CN211772868U - Pier temporary consolidation device in large-span continuous beam - Google Patents
Pier temporary consolidation device in large-span continuous beam Download PDFInfo
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- CN211772868U CN211772868U CN201922160916.4U CN201922160916U CN211772868U CN 211772868 U CN211772868 U CN 211772868U CN 201922160916 U CN201922160916 U CN 201922160916U CN 211772868 U CN211772868 U CN 211772868U
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Abstract
The utility model discloses a pier temporary consolidation device in large-span continuous beam, including pre-buried anchor structure on cushion cap and pier body, carry out the steel structure stand that the anchor is connected with anchor structure, with steel structure stand link together the transverse connection system, place the anchor steel reinforcement cage in steel structure stand, steel constructs the inside concrete that uses of stand and fills the reinforcement, the sulphur mortar has been pour to steel structure stand concrete top. The structure of the utility model combines the bearing platform, the pier body and the continuous beam body to support the weight of the cantilever type prestressed cast-in-situ beam, and prevent the beam body from overturning in the construction; the utility model has the advantages of simple structure, novelty, atress are clear and definite, can reduce construction safety risk by a wide margin, have better economic benefits and social.
Description
Technical Field
The utility model belongs to bridge building field especially involves a long-span continuous beam middle pier concreties concrete steel structure device temporarily.
Background
With the rapid development of economy and society in China, the construction of infrastructure is changing day by day, the bridge construction technology is continuously improved, and the number of long-span continuous beams is gradually increased. The large-span continuous beam spanning roads and railways is constructed and is influenced by hydrogeological conditions and the like, and the construction difficulty is very high. The large-span continuous beam spanning the highway and the railway is erected by utilizing the prior art, so that the investment is large and the risk is high.
The conventional temporary consolidation method is intra-pier temporary consolidation. This method has the following drawbacks:
1. the steel structure is relatively complex, and a large amount of manpower and material resources are consumed;
2. the pier top support seat has position conflict, and the next construction cannot be reasonably arranged;
3. the temporary consolidation interval in the pier is small, and the overturn prevention effect is poor;
4. construction is difficult during relief, and economic benefits are poor;
5. a large amount of overhead operation exists, and the safety is poor.
Disclosure of Invention
The utility model provides a temporary consolidation device for a middle pier of a large-span continuous beam; the method solves the defects existing in the traditional temporary consolidation construction, and ensures that the construction of the large-span continuous beam is safely and quickly carried out.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a pier temporary consolidation device in large-span continuous beam, includes pre-buried anchor structure on cushion cap and pier shaft, carries out the steel structure stand that the anchor is connected with anchor structure, with the transverse connection system that the steel structure stand links together, place the anchor steel reinforcement cage in the steel structure stand.
Furthermore, the anchoring structure of the bearing platform is an anchoring flange, and the anchoring flanges are arranged on different positions of the horizontal plane of the bearing platform.
Further, the anchoring structure of the pier body is anchoring double-spliced I-shaped steel, and the anchoring double-spliced I-shaped steel is arranged at different height positions of the pier body.
Further, transverse connection system includes the crossbeam, the crossbeam is equipped with a plurality ofly, per two the crossbeam is 5m at the distance of vertical direction, and arranges on the not co-altitude position of stand, the crossbeam is connected the steel structure stand of homonymy as same whole.
Furthermore, the cross beam is welded into a cylindrical structure by steel plates with the thickness of more than 8 mm.
Furthermore, the steel structure stand column adopts a circular section column with the diameter of more than 1200 mm.
Further, the steel structure upright post is internally reinforced by pouring concrete.
Furthermore, sulfur mortar is poured above the concrete body of the steel-structure upright post.
Furthermore, the temporary consolidation device and the beam body are anchored by the anchoring steel reinforcement cage.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the steel structure of the utility model is very simple and clear, and the construction is convenient;
2. the structure of the utility model can be bolted from the upper part after being prefabricated from the lower part, thus having less overhead operation and high safety factor;
3. the temporary consolidation distance in the structure of the utility model is long, which can well reduce the occurrence of the overturning phenomenon of the beam body;
4. the structure construction time adopt on-the-spot tower crane to be under construction, do not need additionally to dispose large-scale tower crane, better economic benefits and social have.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
wherein:
1. a bearing platform; 2. A pier body;
3. steel structure upright posts; a-an anchoring flange;
b, anchoring double-spliced I-shaped steel; c-beam;
d-anchoring the reinforcement cage; e-sulfur mortar.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In order to make the objects and features of the present invention more comprehensible, embodiments of the present invention are further described below with reference to the accompanying drawings. It is noted that the drawings are in greatly simplified form and employ non-precise ratios for the purpose of facilitating and distinctly aiding in the description of the embodiments of the invention.
As shown in fig. 1, the temporary pier consolidation device for a long-span continuous beam of the present invention comprises an anchoring structure pre-embedded in a bearing platform and a pier body, a steel structure column, a column transverse connection system, an anchoring reinforcement cage, a consolidation concrete and a column top sulfur mortar; the cross section of the temporary consolidation structure is rectangular, the bearing platform anchoring structures are four anchoring flanges and are arranged on different positions of the horizontal plane of the bearing platform; pier shaft anchor structure is two I-steel that piece together for the anchor, is equipped with a plurality ofly, and arranges on the not co-altitude position of pier shaft and steel structure stand.
The transverse connecting system of the steel-structure upright column comprises a plurality of cross beams, the distance between every two cross beams in the vertical direction is 5m, every two cross beams are arranged at different height positions of the steel-structure upright column, and the cross beams are welded into a cylindrical structure by steel plates with the thickness of more than 8 mm;
the steel structure upright column adopts a circular section column with the diameter of more than 1200 mm; and an anchoring reinforcement cage is arranged in the upright column to anchor the temporary consolidation device and the beam body. The steel constructs the inside concrete of using of stand and pours into the reinforcement, the stand concrete top uses the sulphur mortar to pour into.
The utility model discloses use in the pier temporary consolidation construction in the continuous roof beam of large-span, the installation work progress as follows:
firstly, pre-burying an anchoring flange A of a bearing platform before temporary consolidation construction of a pier in a large-span continuous beam, and pre-burying an anchoring double-spliced I-shaped steel B of a pier body in pier body construction;
secondly, when the pier body construction is finished and the temporary consolidation construction is carried out, a main bearing component, namely the steel structure upright post 3 is respectively connected with an anchoring flange A and an anchoring double-spliced I-shaped steel B in an anchoring mode, a cross beam C is installed after the connection is finished, and the steel structure upright posts 3 on the same side are connected into a whole through the cross beam C;
then placing an anchoring reinforcement cage D in the steel-structure upright 3; after the placement and fixation are finished, the steel-structure upright posts 3 are concreted, so that the stress performance is enhanced; after the concrete pouring is finished, the sulfur mortar is poured above the concrete pouring box, so that the later-stage disassembly is convenient.
According to the temporary consolidation device for the middle pier of the long-span continuous beam and the installation and construction process of the temporary consolidation device, the bolt connection is carried out above the long-span continuous beam after the middle pier is prefabricated below the long-span continuous beam during construction according to the simple and clear structure of the utility model, the high-altitude operation is less, and the safety coefficient is high; the temporary consolidation distance is long, so that the phenomenon of overturning of the beam body can be well reduced; in addition, a large tower crane does not need to be additionally arranged, so that the method has better economic benefit and social benefit.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a pier temporary consolidation device in large-span continuous beam, its characterized in that, including pre-buried anchor structure on cushion cap and pier shaft, carry out the steel structure stand that the anchor is connected with anchor structure, with the transverse connection system that the steel structure stand links together, place the anchor steel reinforcement cage in the steel structure stand.
2. The device for temporarily consolidating piers in a long-span continuous beam according to claim 1, wherein the anchoring structures of the cap are anchoring flanges, and a plurality of anchoring flanges are arranged at different positions on the horizontal plane of the cap.
3. The device for temporarily solidifying the middle pier of the large-span continuous beam as claimed in claim 1, wherein the anchoring structure of the pier body is anchoring double-spliced I-shaped steel, and a plurality of anchoring double-spliced I-shaped steel are arranged at different height positions of the pier body.
4. The temporary pier consolidation device for the large-span continuous beam is characterized in that the transverse connection system comprises a plurality of cross beams, wherein a fixed distance is kept between every two cross beams in the vertical direction, and the cross beams are arranged at different height positions of the vertical columns; the crossbeam connects the steel structure stand columns on the same side into a whole.
5. The temporary consolidation device for piers in a large-span continuous beam according to claim 4, wherein the cross beam is welded into a cylindrical structure by a steel plate with a thickness of 8mm or more.
6. The device for temporarily consolidating the piers in the large-span continuous beam according to claim 1, wherein the steel-structured upright posts are round-section posts with a diameter of over 1200 mm.
7. The device for temporarily consolidating piers in a long-span continuous beam according to claim 1, wherein the steel-structured upright is internally reinforced by concrete pouring.
8. The device for temporarily consolidating the middle pier of the long-span continuous beam according to claim 7, wherein sulfur mortar is poured above the concrete of the steel upright.
9. The device for temporarily consolidating piers in a long-span continuous beam according to claim 1, wherein said anchoring reinforcement cage anchors the temporary consolidation device to the beam body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922160916.4U CN211772868U (en) | 2019-12-05 | 2019-12-05 | Pier temporary consolidation device in large-span continuous beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922160916.4U CN211772868U (en) | 2019-12-05 | 2019-12-05 | Pier temporary consolidation device in large-span continuous beam |
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| Publication Number | Publication Date |
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| CN211772868U true CN211772868U (en) | 2020-10-27 |
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| CN201922160916.4U Active CN211772868U (en) | 2019-12-05 | 2019-12-05 | Pier temporary consolidation device in large-span continuous beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411386A (en) * | 2020-11-26 | 2021-02-26 | 中铁三局集团有限公司 | Method for erecting and dismantling continuous beam No. 0 block reinforced concrete-filled steel tube support |
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2019
- 2019-12-05 CN CN201922160916.4U patent/CN211772868U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411386A (en) * | 2020-11-26 | 2021-02-26 | 中铁三局集团有限公司 | Method for erecting and dismantling continuous beam No. 0 block reinforced concrete-filled steel tube support |
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