CN209817123U - Anchoring structure of pre-tensioning method prefabricated superposed beam steel strand at beam column node - Google Patents
Anchoring structure of pre-tensioning method prefabricated superposed beam steel strand at beam column node Download PDFInfo
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- CN209817123U CN209817123U CN201920125952.4U CN201920125952U CN209817123U CN 209817123 U CN209817123 U CN 209817123U CN 201920125952 U CN201920125952 U CN 201920125952U CN 209817123 U CN209817123 U CN 209817123U
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Abstract
The utility model relates to an anchoring structure of a pre-tensioning method prefabricated superposed beam steel strand at a beam column node, which comprises a column and a superposed beam; wherein a circle of vertical steel bar extends out of the top of the column; the superposed beams are arranged on the columns and oppositely arranged in pairs; the end part of the superposed beam extends to form a steel strand anchoring section; two adjacent rows of steel strand anchoring sections of one superposed beam are twisted and hinged together by two steel wires; the first row of steel strand anchoring sections of the other superposed beam are left, and the other two adjacent rows of steel strand anchoring sections are twisted and hinged together in pairs through steel wires; the steel strand anchoring section is fixed together with a plurality of composite stirrups through steel wires. The utility model discloses steel strand wires when effectively avoidging the installation of prefabricated superposed beam collide each other to and the chaotic condition of steel strand wires overlap coincidence, thereby made things convenient for the installation of prefabricated superposed beam, and guaranteed effective contact and the parcel effect of steel strand wires anchor section and beam column node concrete.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an anchor structure, concretely relates to prefabricated coincide roof beam steel strand wires of pretensioning method are at the anchor structure of beam column node belongs to building engineering technical field.
[ background of the invention ]
The pre-tensioning method prefabricated composite beam generally adopts steel strands as prestressed tendons, and in order to give full play to the advantages of the pre-tensioning method prefabricated composite beam, the pre-tensioning method prefabricated composite beam is often used in large-span and heavy-load buildings, such as multi-storey warehouse buildings and multi-storey logistics buildings.
However, the problem of anchoring the steel strand used in the pre-tensioned precast composite beam at the beam-column joint has not been solved well because the anchoring length of the steel strand is proportional to the designed length thereof according to the seismic code requirements, and thus the required anchoring length of the high-strength steel strand will often exceed the size of the section of the column into which it extends.
In addition, the large span and heavy load characteristics of the building to which the pre-tensioning method prefabricated composite beam is applied also determine that the number of the steel strands used at the lower part of the composite beam is large, and 3 rows and nearly 20 steel strands are always available, so that the steel strands connected between the prefabricated composite beams on the same column in the same direction can have serious collision, and if the steel strands adopt a bending anchor mode, the collision is more serious. On one hand, the collision can cause the problem that the superposed beam assembled firstly is staggered or even turned over due to the collision of the steel strand of the superposed beam assembled later when the superposed beam is assembled. On the other hand, the steel strands are overlapped, so that the occlusion between concrete and the steel strands is seriously influenced, and the anchoring effect of the steel strands is influenced.
Therefore, in order to solve the above technical problems, it is necessary to provide an innovative anchoring structure of a pre-tensioned prefabricated laminated beam steel strand at a beam-column joint, so as to overcome the above-mentioned drawbacks in the prior art.
[ Utility model ] content
In order to solve the problem, the utility model aims to provide a can effectively avoid the crisscross anchor structure of pre-tensioned method prefabricated coincide roof beam steel strand wires at beam column node of steel strand wires collision each other.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the anchoring structure of the steel strand of the pre-tensioned superposed beam at the beam-column joint comprises a column and a superposed beam; wherein a circle of vertical steel bar extends out of the top of the column; the superposed beams are arranged on the columns and oppositely arranged in pairs; the end part of the superposed beam extends to form a steel strand anchoring section; two adjacent rows of steel strand anchoring sections of one superposed beam are twisted and hinged together by two steel wires; the first row of steel strand anchoring sections of the other superposed beam are left, and the other two adjacent rows of steel strand anchoring sections are twisted and hinged together in pairs through steel wires; the steel strand anchoring section is fixed together with a plurality of composite stirrups through steel wires.
The utility model discloses a prefabricated coincide roof beam steel strand wires of pretensioning method further does at the anchor structure of beam column node: and the vertical steel bar penetrates through the twisted and hinged steel strand anchoring sections.
The utility model discloses a prefabricated coincide roof beam steel strand wires of pretensioning method further does at the anchor structure of beam column node: the composite stirrup is provided with 3-4 paths.
The utility model discloses a prefabricated coincide roof beam steel strand wires of pretensioning still do at the anchor structure of beam column node: the length of the steel strand anchoring section is 50mm smaller than the length of the column in the same direction.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a pre-tensioning method prefabricated coincide roof beam steel strand wires have combined the steel strand wires at the anchor structure of beam column node and have had better elastic characteristic, use the steel wire to stretch into merging of position and comb steel strand wires anchor section, make the steel strand wires anchor section of two relative coincide roof beams stretch into the position each other and do not play the frame, steel strand wires collision each other when can effectively avoidng prefabricated coincide roof beam installation from this, and the chaotic condition of steel strand wires overlap coincidence, thereby the installation of prefabricated coincide roof beam has been made things convenient for, and the effective contact and the parcel effect of steel strand wires anchor section and beam column node concrete have been guaranteed, the anchor effect of steel strand wires has been improved.
2. The utility model discloses a pre-tensioning method prefabricated coincide roof beam steel strand wires is because carried out the merging of steel strand wires anchor position and comb at the anchor structure of beam column node for the length that steel strand wires anchor section can stretch into the beam column node is longer, can stretch relative coincide roof beam limit basically, so effectively solved the problem that pre-tensioning method prefabricated coincide roof beam steel strand wires anchor length is not enough.
3. The utility model discloses a prefabricated coincide beam steel strand wires of pretensioning method has add additional stirrup in the anchor structure of beam column node in the steel strand wires position, this stirrup has carried out effectual ligature with all steel strand wires anchor section, make into a ligature overlap joint relation between the relative coincide beam anchor reinforcing bar, the anchor effect of steel strand wires anchor section has been strengthened, simultaneously because additional compound stirrup effect, fine constraint effect has been played steel strand wires anchor section, its anchor utility has been strengthened, the anchor ability of steel strand wires has further been strengthened to two kinds of effects from this.
4. The utility model discloses a prefabricated coincide roof beam steel strand wires of pretensioning method is very simple and easy at the anchor position merging mode of the anchor structure of beam column node to steel strand wires anchor section, and general workman can both operate, and used material instrument also is the thing of conventional use in the engineering, consequently does benefit to and uses widely.
[ description of the drawings ]
Fig. 1 is the utility model discloses a top view of the prefabricated coincide roof beam steel strand wires of pretensioning at the anchor structure of beam column node.
Fig. 2 is a side view of one of the composite beams of fig. 1.
[ detailed description ] embodiments
Referring to the attached drawings 1 and 2 in the specification, the utility model relates to an anchoring structure of a pre-tensioning method prefabricated superposed beam steel strand at a beam-column joint, which comprises a column 1, a superposed beam 2 and the like.
Wherein, a circle of vertical steel bars 11 extend from the top of the column 1.
The superposed beams 2 are arranged on the columns 1 and are oppositely arranged in pairs. And the end part of the superposed beam 2 extends to form a steel strand anchoring section 3. Two adjacent rows of steel strand anchoring sections 3 of one superposed beam 2 are twisted and hinged together in pairs through steel wires 4. The first row of steel strand anchoring sections 3 of the other superposed beam 2 are remained, and the other two adjacent rows of steel strand anchoring sections 3 are twisted and hinged together in pairs through steel wires 4.
In the present embodiment, the length of the stranded wire anchoring section 3 is 50mm smaller than the length of the column 1 in the same direction.
The steel strand anchoring section 3 is fixed together with a plurality of composite stirrups 5 through steel wires 4. The composite stirrup 5 is provided with 3-4 channels. A vertical steel bar 11 passes through the twisted steel strand anchoring sections 3.
The utility model discloses an anchor method of prefabricated coincide roof beam steel strand wires of pretensioning method at beam column node includes following process steps:
1) and arranging the steel strand anchoring sections 3 of two opposite prefabricated superposed beams 2 extending into the same column 1 in the same direction in the extending direction. Specifically, the steel strand anchoring section 3 on one of the superposed beams 2 is formed by twisting and hinging a first row of steel strands and a second row of steel strands together through steel wires 4 from a first row of steel strands on one side, combining the first row of steel strands and the second row of steel strands to form a row, and repeating the steps until every two rows are combined into a row; and then, the steel strand anchoring section 3 on the other superposed beam 2 starts from the second row of steel strands on the same side, the second row of steel strands and the third row of steel strands are hinged together through vertical steel wires 4 to form a row, and the process is repeated until every two rows are combined into a row.
2) The method comprises the following steps of setting a plurality of composite stirrups 5 for a steel strand anchoring section 3 from the inner side of a vertical steel bar 11 of a column 1, and fixing the steel strand anchoring section 3 and the composite stirrups 5 together by using a steel wire 4.
In the embodiment, the specification of the steel wire 4 is not less than 18#, and the length of the steel wire is greater than the distance between the upmost steel strand and the downmost steel strand; and during binding, the steel wire 4 is surrounded by two rows of steel strands to be combined, the opening of the binding wire is twisted by a tool, and then the tool is used for twisting between every two rows of steel strands, so that the two rows of adjacent steel strands are close together.
In the step 2, the steel strand anchoring sections 3 are combined by the steel wires 4 from the position 50mm away from the inner side of the vertical steel bar 11 of the column 1.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (4)
1. The anchoring structure of the steel strand of the pre-tensioned prefabricated superposed beam at the beam-column joint is characterized in that: comprises a pillar and a superposed beam; wherein a circle of vertical steel bar extends out of the top of the column; the superposed beams are arranged on the columns and oppositely arranged in pairs; the end part of the superposed beam extends to form a steel strand anchoring section; two adjacent rows of steel strand anchoring sections of one superposed beam are twisted and hinged together by two steel wires; the first row of steel strand anchoring sections of the other superposed beam are left, and the other two adjacent rows of steel strand anchoring sections are twisted and hinged together in pairs through steel wires; the steel strand anchoring section is fixed together with a plurality of composite stirrups through steel wires.
2. The anchoring structure of the pre-tensioned precast composite beam steel strand at the beam-column joint as recited in claim 1, wherein: and one vertical steel bar penetrates through the twisted and hinged steel strand anchoring sections.
3. The anchoring structure of the pre-tensioned precast composite beam steel strand at the beam-column joint as recited in claim 1, wherein: the composite stirrup is provided with 3-4 paths.
4. The anchoring structure of the pre-tensioned precast composite beam steel strand at the beam-column joint as recited in claim 1, wherein: the length of the steel strand anchoring section is 50mm smaller than the length of the column in the same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920125952.4U CN209817123U (en) | 2019-01-25 | 2019-01-25 | Anchoring structure of pre-tensioning method prefabricated superposed beam steel strand at beam column node |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920125952.4U CN209817123U (en) | 2019-01-25 | 2019-01-25 | Anchoring structure of pre-tensioning method prefabricated superposed beam steel strand at beam column node |
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| CN209817123U true CN209817123U (en) | 2019-12-20 |
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| CN201920125952.4U Active CN209817123U (en) | 2019-01-25 | 2019-01-25 | Anchoring structure of pre-tensioning method prefabricated superposed beam steel strand at beam column node |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109680808A (en) * | 2019-01-25 | 2019-04-26 | 华汇工程设计集团股份有限公司 | Anchoring process and structure of the pre-tensioning system Prefabricated superposed beam steel strand wires in bean column node |
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2019
- 2019-01-25 CN CN201920125952.4U patent/CN209817123U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109680808A (en) * | 2019-01-25 | 2019-04-26 | 华汇工程设计集团股份有限公司 | Anchoring process and structure of the pre-tensioning system Prefabricated superposed beam steel strand wires in bean column node |
| CN109680808B (en) * | 2019-01-25 | 2023-09-12 | 华汇工程设计集团股份有限公司 | Method and structure for anchoring pre-tensioning prefabricated superposed beam steel strands at beam column joints |
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Address after: 312000 21st floor, 177 Jiefang Avenue, Yuecheng District, Shaoxing City, Zhejiang Province Patentee after: HUAHUI ENGINEERING DESIGN GROUP Co.,Ltd. Patentee after: HUAHUI CONSTRUCTION GROUP Co.,Ltd. Address before: 312000 Huahui Building, 339 Zhongxing North Road, Shaoxing City, Zhejiang Province Patentee before: HUAHUI ENGINEERING DESIGN GROUP Co.,Ltd. Patentee before: HUAHUI CONSTRUCTION GROUP Co.,Ltd. |