CN212001109U - Structural system for flat ground prefabricated modular transportation of large immersed tube tunnel pipe section - Google Patents
Structural system for flat ground prefabricated modular transportation of large immersed tube tunnel pipe section Download PDFInfo
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- CN212001109U CN212001109U CN202020202826.7U CN202020202826U CN212001109U CN 212001109 U CN212001109 U CN 212001109U CN 202020202826 U CN202020202826 U CN 202020202826U CN 212001109 U CN212001109 U CN 212001109U
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Abstract
The utility model discloses a structural system of large-scale immersed tube tunnel pipeline section of prefabricated modularization transportation in level land, include: the land prefabrication platform comprises a bottom steel plate for supporting the tunnel pipe sections and a plurality of rows of support columns, and the tunnel pipe sections are transported on land through the land prefabrication platform; the modular transportation platform is used for delivering the tunnel pipe section to a transportation barge and withdrawing the transportation barge, can automatically adjust the height, and comprises a plurality of transportation modules which are communicated with each other, wherein the transportation modules are arranged at the bottom of a bottom steel plate and positioned between adjacent support columns; and the transportation barge of the ultra-large pipe section is used for carrying out water area transportation on the tunnel pipe section. The utility model has no need of dry dock construction, reduces the investment of temporary construction of immersed tube tunnels, and saves the cost and the construction period of the immersed tube tunnels; the requirement on the area of a site required by prefabricating a pipe section is small, so that the applicability of the immersed tube tunnel is higher; the pipe sections are transported through the modular transportation platform, so that the transportation mode is flexible; the requirement on the water depth of the channel is low, and dredging of the existing channel can be avoided or reduced.
Description
Technical Field
The utility model relates to a construct tunnel technical field under water at river, lake, sea, especially relate to a structural system of large-scale immersed tube tunnel pipeline section of level land prefabricated module ization transportation.
Background
The traditional immersed tube tunnel is an underwater tunnel built by the procedures of prefabricating a pipe section in a dock, towing, floating, sinking, butting, treating a foundation, backfilling, covering and the like. The top of the tunnel is shallow in earth covering, the length of the tunnel is short, the tunnel is more flexibly connected with roads on both sides of a water area, and after the tunnel is successfully constructed, the land resources in a central urban area or on both sides of the water area can be greatly saved.
The length of one section of pipe of a large immersed tunnel is generally more than 100m, the weight is more than 5 million tons, a dry dock is a prefabricated place of the immersed pipe section, the traditional pipe section manufacturing generally adopts excavation of foundation pits beside rivers, lakes and oceans to construct a large water-approaching dry dock, after the pipe section is prefabricated at the bottom of the dry dock, water is injected into the dry dock to enable the pipe section to float, and then the pipe section is dragged to the position of a tunnel to be sunk on water.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can be applied to the prefabricated modularization of flat ground of all immersed tube tunnel tube sections prefabrication and land transportation and transport the structural system of large-scale immersed tube tunnel tube section.
In order to achieve the above object, the utility model discloses a concrete technical scheme of structural system of large-scale immersed tube tunnel pipeline section of level land prefabricated module ization transportation does:
a structural system for flat ground prefabricated modular transport of large immersed tunnel pipe sections comprising: the land prefabrication platform comprises a bottom steel plate for supporting the tunnel pipe sections and a plurality of rows of support columns, and the tunnel pipe sections are transported on land through the land prefabrication platform; the modular transportation platform is used for delivering the tunnel pipe section to a transportation barge and withdrawing the transportation barge, can automatically adjust the height, and comprises a plurality of transportation modules which are communicated with each other, wherein the transportation modules are arranged at the bottom of a bottom steel plate and positioned between adjacent support columns; and the transportation barge of the ultra-large pipe section is used for carrying out water area transportation on the tunnel pipe section.
Furthermore, the bottom steel plate is a whole thick steel plate, and the length of each side is longer than that of each side of the horizontal projection of the tunnel pipe section by more than 1.5 m.
Further, the intensity of support column is used for supporting the tunnel pipe section, and vertical can the uniform settlement, and each row of support column is parallel to each other, and the confession modularization transport platform between each row of support column is walked in batches.
Further, the modular transport platform is rectangular, circular, T-shaped or Y-shaped through splicing of the transport modules.
Further, the modular transport platform includes 90 °, sector, circular steering modes.
Further, the transport barge has a length of over 100m and a width of over 22m and is capable of transporting immersed tunnel pipe sections weighing over 5 million tons.
Furthermore, a supporting platform is arranged on a deck of the transportation barge and is strip-shaped and used for unloading the tunnel pipe section.
The utility model discloses a structural system of large-scale immersed tube tunnel pipeline section of level land prefabricated module ization transportation's advantage lies in:
1) dry dock construction is not needed, the investment of temporary engineering is reduced, and the construction cost and the construction period of the immersed tube tunnel are saved;
2) the requirement on the area of a site required by prefabricating a pipe section is small, so that the applicability of the immersed tube tunnel is higher;
3) the pipe sections are transported through the modular transportation platform, so that the transportation mode is flexible;
4) the ultra-large ship transport tunnel pipe section has low requirement on the water depth of the channel, can avoid or reduce the dredging of the existing channel, and reduces the negative influence of construction on the environment, the temporary construction cost of channel dredging and the like.
Drawings
Fig. 1 is a plan view of a land prefabrication platform of the present invention;
FIG. 2 is a cross-sectional view of the land prefabrication platform of the present invention;
fig. 3 is a schematic diagram of land transportation of the land prefabricated platform of the present invention;
fig. 4 is a top view of a single modular transport module of the present invention;
fig. 5 is a top view of the modular transport platform of the present invention;
FIG. 6 is a schematic view of the water transportation of the ultra large pipe section transportation barge of the present invention;
fig. 7 is a cross-sectional view of the water transportation barge according to the present invention.
In the figure: 1. land prefabrication platforms; 11. a tunnel pipe section; 12. a support pillar; 13. a bottom steel plate; 2. a modular transport platform; 21. a transport module; 3. a transportation barge; 31. and supporting the platform.
Detailed Description
For better understanding, the purpose, structure and function of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 7, it is shown that the present invention relates to a structural system for prefabricated modular transportation of large immersed tube tunnel pipe section on flat ground, which comprises an immersed tube tunnel pipe section land prefabricated platform 1, a modular transportation platform 2 (a plurality of single modular transportation modules) and a transportation barge 3 with a support platform for ultra-large pipe section. The utility model discloses need not to dig large-scale interim foundation ditch as immersed tube tunnel pipeline section prefabrication place aside the waters, but pour single section immersed tube tunnel pipeline section major structure on the level land, then through the modularization transport platform 2 of a plurality of modularization but automatically regulated height as the pipeline section transportation carrier, distinguish conventional prefabricated component hoist and mount transportation, adopt the roll-on mode with the pipeline section fortune to super large-scale pipeline section transportation barge 3 on, accomplish the transition from land area to waters.
The structural system for flat ground prefabricated modular transportation of the large immersed tube tunnel pipe section comprises a land prefabricated platform 1 of the immersed tube tunnel pipe section, wherein the land prefabricated platform 1 is built on a flat ground, steel bar binding, formwork erection, concrete pouring and maintenance of a single section of pipe section are completed, and the land prefabricated platform 1 needs to meet the requirements of pipe section prefabrication and the width of a water area path transported from a land area to a later stage.
In addition, prefabricated platform in land 1 is including the end steel sheet 13 and the multirow support column 12 that are used for supporting tunnel pipe section 11, the utility model provides an end steel sheet 13 is the monoblock steel plate, and rigidity satisfies the deformation requirement of pipeline section pouring in-process, and each limit length is equal length on each limit than pipeline section horizontal projection and is not less than 1.5m, and satisfies the concrete form grillage and establishes the requirement. Moreover, the support columns 12 can support the weight of a single section of tunnel pipe section, uneven settlement does not occur vertically, the support columns 12 in each row are parallel to each other, and the distance between the support columns 12 in each row can meet the requirement of the modularized transportation platform 2 for batch passing.
Further, the construction system comprises a modular transport platform 2 with an automatically adjustable height for transporting the tunnel pipe sections 11 to the water. Particularly, the modular transportation platform 2 comprises a plurality of transportation modules 21 which are communicated with each other, the modular transportation platform 2 is formed by splicing a plurality of transportation modules 21, and only one person is needed to remotely control the modular transportation platform 2. The transportation module 21 is arranged at the bottom of the bottom steel plate 13 and located between the adjacent supporting columns 12, and the height of the land prefabrication platform 1 is larger than that of the modular transportation platform 2, and multiple batches of the land prefabrication platform can enter and exit simultaneously.
In addition, the modular transportation platform 2 is spliced by modules to form various combined modes such as a rectangle, a circle, a T shape or a Y shape, and has extremely strong site adaptability; the spliced modular transport platform 2 comprises various steering modes such as 90 degrees, sector and circle, and is flexible to operate.
Further, the construction system comprises an ultra-large pipe section transport barge 3, and the modular transport platform 2 is used for transporting the pipe sections to the transport barge 3 and withdrawing the pipe sections. Specifically, the transport barge 3 has a length exceeding 100m and a width exceeding 22m, and is capable of transporting a length of tunnel pipe section exceeding 100m, a width exceeding 22m, and a weight exceeding 5 ten thousand tons as a whole. On the deck of the transport barge 3, a support platform 31 is provided, which support platform 31 is strip-shaped and is used for unloading the tunnel pipe section 11.
The structure system for the flat ground prefabricated modular transportation of the large immersed tube tunnel pipe section does not need to build a dry dock, reduces the investment of temporary engineering, and saves the cost and the construction period of the immersed tube tunnel; the requirement on the area of a site required by prefabricating a pipe section is small, so that the applicability of the immersed tube tunnel is higher; the pipe sections are transported through the modular transportation platform, so that the transportation mode is flexible; the ultra-large ship transport tunnel pipe section has low requirement on the water depth of the channel, can avoid or reduce the dredging of the existing channel, and reduces the negative influence of construction on the environment, the temporary construction cost of channel dredging and the like.
The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.
Claims (7)
1. A structural system for flat ground prefabricated modular transportation of large immersed tube tunnel pipe sections is characterized by comprising:
the land prefabrication platform (1) comprises a bottom steel plate (13) for supporting the tunnel pipe section (11) and a plurality of rows of support columns (12), and the tunnel pipe section (11) is transported on land through the land prefabrication platform (1);
the modular transportation platform (2) is used for conveying the tunnel pipe section (11) to a transportation barge (3) and then withdrawing, can automatically adjust the height, and comprises a plurality of transportation modules (21) which are communicated with each other, wherein the transportation modules (21) are arranged at the bottom of a bottom steel plate (13) and are positioned between adjacent support columns (12); and
a transportation barge (3) for very large pipe sections for transporting tunnel pipe sections (11) in water.
2. Construction system according to claim 1, characterized in that the base steel plate (13) is a one-piece thick steel plate, each side having a length greater than 1.5m longer than each side of the horizontal projection of the tunnel pipe section.
3. Structural system according to claim 1, characterised in that the support columns (12) have a strength for supporting the tunnel pipe sections and are capable of uniform vertical settlement, that the rows of support columns (12) are parallel to each other and that the modular transport platform (2) is passed between the rows of support columns in bulk.
4. Construction system in accordance with claim 1, characterized in that the modular transport platforms (2) are rectangular, circular, T-shaped or Y-shaped by splicing of transport modules (21).
5. Construction system according to claim 1, characterized in that the modular transport platform (2) comprises a 90 °, sector, circular steering pattern.
6. A construction system as claimed in claim 1, characterised in that the transport barge (3) has a length of over 100m and a width of over 22m and is capable of transporting immersed tunnel pipe sections weighing over 5 million tons.
7. A construction system as claimed in claim 1, characterised in that on the deck of the transport barge (3) there is provided a support platform (31), which support platform (31) is strip-shaped for unloading the tunnel pipe section (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020202826.7U CN212001109U (en) | 2020-02-24 | 2020-02-24 | Structural system for flat ground prefabricated modular transportation of large immersed tube tunnel pipe section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020202826.7U CN212001109U (en) | 2020-02-24 | 2020-02-24 | Structural system for flat ground prefabricated modular transportation of large immersed tube tunnel pipe section |
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| Publication Number | Publication Date |
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| CN212001109U true CN212001109U (en) | 2020-11-24 |
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| CN202020202826.7U Active CN212001109U (en) | 2020-02-24 | 2020-02-24 | Structural system for flat ground prefabricated modular transportation of large immersed tube tunnel pipe section |
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