CN114622597A - Connecting structure of fittings of steel shell concrete immersed tube tunnel and construction method of connecting structure - Google Patents
Connecting structure of fittings of steel shell concrete immersed tube tunnel and construction method of connecting structure Download PDFInfo
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- CN114622597A CN114622597A CN202210198958.0A CN202210198958A CN114622597A CN 114622597 A CN114622597 A CN 114622597A CN 202210198958 A CN202210198958 A CN 202210198958A CN 114622597 A CN114622597 A CN 114622597A
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- fitting
- support
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 49
- 239000010959 steel Substances 0.000 title claims abstract description 49
- 239000004567 concrete Substances 0.000 title claims abstract description 28
- 238000010276 construction Methods 0.000 title abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000003351 stiffener Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/063—Tunnels submerged into, or built in, open water
- E02D29/073—Tunnels or shuttering therefor assembled from sections individually sunk onto, or laid on, the water-bed, e.g. in a preformed trench
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to the technical field of immersed tube tunnels, in particular to a connecting structure of steel shell concrete immersed tube tunnel outfitting parts and a construction method thereof. The connection structure of the outfitting parts of the steel shell concrete immersed tunnel is used for connecting the outfitting parts with immersed tube pipe joints; the connection structure comprises a support connecting piece, one side of the support connecting piece is connected with the pipe joint steel shell panel in a welding mode, and the other side of the support connecting piece is detachably connected with the outfitting piece. Through the setting of support connecting piece, when guaranteeing fitting-out spare repeatedly usable, the dismouting is convenient, avoided trompil on the box hat panel to establish pre-buried bolt, ensured the whole water-proof effects and the durability of box hat panel.
Description
Technical Field
The invention relates to the technical field of immersed tube tunnels, in particular to a connecting structure of steel shell concrete immersed tube tunnel outfitting parts and a construction method thereof.
Background
The immersed tube pipe joint is connected with each outfitting piece arranged on the pipe top through a cable in the floating transportation process. At present, the built and under-construction pipe tunnels in China mostly adopt a reinforced concrete structure form, and as shown in fig. 1, each outfitting piece 1 'is mostly connected with an embedded piece of which the bottom is composed of an anchor plate and an anchor bolt 3'.
Due to the special structural form of the steel shell concrete immersed tube tunnel, the steel shell panel and the concrete form a combined structure to bear force together, and the steel shell panel 2' is used as a tube joint to be waterproof permanently and needs to ensure water tightness. The fitting-out piece on the pipe top is mostly a reusable component, so the fitting-out piece on water and underwater dismantling are convenient, if a conventional connection form is still adopted, an anchor bolt configured according to the stress condition of the fitting-out piece needs to penetrate through a steel shell panel, a water seepage channel is easily formed, and leakage is caused, the corrosion of a steel shell structure is caused, and the potential safety hazard of the structure is caused.
Disclosure of Invention
The first purpose of the invention is to provide a fitting-out part connecting structure of a steel shell concrete immersed tunnel, which can solve the problems that the existing fitting-out part connecting structure is easy to form a water seepage channel, cause seepage and cause corrosion of a steel shell structure to cause potential safety hazards of the structure;
a second object of the present invention is to provide a method for constructing an outfitting connection structure of a steel shell concrete immersed tunnel, which is used for the construction of the connection structure.
The invention provides a fitting-out part connecting structure of a steel shell concrete immersed tunnel, wherein the connecting structure is used for connecting the fitting-out part with an immersed tube joint;
the connection structure comprises a support connecting piece, one side of the support connecting piece is connected with the pipe joint steel shell panel in a welding mode, and the other side of the support connecting piece is detachably connected with the outfitting piece.
Preferably, the support connecting piece comprises a support top plate, a ribbed plate and a stiffening plate.
Preferably, the height of the support connecting piece meets the requirements of installation and disassembly operation space of the outfitting piece.
The rib plate and the stiffening plate are welded on the same side of the support top plate;
the rib plate, the stiffening plate and the steel shell panel are connected in a welding mode, and the outfitting piece is detachably connected with the support top plate.
Preferably, the rib plate, the stiffening plate and the steel shell panel are welded in a groove welding mode and watertight.
Preferably, the outfitting piece is connected with the support top plate through a stud bolt.
Preferably, a bolt dismounting space exists between the rib plate and the stiffening plate, and bolt holes are formed in the positions, corresponding to the dismounting space, of the top plate of the support.
Preferably, the support top plate is provided with a first rib plate and a second rib plate which are longitudinally distributed and transversely distributed, and the first rib plate and the second rib plate are arranged in a crossed manner according to the arrangement of bolts.
Preferably, a plurality of stiffening plates which are uniformly distributed are arranged along the circumferential direction of the support top plate, and the stiffening plates are perpendicular to the longitudinal rib plates or the transverse second rib plates.
Preferably, the top plate, the rib plate, the stiffening plate and the steel shell panel of the support adopt the same anticorrosion technology.
A construction method of a connection structure of steel shell concrete immersed tunnel outfitting parts is used for the construction of the connection structure of the steel shell concrete immersed tunnel outfitting parts, and comprises the following steps:
arranging a support top plate, and reserving an outfitting bolt hole on the top plate;
arranging longitudinal and transverse rib plates and stiffening plates on the top plate of the support according to the positions of the bolt holes;
the top plate of the support and the steel shell panel are connected by a rib plate and a stiffening plate groove by welding;
carrying out the same anticorrosion measures as the steel shell panel on the support top plate, the rib plate and the stiffening plate;
when the outfitting is installed, the outfitting is directly connected with the top plate of the support connecting piece through bolts.
Has the advantages that:
through the setting of support connecting piece, the support connecting piece is connected through the welded mode with the box hat panel, dismantles with the fitting-out and is connected, when guaranteeing fitting-out repeatedly usable, the dismouting is convenient, has avoided trompil to establish pre-buried bolt on the box hat panel, has guaranteed the whole water-proof effects and the durability of box hat panel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an outfitting connection form in the prior art;
fig. 2 is a general diagram of an outfitting connection structure according to an embodiment of the present invention;
fig. 3 is a side view of an outfitting support connector according to an embodiment of the present invention;
fig. 4 is a top view of an outfitting support connector according to an embodiment of the present invention.
Description of reference numerals:
1': fitting-out parts; 2': a steel shell panel; 3': an anchor bolt;
1: fitting-out parts; 2: a steel shell panel; 3: a support connection member;
31: a support top plate; 32: a first rib plate; 33: a stiffening plate; 34: a gasket; 35: a stud bolt; 36: a hexagonal head nut; 37: a second rib.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 2 to 4, the present embodiment provides a connection structure of an outfit 1 of a steel-shell concrete immersed tunnel, which is used for connecting the outfit 1 with immersed tube joints.
The connection structure comprises a support connecting piece 3, one side of the support connecting piece 3 is connected with the pipe joint steel shell panel 2 in a welding mode, and the other side of the support connecting piece is detachably connected with the outfitting piece 1.
The steel shell of the steel shell concrete immersed tube tunnel comprises a top plate, a bottom plate and side walls, wherein the top plate, the bottom plate and the side wall surfaces are mainly composed of inner and outer panels, transverse and longitudinal partition plates, transverse and longitudinal stiffening ribs and welding nails. The support connecting piece 3 is connected with the steel shell panel 2, and means that the support connecting piece 3 is connected with the steel shell outer panel of the top plate. That is, the present embodiment is only an improvement of the connection manner between the outfitting 1 and the pipe joint, and the structure, the number of installation, and the installation position of the outfitting 1 are the same as those of the prior art.
In this embodiment, through the setting of support connecting piece, the support connecting piece is connected through the welded mode with box hat panel 2, dismantles with outfitting 1 and is connected, when guaranteeing that outfitting 1 reuse, dismouting are convenient, has avoided trompil on box hat panel 2 to establish pre-buried bolt, has ensured whole water-proof effects and the durability of box hat panel 2.
In the present embodiment, a specific structural form of the seat connecting member is provided, specifically as follows:
the holder connection member 3 includes a holder top plate 31, a first rib 32, a second rib 37, and a stiffener plate 33. The first rib 32, the second rib 37, and the stiffener plate 33 are welded to the same side of the holder top plate 31.
The first rib plate 32, the second rib plate 37 and the stiffening plate 33 are connected with the steel shell panel 2 in a welding mode, and the outfitting piece 1 is detachably connected with the support top plate 31.
Specifically, the support top plate 31 and the steel shell panel 2 are connected by a first rib plate 32, a second rib plate 37 and a stiffening plate 33 through groove welding, and it should be noted that: the first rib plate 32, the second rib plate 37, the stiffening plate 33 and the steel shell panel 2 are connected in a welding mode, so that a water seepage channel cannot be formed, and the leakage risk is avoided.
The support connecting piece 3 composed of the support top plate 31, the first rib plate 32, the second rib plate 37 and the stiffening plate 33 can ensure self bearing capacity and simultaneously transmit the load of the outfitting 1 to the steel shell concrete structure.
The outfitting 1 is connected with the support top plate 31 through bolts, and has the advantage of convenient installation and disassembly.
Bolt dismounting spaces exist among the first rib plates 32, the second rib plates 37 and the stiffening plates 33, and bolt holes are formed in the positions, corresponding to the dismounting spaces, of the support top plate 31.
The outfitting 1 is connected with the support top plate 31 through bolts. The bolting system comprises a washer 34, a stud 35, a hex head nut 36.
The support top plate 31 is provided with a first rib 32 distributed longitudinally and a second rib 37 distributed transversely, and the first rib 32 and the second rib 37 are arranged crosswise.
A plurality of stiffening plates 33 are uniformly distributed along the circumference of the support top plate 31, and the stiffening plates 33 are arranged perpendicular to the longitudinal first rib plates 32 or the transverse second rib plates 37.
In the carrier connecting member manufacturing process, bolt holes are first provided in the carrier top plate 31, and then the positions of the first and second ribs 32, 37 and the stiffener plates 33 are set according to the bolt holes. Specifically, the arrangement of the first rib 32, the second rib 37, and the stiffener plate 33 is determined according to the bolt hole position, the space required for bolt attachment and detachment, and the bolt load.
The support top plate 31, the first rib plate 32, the second rib plate 37 and the stiffening plate 33 adopt the same anticorrosion technology as the steel shell panel 2, and the anticorrosion performance of the support top plate 31, the first rib plate 32, the second rib plate 37 and the stiffening plate 33 can be improved.
In the present embodiment, there is also provided a method for constructing a connection structure of a shell-and-concrete sinking tunnel fitting-out 1, the method being used for constructing the connection structure of the shell-and-concrete sinking tunnel fitting-out 1 as described above, and including the steps of:
(1) arranging a support top plate 31 on which bolt holes of the outfitting part 1 are reserved;
(2) the support top plate 31 and the steel shell panel 2 are connected through a first rib plate 32, a second rib plate 37 and a stiffening plate 33 in a groove welding mode, and the load of the outfitting 1 is transferred to the steel shell concrete structure through the support top plate 31, the first rib plate 32, the second rib plate 37 and the stiffening plate 33;
(3) the arrangement of the first rib plate 32, the second rib plate 37 and the stiffening plate 33 is determined according to the positions of bolt holes, the space required by bolt assembly and disassembly and the load of bolts;
(4) the anticorrosion measures of the support top plate 31, the first rib plate 32, the second rib plate 37 and the stiffening plate 33 are the same as those of the steel shell panel 2;
(5) when the outfitting piece 1 is installed, the outfitting piece is directly connected with the support connecting piece 3 and the top plate steel shell panel 2 through bolts, the outfitting piece 1 can be repeatedly used and is convenient to disassemble and assemble, the pre-embedded bolts are prevented from being drilled on the steel shell panel 2, and the whole waterproof effect and the durability of the steel shell panel 2 are ensured.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A fitting-out part connecting structure of a steel shell concrete immersed tunnel is characterized in that the connecting structure is used for connecting the fitting-out part with immersed tube pipe joints;
the connection structure comprises a support connecting piece, one side of the support connecting piece is connected with the pipe joint steel shell panel in a welding mode, and the other side of the support connecting piece is detachably connected with the outfitting piece.
2. The fitting-out connection structure for the steel shell concrete immersed tunnel according to claim 1, wherein the support connecting piece comprises a support top plate, a rib plate and a stiffening plate;
the rib plate and the stiffening plate are welded on the same side of the support top plate;
the rib plate, the stiffening plate and the steel shell panel are connected in a welding mode, and the outfitting piece is detachably connected with the support top plate.
3. The fitting-out connection structure for the steel shell concrete immersed tube tunnel according to claim 2, wherein the fitting-out is connected with the support top plate through bolts.
4. The fitting-out connection structure of the steel-shell concrete immersed tube tunnel according to claim 3, wherein a bolt dismounting space is formed between the rib plate and the stiffening plate, and a bolt hole is formed in a position, corresponding to the dismounting space, of the support top plate.
5. The fitting-out connection structure of the steel-shell concrete immersed tube tunnel according to claim 3, wherein the fitting-out is connected with the support top plate through a stud bolt.
6. The fitting-out connection structure of the steel-shell concrete immersed tube tunnel according to claim 2, wherein a first rib plate and a second rib plate are longitudinally distributed and transversely distributed on the top plate of the support, and the first rib plate and the second rib plate are arranged in a crossing manner.
7. The fitting-out connection structure of the steel-shell concrete immersed tube tunnel according to claim 2, wherein a plurality of stiffening plates are uniformly distributed along the circumferential direction of the support top plate, and the stiffening plates are perpendicular to the first longitudinal rib plates or the second transverse rib plates.
8. The fitting-out connection structure of the steel-shell concrete immersed tube tunnel according to claim 2, wherein the top plate, the rib plate and the stiffening plate of the support and the steel-shell panel adopt the same anticorrosion technology.
9. The fitting-out connection structure of the steel-shell concrete immersed tube tunnel according to claim 2, wherein the rib plates, the stiffening plates and the steel-shell face plates are connected through groove welding.
10. A method for constructing a fitting-out connection structure of a steel shell concrete immersed tunnel according to any one of claims 1 to 9, comprising the steps of:
arranging a support top plate, and reserving an outfitting bolt hole on the top plate;
arranging rib plates and stiffening plates according to the positions of the bolt holes;
the top plate of the support and the steel shell panel are connected by a rib plate and a stiffening plate groove by welding;
carrying out the same anti-corrosion measures as the steel shell panel on the support top plate, the rib plate and the stiffening plate;
when the outfitting is installed, the outfitting is directly connected with the top plate of the support connecting piece through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210198958.0A CN114622597B (en) | 2022-03-02 | 2022-03-02 | Steel shell concrete immersed tube tunnel outfitting piece connection structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210198958.0A CN114622597B (en) | 2022-03-02 | 2022-03-02 | Steel shell concrete immersed tube tunnel outfitting piece connection structure and construction method thereof |
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| Publication Number | Publication Date |
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| CN114622597A true CN114622597A (en) | 2022-06-14 |
| CN114622597B CN114622597B (en) | 2024-07-30 |
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| JP2008082052A (en) * | 2006-09-28 | 2008-04-10 | Osamu Kiyomiya | Mounting structure of interior panel on internal surface of steel shell submerged tunnel |
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2022
- 2022-03-02 CN CN202210198958.0A patent/CN114622597B/en active Active
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| CN114622597B (en) | 2024-07-30 |
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