CN219196029U - Shallow sea area bridging tunnel underwater transition structure - Google Patents
Shallow sea area bridging tunnel underwater transition structure Download PDFInfo
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- CN219196029U CN219196029U CN202223196359.XU CN202223196359U CN219196029U CN 219196029 U CN219196029 U CN 219196029U CN 202223196359 U CN202223196359 U CN 202223196359U CN 219196029 U CN219196029 U CN 219196029U
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Abstract
The utility model provides a shallow sea area bridging tunneling underwater transition structure which comprises a travelling platform, two wave walls, two side walls, a closed cover and an underwater supporting structure, wherein the travelling platform is gradually and downwards extended along a first direction, the upper part of the travelling platform is used for a vehicle to travel, the travelling platform comprises an underwater bridge section, an underwater open section, a semi-water semi-seabed section and an underwater tunnel section which are sequentially connected along the first direction, the underwater bridge section is connected with an offshore bridge, the underwater tunnel section is connected with an underwater tunnel, the wave walls are vertically arranged on two sides of the underwater bridge section, the side walls are vertically arranged on two sides of the underwater open section, the closed cover is hermetically arranged above the semi-water semi-seabed section and the underwater tunnel section, the underwater supporting structure is arranged below the travelling platform, and the lower end of the underwater supporting structure is adaptively arranged below a seabed elevation and is used for supporting the travelling platform. The structure is integrated with seawater, so that the bridge-tunnel conversion can be realized by avoiding the adoption of an artificial island with overlarge sea area occupation, the damage of a bridge structure to the coastal landscape can be avoided, and the construction process is simple and reliable.
Description
Technical Field
The utility model relates to the technical field of foundation construction engineering, in particular to a shallow sea area bridging tunneling underwater transition structure.
Background
In coastal city construction, in order to strengthen the traffic connection of islands and peripheral areas, accelerate urban space structure reconstruction, better serve urban economic and social development, promote urban functional status, usually can build bridges, highways or fast-speed channels, etc., in coastal cities, bridges or submarine tunnels are usually built on the sea surface due to large sea water area, but in shallow water areas, bridges or tunnels and land semi-water semi-seabed section construction, the bridges or the tunnels are generally transited through building bridges or overhead, the beach is blocked, sight blocking is caused to coastlines, great influence is produced on beach and coastal landscapes, the exertion of tour sightseeing functions is greatly influenced, and the existing bridges are not suitable for the aesthetic demands of tourist cities.
Disclosure of Invention
In view of the above, the embodiment of the utility model provides a shallow sea area bridging tunneling underwater transition structure, which aims to solve the problem that the existing bridge structure blocks the line of sight of a coastline in a shallow water area.
The embodiment of the utility model provides a shallow sea area bridging tunneling underwater transition structure, which comprises the following steps:
the travelling platform is arranged in a gradually downward extending mode along a first direction, the upper portion of the travelling platform is used for driving a vehicle, the travelling platform comprises an overwater bridge section, a submerged open section, a semi-submerged semi-seabed section and a submerged tunnel section which are sequentially connected along the first direction, the overwater bridge section is connected with an offshore bridge, and the submerged tunnel section is connected with an underwater tunnel;
the two wave walls are vertically arranged at two sides of the water bridge section;
the two side walls are vertically arranged at two sides of the underwater open section;
the sealing cover is arranged above the semi-water semi-seabed section and the underwater tunnel section in a sealing manner, the upper half part of the sealing cover on the semi-water semi-seabed section is positioned on water, the lower half part of the sealing cover is positioned under water, and the sealing cover on the underwater tunnel section is positioned under water; the method comprises the steps of,
the underwater supporting structure is arranged below the travelling platform, and the lower end of the underwater supporting structure is adaptively arranged below the elevation of the seabed and is used for supporting the travelling platform.
Further, on the cross sections of the water bridge section and the open section in water, the upper surface of the travelling platform gradually inclines downwards from the middle to two sides.
Further, the upper ends of the side walls are obliquely arranged, and the upper ends of the two side walls are gradually close to each other from bottom to top.
Further, the upper end of the side wall is an arc-shaped section.
Further, the top of the closing cover is arched.
Further, the wave wall and the side wall are made of transparent materials.
Further, the underwater support structure comprises:
the transverse supporting wall is arranged below the travelling platform and is positioned under water;
the strip-shaped bearing platforms are arranged below the transverse supporting wall at intervals along the first direction and are positioned below the sea bed elevation; the method comprises the steps of,
the plurality of groups of pile caps are in one-to-one correspondence with the plurality of strip-shaped pile caps, each group of pile caps comprises a plurality of underwater pile caps which are arranged at intervals along the second direction, and the underwater pile caps are all adaptively arranged below the elevation of the seabed.
Further, the thickness of the transverse support wall at the above-water bridge section is greater than the thickness of the transverse support wall at the above-water tunnel section.
Further, the cross section of the underwater bearing platform post is round, oval, square or rectangular.
The technical scheme provided by the embodiment of the utility model has the beneficial effects that: according to the shallow sea area bridge tunneling underwater transition structure, the bridge travelling platform is arranged to extend downwards gradually towards the land in the shallow sea area and is divided into the underwater bridge section, the underwater open section, the semi-water semi-seabed section and the underwater tunnel section, the two sides of the bridge travelling platform of the underwater bridge section are provided with the wave-preventing walls for preventing water from entering, the underwater open section is provided with the side walls, the travelling space is also of an open structure, the underwater tunnel section is provided with the closed cover for setting the travelling space as a closed structure, the bridge travelling platform is looking out from the coastline, the bridge and the sea water are integrated, the bridge-tunnel transition structure can avoid the adoption of an artificial island with overlarge land occupation in the sea area, the damage of the bridge structure to the coastal landscape can be avoided, and the construction process is simple and reliable.
Drawings
FIG. 1 is a schematic cross-sectional view of an overhead bridge section in an embodiment of a shallow sea area bridge tunneling in-water transition structure provided by the present utility model;
FIG. 2 is a schematic cross-sectional view of an open section in water of an embodiment of a shallow sea area bridge tunneling in-water transition structure according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a semi-water semi-seabed segment in an embodiment of a shallow sea area bridge tunneling in-water transition structure according to the present utility model;
fig. 4 is a schematic cross-sectional structure of a mid-water tunnel segment in an embodiment of a shallow sea area bridging mid-water transition structure provided by the present utility model.
In the figure: the marine bridge comprises a travelling platform 1, an overwater bridge section 11, a water open section 12, a semi-water semi-seabed section 13, a water tunnel section 14, a wave wall 2, a side wall 3, a closed cover 4, a 5 underwater supporting structure, a 51 transverse supporting wall, a 52 strip-shaped bearing platform and a 53 bearing platform pile.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1-4, the shallow sea area bridge tunneling underwater transition structure provided by the embodiment of the utility model includes a platform 1, two wave walls 2, two side walls 3, a closed cover 4 and an underwater supporting structure 5, wherein the platform 1 gradually extends downwards along a first direction, the first direction is a direction of a bridge, and the first direction can be in a real meandering state or a straight line state from the sea to the coast. The upper part of the travelling platform 1 is used for vehicles to travel, the travelling platform 1 comprises an overwater bridge section 11, a submerged open section 12, a semi-water semi-seabed section 13 and a submerged tunnel section 14 which are sequentially connected along the first direction, the overwater bridge section 11 is connected with an offshore bridge, and the submerged tunnel section 14 is connected with an underwater tunnel; the two wave walls 2 are vertically arranged on two sides of the bridge section 11 on water, the two side walls 3 are vertically arranged on two sides of the open section 12 in water, the closed cover 4 is arranged above the semi-water semi-seabed section 13 and the tunnel section 14 in water in a sealing mode, the upper half part of the closed cover 4 on the semi-water semi-seabed section 13 is positioned on water, the lower half part of the closed cover 4 on the tunnel section 14 in water is positioned under water, the underwater supporting structure 5 is arranged below the travelling platform 1, and the lower end of the underwater supporting structure 5 is arranged below the sea bed elevation in an adaptive mode and is used for supporting the travelling platform 1.
The bridge crane platform 1 is arranged to extend downwards gradually towards the land in a shallow sea area and is divided into the water crane bridge section 11, the water open section 12, the semi-water semi-seabed section 13 and the water tunnel section 14, the wave wall 2 is arranged on two sides of the water crane platform 1 of the water crane bridge section 11 to prevent water from entering, the water crane open section 12 is provided with the side wall 3, the crane space is also of an open structure, the water tunnel section 14 is provided with the closed cover 4 to set the crane space as a closed structure, the crane space is seen out at a coastline, the junction and seawater are fused into a whole, the structure can avoid the bridge-tunnel conversion by adopting an artificial island with overlarge land occupation in the sea area, and the damage of the bridge structure to the coastal landscape can be avoided.
Further, on the cross sections of the above-water bridge section 11 and the underwater open section 12, the upper surface of the travelling platform 1 gradually slopes downwards from the middle to the two sides. The driving platform 1 is arranged in a state that the two ends are low and the middle is high, so that the water on the road surface is drained, the road surface can not be submerged after water enters the driving platform 1, and the water on the driving platform 1 is drained from the low parts on the two sides.
Further, the upper ends of the side walls 3 are obliquely arranged, and the upper ends of the two side walls 3 are gradually close to each other from bottom to top. Preferably, the upper end of the side wall 3 is an arc section. The upper end of the side wall 3 approaches to the direction of the travelling platform 1, thereby being beneficial to blocking seawater and spray. The upper end of the side wall 3 is provided with an arc section, so that the upper end line exposed out of the sea surface is attractive, and the horizontal load action of running water pressure and wave force can be reduced by adopting an arc structure at the top.
Preferably, the top of the enclosure 4 is arched. When the tide level is lower, the upper half part of the underwater tunnel section 14 is exposed above the sea level, the top end of the closed cover 4 is exposed out of the water surface, and the closed cover is arranged in an arch shape, so that the exposed structure has attractive lines, and the horizontal load action of the running water pressure and the wave force is reduced.
Furthermore, the wave wall 2 and the side wall 3 are made of transparent materials. The transparent material has strong wave resistance and the side wall 3 is exposed on the sea surface, so that the influence on the coastline landscape can be further reduced. Preferably, the wave wall 2 and the side wall 3 can be made of glass or transparent plastic.
Specifically, the underwater supporting structure 5 includes a transverse supporting wall 51, a plurality of strip-shaped bearing platforms 52 and a plurality of groups of bearing platform piles 53, the transverse supporting wall 51 is installed below the travelling platform 1, the transverse supporting wall 51 is located under water, each strip-shaped bearing platform 52 extends along a second direction, the second direction is perpendicular to the first direction, the plurality of strip-shaped bearing platforms 52 are arranged below the transverse supporting wall 51 at intervals along the first direction and below the sea bed elevation, the groups of bearing platform piles 53 are in one-to-one correspondence with the plurality of strip-shaped bearing platforms 52, each group of bearing platform piles 53 includes a plurality of edges below the underwater bearing platform columns arranged at intervals along the second direction, and the underwater bearing platform columns are adapted to be installed below the sea bed elevation. Preferably, the cross section of the underwater bearing platform post is round, oval, square or rectangular.
The lower part of the traveling platform 1 is fixed below the elevation of the seabed through a transverse supporting wall 51, a strip-shaped bearing platform 52 and a bearing platform pile 53, so that the stability of the traveling platform 1 is ensured. The transverse supporting wall 51 is arranged in the seabed to form an underwater rigid frame bridge, the bottom of the transverse supporting wall is provided with a strip-shaped bearing platform 52 and a bearing platform pile 53, and the transverse supporting wall has certain bending rigidity and shearing rigidity, can resist buoyancy and horizontal action, and is simple in structure, stable and reliable.
Wherein the thickness of the transverse support wall 51 located at the above-water bridge segment 11 is greater than the thickness of the transverse support wall 51 located at the above-water tunnel segment 14. The seawater at the bridge section 11 on the water is deeper, the buoyancy and horizontal effect of the platform 1 are greater, the thicker transverse support wall 51 is provided to make it more stable, and the tunnel section 14 in the water does not need to be so thick. Meanwhile, the height of the travelling platform 1 on the water bridge section 11 compared with the height of the water tunnel section 14 can be increased through the thickness of the transverse supporting wall 51, and the transverse supporting wall 51 can play a supporting role and an anti-floating role.
Specifically, the lateral support wall 51 may be provided with a thickness according to actual conditions. For example, in this embodiment, the hydrologic data flows 333 ° at the time of flood tide and 147 ° at the time of flood tide. The flow direction of the sea water of the flood tide and the flood tide is basically vertical to the axis of the bridge, the lower structure is also exposed above the elevation of the sea bed, and the thickness of the wall body of the transverse supporting wall 512 of the water bridge section 11 is 1.5m under the horizontal load action of the pressure of the flowing water and the wave force.
In other embodiments, other support structures used in bridge or tunnel structures may be employed as the underwater support structure 5, without limitation. In addition, as the underwater tunnel section 14 is partially positioned in the seabed and protected by the seabed, the horizontal acting force applied by the underwater tunnel section is reduced, and the underwater supporting structure 5 can be fixedly arranged below the travelling platform 1 only by a plurality of groups of pile caps 53 to support or resist floating.
In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the protection sought herein.
The embodiments described above and features of the embodiments herein may be combined with each other without conflict.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (9)
1. A shallow sea area bridging tunneling in-water transition structure comprising:
the travelling platform is arranged in a gradually downward extending mode along a first direction, the upper portion of the travelling platform is used for driving a vehicle, the travelling platform comprises an overwater bridge section, a submerged open section, a semi-submerged semi-seabed section and a submerged tunnel section which are sequentially connected along the first direction, the overwater bridge section is connected with an offshore bridge, and the submerged tunnel section is connected with an underwater tunnel;
the two wave walls are vertically arranged at two sides of the water bridge section;
the two side walls are vertically arranged at two sides of the underwater open section;
the sealing cover is arranged above the semi-water semi-seabed section and the underwater tunnel section in a sealing manner, the upper half part of the sealing cover on the semi-water semi-seabed section is positioned on water, the lower half part of the sealing cover is positioned under water, and the sealing cover on the underwater tunnel section is positioned under water; the method comprises the steps of,
the underwater supporting structure is arranged below the travelling platform, and the lower end of the underwater supporting structure is adaptively arranged below the elevation of the seabed and is used for supporting the travelling platform.
2. The shallow sea area bridge tunneling in-water transition structure according to claim 1, wherein the upper surfaces of said platform are gradually inclined downward from the middle to both sides in the cross section of said open section in water and said bridge section in water.
3. The shallow sea area bridging tunneling underwater transition structure according to claim 1, wherein the upper ends of the side walls are arranged obliquely, and the upper ends of the two side walls are gradually close to each other from bottom to top.
4. The shallow sea area bridging tunneling in-water transition structure according to claim 3, wherein the upper end of the side wall is an arc-shaped section.
5. The shallow sea area bridging in-water transition structure of claim 1, wherein the top of the enclosure is arched.
6. The shallow sea area bridging tunneling underwater transition structure according to claim 1, wherein said wave wall and said side wall are both transparent materials.
7. The shallow sea area bridge in-water transition structure of claim 1, wherein the underwater support structure comprises:
the transverse supporting wall is arranged below the travelling platform and is positioned under water;
the strip-shaped bearing platforms are arranged below the transverse supporting wall at intervals along the first direction and are positioned below the sea bed elevation; the method comprises the steps of,
the plurality of groups of pile caps are in one-to-one correspondence with the plurality of strip-shaped pile caps, each group of pile caps comprises a plurality of underwater pile caps which are arranged at intervals along the second direction, and the underwater pile caps are all adaptively arranged below the elevation of the seabed.
8. The shallow sea area bridge in-water transition structure of claim 7, wherein a thickness of the lateral support wall at the above-water bridge section is greater than a thickness of the lateral support wall at the above-water tunnel section.
9. The shallow sea area bridging tunneling in-water transition structure according to claim 7, wherein said underwater socket post is circular, oval or rectangular in cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223196359.XU CN219196029U (en) | 2022-11-25 | 2022-11-25 | Shallow sea area bridging tunnel underwater transition structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223196359.XU CN219196029U (en) | 2022-11-25 | 2022-11-25 | Shallow sea area bridging tunnel underwater transition structure |
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| CN219196029U true CN219196029U (en) | 2023-06-16 |
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| CN202223196359.XU Active CN219196029U (en) | 2022-11-25 | 2022-11-25 | Shallow sea area bridging tunnel underwater transition structure |
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