CN215977879U - T-shaped semi-dry type connecting node structure for prefabricated shear wall - Google Patents

T-shaped semi-dry type connecting node structure for prefabricated shear wall Download PDF

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CN215977879U
CN215977879U CN202121068270.8U CN202121068270U CN215977879U CN 215977879 U CN215977879 U CN 215977879U CN 202121068270 U CN202121068270 U CN 202121068270U CN 215977879 U CN215977879 U CN 215977879U
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shear wall
steel
prefabricated
precast
prefabricated shear
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时延焕
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Tianhua Architecture Design Co ltd
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Tianhua Architecture Design Co ltd
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Abstract

The utility model belongs to the building structure field relates to a half dry connected node structure of T type for precast shear wall, include three precast shear wall and be used for connecting the T shaped steel of three precast shear wall, this T shaped steel have a rectangle frame and locate the three U type draw-in groove of three face in this rectangle frame respectively, and the axial is provided with the reinforcing bar in the rectangle frame, and the tip of three precast shear wall is provided with precast steel structure, and every U type draw-in groove is connected with a precast shear wall tip that has precast steel structure respectively, link to each other with the reinforcing bar in the precast steel structure extends to the rectangle frame to it has the concrete to fill in the rectangle frame. The T-shaped steel connecting device with the U-shaped clamping grooves realizes node connection of the three prefabricated shear walls, adopts a semi-dry type connecting mode, has good stress performance and high construction speed, greatly reduces the construction period and saves the construction cost.

Description

T-shaped semi-dry type connecting node structure for prefabricated shear wall
Technical Field
The utility model belongs to the field of buildings, relates to a building connection node structure, and particularly relates to a T-shaped semi-dry connection node structure for a prefabricated shear wall.
Background
At present, the connecting nodes of vertical joints of precast concrete shear walls are mostly in the form of cast-in-place nodes, overhanging reinforcing steel bars are reserved on two sides of the precast shear walls during component production, the components are hoisted in place after being transported to the site, then the reinforcing steel bars of the cast-in-place nodes between two wallboards are bound, and then concrete is poured by a formwork. The node is large in on-site wet operation amount, tedious in construction, time-consuming and labor-consuming, and easily generates more construction waste on the site, so that the surrounding environment is greatly damaged, and the node is not in accordance with green construction advocated by the nation.
The utility model discloses a chinese utility model patent application for CN201395861U discloses a reinforced concrete full precast assembly structure roof beam T type connected node, including first structure roof beam and second structure roof beam, and two roof beams are separated by a distance, the second structure roof beam is provided with a recess at the node, cast in situ concrete is located the recess and the interval department of two roof beams, the horizontal reinforcing bar of the continuous one side of second structure roof beam with first structure roof beam is disconnected in the node, is provided with the extension, two extension overlap each other, lie in the node inwards buckle section and the extension section link to each other and mutually perpendicular, the extension is arranged in the cast in situ concrete with the buckle section, horizontal reinforcing bar in the first structure roof beam extends to the inside of cast in situ concrete, inwards buckles respectively in the cast in situ concrete and becomes the second buckle section, and two second buckle sections stagger each other in same horizontal plane.
Above-mentioned technical scheme can bear and transmit vertical and horizontal direction's external force, guarantees the safety of building, but first structural beam and second structural beam constitute node steel bar structure through the extension of buckling for in the assembly of three shear force wall, there is the not enough problem of atress performance.
Disclosure of Invention
The purpose of the present application is to solve the above problems, and to provide a T-shaped semi-dry type connection node structure for a prefabricated shear wall;
in order to achieve the purpose, the utility model adopts the following technical scheme:
the application creatively provides a half-dry connected node structure of T type for precast shear wall, include three precast shear wall and be used for connecting the T type shaped steel of three precast shear wall, this T type shaped steel have a rectangle frame and locate the three U type draw-in groove of three face in this rectangle frame respectively, and the axial is provided with the reinforcing bar in the rectangle frame, and the tip of three precast shear wall is provided with precast steel structure, and every U type draw-in groove is connected with a precast shear wall tip that has precast steel structure respectively, link to each other with the reinforcing bar in the precast steel structure extends to the rectangle frame to it has the concrete to fill in the rectangle frame.
In the T-shaped semi-dry type connecting node structure for the prefabricated shear wall, the prefabricated steel structures are lock sleeves, two ends of each lock sleeve are fixed at the end part of the same prefabricated shear wall, and the three prefabricated steel structures in the rectangular frame are wound around the periphery of the steel bars.
In the T-shaped semi-dry type connecting node structure for the prefabricated shear wall, the lock sleeve is a high-strength steel wire rope, a steel bar or a high-strength steel strand.
In the T-shaped semi-dry type connecting node structure for the prefabricated shear wall, a through hole for passing through a prefabricated steel structure is formed between the rectangular frame and the U-shaped clamping groove.
In the above T-shaped semi-dry type connection node structure for the prefabricated shear walls, a plurality of prefabricated steel structures are linearly arranged at intervals at the end part of each prefabricated shear wall along the length direction, each prefabricated steel structure is provided with a sleeve hole which is communicated along the length direction of the end part of the prefabricated shear wall, and the reinforcing steel bars are wound in the sleeve holes under the tension force.
In the above T-shaped semi-dry type connection node structure for a prefabricated shear wall, two extension portions perpendicular to the surface are respectively extended from three surfaces of the rectangular frame along two side edges connecting the surfaces, and the U-shaped clamping groove is formed between the two extension portions.
In the T-shaped semi-dry type connection node structure for the prefabricated shear wall, the two side surfaces of the end part of the prefabricated shear wall are respectively provided with the rabbet matched with the extension part, and the outer side of the extension part when the extension part is embedded in the rabbet is flush with the side surfaces of the prefabricated shear wall.
In the above T-shaped semi-dry type connection node structure for the prefabricated shear wall, the extending portions on two sides of the U-shaped clamping groove are fastened with the end portions of the prefabricated shear wall through fasteners.
In the T-shaped semi-dry type connecting node structure for the prefabricated shear wall, the steel bars are high-strength steel bars or steel bars.
In the T-shaped semi-dry type connecting node structure for the prefabricated shear wall, the concrete is micro-expansion self-compaction fine aggregate concrete.
Compared with the prior art, the utility model has the advantages that:
the T-shaped steel connecting device with the U-shaped clamping grooves realizes node connection of the three prefabricated shear walls, adopts a semi-dry type connecting mode, has good stress performance and high construction speed, greatly reduces the construction period and saves the construction cost.
The connecting node adopted by the utility model ensures the bearing capacity of the node area and the stability of the structure on the basis of improving the construction efficiency.
According to the utility model, the prefabricated steel structure is vertically connected with the steel bar, so that the stress performance of the node structure can be further improved. And the prefabricated steel structure preferably adopts lock sleeve and reinforcing bar registrate to be connected, has reduced the construction degree of difficulty.
Drawings
Fig. 1 is a schematic structural view of a T-shaped semi-dry type connection node provided in the present application.
Fig. 2 is a schematic cross-sectional structure provided in the present application.
Fig. 3 is a schematic structural diagram of a front view direction of a prefabricated shear wall provided by the application.
Fig. 4 is a structural schematic diagram of a reinforcement cage in a front view direction.
In the figure, a prefabricated shear wall 1, a tongue-and-groove 11, a through hole 12, T-shaped steel 2, a rectangular frame 3, an extension 31, a through hole 32, a mounting hole 33, a U-shaped clamping groove 4, a prefabricated steel structure 5, a trepanning 51, concrete 6, a fastener 7 and a steel bar 8.
Detailed Description
Further illustrated by the following specific examples;
as shown in fig. 1, a semi-dry connected node structure of T type for precast shear wall, including three precast shear wall 1 and the T type shaped steel 2 that is used for connecting three precast shear wall 1, this T type shaped steel 2 has a rectangular frame 3 and locates three U type draw-in groove 4 of three faces in this rectangular frame 3 respectively, the axial is provided with reinforcing bar 8 in the rectangular frame 3, the tip of three precast shear wall 1 is provided with precast steel structure 5, every U type draw-in groove 4 is connected with a precast shear wall 1 end connection that has precast steel structure 5 respectively, precast steel structure 5 extends to and links to each other with reinforcing bar 8 in the rectangular frame 3, and it has concrete 6 to fill in the rectangular frame 3. The T-shaped steel 2 connecting device with the U-shaped clamping grooves 4 is used for realizing the node connection of the three prefabricated shear walls, a semi-dry type connecting mode is adopted, the connecting device has good stress performance and high construction speed, the construction period is greatly shortened, and the construction cost is saved. And adopt prefabricated steel construction and reinforcing bar vertical connection, can further improve node structure's atress performance.
Preferably, the steel bar 8 is a high strength steel bar or rod. The concrete 6 is micro-expansion self-compaction fine stone concrete. The Self-Compacting micro-expansive fine stone Concrete (also called Self Compacting Concrete or Self-Compacting Concrete for short SCC) can flow and compact under the action of Self gravity, can completely fill a template even if compact steel bars exist, and simultaneously obtain good homogeneity, does not need additional vibrating Concrete, can improve the durability of a Concrete structure, and increases the degree of freedom of structural design. The micro-expansion self-compaction fine stone concrete can be purchased from Hubei star polymer building material industry Co.
As shown in fig. 1 and 2, a rectangular groove is formed in the rectangular frame 3, and a through hole 32 for passing through the prefabricated steel structure 5 is formed in a frame between the rectangular frame 3 and the U-shaped slot 4. The perforations 32 are bar-shaped structures having a length greater than the width of the prefabricated steel structure 5. The perforations 32 of the three borders of the rectangular frame 3 are not located at the same horizontal plane.
As shown in fig. 3, the prefabricated steel structure 5 is a lock sleeve with both ends fixed at the end of the same prefabricated shear wall 1.
As shown in fig. 1, 2 and 3, three prefabricated steel structures 5 in the same T-shaped steel 2 are placed in the rectangular frame 3 through the through holes 32, and the projection planes of partial areas in the axial direction in the trepanning 51 of the three prefabricated steel structures 5 are overlapped to form a crossing, and the reinforcing steel bars 8 pass through the crossing and are tightly connected by the tensioning force of the three prefabricated steel structures 5.
Further, as shown in fig. 1, 3 and 4, a plurality of prefabricated steel structures 5 are arranged at the end of each prefabricated shear wall 1 at linear intervals along the length direction, and the plurality of prefabricated steel structures 5 have trepanning 51 penetrating along the length direction of the end of the prefabricated shear wall 1. The reinforcing bar 8 is wound around the trepan 51 under tension.
Specifically, the lock sleeve is a high-strength steel wire rope, a steel bar or a high-strength steel strand.
As shown in fig. 1, two extending portions 31 perpendicular to three surfaces of the rectangular frame 3 extend along two side edges connecting the surfaces, respectively, and a U-shaped slot 4 is formed between the two extending portions 31.
As shown in fig. 1 and 3, the two side surfaces of the end of the prefabricated shear wall 1 are respectively provided with a rabbet 11 matched with the extension 31, and the outer side of the extension 31 is flush with the side surfaces of the prefabricated shear wall 1 when the extension 31 is embedded into the rabbet 11.
As shown in fig. 1, the extending portions 31 at both sides of the U-shaped slot 4 are locked with the end portions of the prefabricated shear wall 1 by the fasteners 7.
Specifically, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, a plurality of mounting holes 33 are correspondingly formed in two extending portions 31 of the U-shaped clamping groove 4, two opposite mounting holes 33 form a group, a through hole 12 corresponding to each group of mounting holes 33 is formed in the position of the end tongue-and-groove 11 of the prefabricated shear wall 1, the fastening member 7 preferably adopts a high-strength bolt, and the fastening member 7 fixes the prefabricated shear wall 1 in the U-shaped clamping groove 4 through the through mounting holes 33 and the through holes 12.
The construction method of the utility model comprises the following steps:
during on-site installation, firstly fixing the T-shaped steel 2 on a set position, hoisting and positioning the prefabricated shear wall 1, penetrating the prefabricated steel structure 5 into the rectangular frame 3 of the T-shaped steel 2 through the through hole 32, then fixing the prefabricated shear wall 1 and the U-shaped clamping groove 4 by using the fastener 7, penetrating the steel bars 8 into an intersection formed by trepanning 51 of the prefabricated steel structures 5 and abutting against the prefabricated steel structures 5, and finally filling concrete 6 in the rectangular frame 3 for bonding.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Although the terms of precast shear wall 1, tongue and groove 11, through-hole 12, T-section steel 2, rectangular frame 3, extension 31, through-hole 32, mounting hole 33, U-shaped groove 4, precast steel structure 5, trepan 51, concrete 6, fastener 7, rebar 8, etc. are used more herein. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.

Claims (10)

1. The utility model provides a half dry connected node structure of T type for precast shear wall, includes three precast shear wall (1), its characterized in that: still including being used for connecting T type shaped steel (2) of three precast shear wall (1), this T type shaped steel (2) have one rectangle frame (3) and locate three U type draw-in groove (4) of three faces in this rectangle frame (3) respectively, and the axial is provided with reinforcing bar (8) in rectangle frame (3), and the tip of three precast shear wall (1) is provided with precast steel structure (5), and every U type draw-in groove (4) link to each other with reinforcing bar (8) in extending to rectangle frame (3) respectively with one precast shear wall (1) end connection that has precast steel structure (5), precast steel structure (5) are continuous to it has concrete (6) to fill in rectangle frame (3).
2. A T-shaped semi-dry type connection node structure for a prefabricated shear wall, according to claim 1, wherein: the prefabricated steel structure (5) is a lock sleeve with two ends fixed at the end part of the same prefabricated shear wall (1), and the three prefabricated steel structures (5) in the rectangular frame (3) are wound around the periphery of the steel bar (8).
3. A T-shaped semi-dry type connection node structure for a prefabricated shear wall, according to claim 2, wherein: the lock sleeve is a high-strength steel wire rope, a steel bar or a high-strength steel strand.
4. A T-shaped semi-dry type connection node structure for a prefabricated shear wall, according to claim 2, wherein: and a through hole (32) for passing through the prefabricated steel structure (5) is arranged between the rectangular frame (3) and the U-shaped clamping groove (4).
5. A T-shaped semi-dry type connection node structure for a prefabricated shear wall, according to claim 4, wherein: the end part of each prefabricated shear wall (1) is provided with a plurality of prefabricated steel structures (5) at intervals along the length direction, each prefabricated steel structure (5) is provided with a sleeve hole (51) which is communicated along the length direction of the end part of the prefabricated shear wall (1), and the steel bars (8) are tensioned and wound in the sleeve holes (51).
6. A T-shaped semi-dry type connection node structure for a prefabricated shear wall, according to claim 1, wherein: three surfaces in the rectangular frame (3) are respectively extended with two extending parts (31) vertical to the surfaces along two side edges connected with the surfaces, and the U-shaped clamping groove (4) is formed between the two extending parts (31).
7. A T-shaped semi-dry type connection node structure for a prefabricated shear wall, according to claim 6, wherein: and the two side surfaces of the end part of the prefabricated shear wall (1) are respectively provided with a rabbet (11) matched with the extension part (31), and the outer side of the extension part (31) is flush with the side surface of the prefabricated shear wall (1) when the extension part (31) is embedded into the rabbet (11).
8. A T-shaped semi-dry type connection node structure for a prefabricated shear wall, according to claim 7, wherein: the extending parts (31) on two sides of the U-shaped clamping groove (4) are locked with the end parts of the prefabricated shear wall (1) through fasteners (7).
9. A T-shaped semi-dry type connection node structure for a prefabricated shear wall, according to claim 1, wherein: the steel bar (8) is a high-strength steel bar or a steel bar.
10. A T-shaped semi-dry type connection node structure for a prefabricated shear wall, according to claim 1, wherein: the concrete (6) is micro-expansion self-compaction fine stone concrete.
CN202121068270.8U 2021-05-18 2021-05-18 T-shaped semi-dry type connecting node structure for prefabricated shear wall Active CN215977879U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121068270.8U CN215977879U (en) 2021-05-18 2021-05-18 T-shaped semi-dry type connecting node structure for prefabricated shear wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121068270.8U CN215977879U (en) 2021-05-18 2021-05-18 T-shaped semi-dry type connecting node structure for prefabricated shear wall

Publications (1)

Publication Number Publication Date
CN215977879U true CN215977879U (en) 2022-03-08

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Country Status (1)

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