CN215630135U - Non-welding assembled steel end sealing door for immersed tube tunnel - Google Patents
Non-welding assembled steel end sealing door for immersed tube tunnel Download PDFInfo
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- CN215630135U CN215630135U CN202121677216.3U CN202121677216U CN215630135U CN 215630135 U CN215630135 U CN 215630135U CN 202121677216 U CN202121677216 U CN 202121677216U CN 215630135 U CN215630135 U CN 215630135U
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Abstract
The utility model discloses a non-welding assembled steel end sealing door of a immersed tube tunnel and a sealing method, comprising the following steps: the sealing device comprises a sealing end door plate, a sealing edge, a rubber strip and a support; the periphery of the sealing end door plate block is surrounded by steel plates to form a sealing edge, inwards-recessed grooves are formed in the surfaces, opposite to the wall surface of the immersed tube, of the sealing edge, rubber strips are installed in the grooves, and the sealing end door plate block is fixed with the immersed tube through a support. The utility model has the advantages of convenient installation and disassembly, higher work efficiency, high installation precision, cyclic use and cost saving.
Description
Technical Field
The utility model relates to the technical field of outfitting parts in immersed tube tunnel engineering. More particularly, the utility model relates to a non-welding assembled steel end sealing door of a immersed tube tunnel and a sealing method.
Background
The end sealing door is an outfitting part applied to the immersed tube tunnel, is used for two ends of an immersed tube section, plays a role in sealing, and ensures that watertight temporary facilities are sealed when the immersed tube section is transported by floating and is immersed. The conventional end door sealing process of the immersed tunnel adopts a concrete structure or a steel structure. Concrete end seals door construction cost is lower, but compares the intraductal operation time of demolising of steel end seal door longer, and produces more waste gas in the confined tunnel, and the ventilation requirement of the intraductal construction of geminate transistors is higher. The steel structure end sealing door adopts a steel structure panel, a supporting steel beam and a pre-buried bracket. The common end seal door is processed in a steel structure processing plant and then is transported to a site for assembly, the site welding amount is large, the installation workload is large, the component size is large, and the installation and removal work is difficult. The on-site welding quality is the key for ensuring the water tightness of the end sealing door, but the control and detection of the welding quality are difficult. Furthermore, the welding work near the immersed tube section will cause the generation of concrete cracks in the tube section due to local heating. For example, the steel structure end sealing doors adopted by the immersed tube tunnel of mao bridge of mao, mao adopt a welding mode, and the main components include steel sealing doors, steel beams, steel beam brackets, sealing flitch and other components. The steel beam is vertically arranged on the end surfaces of the pipe section gallery and the lane, two supporting points are arranged at the upper part and the lower part, the top part is a steel beam bracket, and the bottom part is a cast-in-situ sleeper beam. The steel beam outer side is welded with steel seal doors, and the steel seal doors and the embedded parts are welded watertight through the sealing flitch.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a non-welding assembled steel end sealing door for a immersed tube tunnel and a sealing method, which have the advantages of convenience in installation and disassembly, higher work efficiency, high installation precision, cyclic use and cost saving.
To achieve these objects and other advantages in accordance with the purpose of the utility model, there is provided a welded assembly-less steel end closure for a immersed tunnel, comprising: the sealing device comprises a sealing end door plate, a sealing edge, a rubber strip and a support;
the sealing door plate is characterized in that the periphery of the sealing door plate is surrounded by steel plates to form a sealing edge, the surface opposite to the wall surface of the immersed tube on the sealing edge is provided with an inward sunken groove, a rubber strip is installed in the groove, the groove and the rubber strip are fixed through a glue layer, the rubber strip is limited through the groove, the immersed tube is sealed through the rubber strip and the sealing door plate, and the sealing door plate and the immersed tube are fixed through a support.
Preferably, the end-capped door panel block comprises a panel, a cross rib and a vertical beam;
one of them side of panel is provided with a plurality of horizontal ribs and a plurality of perpendicular roof beam, the side that the panel was equipped with horizontal rib and perpendicular roof beam is located the inner face of immersed tube, another side relative with horizontal rib, perpendicular roof beam on the panel is located the outside that immersed tube and water contacted.
Preferably, the support is fixed on the top plate of the immersed tube and the sleeper beam at the bottom of the immersed tube through embedded bolts, and the support is fixed with the vertical beam of the end-sealing door plate through connecting bolts.
Preferably, the sealing edges at the top and bottom of the end-capped door panel block have inward slopes in the shape of a wedge at an angle of 1:3 to 1: 5.
Preferably, the sealing edges on two side surfaces of the sealing door plate block are provided with wedge-shaped inward inclined planes with an angle of 1: 3-1: 5.
Preferably, the rubber strips on the sealed edges of the two side surfaces of the end-closing door panel block are of a raised structure with holes.
Preferably, the rubber strips on the sealing edges at the top and the bottom of the end-sealing door panel block are of a wedge-shaped porous gradually-changing structure, the wedge-shaped surface of each rubber strip is provided with protrusions and grooves which are arranged in a staggered mode, and the grooves are provided with water-swelling rubber blocks.
Preferably, the panel is a steel plate with a thickness of at least 10mm, the transverse ribs are of a channel steel structure, and the vertical beams are of an H-shaped steel structure.
The utility model at least comprises the following beneficial effects: the non-welding assembly type steel end sealing door component for the immersed tube tunnel has good integrity; the single block has small weight and size and is convenient to construct; the installation and the removal are convenient, the work efficiency is high, and the installation precision is high; the material can be circularly used, so that the cost is saved; in the process of floating transportation and sinking of the immersed tube, along with the increase of water pressure, the wedge-shaped block design ensures that the steel end sealing door is pressed more and more tightly, so that the water-stopping device has better water-stopping property and good water-stopping effect.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic view of a non-welded assembled steel end seal door for a immersed tube tunnel according to the present invention;
FIG. 2 is a cross-section A-A of FIG. 1;
FIG. 3 is a cross-section A-A of FIG. 2;
FIG. 4 is a view showing an installation step in embodiment 1;
FIG. 5 is a rubber strip with a perforated boss structure;
FIG. 6 is a rubber strip of a wedge-shaped porous graded structure;
FIG. 7 is a schematic view of the connection of the support base with the top plate of the immersed tube;
fig. 8 is a schematic view of the connection of the support and the bottom bolster of the sink pipe.
Description of reference numerals: 1 sealing door plate piece, 2 banding, 3 rubber strips of foraminiferous protruding structure, 4 rubber strips of the porous gradual change structure of wedge, 5 supports, 6 panels, 7 cross ribs, 8 perpendicular roof beams, water-swelling rubber piece is met to 9, 10 embedded bolts. 11 connecting bolts, 12 immersed tube top plates and 13 immersed tube bottom sleeper beams.
Detailed Description
The utility model will be described more fully hereinafter with reference to the accompanying drawings. Those skilled in the art will be able to implement the utility model based on these teachings. Before the present invention is described in detail with reference to the accompanying drawings, it is to be noted that: the technical solutions and features provided in the present invention in the respective sections including the following description may be combined with each other without conflict.
Moreover, the embodiments of the present invention described in the following description are generally only some embodiments of the present invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.
The utility model is further described in detail with reference to the following drawings and examples, and the specific implementation process is as follows:
as shown in fig. 1, the present invention provides a non-welding assembled steel end sealing door for immersed tube tunnel, comprising: the sealing door comprises a sealing door plate 1, a sealing edge 2, a rubber strip and a support 5;
adopt the steel sheet to enclose all around of seal end door plate 1 and establish and form banding 2, the face relative with the immersed tube wall on banding 2 all is formed with inside sunken fluting, install the rubber strip in the fluting, fluting and rubber strip pass through the glue film fixed, and it is spacing to the rubber strip through the fluting, seals the immersed tube through rubber strip and end-capping door plant piece 1, seal end door plate 1 passes through support 5 with the immersed tube and fixes.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the end door plate block 1 comprises a panel 6, a transverse rib 7 and a vertical beam 8;
one of them side of panel 6 is provided with a plurality of horizontal ribs 7 and a plurality of perpendicular roof beam 8, the side that panel 6 was equipped with horizontal rib 7 and perpendicular roof beam 8 is located the inner face of immersed tube, another side relative with horizontal rib 7, perpendicular roof beam 8 on panel 6 is located the outside that immersed tube and water contacted.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the support 5 is fixed on a top plate 12 of the immersed tube and a sleeper beam 13 at the bottom of the immersed tube through embedded bolts 10, and the support 5 is fixed with a vertical beam 8 of the end-sealed door plate block 1 through a connecting bolt 11.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the sealing edges 2 positioned at the top and the bottom of the sealing door plate block 1 are provided with wedge-shaped inward inclined planes with an angle of 1: 3-1: 5.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the sealing edges 2 on two side surfaces of the sealing door plate block 1 are provided with wedge-shaped inward inclined planes with an angle of 1: 3-1: 5.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the sealing edges 2 on two side surfaces of the sealing door plate block 1 are provided with rubber strips 3 with hole bulge structures, as shown in figure 5, the contact surfaces of the rubber strips 3 with the hole bulge structures and the immersed tube are wavy, and a plurality of holes are arranged below the wavy shape.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the rubber strip 4 that is the porous gradual change structure of wedge on the banding 2 of 1 top of end door plate piece and bottom, have arch and the recess of crisscross setting on the wedge face of rubber strip, groove department is provided with meets water inflation rubber block 9.
The technical scheme can also comprise the following technical details so as to better realize the technical effects: the panel 6 is a steel plate with the thickness of at least 10mm, the transverse ribs 7 are of channel steel structures, and the vertical beams 8 are of H-shaped steel structures.
The utility model also provides a method for sealing the immersed tube tunnel, which seals the tube hole or the tube gallery of the immersed tube through a plurality of or single steel end sealing doors;
when a plurality of steel end sealing door sealing pipe holes or pipe galleries are needed, firstly, rubber strips on the steel end sealing doors are taken down, glue layers are coated in the grooves of the steel end sealing doors, odd steel end sealing doors are symmetrically and synchronously installed from two sides to the middle, the steel end sealing doors in the rest middle are not installed, the installed steel end sealing doors are fixed with the immersed tube through a support 5, then, the rubber strips of the installed steel end sealing doors are pressed to the designed position through a jack, finally, the steel end sealing doors in the middle are installed and fixed with the immersed tube through the support 5, and then, the rubber strips of the steel end sealing doors in the middle are pressed to the designed position through the jack;
the sealing edges 2 at the top and the bottom of the end-sealing door panel block 1 of all the steel end sealing doors are provided with inward inclined planes with a wedge shape at an angle of 1: 3-1: 5, and the sealing edges 2 at two side surfaces of the end-sealing door panel block 1 of the steel end sealing door in the middle are provided with inward inclined planes with a wedge shape at an angle of 1: 3-1: 5; the rubber strips on the sealing edges 2 on the two side surfaces of the sealing door plate block 1 are of a raised structure with holes.
Example 1
As shown in figures 1-8, a two-hole one-pipe gallery scheme is adopted in a certain immersed tube tunnel project. The solderless assembled end sealing door adopts a piece-separating assembled wedge-shaped structure, each lane comprises 5 steel end sealing doors, the middle pipe gallery comprises 1 steel end sealing door, and each end face comprises 11 steel end sealing doors. According to the width of the steel end sealing door, the width of a single steel end sealing door is 2.34-2.56 m. The steel end sealing door adopts a steel plate with the thickness of 12mm as the panel 6, the transverse ribs 7 adopt 14a channel steel, and the vertical beams 8 adopt H-shaped steel. The channel steel and the H-shaped steel are welded at equal height. And the periphery of each end sealing door is sealed by adopting a steel plate with the thickness of 24mm, an inward concave groove is formed in the steel plate of the sealed edge 2, the width of the groove is 140mm, and the depth is 4 mm. The top 2 and bottom 2 seals of all the single steel end-sealed doors are wedge-shaped inward at an angle of 1: 5. Wherein, the sealing edges 2 at two sides of the 3# door are inwards in a wedge shape at an angle of 1: 3.73.
From the stress, the load (water pressure) borne by the steel end sealing door is transmitted to the top inclined plane supporting surface and the bottom inclined plane supporting surface through the vertical beam 8. When the steel end sealing door is installed, the steel end sealing door is installed from two sides to the middle one by one, and the steel end sealing door is connected with the connecting bolt 11 of the vertical beam 8H-shaped steel through the support 5 to achieve the pre-tightening effect. Firstly, symmetrically installing 1# and 5# end sealing doors, then symmetrically installing 2# and 4# end sealing doors, and fastening through a connecting bolt 11; transversely compressing the rubber strips 1#, 2#, 4#, and 5# to a designed position by a jack; and finally installing a middle 3# end sealing door and a rubber strip. The end seal door wedge-shaped partitioning design enables the whole body to have better water stopping performance under the action of hydrostatic pressure.
The water stop rubber strip is a specially-made integrally-formed frame-shaped rubber strip for each end sealing door and is arranged in the groove on the sealing edge 2 at the periphery of each unit.
As shown in figure 5, the section of the rubber strip in the thickness direction of the side contact surface of the steel end sealing door is a rubber strip 3 with a hole bulge structure, and the gap between the edge seals 2 of the two sealing end door plate blocks 1 is 15 +/-5 mm.
As shown in FIG. 6, the steel end of this application seals door top and bottom contact surface and is the rubber strip 4 of the porous gradual change structure of wedge, have arch and the recess of crisscross setting on the wedge face of rubber strip, groove department is provided with water inflation rubber block 9, and water inflation rubber block 9 meets water inflation multiplying power and is about 3 times, and water inflation rubber block 9 highly is not higher than the bulge of rubber strip, the banding 2 of end-capping door plant piece 1 is 15 +/-5 mm with immersed tube clearance.
As shown in fig. 7 to 8, the mounting support 5 is a small steel support 5 installed on the top plate 12 of the immersed tube and the bottom sleeper beam through embedded bolts 10 for fixing the top and bottom of the end-sealed door.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the utility model may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the utility model is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.
Claims (8)
1. The utility model provides a non-welding assembled steel end of immersed tube tunnel seals door which characterized in that includes: the sealing device comprises a sealing end door plate, a sealing edge, a rubber strip and a support;
the sealing door plate is characterized in that the periphery of the sealing door plate is surrounded by steel plates to form a sealing edge, inwards concave grooves are formed in the surfaces, opposite to the wall surface of the immersed tube, of the sealing edge, rubber strips are installed in the grooves, the grooves and the rubber strips are fixed through glue layers, and the sealing door plate is fixed with the immersed tube through a support.
2. The weldless assembled steel end closure for immersed tube tunnel of claim 1, wherein the end closure door panel block comprises a panel, a cross rib and a vertical beam;
one of them side of panel is provided with a plurality of horizontal ribs and a plurality of perpendicular roof beam, the side that the panel was equipped with horizontal rib and perpendicular roof beam is located the inner face of immersed tube, another side relative with horizontal rib, perpendicular roof beam on the panel is located the outside that immersed tube and water contacted.
3. The assembly type steel end sealing door without welding for immersed tube tunnel of claim 2, wherein the support is fixed on the immersed tube top plate and the immersed tube bottom sleeper beam by pre-buried bolts, and the support is fixed with the vertical beam of the end sealing door plate block by connecting bolts.
4. The assembly type steel end sealing door without welding for the immersed tube tunnel according to claim 2, wherein the sealing edges at the top and the bottom of the sealing door plate block have a wedge-shaped inward slope with an angle of 1:3 to 1: 5.
5. The assembly type steel end sealing door without welding for the immersed tube tunnel of claim 4, wherein the sealing edges of two side surfaces of the sealing door plate block are provided with wedge-shaped inward inclined surfaces with an angle of 1: 3-1: 5.
6. The non-welding assembled steel end sealing door for immersed tube tunnel according to claim 4 or 5, wherein the rubber strips on the sealing edges of two side surfaces of the sealing door plate block are of a perforated convex structure.
7. The non-welding assembled steel end sealing door for immersed tube tunnel according to claim 4 or 5, wherein the rubber strips on the sealing edges at the top and bottom of the sealing door panel block are of wedge-shaped porous gradual change structure, the wedge-shaped surface of the rubber strips is provided with staggered protrusions and grooves, and the grooves are provided with water-swelling rubber blocks.
8. The assembly type steel end-sealing door for immersed tube tunnel without welding as claimed in claim 2, wherein said panel is a steel plate with a thickness of at least 10mm, said cross rib is a channel steel structure, and said vertical beam is an H-shaped steel structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121677216.3U CN215630135U (en) | 2021-07-22 | 2021-07-22 | Non-welding assembled steel end sealing door for immersed tube tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121677216.3U CN215630135U (en) | 2021-07-22 | 2021-07-22 | Non-welding assembled steel end sealing door for immersed tube tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215630135U true CN215630135U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121677216.3U Active CN215630135U (en) | 2021-07-22 | 2021-07-22 | Non-welding assembled steel end sealing door for immersed tube tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215630135U (en) |
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2021
- 2021-07-22 CN CN202121677216.3U patent/CN215630135U/en active Active
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