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A double-layer corrugated plate assembled arch culvert structure

A corrugated plate and arch culvert technology, which is applied in the field of double-layer corrugated plate assembled arch culvert structures, can solve problems such as long construction period, rainwater leakage, and structural damage, so as to improve construction efficiency, avoid gap exposure, and improve compressive capacity Effect

Active Publication Date: 2020-11-20
HENGSHUI QIJIA ENG MATERIALS CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the construction of road bridges and culverts, the construction of conventional concrete structures is difficult, not easy to operate, the construction period is long, the project cost is high, and the safety factor is low, which is not suitable for the rapid development of modern engineering.
The amount of natural materials such as cement, gravel, and sand is large, which is not conducive to environmental protection. At the same time, in the process of later use, when the ground subsides unevenly, cracks and other problems are prone to occur, causing structural damage
However, the assembled corrugated steel structure, which adopts overlapping plates and is fastened by bolts, is easy to construct, but still has the problem of poor compressive capacity, and arch culverts cannot avoid the existence of gaps at the overlapping joints of plates and bolt holes , so there will be problems of rainwater leakage and poor air insulation performance

Method used

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  • A double-layer corrugated plate assembled arch culvert structure
  • A double-layer corrugated plate assembled arch culvert structure
  • A double-layer corrugated plate assembled arch culvert structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] On the basis of the above structure, this embodiment is suitable for filling fireproof and thermal insulation materials between the inner and outer corrugated plates, so that the arch culvert structure can be applied in an environment where inflammable and explosive substances exist.

[0048] Among them, the medium layer 24 preferably adopts asbestos filler. Filling with asbestos, on the one hand, can have the effect of fire prevention and heat preservation, and on the other hand, the asbestos is light in weight and easy to fill.

[0049] Due to the low strength of the asbestos filler, in order to ensure the overall strength of the arch culvert, a corrugated structure in which the amplitude and pitch of the outer corrugated plate 22 are larger than that of the inner corrugated plate 23 is adopted, and the outer corrugated plate 22 with a large corrugated shape can withstand higher The high pressure increases the overall compressive strength of the arch culvert.

[0050...

Embodiment 2

[0054] The difference from Embodiment 1 is that this embodiment is suitable for filling load-bearing materials between the inner and outer corrugated plates, so that the arch culvert structure has a higher filling, a larger dead load or a lower filling and a lower live load. application in large environments.

[0055] Among them, the medium layer 24 is preferably made of reinforced concrete filler, which has high strength.

[0056] Due to the heavy weight of the dielectric layer 24 , the force to be borne by the inner corrugated plate 23 increases, so a corrugated structure in which the amplitude and pitch of the outer corrugated plate 22 are smaller than those of the inner corrugated plate 23 is adopted.

[0057] specific as Figure 10-12 As shown, the two longitudinal ends of the outer corrugated plate 22 are extended with a second extension portion 222 that can fit and fix the outer side of the upper wing plate 212. The extension portion has the same arc as the wing plate ...

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Abstract

The invention discloses an arch culvert structure assembled by double layers of corrugated plates. The arch culvert structure comprises an arch culvert body and an arch culvert foundation. The arch culvert foundation includes reinforced concrete bases and a plurality of fixed channel steel pieces, and the fixed channel steel pieces are of a U-shaped bending structure and arranged at intervals along the reinforced concrete bases. The arch culvert body includes a plurality of reinforced profile steel pieces, outer corrugated plates, inner corrugated plates and medium layers, the cross section ofeach reinforced profile steel pieces is in the shape of an I, the reinforced profile steel pieces are longitudinally arranged at intervals along the arch culvert body, and both ends of the reinforcedprofile steel pieces are fixed between the two adjacent fixed channel steel pieces. The inner corrugated plates and the outer corrugated plates are arranged in parallel up and down and fixed to C-shaped areas of the fixed channel steel pieces, and the medium layers are placed between the outer corrugated plates and the inner corrugated plates. The arch culvert structure is convenient to install,high in anti-pressure capability and free of leakage.

Description

technical field [0001] The invention relates to the technical field of road bridges and culverts, in particular to a double-layer corrugated board assembled arch culvert structure. Background technique [0002] In the construction of road bridges and culverts, the construction of conventional concrete structures is difficult and difficult to operate, the construction period is long, the project cost is high, and the safety factor is low, which is not suitable for the rapid development of modern engineering. The amount of natural materials such as cement, gravel, and sand is large, which is not conducive to environmental protection. At the same time, in the process of later use, when the ground subsides unevenly, cracks and other problems are prone to occur, resulting in structural damage. However, the assembled corrugated steel structure, which adopts overlapping plates and is fastened by bolts, is easy to construct, but still has the problem of poor compressive capacity, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01F5/00
CPCE01F5/005
Inventor 曹宁宁肖建辉罗伯婵
Owner HENGSHUI QIJIA ENG MATERIALS CO LTD
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