CN216838813U - Assembled concrete landing stage board - Google Patents
Assembled concrete landing stage board Download PDFInfo
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- CN216838813U CN216838813U CN202123348198.7U CN202123348198U CN216838813U CN 216838813 U CN216838813 U CN 216838813U CN 202123348198 U CN202123348198 U CN 202123348198U CN 216838813 U CN216838813 U CN 216838813U
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Abstract
The utility model relates to an assembled concrete gallery bridge plate. The fabricated concrete trestle plate consists of lightweight aggregate concrete, profiled steel plates and H-shaped steel. The H-shaped steel is connected with the profiled steel plate in a welding or bolt connection mode, the light aggregate concrete is poured into a rectangular cavity formed by the profiled steel plate and the H-shaped steel, and the fabricated concrete trestle plate is formed after curing. The flange plate of H shaped steel sets up the preformed hole, and the preformed hole includes hole for hoist, guardrail hole and bolt hole, and the preformed hole is used for the installation of assembled concrete gallery bridge plate. The assembled concrete trestle plate is a standard part processed in a factory, is transported to a construction site, is assembled and mounted on the site through the bolt connection, and can greatly improve the construction efficiency of the trestle. For temporary projects such as foundation pit projects, after the service cycle of the trestle is finished, the trestle can be disassembled and repaired and then used for next project, green construction is realized, and construction cost is effectively reduced.
Description
Technical Field
The utility model relates to a construction technical field specifically is an assembled concrete gallery bridge plate.
Background
With the arrival of the era of the development and the utilization of underground space, foundation pit engineering develops towards a large depth and a large area, and is used as temporary engineering, and once the construction of an underground structure is completed, the mission of the foundation pit is ended. In order to ensure the access of construction machinery during excavation and use of a foundation pit, a temporary channel needs to be reserved, and the pavement of the temporary channel is a trestle plate formed by concrete pouring or section steel processing. The concrete poured trestle plate has the following problems:
concrete poured trestle plates have the following problems:
(1) the arrangement of the trestle plates is lack of flexibility, and the trestle route cannot be changed once being determined, so that the construction efficiency is influenced;
(2) maintenance is needed after the construction of the trestle plate is finished, and certain influence is caused on the construction period;
(3) the bridge girder erection plate can only be broken after the use period of the temporary project is finished, so that the construction cost is increased, and the environment is not protected.
The existing section steel trestle bridge plate has the following problems:
(1) the deck bridge plate has poor strength and rigidity, and is easy to damage and deform;
(2) the pallet bridge plates are mutually independent, so that high-strength connection is difficult to form, if welding is adopted, the assembly efficiency is reduced, the turnover frequency is influenced, and the waste of resources is caused;
(3) the surface roughness of the trestle plate is not enough, the safety is poor, and the driving vehicle is easy to fall into a foundation pit due to sliding, so that safety accidents are caused.
Therefore, there is a need to provide a more optimal solution to the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a compensate the not enough of above-mentioned gallery bridge plate, provide an assembled concrete gallery bridge plate, through factory prefabrication, transport to the construction site, carry out the erection joint through bolted connection, can improve the efficiency of construction, promotion security performance, reduction of erection time, saving construction cost of gallery bridge plate by a wide margin.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides an assembled concrete gallery bridge plate which characterized in that: the component of constituteing assembled concrete gallery bridge plate includes: lightweight aggregate concrete, profiled steel sheets and H-shaped steel;
the profiled steel sheet is rectangular and is divided into an upper profiled steel sheet and a lower profiled steel sheet, and the two profiled steel sheets are consistent in size;
the H-shaped steel is divided into a left part and a right part, the length of the H-shaped steel is equal to that of the profiled steel sheet, the arrangement direction of the H-shaped steel is consistent with the long side direction of the profiled steel sheet, and the end heads of the H-shaped steel are flush;
the profiled steel sheet and the H-shaped steel enclose a rectangular cavity and two open groove-shaped areas;
the lightweight aggregate concrete is poured inside the rectangular cavity.
The profiled steel sheet is a galvanized thin steel sheet with the thickness of 0.5-1.2 mm.
The H-shaped steel is fixed on two sides of the profiled steel sheet in a welding or bolt connection mode and is overlapped, and the overlapping width is not less than 0.5 time of the width of the flange plate of the H-shaped steel;
a hoisting hole, a guardrail hole and a bolt hole are reserved in the H-shaped steel flange plate;
slot shape region is arranged in to hole for hoist, guardrail hole and bolt hole equipartition, and the hole for hoist arranges in the centre, and guardrail pore pair arranges in both ends, and the bolt hole evenly arranges between hole for hoist and guardrail hole.
The strength grade of the lightweight aggregate concrete is not lower than C30.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the fabricated concrete stacked bridge plate is a standard component processed in a factory, and is assembled and mounted on site in a bolt connection mode, so that the influence of human and weather factors is greatly reduced, the construction quality is reliable, and the use risk is reduced;
(2) the assembly type concrete trestle plate is convenient to disassemble and assemble, the construction is quick, and the construction period can be greatly shortened;
(3) the assembled concrete trestle plate has low loss rate, long turnover period and high recycling rate, and can effectively realize energy conservation, emission reduction and green construction;
(4) the assembled concrete stacked bridge plate can effectively exert the advantages of various materials and save the cost.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic view of an assembled concrete trestle plate according to the present invention;
FIG. 2 is a schematic view of a space defined by the profiled steel sheet and the H-shaped steel of the present invention;
FIG. 3 is a schematic view of the H-shaped steel hole of the present invention;
fig. 4 is the assembly effect schematic diagram of the assembly type concrete trestle plate of the utility model.
Code description in the figure: 1-assembling concrete trestle plate; 11-profiled steel sheet; 12-lightweight aggregate concrete; 13-H section steel; 131-bolt holes; 132-hoisting holes; 133-guard rail holes; 14-a rectangular cavity; 15-a trough-shaped area; 2-a joist; and 3, protecting the fence.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. The specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting of the invention.
Referring to fig. 1, the fabricated concrete trestle plate 1 comprises a profiled steel plate 11, lightweight aggregate concrete 12 and H-shaped steel 13. Referring to fig. 2, the H-section 13 is fixed to the profiled steel sheet 11 by welding or bolting, and the profiled steel sheet 11 and the H-section 13 enclose a rectangular cavity 14 and two open groove-shaped areas 15. The light aggregate concrete 12 is poured in the rectangular cavity 14, and the main structure of the fabricated concrete trestle plate 1 is formed.
As shown in fig. 3, in order to realize the assembly type installation of the horizontal supporting member of the foundation pit, the assembly type concrete trestle plate 1 is a standard component processed in a factory, and the assembly type construction is realized through the bolt holes 131, the hoisting holes 132 and the guardrail holes 133 reserved in the H-shaped steel 13.
As shown in fig. 4, the fabricated concrete plank bridge 1 is hung on the joist 2 through the hanging hole 132 reserved in the H-shaped steel 13, and is fixed with the joist 2 through the bolt hole 131. The assembled concrete trestle plates 1 are assembled one by one to form a trestle. Guardrail 3 is installed in assembled concrete beam landing slab 1 through guardrail hole 133 that H shaped steel 13 was reserved, forms and faces the limit protection.
The above detailed description of the embodiments of the present invention provides a general person skilled in the art with changes in the detailed implementation and application range according to the idea of the embodiments of the present invention. The protection scope of the present invention is not limited to the technical solution mentioned in the present embodiment, and any technical solution suggested by the present invention falls into the protection scope of the present invention.
Claims (4)
1. The utility model provides an assembled concrete gallery bridge plate which characterized in that: the component of constituteing assembled concrete gallery bridge plate includes: lightweight aggregate concrete, profiled steel sheets and H-shaped steel;
the profiled steel sheet is rectangular and is divided into an upper profiled steel sheet and a lower profiled steel sheet, and the two profiled steel sheets are consistent in size;
the H-shaped steel is divided into a left part and a right part, the length of the H-shaped steel is equal to that of the profiled steel sheet, the arrangement direction of the H-shaped steel is consistent with the long side direction of the profiled steel sheet, and the end heads of the H-shaped steel are flush;
the profiled steel sheet and the H-shaped steel enclose a rectangular cavity and two open groove-shaped areas;
the lightweight aggregate concrete is poured inside the rectangular cavity.
2. An assembled concrete plank as claimed in claim 1 wherein: the profiled steel sheet is a galvanized thin steel sheet with the thickness of 0.5-1.2 mm.
3. An assembled concrete plank as claimed in claim 1 wherein: the H-shaped steel is fixed on two sides of the profiled steel sheet in a welding or bolt connection mode and is overlapped, and the overlapping width is not less than 0.5 time of the width of the flange plate of the H-shaped steel;
a hoisting hole, a guardrail hole and a bolt hole are reserved in the H-shaped steel flange plate;
the lifting holes, the guardrail holes and the bolt holes are uniformly distributed in the groove-shaped area, the lifting holes are distributed in the middle, the guardrail holes are symmetrically distributed at two ends, and the bolt holes are uniformly distributed between the lifting holes and the guardrail holes.
4. An assembled concrete plank as claimed in claim 1 wherein: the strength grade of the lightweight aggregate concrete is not lower than C30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123348198.7U CN216838813U (en) | 2021-12-29 | 2021-12-29 | Assembled concrete landing stage board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123348198.7U CN216838813U (en) | 2021-12-29 | 2021-12-29 | Assembled concrete landing stage board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216838813U true CN216838813U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123348198.7U Active CN216838813U (en) | 2021-12-29 | 2021-12-29 | Assembled concrete landing stage board |
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| CN (1) | CN216838813U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319004A (en) * | 2021-12-29 | 2022-04-12 | 北京中岩大地科技股份有限公司 | Assembled concrete trestle plate and mounting method thereof |
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2021
- 2021-12-29 CN CN202123348198.7U patent/CN216838813U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319004A (en) * | 2021-12-29 | 2022-04-12 | 北京中岩大地科技股份有限公司 | Assembled concrete trestle plate and mounting method thereof |
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