CN214941328U - Steel rib connecting node structure for prefabricated shear wall without rib discharging - Google Patents
Steel rib connecting node structure for prefabricated shear wall without rib discharging Download PDFInfo
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- CN214941328U CN214941328U CN202121068268.0U CN202121068268U CN214941328U CN 214941328 U CN214941328 U CN 214941328U CN 202121068268 U CN202121068268 U CN 202121068268U CN 214941328 U CN214941328 U CN 214941328U
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- shear wall
- prefabricated shear
- steel
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Abstract
The utility model belongs to the building structure field relates to a reinforcing bar connected node structure for not going out muscle prefabricated shear wall, including first prefabricated shear wall and the prefabricated shear wall of second, first prefabricated shear wall and the prefabricated shear wall of second include the wall body respectively and the linear reinforcing bar of arranging at the wall body tip in interval, this reinforcing bar has pre-buried portion in the wall body and stretches out the mouth style of calligraphy steelframe in the wall body outside, this mouth style of calligraphy steelframe four sides closes the first opening that forms both sides and link up, the crisscross setting of reinforcing bar of first prefabricated shear wall and the prefabricated shear wall of second makes the first opening axial of a style of calligraphy steelframe meet, the axial sets up the steel reinforcement cage and the filler concrete forms the concrete beam in the first opening that the axial meets. The utility model discloses a semi-dry type is connected, adopts the connected form of reinforcing bar, has replaced the template with the reinforcing bar, has saved material cost and has improved the efficiency of construction effectively, has saved a large amount of labours, has practiced thrift construction cost.
Description
Technical Field
The utility model belongs to the building field relates to a building connected node structure, especially relates to a reinforcing bar connected node structure that is used for not going out muscle precast shear wall.
Background
The prefabricated shear wall is a commonly used assembled concrete building component type, because the weight restriction of hoist and mount jack-up, often need be with the shear wall split into several less wall bodies of weight, set up cast-in-place connected node between the wall body, this kind of cast-in-place node has a lot of drawbacks: the side faces of the prefabricated shear wall need to be reserved with overhanging steel bars, and the side molds need to be provided with holes, so that the difficulty of component production is increased; concrete needs to be poured in situ, wet operation exists, a large amount of construction waste is generated, and the pollution is caused to the surrounding environment; the construction efficiency is low, the construction period is long due to the procedures of binding reinforcing steel bars, erecting templates, pouring concrete and the like on site, the demand of site workers is large, and a large amount of construction cost is increased. Therefore, there is a great adverse effect on both environmental pollution and construction efficiency.
Chinese utility model patent application with publication number CN211369062U discloses a vertical connection structure of prefabricated assembly type shear wall upstand hole-type, among this technical scheme, pre-buried first stirrup and the continuous ligature of vertical distribution reinforcing bar in the shear wall. And the first shear wall and the second shear wall hole mold making are made of steel templates which are sleeved on the inner sides of the reinforcement cages bound by the fourth stirrups, the fifth stirrups and the longitudinal reinforcements. The fourth stirrup, the fifth stirrup and the longitudinal bar which are sleeved outside the steel template form a new reinforcement cage which can bear larger horizontal lateral force and increase the seismic resistance of the wall body. The wall body hidden column area is used for increasing the assembly rate of the wall body through binding the fourth stirrup, the fifth stirrup, the longitudinal bar, the second stirrup and the first stirrup. And vertically distributed reinforcing steel bars of the prefabricated first shear wall are inserted into the holes of the second shear wall, and concrete is poured into the gaps.
Among the above-mentioned technical scheme, need carry out the reinforcement in the work progress, recycle template concreting, the process is loaded down with trivial details, and work efficiency is low, and is with high costs, and the degree of difficulty is big.
Disclosure of Invention
The steel rib connecting node structure is used for the prefabricated shear wall without ribs;
in order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a reinforcing bar connected node structure for failing out prefabricated shear wall of muscle, including first prefabricated shear wall and the prefabricated shear wall of second, first prefabricated shear wall and the prefabricated shear wall of second include the wall body respectively and the interval is linear arranges the reinforcing bar at the wall body tip, this reinforcing bar has pre-buried portion in the wall body and stretches out the square steel frame of the wall body outside, this square steel frame four sides enclose to close forms the first through opening that both sides link up, the crisscross setting of reinforcing bar of first prefabricated shear wall and the prefabricated shear wall of second makes the first through opening axial of square steel frame meet, the axial sets up the steel reinforcement cage and the filler concrete forms the concrete beam in the first through opening that the axial meets.
In the steel rib connecting joint structure for the prefabricated shear wall without the steel ribs, the embedded part of the steel ribs is of a square structure, and the square structure is surrounded on four sides to form a second through hole with two through sides.
In the steel rib connecting node structure for the prefabricated shear wall without the steel rib, a plurality of embedded steel bars are axially arranged in the second through hole and filled with concrete.
In the above steel rib connection node structure for the prefabricated shear wall without ribs, the reinforcement cage comprises four longitudinal ribs arranged in a rectangular array and stirrups hooped outside the four longitudinal ribs.
In the steel rib connecting joint structure for the prefabricated shear wall without ribs, four longitudinal ribs of the reinforcement cage are respectively arranged at the inner sides of four corners of the first through hole.
In the steel rib connecting joint structure for the prefabricated shear wall without rib discharging, the width of the square steel frame along the axial direction of the first through hole is equal to the distance between two adjacent square steel frames.
In the steel rib connecting node structure for the prefabricated shear wall without ribs, the height of the square steel frame is equal to the thickness of the wall body, two side faces of the square steel frame are flush with two side faces of the wall body, and the height of the embedded part is smaller than the thickness of the wall body.
In the steel rib connecting joint structure for the prefabricated shear wall without ribs, the cross section of the first through hole is a rectangle with the side length of 200 mm, and the distance between two adjacent square steel frames is 200 mm.
In the steel rib connecting node structure for the prefabricated shear wall without ribs, the axis of the second through hole is parallel to the axis of the first through hole, a plurality of shear wall reinforcing steel bars are arranged in the wall body and are arranged along the axial direction of the second through hole, and the diameter of each shear wall reinforcing steel bar is equal to that of each embedded reinforcing steel bar.
In the steel rib connecting joint structure for the prefabricated shear wall without ribs, the concrete beam is a micro-expansion self-compaction concrete beam.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a semi-dry type is connected, adopts the connected form of reinforcing bar, has replaced the template with the reinforcing bar, has saved material cost and has improved the efficiency of construction effectively, has saved a large amount of labours, has practiced thrift construction cost.
The utility model discloses a precast shear wall does not go out the mode that the muscle is connected, is favorable to improving component production efficiency, also can save the mould cost of component production simultaneously.
The utility model discloses a reinforcing bar adopts two port font structures, utilizes the difference in height of mouth style of calligraphy steelframe and pre-buried portion to flush with the wall body both sides and forms smooth butt joint structure, promotes wall body surface's aesthetic measure.
The first through holes are connected in series through the concrete beams and the reinforcement cages, so that the connection node has high mechanical property. And the micro-expansion self-compaction concrete is preferably adopted, so that the shrinkage of the concrete is compensated, and the concrete cracks are prevented and treated.
Drawings
Fig. 1 is a schematic diagram of a 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.
Fig. 5 is a schematic cross-sectional structure view of a reinforcement cage provided by the present application.
In the figure, a first prefabricated shear wall 1, a second prefabricated shear wall 2, a wall body 3, a steel rib 4, an embedded part 41, a square steel frame 42, a first through hole 43, a second through hole 44, a reinforcement cage 5, a longitudinal bar 51, a stirrup 52, a concrete beam 6 and an embedded reinforcement 7.
Detailed Description
Further illustrated by the following specific examples;
as shown in fig. 1, 2 and 3, a steel rib connection node structure for a prefabricated shear wall without ribs comprises a first prefabricated shear wall 1 and a second prefabricated shear wall 2, and is characterized in that: first prefabricated shear wall 1 and second prefabricated shear wall 2 include wall body 3 and the reinforcing bar 4 of interval linear arrangement at the 3 tip of wall body respectively, this reinforcing bar 4 has pre-buried portion 41 of pre-buried in wall body 3 and stretches out the square steel frame 42 in the wall body 3 outside, this square steel frame 42 encloses on four sides and closes the first through-hole 43 that forms both sides and link up, the reinforcing bar 4 crisscross setting of first prefabricated shear wall 1 and second prefabricated shear wall 2 makes the first through-hole 43 axial of square steel frame 42 meet, axial sets up steel reinforcement cage 5 and filler concrete formation concrete beam 6 in the first through-hole 43 that the axial meets. The utility model discloses a semi-dry type is connected, adopts the connected form of reinforcing bar 4, has replaced the template with reinforcing bar 4, has saved material cost and has improved the efficiency of construction effectively, has saved a large amount of labours, has practiced thrift construction cost.
Preferably, the embedded portion 41 of the steel rib 4 is a square structure, and the square structure is surrounded on four sides to form a second through hole 44 with two sides penetrating. The double-port character-shaped structure is convenient to process and construct. Four embedded steel bars 7 are axially arranged in the second through hole 44 and filled with concrete, and the embedded steel bars 7 and the concrete in the second through hole 44 are filled in advance before site construction.
More preferably, the axis of the second through hole 44 is parallel to the axis of the first through hole 43.
Specifically, four embedded bars 7 are arranged inside four corners of the second through hole 44, a plurality of shear wall bars (not shown in the figure) are arranged in the wall 3, the shear wall bars are arranged along the axial direction of the second through hole 44, and the diameter of each shear wall bar is equal to that of the embedded bar 7.
The concrete beam 6 is preferably 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. 2, the height h1 of the square steel frame 42 is equal to the thickness h2 of the wall 3, two side surfaces of the square steel frame 42 are flush with two side surfaces of the wall 3, and the height h3 of the embedded part 41 is smaller than the thickness h2 of the wall 3. The height difference between the square steel frame and the embedded part is flush with the two sides of the wall body to form a flat butt joint structure, and the attractiveness of the surface of the wall body is improved. In this embodiment, the first through-hole 43 has a rectangular cross section with a side of 200 mm.
As shown in FIG. 3, the width w1 of the square steel frame 42 along the axial direction of the first through hole 43 is equal to the distance w2 between two adjacent square steel frames 42. In this embodiment, the distance w2 between two adjacent square steel frames 42 is 200 mm. The upper square steel frames 42 of the first prefabricated shear wall 1 and the second prefabricated shear wall 2 are connected in a staggered mode to form a closed splicing structure.
As shown in fig. 4 and 5, the reinforcement cage 5 includes four longitudinal bars 51 arranged in a rectangular array and a stirrup 52 hooped outside the four longitudinal bars 51. The reinforcement cage 5 is bound in advance before field installation, and the field construction process is reduced.
Referring to fig. 1, 2, 4, and 5, four longitudinal bars 51 of the reinforcement cage 5 are respectively disposed inside four corners of the first through-hole 43.
The utility model discloses a construction method as follows:
firstly installing the first prefabricated shear wall 1 on site, then installing the second prefabricated shear wall 2 in place, enabling the square steel frames 42 of the steel ribs 4 of the first prefabricated shear wall 1 and the second prefabricated shear wall 2 to be in staggered lap joint to enable the first through holes 43 connected in series to form a closed rectangular cavity, then placing the reinforcement cage 5 in the cavity, and filling the cavity with micro-expansion self-compacting concrete to form the concrete beam 6.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms of the first precast shear wall 1, the second precast shear wall 2, the wall body 3, the steel rib 4, the embedded portion 41, the square steel frame 42, the first through hole 43, the second through hole 44, the reinforcement cage 5, the longitudinal bar 51, the stirrup 52, the concrete beam 6, the embedded reinforcement 7, and the like are used more. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.
Claims (10)
1. The utility model provides a reinforcing bar connected node structure for not going out muscle precast shear wall, includes first precast shear wall (1) and second precast shear wall (2), its characterized in that: first prefabricated shear wall (1) and second prefabricated shear wall (2) are respectively including wall body (3) and the reinforcing bar (4) of interval linear arrangement at wall body (3) tip, this reinforcing bar (4) have pre-buried portion (41) in wall body (3) and stretch out square type steelframe (42) outside wall body (3), this square type steelframe (42) enclose on four sides and form first through opening (43) that both sides link up, steel bar (4) of first prefabricated shear wall (1) and second prefabricated shear wall (2) crisscross setting make first through opening (43) axial of square type steelframe (42) meet, first through opening (43) axial that axial meets sets up steel reinforcement cage (5) and the filling concrete forms concrete beam (6).
2. The steel rib connection node structure for the prefabricated shear wall without ribs as claimed in claim 1, wherein: the embedded part (41) of the steel rib (4) is of a square structure, and the square structure is surrounded to form a second through hole (44) with two through sides.
3. The steel rib connecting joint structure for the prefabricated shear wall without ribs as claimed in claim 2, wherein: a plurality of embedded steel bars (7) are arranged in the second through hole (44) along the axial direction and filled with concrete.
4. The steel rib connection node structure for the prefabricated shear wall without ribs as claimed in claim 1, wherein: the reinforcement cage (5) comprises four longitudinal bars (51) which are arranged in a rectangular array and stirrups (52) hooped on the outer sides of the four longitudinal bars (51).
5. The steel rib connecting joint structure for the prefabricated shear wall without ribs as claimed in claim 4, wherein: four longitudinal bars (51) of the reinforcement cage (5) are respectively arranged at the inner sides of four corners of the first through hole (43).
6. The steel rib connection node structure for the prefabricated shear wall without ribs as claimed in claim 1, wherein: the width of the square steel frame (42) along the axial direction of the first through hole (43) is equal to the distance between two adjacent square steel frames (42).
7. The steel rib connection node structure for the prefabricated shear wall without ribs as claimed in claim 1, wherein: the height of the square steel frame (42) is equal to the thickness of the wall body (3), two side faces of the square steel frame (42) are flush with two side faces of the wall body (3), and the height of the embedded part (41) is smaller than the thickness of the wall body (3).
8. The steel rib connection node structure for the prefabricated shear wall without ribs as claimed in claim 1, wherein: the cross section of the first through hole (43) is a rectangle with the side length of 200 mm, and the distance between two adjacent square steel frames (42) is 200 mm.
9. The steel rib connecting joint structure for the prefabricated shear wall without ribs as claimed in claim 3, wherein: the axis of the second through hole (44) is parallel to the axis of the first through hole (43), a plurality of shear wall reinforcing steel bars (8) are arranged in the wall body (3), the shear wall reinforcing steel bars (8) are axially arranged along the second through hole (44), and the diameter of each shear wall reinforcing steel bar (8) is equal to that of each embedded reinforcing steel bar (7).
10. The steel rib connection node structure for the prefabricated shear wall without ribs as claimed in claim 1, wherein: the concrete beam (6) is a micro-expansion self-compaction concrete beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121068268.0U CN214941328U (en) | 2021-05-18 | 2021-05-18 | Steel rib connecting node structure for prefabricated shear wall without rib discharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121068268.0U CN214941328U (en) | 2021-05-18 | 2021-05-18 | Steel rib connecting node structure for prefabricated shear wall without rib discharging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214941328U true CN214941328U (en) | 2021-11-30 |
Family
ID=79061427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121068268.0U Expired - Fee Related CN214941328U (en) | 2021-05-18 | 2021-05-18 | Steel rib connecting node structure for prefabricated shear wall without rib discharging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214941328U (en) |
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2021
- 2021-05-18 CN CN202121068268.0U patent/CN214941328U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |