of the column embedded cantilever steel structure during installation, reducing the bending moment of the frame structure column during the installation of the beam in the frame structure beam-column connection, further reducing the error caused by the bending moment of the frame structure column during the installation of the beam, and correspondingly improving the installation precision of the frame structure column during the installation of the beam in the frame structure beam-column connection;

[0040] The protruding short beam 8 on the prefabricated column 2 facilitates the installation and fixation of the formwork 5, reduces the construction difficulty, improves the installation efficiency and precision, and further improves the engineering quality.

[0041] By improving the lower support of the beam pre-buried cantilever steel structure into the upper support of the beam pre-buried cantilever steel structure by the double steel hangers 11 pre-buried on the column, the center of gravity of the precast beam 3 is below the support point, and the precast beam 3 can automatically reset under the action of gravity after encountering small accidental eccentricity, thereby improving the stability of the beam during installation and reducing the construction safety risk, and ensuring the safety of the beam during installation.

[0042] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Among them, the same parts are indicated by the same reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A new type of fabricated reinforced concrete frame beam-column connection structure, characterized in that, The new type of assembled reinforced concrete frame beam-column connecting structure (1) comprises a prefabricated column (2), a prefabricated beam (3), a stirrup (4), a U-shaped gasket (17) and a formwork (5), wherein the prefabricated column (2) and the prefabricated beam (3) are connected through the stirrup (4) and the U-shaped gasket (17) and are connected together through post-poured high-strength concrete to form the new type of assembled reinforced concrete frame beam-column connecting structure (1). The prefabricated column (2) comprises a prefabricated reinforced concrete column (21), an extended short beam (8), a pre-buried double steel corbel (11) and a pre-buried beam longitudinal lap steel bar (7), wherein the extended short beam (8) is arranged on the side of the prefabricated reinforced concrete column (21), and the pre-buried double steel corbel (11) and the pre-buried beam longitudinal lap steel bar (7) are fixed on the prefabricated reinforced concrete column (21) through the extended short beam (8); the pre-buried double steel corbel (11) comprises a buried iron (14), a buried iron anchor (12), a buried iron shear key (16) and a short steel plate (15). The prefabricated beam (3) and the extended short beam (8) of the prefabricated column (2) are located on the same side of the prefabricated reinforced concrete column (21), the prefabricated beam (3) comprises a reserved extended beam longitudinal lap steel bar (13), a pre-buried cantilever steel framework (6) and a prefabricated reinforced concrete beam (22), the reserved extended beam longitudinal lap steel bar (13) and the pre-buried cantilever steel framework (6) are both fixed on the prefabricated reinforced concrete beam (22), and the pre-buried cantilever steel framework (6) comprises a connecting piece (10) and an L-shaped main steel framework (9). The U-shaped gasket (17) is located between the short steel plate (15) and the L-shaped main steel framework (9), the stirrup (4) is located outside the pre-buried beam longitudinal lap steel bar (7) and the reserved extended beam longitudinal lap steel bar (13) and wraps them together.

2. The new type of assembled reinforced concrete frame beam-column connection structure according to claim 1, characterized in that, The pre-buried double steel corbel (11) is composed of the buried iron (14), the buried iron anchor (12), the buried iron shear key (16) and two short steel plates (15) and is connected through welding, and the extended short beam (8) is used for fixing the formwork (5).

3. The new type of assembled reinforced concrete frame beam-column connection structure according to claim 1, characterized in that, The pre-buried cantilever steel framework (6) is composed of the connecting piece (10) and two L-shaped main steel frameworks (9), the two L-shaped main steel frameworks (9) are required to be inverted back to back and are connected through the connecting piece (10) to form the pre-buried cantilever steel framework (6).

4. The new type of assembled reinforced concrete frame beam-column connection structure according to claim 1, characterized in that, The formwork (5) comprises a customized detachable aluminum formwork (20), a formwork buckle (18) and a formwork supporting pad (19), the aluminum formwork (20) is fixed on the two sides and the bottom surface of the extended short beam (8) of the prefabricated column (2) and the prefabricated beam (3) through the formwork buckle (18) and the formwork supporting pad (19).

5. The new type of assembled reinforced concrete frame beam-column connection structure according to claim 1, characterized in that, The pre-buried double steel corbel (11) and the pre-buried beam longitudinal lap steel bar (7) are protruded from a single side and connected with the prefabricated beam (3) located on the same side.

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