CN215668966U - High-strength light-dead-weight glass fiber reinforced plastic buoyancy tank for pontoon bridge and pontoon bridge thereof - Google Patents
High-strength light-dead-weight glass fiber reinforced plastic buoyancy tank for pontoon bridge and pontoon bridge thereof Download PDFInfo
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- CN215668966U CN215668966U CN202121885942.4U CN202121885942U CN215668966U CN 215668966 U CN215668966 U CN 215668966U CN 202121885942 U CN202121885942 U CN 202121885942U CN 215668966 U CN215668966 U CN 215668966U
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Abstract
The utility model discloses a high-strength light-weight fiber reinforced plastic pontoon for a pontoon bridge and the pontoon bridge thereof, and the pontoon bridge comprises a box body and a box body composite cover plate, wherein the box body composite cover plate sequentially comprises a panel layer, a steel structure reinforcing layer and a waterproof partition plate layer from top to bottom; the steel structure reinforcing layer is provided with a baseThe base penetrates through the panel layer and is fixedly connected with the bridge deck; the member has light dead weight, convenient hoisting and transportation, and the material density is usually 1.8-2.0g/cm3(ii) a The mechanical property is good, and the hoop tensile strength of the material is more than or equal to 300 MPa; the corrosion resistance is strong, the material is a composite material, the corrosion resistance is strong, the oxidation resistance and the water immersion resistance are realized, the service life is generally more than 50 years, and special maintenance is not needed in the period; good anti-permeability performance, non-hydrophilic material, water impermeability and strong anti-permeability.
Description
Technical Field
The utility model relates to the field of bridges, in particular to a high-strength light-weight fiber reinforced plastic pontoon for a pontoon bridge and the pontoon bridge.
Background
The existing pontoon structure of the pontoon bridge is realized by adopting a steel structure, a concrete structure or a wood structure, a rubber structure and the like. It has the following problems: 1. the buoyancy tanks made of steel structures and concrete structures are limited by the fact that the density of materials is high, the buoyancy tanks need to have large volume, and the buoyancy tank components are heavy; the hoisting, transportation and hoisting need to have larger transfer capacity; 2. the floating box made of steel structure, wood structure and rubber structure has higher processing precision and technological requirements; the requirement on the corrosion resistance is high, and the durability is greatly influenced by later maintenance and corrosion prevention means, so that the durability is limited; the strength and tensile property of the rubber structure and the wood structure are poor, and the strength and mechanical stability of the manufactured buoyancy tank have certain problems; 3. the buoyancy tank of the concrete structure has higher requirement on impermeability, so the construction process has strict requirement, and the construction part is convenient.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model aims to overcome the defects in the prior art, and provides a high-strength light-weight fiber reinforced plastic buoyancy tank for a floating bridge, which has the characteristics of light weight, convenience in hoisting and transportation, high strength, strong corrosion resistance and good mechanical stability.
The high-strength light-weight glass fiber reinforced plastic buoyancy tank for the floating bridge comprises a tank body and a tank body composite cover plate, wherein the tank body composite cover plate sequentially comprises a panel layer, a steel structure reinforcing layer and a waterproof partition plate layer from top to bottom, and the panel layer, the waterproof partition plate layer and the tank body are all made of glass fiber reinforced plastic materials; the steel structure reinforcing layer is provided with a base, and the base penetrates through the panel layer and is used for being fixedly connected with the bridge deck;
further, the steel structure reinforcing layer is a frame structure formed by connecting hollow section steel transversely and longitudinally;
furthermore, the base is of an L-shaped structure, and a mounting hole is formed in the base;
furthermore, a partition board is arranged in the box body, and the partition board is respectively connected with the inner wall of the box body and the composite cover plate of the box body to divide the cavity of the box body into a water delivery area at two sides and a middle cavity area along the longitudinal direction of the box body;
furthermore, the water delivery area and the middle cavity area are equal in size, and the water delivery area is communicated with a PVC water pipe for water drainage and water injection;
furthermore, stiffening ribs are arranged on the partition plate and the end plates positioned at the two longitudinal ends of the box body, and the partition plate and the stiffening ribs are made of glass fiber reinforced plastic materials;
furthermore, the section of the box body is semicircular, and the stiffening ribs on the partition plate and the end plate are of inverted V-shaped structures;
furthermore, box wall stiffening ribs are arranged on the inner walls of the box body in the water delivery area and the middle cavity area, and the box wall stiffening ribs are made of glass fiber reinforced plastic materials;
furthermore, the box wall stiffening ribs are arc-shaped structures which are arranged along the transverse circumferential direction of the inner wall of the box body and are adapted to the inner wall of the box body;
furthermore, an observation hole is formed in the wall of the box body of the water delivery area.
The utility model also discloses a floating bridge, which is provided with the high-strength light-weight glass fiber reinforced plastic floating box for the floating bridge.
The utility model has the beneficial effects that: the utility model discloses a high-strength light-dead-weight glass fiber reinforced plastic buoyancy tank for a floating bridge, which has light member dead weight and convenient hoisting and transportation, and the material density is usually 1.8-2.0g/cm3The density of the steel structure and the concrete structure is greatly less than that of the steel structure and the concrete structure, and the steel structure can be used as a floating material; good mechanical property, the hoop tensile strength of the material is more than or equal to 300MPa, which is obviously superior to that of concrete structure and woodThe structure, the rubber structure and the like, so that the buoyancy tank component manufactured by the method has stronger mechanical stability; the corrosion resistance is strong, the material is a composite material, the corrosion resistance is strong, the oxidation resistance and the water immersion resistance are realized, the service life is generally more than 50 years, special maintenance is not needed in the period, and the material is obviously superior to a steel structure, a wood structure, a rubber structure and the like; the impermeability and the impermeability of the material are obviously superior to those of wood structures, concrete structures and the like; the processing is convenient, the modeling is easy, the color is randomly allocated, and the buoyancy tank forms with different pressure grades and shapes can be designed and manufactured according to the pressure and load distribution condition.
Drawings
The utility model is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the burst diagram configuration of the present invention;
fig. 3 is a schematic cross-sectional structure of the present invention.
Detailed Description
Fig. 1 is a schematic structural diagram of the present invention, and as shown in the drawing, the high-strength lightweight glass fiber reinforced plastic for a pontoon bridge in the embodiment includes a box body 1 and a box body composite cover plate 2, the box body composite cover plate 2 sequentially includes a panel layer 21, a steel structure reinforcing layer 22 and a waterproof partition layer 23 from top to bottom, and the panel layer 21, the waterproof partition layer 23 and the box body 1 are made of glass fiber reinforced plastic; the steel structure reinforcing layer 22 is provided with a base 221, and the base 221 penetrates through the panel layer 21 and is used for being fixedly connected with the bridge deck; the box 1 and the face plate layer 21, the waterproof baffle plate layer 23 adopt glass fiber reinforced plastic materials, for the fiber reinforced composite material, can effectively alleviate the dead weight of flotation tank, and the steel construction enhancement layer 22 is used for increasing the rigidity of the compound apron 2 of box to transmit the bridge floor load for the box structure, be provided with the base 221 on the steel construction enhancement layer 22 and be used for being connected with the bridge floor system, thereby also improve the wholeness of the compound apron 2 of box, whole rigidity and structural stability.
In this embodiment, the steel structure reinforcing layer 22 is a frame structure formed by connecting hollow section steel in the transverse and longitudinal directions; rectangular hollow section steel is welded into a frame structure, a steel structure reinforcing layer 22 of the frame structure is matched with a panel layer 21 and a waterproof clapboard layer 23 made of glass fiber reinforced plastic materials to reinforce the rigidity of a bearing surface, and the frame structure transmits the load of a bridge deck to a box body structure and plays a role in reducing weight. The waterproof partition plate layer 23 is used for isolating the steel frame from a water body with the self weight adjusted in the box body, and plays a role in corrosion prevention of the steel frame.
In this embodiment, the base 221 is an L-shaped structure, and the base 221 is provided with a mounting hole; the base 221 is arranged on the connecting node 222 of the frame structure, and the base 221 passes through the panel layer 21 and is connected and fixed with the bridge deck structure. Because the base 221 is in an L-shaped structure, a through hole matched with the base 221 is conveniently formed in the panel, so that the base 221 penetrates through the panel layer 21 and protrudes out of the surface of the panel layer 21, and the overall structural strength and stability of the composite cover plate 2 of the box body are improved. The base 221 is a steel plate welded to the frame structure, and has simple and convenient construction and high structural strength. Of course, the structure of the base 221 is not limited to that of the present embodiment, and may be a bar structure, a rectangular structure, or the like.
In the embodiment, a partition plate 11 is arranged in the box body 1, the partition plate is connected with the inner wall of the box body into a whole, the edge of the top of the partition plate is aligned with a composite cover plate of the box body, and a cavity of the box body is divided into a water conveying area 14 at two sides and a middle cavity area 15 along the longitudinal direction of the box body; the chamber of box is divided into the water delivery district 14 that is used for drainage 19, water injection 19 and is used for adjusting balanced and be located the middle cavity district 15 between two water delivery districts 14 through baffle 11 in the box, and middle cavity district 15 does not fill water, and the cooperation forms independent subregion confined space between water delivery district 14 and middle cavity district 15 and the compound apron 2 of box and the division board.
In this embodiment, the two water delivery zones 14 are equal in size; the balance of the buoyancy tank is convenient to adjust; the size of the middle cavity area 15 can be adjusted according to the buoyancy limit value required by the buoyancy tank; the water conveying area 14 is communicated with a PVC water pipe 16 for water drainage and water injection; the PVC water pipe 16 is used for draining and injecting water to the water delivery area so as to adjust the dead weight of the whole buoyancy tank body.
In this embodiment, the partition plate 11 and the end plates 12 at the two longitudinal ends of the box body are both provided with stiffening ribs 13, and the partition plate 11 and the stiffening ribs 13 are both made of glass fiber reinforced plastic; the stiffening ribs 13 on the partition board 11 are used for increasing the rigidity of the partition board 11, the stiffening ribs 13 on the end board 12 are used for increasing the rigidity of the end board 12, and the end board 12, the partition board 11 and the stiffening ribs 13 are all made of glass fiber reinforced plastic materials, so that the structural strength is high, and the dead weight is light.
In this embodiment, the cross section of the box body 1 is semicircular, and the baffle plate 11 and the stiffening ribs 13 on the end plate 12 are of an inverted V-shaped structure; because the cross-section of the box body 1 is semicircular, the partition plate 11 and the end plate 12 are both semicircular, the vertex of the stiffening rib 13 with the inverted V-shaped structure is close to the circle center of the partition plate 11 and the end plate 12, the two V-shaped sides radially extend to the box body wall and form bent end parts on the box body wall so as to avoid the stress concentration phenomenon of the two V-shaped side end parts, and the structural stability is stronger.
In this embodiment, the inner walls of the water delivery area 14 and the middle cavity area 15 are both provided with tank wall stiffening ribs 17, and the tank wall stiffening ribs 17 are made of glass fiber reinforced plastic; stiffening the walls of the tank.
In this embodiment, the box wall stiffening ribs 17 are arc-shaped structures which are arranged along the transverse circumferential direction of the inner wall of the box body and are adapted to the inner wall of the box body; the structural strength is higher.
In this embodiment, the wall of the tank of the water delivery area 14 is provided with an observation hole 18; the water level conditions of the water injection 19 and the water drainage 19 in the floating box body are observed by the water level distribution at four corners of the long side of the floating box body.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. The utility model provides a light glass steel flotation tank of high strength dead weight for pontoon bridge which characterized in that: the box body composite cover plate sequentially comprises a panel layer, a steel structure reinforcing layer and a waterproof partition plate layer from top to bottom, wherein the panel layer, the waterproof partition plate layer and the box body are all made of glass fiber reinforced plastic materials; the steel structure reinforcing layer is provided with a base, and the base penetrates through the panel layer and is used for being fixedly connected with the bridge deck system.
2. The high strength lightweight glass fiber reinforced plastic pontoon of claim 1, wherein: the steel structure reinforcing layer is a frame structure formed by connecting hollow section steel transversely and longitudinally.
3. The high-strength lightweight glass fiber reinforced plastic pontoon according to claim 2, wherein: the base is L-shaped structure, and the base is provided with a mounting hole.
4. The high strength lightweight glass fiber reinforced plastic pontoon of claim 1, wherein: be provided with the baffle in the box, baffle and box inner wall are linked together as an organic whole, and baffle top edge aligns with the compound apron of box, holds the chamber with the box and vertically separates into both sides water delivery district and middle cavity district along the box.
5. The high strength lightweight glass fiber reinforced plastic pontoon of claim 4, wherein: the size in both sides water delivery district is impartial, and its size setting can be adjusted according to the required buoyancy limiting value of flotation tank to the size in middle cavity district, water delivery district intercommunication has the PVC water pipe that is used for drainage and water injection.
6. The high-strength lightweight glass fiber reinforced plastic pontoon according to claim 5, wherein: the baffle all is provided with stiffening rib with the end plate that is located the vertical both ends of box, baffle and stiffening rib are glass steel material.
7. The high strength lightweight glass fiber reinforced plastic pontoon of claim 6, wherein: the cross section of the box body is semicircular, stiffening ribs on the partition plate and the end plate are of inverted V-shaped structures, and the two V-shaped branches are arranged along the diameters of the semicircular partition plate and the end plate.
8. The high strength lightweight glass fiber reinforced plastic pontoon of claim 7, wherein: and tank wall stiffening ribs are arranged on the inner walls of the water delivery area and the middle cavity area, and are made of glass fiber reinforced plastic materials.
9. The high strength lightweight glass fiber reinforced plastic pontoon of claim 8, wherein: the box wall stiffening ribs are arc-shaped structures which are arranged along the transverse circumferential direction of the inner wall of the box body and are adapted to the inner wall of the box body; and an observation hole is formed in the wall of the box body of the water delivery area.
10. A pontoon, characterized in that: the pontoon has a high-strength lightweight pontoon for a pontoon according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121885942.4U CN215668966U (en) | 2021-08-12 | 2021-08-12 | High-strength light-dead-weight glass fiber reinforced plastic buoyancy tank for pontoon bridge and pontoon bridge thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121885942.4U CN215668966U (en) | 2021-08-12 | 2021-08-12 | High-strength light-dead-weight glass fiber reinforced plastic buoyancy tank for pontoon bridge and pontoon bridge thereof |
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| Publication Number | Publication Date |
|---|---|
| CN215668966U true CN215668966U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121885942.4U Active CN215668966U (en) | 2021-08-12 | 2021-08-12 | High-strength light-dead-weight glass fiber reinforced plastic buoyancy tank for pontoon bridge and pontoon bridge thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215668966U (en) |
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2021
- 2021-08-12 CN CN202121885942.4U patent/CN215668966U/en active Active
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