CN209923936U - Joint structure of upright post, supporting beam and plate in foundation pit engineering - Google Patents
Joint structure of upright post, supporting beam and plate in foundation pit engineering Download PDFInfo
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- CN209923936U CN209923936U CN201920348411.8U CN201920348411U CN209923936U CN 209923936 U CN209923936 U CN 209923936U CN 201920348411 U CN201920348411 U CN 201920348411U CN 209923936 U CN209923936 U CN 209923936U
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Abstract
The utility model belongs to the technical field of foundation ditch engineering technique and specifically relates to a foundation ditch engineering center pillar and a supporting beam, board handing-over department node structure, its characterized in that: the upright post is arranged on one side of the main supporting beam, a joist is arranged on the upright post, and the joist is connected with the main supporting beam and bears the main supporting beam. The utility model has the advantages that: the structure is simple, and the connecting strength of the upright post and the joist is high; the connecting strength of the joist and the main supporting beam is high; the structure can bear larger shearing force; the arrangement of longitudinal steel bars of the main supporting beam in the original design cannot be interfered, and the working condition that obstacles exist below the main supporting beam is particularly suitable for.
Description
Technical Field
The utility model belongs to the technical field of foundation ditch engineering technique and specifically relates to a foundation ditch engineering center pillar and a supporting beam, board handing-over department node structure.
Background
In deep foundation pit engineering, a supporting structure generally adopts an inner supporting system (the support of the supporting system can be a concrete temporary support or a basement floor slab of a main structure), in the inner supporting system, a stand column is a necessary and critical item, and the purpose of the stand column is to provide vertical support for the support. Therefore, in the foundation pit engineering design, the method of arranging the stand columns and connecting joints of the stand columns and the supports is a key point for ensuring the reliability of the vertical bearing.
In the specific design, because the stand will avoid underground obstacles such as constructed engineering piles and the like, a single stand is not arranged conditionally, and under the condition, the conventional stand and support connecting node is not suitable for use, and the node at the joint of the stand and the support (beam slab) needs to be specially designed.
Disclosure of Invention
The utility model aims at providing a foundation ditch engineering center pillar and a supporting beam, board handing-over department node structure according to above-mentioned prior art, when there is the barrier in the main girder below, with the stand setting in one side of main girder to support main girder through the joist, realize the support to stand and support (beam slab) handing-over department node.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a stand and a supporting beam, board handing-over department node structure in foundation ditch engineering for support foundation ditch engineering, be in including stand and crisscross setting main beam and a supporting beam in the foundation ditch engineering, its characterized in that: the upright post is arranged on one side of the main supporting beam, a joist is arranged on the upright post, and the joist is connected with the main supporting beam and supports the main supporting beam.
The main supporting beam is perpendicular to the supporting beam.
The joist and the main supporting beam are connected into a whole through a contact steel bar, and the top of the upright post is provided with a shear connector.
Be equipped with the joist in the joist and indulge muscle and joist stirrup, the joist stirrup is enclosed a plurality ofly the joist is indulged the muscle and is formed framework of steel reinforcement, it indulges muscle and girder stirrup to be equipped with the girder in the main beam to prop up, the girder stirrup is enclosed a plurality ofly the muscle forms framework of steel reinforcement that the girder indulges, the contact bar includes stirrup and U-shaped reinforcing bar, the stirrup is enclosed a plurality ofly the joist is indulged the muscle and is reached the girder is indulged the muscle, the one end of U-shaped reinforcing bar stretches into in the joist, the other end stretches into in the main beam, shear connector with the joist is indulged the muscle and is connected fixedly.
The shear connectors are studs, channel steel or reinforcing steel bars.
The number of the upright posts is two.
The stand is formed by four angle steels and steel sheet concatenation.
And a hanging rib is arranged in the joist, and the hanging rib is arranged at the intersection point of the joist and the supporting beam.
The utility model has the advantages that: the structure is simple, and the connecting strength of the upright post and the joist is high; the connecting strength of the joist and the main supporting beam is high; the structure can bear larger shearing force; the arrangement of longitudinal steel bars of the main supporting beam in the original design cannot be interfered, and the method is particularly suitable for the working condition that an obstacle exists below the main supporting beam; because two upright columns are adopted, the vertical bearing capacity of the upright column at the node is higher than that of a conventional upright column, and the upright column is safer and more reliable; because the node is restrained by the two supports, the node can bear larger load, and the safety and the reliability of the node are improved.
Drawings
Fig. 1 is a schematic structural view of the utility model;
fig. 2 is a sectional view taken along line a-a of fig. 1.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:
as shown in fig. 1-2, the labels 1-14 are respectively shown as: the main supporting beam comprises an upright post 1, an upright post 2, a joist 3, a main supporting beam 4, a supporting beam 5, a joist longitudinal rib 6, a joist stirrup 7, a hanging rib 8, a U-shaped steel bar 9, a stirrup 10, an angle steel 11, a shear connector 12, a main beam longitudinal rib 13 and a main beam stirrup 14.
This embodiment concretely relates to stand and a supporting beam 5, board handing-over department node structure in foundation ditch engineering sets up the stand in one side of main joist 4, sets up joist 3 on the stand, links to each other joist 3 with main joist 4, a supporting beam 5 again, is applicable to the operating mode that there is the barrier in main joist 4 below.
Example (b): as shown in fig. 1, the structure includes columns, joists 3, main girders 4 and support beams 5.
Wherein, the main beam 4 that props transversely arranges, and a supporting beam 5 vertical layout, the main beam 4 that props has the nodical with a supporting beam 5, and the later stage erects the board on main beam 4 and a supporting beam 5 that props, and main beam 4 and a supporting beam 5 that prop are used for the backup pad to bear the upper portion load that the board transmitted.
When an obstacle, such as a construction pile, exists under the main supporting beam 4, the joist 3 is erected on the upright, as shown in fig. 2, as shown in fig. 1, the upright is arranged on one side of the supporting beam 4, the joist 3 extends to the lower part of the main supporting beam 4, the main supporting beam 4 is completely supported on the joist 3, the joist 3 is used for supporting a beam plate structure and upper load and transmitting the load downwards to the upright, and the upright is used for supporting the joist 3 and transmitting the load transmitted by the joist 3 downwards. As shown in fig. 1, the upright comprises an upright 1 and an upright 2, and the vertical bearing capacity of the upright at the node is higher than that of a conventional upright, so that the upright is safer and more reliable; because the node is restrained by the two supports, the node can bear larger load, the safety and the reliability of the node are improved, and the supporting performance and the overall stability of the structure are enhanced.
As shown in fig. 1, the upright column 1 and the upright column 2 are surrounded by four angle steels 11 and connecting steel plates, so that the dead weight of the upright column 1 and the upright column 2 is reduced, the hoisting is convenient, and the construction speed is increased.
As shown in fig. 1 and 2, the joist 3 is a cast-in-place concrete structure, a joist longitudinal rib 6 and a joist stirrup 7 are arranged in the joist 3, and the joist longitudinal rib 6 is used for improving the compression bearing capacity and the deformation capacity of the joist 3, preventing the damage caused by accidental eccentricity and reducing the contraction and creep of concrete under the action of continuous compressive stress. The joist stirrup 7 encloses the plurality of joist longitudinal ribs 6 to form a steel bar framework together with the joist longitudinal ribs 6, so that the joist longitudinal ribs 6 are prevented from being bent, the compression resistance of concrete is improved, and the ductility of the joist 3 is increased.
As shown in fig. 1, the top surfaces of the upright posts 1 and 2 are provided with a plurality of shear connectors 12, and the shear connectors 12 are fixedly connected with the joist longitudinal bars 6, so that the upright posts 1, the upright posts 2 and the joist 3 are connected into an integral structure; resisting the longitudinal shearing force on the superposed surface of the joist 3 and the upright post; resisting the lifting force which tends to separate the joist 3 from the uprights 1, 2.
As shown in fig. 1 and 2, the main supporting beam 4 is a cast-in-place concrete structure, a main beam longitudinal rib 13 and a main beam stirrup 14 are arranged in the main supporting beam 4, and the main beam longitudinal rib 13 is used for improving the compressive bearing capacity and the deformability of the high main supporting beam 4, preventing damage caused by accidental eccentricity and reducing concrete shrinkage and creep under the action of continuous compressive stress. The main beam stirrups 14 enclose the main beam longitudinal bars 13, and form a steel reinforcement framework together with the main beam longitudinal bars 13, so that the main beam longitudinal bars 13 are prevented from being bent, the compression resistance of concrete is improved, and the ductility of the main supporting beam 4 is increased. The support beam 5 has the same structure as the main support beam 4.
As shown in fig. 1 and 2, a U-shaped steel bar 9 is arranged between the joist 3 and the main supporting beam 4, one end of the U-shaped steel bar 9 extends into the joist 3, and the other end extends into the main supporting beam 4, so that the connection strength between the joist 3 and the main supporting beam 4 is improved. As shown in fig. 2, the stirrups 10 enclose the longitudinal joist ribs 6 and the longitudinal main beam ribs 13, and form a steel reinforcement framework together with the longitudinal joist ribs 6 and the longitudinal main beam ribs 13, so as to further improve the connection strength between the joist 3 and the main supporting beam 4.
As shown in fig. 1, the interface between the support beam 5 and the joist 3 is provided with a hanging rib 8 for bearing the shearing force of the support beam 5.
In the embodiment, in specific implementation:
the section sizes of the upright posts 1 and 2 are determined according to the types of angle steels and steel plates.
The width of the section of the joist 3 is at least 400mm wider than that of the column, and the height of the section is not lower than that of the main supporting beam 4.
The shear connectors 12 are selected from studs, channel steel or steel bars.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description thereof is not repeated herein.
Claims (8)
1. The utility model provides a stand and a supporting beam, board handing-over department node structure in foundation ditch engineering for support foundation ditch engineering, be in including stand and crisscross setting main beam and a supporting beam in the foundation ditch engineering, its characterized in that: the upright post is arranged on one side of the main supporting beam, a joist is arranged on the upright post, and the joist is connected with the main supporting beam and bears the main supporting beam.
2. The joint structure of the joint of the upright post, the supporting beam and the plate in the foundation pit engineering as claimed in claim 1, wherein: the main supporting beam is perpendicular to the supporting beam.
3. The joint structure of the joint of the upright post, the supporting beam and the plate in the foundation pit engineering as claimed in claim 1, wherein: the joist and the main supporting beam are connected into a whole through a contact steel bar, and the top of the upright post is provided with a shear connector.
4. The joint structure of the joint of the upright post, the supporting beam and the plate in the foundation pit engineering as claimed in claim 3, wherein: be equipped with the joist in the joist and indulge muscle and joist stirrup, the joist stirrup is enclosed a plurality ofly the joist is indulged the muscle and is formed framework of steel reinforcement, it indulges muscle and girder stirrup to be equipped with the girder in the main beam to prop up, the girder stirrup is enclosed a plurality ofly the muscle forms framework of steel reinforcement that the girder indulges, the contact bar includes stirrup and U-shaped reinforcing bar, the stirrup is enclosed a plurality ofly the joist is indulged the muscle and is reached the girder is indulged the muscle, the one end of U-shaped reinforcing bar stretches into in the joist, the other end stretches into in the main beam, shear connector with the joist is indulged the muscle and is connected fixedly.
5. The joint structure of the joint of the upright post, the supporting beam and the plate in the foundation pit engineering as claimed in claim 3, wherein: the shear connectors are studs, channel steel or reinforcing steel bars.
6. The joint structure of the joint of the upright post, the supporting beam and the plate in the foundation pit engineering as claimed in claim 1, wherein: the number of the upright posts is two.
7. The joint structure of the joint of the upright post, the supporting beam and the plate in the foundation pit engineering as claimed in claim 1 or 6, wherein: the stand is formed by four angle steels and steel sheet concatenation.
8. The joint structure of the joint of the upright post, the supporting beam and the plate in the foundation pit engineering as claimed in claim 1, wherein: and a hanging rib is arranged in the joist, and the hanging rib is arranged at the intersection point of the joist and the supporting beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348411.8U CN209923936U (en) | 2019-03-19 | 2019-03-19 | Joint structure of upright post, supporting beam and plate in foundation pit engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348411.8U CN209923936U (en) | 2019-03-19 | 2019-03-19 | Joint structure of upright post, supporting beam and plate in foundation pit engineering |
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| CN209923936U true CN209923936U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920348411.8U Active CN209923936U (en) | 2019-03-19 | 2019-03-19 | Joint structure of upright post, supporting beam and plate in foundation pit engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004937A (en) * | 2019-03-19 | 2019-07-12 | 上海申元岩土工程有限公司 | A kind of base pit engineering central post and supporting beam, plate junction node structure |
-
2019
- 2019-03-19 CN CN201920348411.8U patent/CN209923936U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004937A (en) * | 2019-03-19 | 2019-07-12 | 上海申元岩土工程有限公司 | A kind of base pit engineering central post and supporting beam, plate junction node structure |
| CN110004937B (en) * | 2019-03-19 | 2023-12-29 | 上海申元岩土工程有限公司 | Joint structure of joint of upright post and support beam and plate in foundation pit engineering |
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