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Composite rib-composite material grating seawater and sea sand bridge deck slab

A composite material and composite rib technology, used in bridges, bridge parts, bridge construction, etc., can solve the problems that bridge decks do not have anti-corrosion, cannot alleviate the shortage of river sand resources, and structural durability has not been solved, and achieve light weight. , The effect of strong fatigue resistance and good corrosion resistance

Pending Publication Date: 2020-04-21
GUANGDONG UNIV OF TECH
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Problems solved by technology

But in fact, the final bridge deck does not have the function of anti-corrosion, and the problem of structural durability is still unsolved, and natural resources such as seawater and sea sand cannot be directly used, and the shortage of river sand resources cannot be alleviated.

Method used

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  • Composite rib-composite material grating seawater and sea sand bridge deck slab
  • Composite rib-composite material grating seawater and sea sand bridge deck slab
  • Composite rib-composite material grating seawater and sea sand bridge deck slab

Examples

Experimental program
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Effect test

Embodiment 1

[0030] Such as Figure 1 to Figure 2 Shown is the first embodiment of a composite bar-composite material grid seawater sea sand bridge deck of the present invention, including an FRP grid structure 3, and a number of criss-crossing composite ribs 2 are arranged in the FRP grid structure 3, and the FRP grid The grid structure 3 is poured with concrete 1 .

[0031] The concrete 1 is constrained jointly by the FRP grid structure 3 and the composite reinforcement 2, so that the bearing capacity, stability and earthquake resistance of the bridge deck can be improved, and the corrosion resistance and bending resistance can also be improved.

[0032] In addition, the FRP grid structure 3 includes a first FRP grid 31 and a second FRP grid 32, the first FRP grid 31 is located on the upper surface or the lower surface of the second FRP grid 32, and the first FRP grid 31 and the second FRP grid The second FRP grids 32 are parallel to each other, and the concrete 1 is poured between the ...

Embodiment 2

[0040] This embodiment is similar to Embodiment 1, the difference is that the cross-section of the composite bar 2 in this embodiment is square, as image 3 shown.

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Abstract

The invention relates to the technical field of concrete, in particular to a composite rib-composite material grating seawater and sea sand bridge deck slab which comprises an FRP grating structure, aplurality of criss-cross composite ribs are arranged in the FRP grating structure, and concrete is poured in the FRP grating structure. The anti-bending bearing capacity of the bridge deck slab can be improved, cracking of the bridge deck slab is reduced, the overall and local stability of the bridge deck slab is improved, and then the rigidity and bearing capacity of the bridge deck slab are improved.

Description

technical field [0001] The invention relates to the technical field of concrete, and more specifically relates to a composite bar-composite material grid seawater sea sand bridge deck. Background technique [0002] Concrete structures, steel structures, and steel-concrete composite structures all have their own advantages and are widely used in civil engineering, but some problems have also been exposed in engineering practice, the most prominent of which is due to the Or the corrosion of steel causes premature degradation of the structure or insufficient structural function. According to investigations, many bridges have insufficient structural durability or functional degradation. This requires the development of economical and effective structural reinforcement methods and high-performance structural materials as soon as possible to prolong the service life of structures and improve structural performance. [0003] A large number of civil works, the basic material is con...

Claims

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Application Information

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IPC IPC(8): E01D19/12E04C5/07
CPCE01D19/125E04C5/07
Inventor 郭永昌林健龙肖淑华
Owner GUANGDONG UNIV OF TECH
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