CN115045316B - M type waterstop sag prevention device - Google Patents
M type waterstop sag prevention device Download PDFInfo
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- CN115045316B CN115045316B CN202210971063.6A CN202210971063A CN115045316B CN 115045316 B CN115045316 B CN 115045316B CN 202210971063 A CN202210971063 A CN 202210971063A CN 115045316 B CN115045316 B CN 115045316B
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- steel
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- immersed tube
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D25/00—Joining caissons, sinkers, or other units to each other under water
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- 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
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- 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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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Revetment (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention relates to an M-shaped water stop anti-sagging device, which comprises a plurality of steel sleeves pre-embedded in a prefabricated expansion section of a immersed tube, wherein steel rods penetrate through the steel sleeves, and one ends of the steel rods penetrating through the steel sleeves are fixedly provided with universal hinged supports; still include the steel pin that corresponds vertical setting with the steel pole, the steel pin top is fixed in immersed tube prefabrication and is released section bottom, and steel pin lower extreme is connected fixedly with the steel pole. The steel bar is arranged at the lower end of the side wall of the steel stop lever in a penetrating mode, connecting plates are welded on two sides of the steel bar penetrating through the steel stop lever, and the connecting plates are fixed on the side wall of the steel stop lever through first bolts. The bottom of the immersed tube prefabricated push-out section is welded with an embedded plate corresponding to the steel stop rod, the top of the steel stop rod is welded with a connecting base plate, and the connecting base plate is fixed on the embedded plate through a second bolt. The invention can correct the drooping phenomenon of the M-shaped water stop in the stretching process, thereby effectively improving the installation precision; the structure form is simple, the height and the telescopic length can be adjusted, the device can be repeatedly used, the installation is convenient, and the operation is easy.
Description
Technical Field
The invention relates to the technical field of underwater 'preset push-out type' steel shell immersed tube tunnel laying, in particular to an M-shaped water stop anti-sagging device.
Background
When the underwater 'preset push-out' steel shell immersed tube tunnel is in construction operation, a standard tube section immersed tube tunnel is paved from two banks of a river channel to the middle at the same time, a sleeve is arranged at the bow end of the last tube section to be immersed, a 'preset push-out' final joint is placed in the sleeve, and an M-shaped water stop belt is arranged on the final joint along one circle of the cross section and used for preventing water when the tube section is installed in an immersed tube. The cross section thickness of the M-shaped water stop is 5mm, the perimeter is 110.5M, the overhanging length is about 2.5M, the M-shaped water stop generates larger deformation in the self-weight action and stretching process, thereby bringing hidden troubles to the use process of the M-shaped water stop and mainly comprising the following steps: 1. the deformation of the water stop belt causes difficulty in installation, influences the installation precision and reduces the water stopping capability; 2. the water stop belt is subjected to sagging deformation, so that the water stop belt and a tunnel foundation bed are abraded, and the risk of breakage and failure of the water stop belt exists; 3. influenced by water flow in the floating transportation process in the immersed tube sea, the sagging deformation of the water stop can increase resistance and increase the tearing risk of the water stop.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides an M-shaped water stop anti-sagging device.
In order to achieve the purpose, the invention adopts the following technical scheme:
an M-shaped water stop anti-sagging device comprises a plurality of steel sleeves pre-embedded in a immersed tube prefabricated expanding section, wherein steel rods are movably connected in the steel sleeves in a penetrating manner, one ends of the steel rods penetrating into the steel sleeves are fixedly provided with universal hinged supports, and the universal hinged supports move in the steel sleeves along with the expansion of the steel rods; still include the steel pin that corresponds vertical setting with the steel pole, the steel pin top is fixed in immersed tube prefabrication and is released section bottom, and steel pin lower extreme is connected fixedly with the steel pole.
The steel bar is arranged at the lower end of the side wall of the steel stop lever in a penetrating mode, connecting plates are welded on two sides of the steel bar penetrating through the steel stop lever, and the connecting plates are fixed on the side wall of the steel stop lever through first bolts.
The bottom of the immersed tube prefabricated push-out section is welded with an embedded plate corresponding to the steel stop rod, the top of the steel stop rod is welded with a connecting base plate, and the connecting base plate is fixed on the embedded plate through a second bolt.
And a plurality of reinforcing plates are welded on the side wall of the steel sleeve in the immersed tube prefabricated expansion section.
The steel stop lever, the connecting plate, the embedded plate and the connecting base plate are of round chamfer structures.
The number of the steel sleeves is 18, the transverse distance between two adjacent steel sleeves is 2400mm, the length of each steel sleeve is 2200mm, the outer diameter of each steel sleeve is 168mm, and the thickness of each steel sleeve is 12mm.
The steel rod is located 700mm below the immersed tube prefabricated push-out section, and the diameter of the steel rod is 89mm.
The steel stop rod adopts H-shaped steel, and the dimensions of the H-shaped steel are 250mm multiplied by 12mm.
The size of the embedded plate is 360mm multiplied by 410mm multiplied by 30mm, and the distance between the edge of the embedded plate and the edge of the bottom of the immersed tube prefabricated push-out section is 50mm; the size of the connecting pad is 360mm multiplied by 410mm multiplied by 16mm; the dimensions of the connecting plate were 240mm by 250mm by 10mm.
The model of the first bolt and the second bolt is M16mm.
The invention has the beneficial effects that: the invention can correct the drooping phenomenon of the M-shaped water stop in the stretching process, thereby effectively improving the installation precision; the structure form is simple, the height and the telescopic length can be adjusted, the device can be used repeatedly, the installation is convenient, and the operation is easy; can form the integrated design of the steel shell immersed tube section, provides design ideas for similar projects in the future, and has popularization.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a steel sleeve embedded in a prefabricated expansion section of the immersed tube;
FIG. 3 is a schematic view of the connection of a steel rod and a steel stopper rod;
FIG. 4 is a schematic view of the connection between the steel stop rod and the bottom of the prefabricated push-out section of the immersed tube;
in the figure: 1-prefabricating an enlarged section of the immersed tube; 2-a steel sleeve; 3-a steel rod; 4-universal hinged support; 5-a steel stop lever; 6-prefabricating a push-out section of the immersed tube; 7-a connecting plate; 8-a first bolt; 9-pre-embedded plates; 10-connecting the backing plate; 11-a second bolt; 12-a reinforcement plate; 13-M type waterstops;
the following detailed description refers to the accompanying drawings that illustrate embodiments of the invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1 to 4, the anti-sagging device for the M-shaped water stop comprises a plurality of telescopic assemblies consisting of a steel sleeve 2, a steel rod 3 and a steel stop rod 5, can adapt to deformation caused by various factors, and is used for supporting the M-shaped water stop 13 above.
The steel sleeve 2 is uniformly arranged at a transverse distance of 2400mm, the total number of the steel sleeves is 18, or the distance is reasonably adjusted according to the deformation condition, so that the process requirement is met.
A steel rod 3 is movably connected in the steel sleeve 2 in a penetrating manner, a universal hinged support 4 is fixedly arranged at one end of the steel rod 3 penetrating the steel sleeve 2, and the universal hinged support 4 moves in the steel sleeve 2 along with the expansion and contraction of the steel rod 3; still include the steel pin 5 that corresponds vertical setting with steel pole 3, the prefabricated release section 6 bottoms in immersed tube are fixed at 5 tops of steel pin, and 5 lower extremes of steel pin are connected fixedly with steel pole 3.
The bottom of the immersed tube prefabricated push-out section 6 is welded with an embedded plate 9 corresponding to the steel stop rod 5, the top of the steel stop rod 5 is welded with a connecting base plate 10, and the connecting base plate 10 is fixed on the embedded plate 9 through a second bolt 11.
A plurality of reinforcing plates 12 are welded on the side wall of the steel sleeve 2 in the immersed tube prefabricated expanding section 1.
The steel stop lever 5, the connecting plate 7, the embedded plate 9 and the connecting base plate 10 are in a round chamfer structure.
The steel sleeve 2 has a length of 2200mm, an outer diameter of 168mm and a thickness of 12mm.
The steel rod 3 is located 700mm below the immersed tube prefabrication push-out section 6, and the diameter of the steel rod 3 is 89mm.
The steel stop lever 5 adopts H-shaped steel, and the dimensions of the H-shaped steel are 250mm multiplied by 12mm.
The size of the pre-embedded plate 9 is 360mm multiplied by 410mm multiplied by 30mm, and the distance between the edge of the pre-embedded plate 9 and the edge of the bottom of the immersed tube prefabricated push-out section 6 is 50mm; the size of the connecting backing plate 10 is 360mm multiplied by 410mm multiplied by 16mm; the dimensions of the connection plate 7 are 240mm x 250mm x 10mm.
The model of the first bolt 8 and the second bolt 11 is M16mm.
When the section 6 is released in the prefabrication of immersed tube, drive steel pole 3 by steel pin 5 that links to each other with it and can stretch out in steel sleeve 2, steel pole 3, steel pin 5 can form the protection to M type waterstop 13 to steel pole 3, prevent that M type waterstop 13 from drooping, steel pole 3 freely stretches out and draws back in steel sleeve 2, the setting of universal hinge support 4, the side direction skew that the M type waterstop 13 can adapt to the pipe coupling and extrapolate the in-process and produce, correct the displacement change of M type waterstop 13.
The invention can effectively organize the disturbance of aquatic organisms by brushing the protective layer and avoid the damage of marine organisms to the M-shaped water stop belt 13.
The invention can be used in water, is also suitable for scientific research and analysis of test sites, can be applied to the fields of machinery, ship manufacturing and the like by combining working conditions, and has wide application range.
The present invention has been described in detail with reference to the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments, and that various modifications made by the method and technical solution of the present invention or without any modification may be applied to other fields.
Claims (6)
1. The M-shaped water stop anti-sagging device is characterized by comprising a plurality of steel sleeves (2) pre-embedded in a immersed tube prefabricated expanding section (1), wherein steel rods (3) are movably connected in the steel sleeves (2) in a penetrating manner, one ends of the steel rods (3) penetrating into the steel sleeves (2) are fixedly provided with universal hinged supports (4), and the universal hinged supports (4) move in the steel sleeves (2) along with the expansion and contraction of the steel rods (3); the device is characterized by further comprising a steel stop rod (5) vertically arranged corresponding to the steel rod (3), the top of the steel stop rod (5) is fixed to the bottom of the immersed tube prefabricated push-out section (6), the steel rod (3) penetrates through the lower end of the side wall of the steel stop rod (5), connecting plates (7) are welded to the two sides, penetrating out of the steel stop rod (5), of the steel rod (3), and the connecting plates (7) are fixed to the side wall of the steel stop rod (5) through first bolts (8); the bottom of the immersed tube prefabricated push-out section (6) is welded with an embedded plate (9) corresponding to the steel stop rod (5), the top of the steel stop rod (5) is welded with a connecting base plate (10), and the connecting base plate (10) is fixed on the embedded plate (9) through a second bolt (11);
the number of the steel sleeves (2) is 18, the transverse distance between every two adjacent steel sleeves (2) is 2400mm, the length of each steel sleeve (2) is 2200mm, the outer diameter of each steel sleeve is 168mm, and the thickness of each steel sleeve is 12mm;
the steel rod (3) is located 700mm below the immersed tube prefabricated push-out section (6), and the diameter of the steel rod (3) is 89mm.
2. The M-shaped water stop anti-sagging device according to claim 1, wherein a plurality of reinforcing plates (12) are welded to the side wall of the steel sleeve (2) in the immersed tube prefabricated expanding section (1).
3. The M-shaped water stop anti-sagging device according to claim 2, wherein the steel retaining rod (5), the connecting plate (7), the embedded plate (9) and the connecting backing plate (10) are in a round chamfer structure.
4. The M-shaped water stop anti-sagging device according to claim 3, characterized in that the steel stop rod (5) is H-shaped steel and the dimensions of the H-shaped steel are 250mm x 12mm.
5. The M-shaped water stop anti-sagging device according to claim 4, wherein the size of the pre-embedded plate (9) is 360mm x 410mm x 30mm, and the distance from the edge of the pre-embedded plate (9) to the bottom edge of the immersed tube prefabrication push-out section (6) is 50mm; the size of the connecting backing plate (10) is 360mm multiplied by 410mm multiplied by 16mm; the size of the connecting plate (7) is 240mm multiplied by 250mm multiplied by 10mm.
6. An M-shaped water stop anti-sagging device according to claim 5, characterized in that the first bolt (8) and the second bolt (11) are M16mm in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210971063.6A CN115045316B (en) | 2022-08-15 | 2022-08-15 | M type waterstop sag prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210971063.6A CN115045316B (en) | 2022-08-15 | 2022-08-15 | M type waterstop sag prevention device |
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| Publication Number | Publication Date |
|---|---|
| CN115045316A CN115045316A (en) | 2022-09-13 |
| CN115045316B true CN115045316B (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210971063.6A Active CN115045316B (en) | 2022-08-15 | 2022-08-15 | M type waterstop sag prevention device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700541A (en) * | 2017-08-31 | 2018-02-16 | 中交四航局第二工程有限公司 | M shape waterstop protection devices and installation method |
| CN108240001A (en) * | 2018-01-29 | 2018-07-03 | 中交第航务工程局有限公司 | Immersed tube tunnel final connector and its docking construction method |
| CN114000543A (en) * | 2021-11-15 | 2022-02-01 | 中交第一航务工程局有限公司 | Construction method of annular water stop |
| CN216446038U (en) * | 2021-12-23 | 2022-05-06 | 中交第一航务工程局有限公司 | Water stop protection device for final joint of immersed tunnel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447784A (en) * | 2017-08-30 | 2017-12-08 | 中交公路规划设计院有限公司 | A kind of prestressed pipe merism and its construction method |
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2022
- 2022-08-15 CN CN202210971063.6A patent/CN115045316B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700541A (en) * | 2017-08-31 | 2018-02-16 | 中交四航局第二工程有限公司 | M shape waterstop protection devices and installation method |
| CN108240001A (en) * | 2018-01-29 | 2018-07-03 | 中交第航务工程局有限公司 | Immersed tube tunnel final connector and its docking construction method |
| CN114000543A (en) * | 2021-11-15 | 2022-02-01 | 中交第一航务工程局有限公司 | Construction method of annular water stop |
| CN216446038U (en) * | 2021-12-23 | 2022-05-06 | 中交第一航务工程局有限公司 | Water stop protection device for final joint of immersed tunnel |
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| Publication number | Publication date |
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| CN115045316A (en) | 2022-09-13 |
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