CN211774532U - Be provided with precast beam and beam column connection structure of subassembly that shears - Google Patents
Be provided with precast beam and beam column connection structure of subassembly that shears Download PDFInfo
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- CN211774532U CN211774532U CN201921704933.3U CN201921704933U CN211774532U CN 211774532 U CN211774532 U CN 211774532U CN 201921704933 U CN201921704933 U CN 201921704933U CN 211774532 U CN211774532 U CN 211774532U
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- precast beam
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- shaped body
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Abstract
The utility model discloses a be provided with precast beam of subassembly that shears, the top surface of precast beam one end is provided with the recess, and the recess communicates with each other with precast beam's side, and the inside subassembly that shears that is provided with of recess, and the subassembly that shears includes fixed axle and platelike body, and the first end of platelike body is provided with the clearing hole that the internal diameter is greater than the fixed axle, and the fixed axle passes clearing hole and both ends anchor in the concrete of recess both sides face. The anti-shearing assembly is arranged in the end groove of the precast beam, and during transportation, the anti-shearing assembly is arranged in the groove and cannot stretch out of the end face of the precast beam, so that the collision of the anti-shearing assembly on the precast member during loading and transportation is reduced. The utility model also discloses a beam column connection structure, including precast beam and precast beam, precast beam is connected with the side of precast beam, and precast beam is foretell precast beam who is provided with the subassembly that shears, and the position that precast beam and precast beam's end are connected is provided with the breach, and in the breach was arranged in to the second end of the platelike body, recess and breach intussuseption were filled with cast in situ concrete.
Description
Technical Field
The utility model belongs to the technical field of the assembly type structure, specifically speaking, the utility model relates to a be provided with precast beam and beam column connection structure of subassembly that shears.
Background
In an assembly type building, prefabricated components such as prefabricated beams, prefabricated columns and the like are produced in a factory and then transported to a construction site for assembly. The beam-column connecting structure bears the main stress and earthquake-resistant functions of a building, so that the requirement on the mechanical property of the beam-column connecting structure is high. In the prior art, a beam-column connecting structure has two modes of cast-in-place connection and pure dry connection, and the pure dry connection is mainly realized by arranging a steel corbel on a prefabricated column and then placing a prefabricated beam on the steel corbel. Set up like this, the bracket exposes influences indoor wall pleasing to the eye, and the tolerance nature and the adjustment nature of job site are relatively poor moreover, and the shear behavior of the end of prefabricated beam is not enough, when meetting external force destruction such as earthquake, and the beam-ends drops from the bracket easily. Therefore, it is highly desirable to develop a precast beam having enhanced shear resistance to ensure the connection strength and seismic resistance between the precast beam and the precast column.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a be provided with precast beam of subassembly that shears to solve the shear behavior of the end of precast beam who exists among the prior art relatively poor, the connection structure anti-seismic performance of beam column is not enough technical problem.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
the utility model provides a be provided with precast beam of subassembly that shears, the top surface of precast beam one end is provided with the recess, the recess with the side of precast beam communicates with each other, the inside subassembly that shears that is provided with of recess, the subassembly that shears includes fixed axle and platelike body, the first end of platelike body is provided with the internal diameter and is greater than the clearing hole of fixed axle, the fixed axle passes clearing hole and both ends anchor are in the concrete of recess both sides face.
In the above embodiment, preferably, the width of the plate-like body is smaller than the depth of the groove.
Preferably, the height of the plate-shaped body is smaller than the height of the groove.
Preferably, the plate-shaped body comprises two flat plates which are parallel to each other, a reinforcing rod is arranged between the second ends of the two flat plates, and the two ends of the reinforcing rod are connected with the two flat plates.
Preferably, the distance between the fixed shaft and the bottom surface of the groove is larger than the distance between the through hole and the edge of the first end of the plate-shaped body.
Preferably, the precast beam is a precast part of a full precast beam or a superposed beam.
The utility model also discloses a beam column connection structure, including precast beam and precast column, precast beam with the side of precast column is connected, precast beam is foretell precast beam who is provided with the subassembly that shears, precast column with the position that the end of precast beam is connected is provided with the breach, the second end of the platelike body is arranged in the breach, recess and breach intussuseption are filled with cast in situ concrete.
The technical scheme of the utility model the beneficial technological effect who gains is:
1. the end of the precast beam is provided with a groove, a shear resistant component is arranged in the groove, and the shear resistant component is pre-embedded in concrete of the groove during production; thus, the production is convenient, and the requirement on the production precision is not high; during transportation, the anti-shearing assembly is arranged in the groove and cannot extend out of the end face of the precast beam, so that the collision of the anti-shearing assembly on the precast member during loading and transportation is reduced;
2. in the connecting structure of the precast beam and the precast column, the plate-shaped body of the anti-shearing assembly rotates around the fixed shaft, so that the second end of the plate-shaped body can be arranged in the gap of the precast column, after concrete is poured, the two ends of the plate-shaped body are respectively anchored in the groove of the precast beam and the gap of the precast column, the plate-shaped body improves the anti-shearing capability between the precast beam and the precast column, and the reliability and the safety of the beam-column connecting node are ensured.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
Fig. 1 is a schematic perspective view of a precast beam in example 1;
FIG. 2 is a schematic perspective view of a shear resistant assembly in example 1;
FIG. 3 is a vertical sectional view of the prefabricated and prefabricated column joint structure of example 2;
reference numerals: 1-precast beam, 2-groove, 3-shear assembly, 4-fixed shaft, 5-flat plate, 6-reinforcing rod, 7-through hole, 8-precast column, 9-gap, 11-upper longitudinal bar, 12-lower longitudinal bar, 13-metal box, 15-precast part, 16-cast-in-place part, and 17-steel bar connecting sleeve.
Detailed Description
The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
Example 1
Referring to fig. 1, the precast beam 1 in this embodiment is a full precast beam 1, a groove 2 is formed at a central position of a top surface of one end of the precast beam 1, the groove 2 communicates with a side surface of the precast beam 1, and a shear assembly 3 is fixed inside the groove 2. Referring also to fig. 2, the shear assembly 3 includes a stationary shaft 4 and a plate-shaped body having a first end provided with a passing hole 7 having an inner diameter larger than that of the stationary shaft 4, the stationary shaft 4 passing through the passing hole 7 and having both ends anchored in the concrete at the middle and lower portions of both sides of the recess 2. Referring to fig. 1, in the present embodiment, the width of the plate-like body is smaller than the depth of the groove 2, the height of the plate-like body is smaller than the height of the groove 2, and the distance between the fixed shaft 4 and the bottom surface of the groove 2 is greater than the distance between the passing hole 7 and the edge of the first end of the plate-like body. So that the plate-like body is accommodated in the groove 2 without the edge protruding beyond the side end faces of the precast girders 1; and the plate-shaped body can rotate around the fixed shaft 4 in the groove 2 towards the outside of the precast beam 1, that is, can be vertically or horizontally placed around the fixed shaft 4.
Referring to fig. 2, the plate-like body in this embodiment includes two parallel flat plates 5, a reinforcing rod 6 is disposed between the second ends of the two flat plates 5, and the two flat plates 5 are connected to both ends of the reinforcing rod 6. By means of the arrangement, the stress area and the shearing resistance of the shearing assembly 3 are enhanced.
Example 2
Referring to fig. 3, the present embodiment discloses a beam-column connection structure, which includes a composite beam and a prefabricated column 8, wherein the composite beam includes a prefabricated part 15 on the bottom side and a cast-in-place part 16 on the top side, and the prefabricated part 15 is connected with the side surface of the prefabricated column 8. The construction of the precast portion 15 is the same as that of the precast girder 1 provided with the shear assembly 3 in embodiment 1, except that the height of the precast portion 15 in this embodiment is two thirds of that of the precast girder 1 in embodiment 1. The position that precast column 8 and precast beam's end are connected is provided with breach 9, and the end of prefabricated portion 15 is relative with precast column 8 side, and 2 bottom surfaces of recess of prefabricated portion 15 and the same horizontal plane of breach 9 bottom surfaces on precast column 8, rotates the platelike body around fixed axle 4 for the second end of platelike body is arranged in breach 9, then pours the concrete of cast-in-place portion 16 of superimposed beam, packs cast-in-place concrete simultaneously with recess 2 and breach 9, thereby links together superimposed beam and precast column 8.
In this embodiment, 8 both sides face of prefabricated post are connected with the composite beam of two looks isostructures, and the horizontal atress muscle in the prefabricated post 8 is connected with steel bar connection sleeve 17, and cast-in-place portion 16 goes up vertical muscle 11 and is connected with horizontal atress muscle through steel bar connection sleeve 17. And a metal box 13 is embedded in the bottom side of the end head of the prefabricated part 15, one end of the metal box 13 is connected with the lower longitudinal rib 12 inside the prefabricated part 15 in a refining mode, and the other end of the metal box 13 is connected with a horizontal stress rib in the prefabricated column 8 through a screw and a bolt.
By arranging the shear assembly 3 in the prefabricated part 15, the shear performance of the composite beam and the reliability of the beam-column joint are improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The precast beam is characterized in that a groove is formed in the top surface of one end of the precast beam, the groove is communicated with the side surface of the precast beam, a shearing resisting assembly is arranged inside the groove and comprises a fixing shaft and a plate-shaped body, a first end of the plate-shaped body is provided with a through hole of which the inner diameter is larger than that of the fixing shaft, and the fixing shaft penetrates through the through hole and anchors at two ends in concrete on the two side surfaces of the groove.
2. The precast beam provided with the shear assembly according to claim 1, wherein the plate-shaped body has a width smaller than a depth of the groove.
3. The precast beam provided with the shear assembly according to claim 2, wherein the plate-shaped body has a height smaller than that of the groove.
4. The precast beam provided with the shear assembly according to claim 3, wherein the plate-shaped body comprises two flat plates parallel to each other, a reinforcing rod is provided between second ends of the two flat plates, and both ends of the reinforcing rod connect the two flat plates.
5. The precast beam provided with a shear assembly according to claim 1, wherein the distance of the fixing axis from the groove bottom surface is greater than the distance of the pass through hole from the first end edge of the plate-shaped body.
6. The precast beam provided with the shear assembly according to any one of claims 1 to 5, wherein the precast beam is a precast portion of an all-precast beam or a laminated beam.
7. A beam column connecting structure comprises a precast beam and a precast column, wherein the precast beam is connected with the side surface of the precast column, the precast beam is provided with a shear resistant assembly according to any one of claims 1 to 6, a gap is arranged at the connecting position of the precast column and the end head of the precast beam, the second end of the plate-shaped body is arranged in the gap, and the groove and the gap are filled with cast-in-place concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921704933.3U CN211774532U (en) | 2019-10-12 | 2019-10-12 | Be provided with precast beam and beam column connection structure of subassembly that shears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921704933.3U CN211774532U (en) | 2019-10-12 | 2019-10-12 | Be provided with precast beam and beam column connection structure of subassembly that shears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211774532U true CN211774532U (en) | 2020-10-27 |
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ID=72933377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921704933.3U Active CN211774532U (en) | 2019-10-12 | 2019-10-12 | Be provided with precast beam and beam column connection structure of subassembly that shears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211774532U (en) |
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2019
- 2019-10-12 CN CN201921704933.3U patent/CN211774532U/en active Active
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: No. 410000, shaping street, Changsha, Kaifu City, Hunan Province Patentee after: Zhuyou Zhizao Technology Industry Group Co.,Ltd. Address before: 10 Zhongshi Road, shaping street, Kaifu District, Changsha City, Hunan Province Patentee before: Zhongmin zhuyou Technology Industry Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220106 Address after: 5 / F, office building 2, Zhongmin zhuyou Co., Ltd., No. 10, Zhongshi Road, shaping street, Kaifu District, Changsha City, Hunan Province, 410000 Patentee after: Zhuyou Zhizao Technology Investment Co.,Ltd. Address before: No. 410000, shaping street, Changsha, Kaifu City, Hunan Province Patentee before: Zhuyou Zhizao Technology Industry Group Co.,Ltd. |
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| TR01 | Transfer of patent right |