CN112031028B - Method for improving installation precision of steel shell water stop sleeve - Google Patents
Method for improving installation precision of steel shell water stop sleeve Download PDFInfo
- Publication number
- CN112031028B CN112031028B CN202010839713.2A CN202010839713A CN112031028B CN 112031028 B CN112031028 B CN 112031028B CN 202010839713 A CN202010839713 A CN 202010839713A CN 112031028 B CN112031028 B CN 112031028B
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- China
- Prior art keywords
- flange plate
- water stop
- stop sleeve
- steel shell
- installation
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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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
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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
- E02D31/06—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 corrosion by soil or water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to the technical field of tunnel construction, in particular to a method for improving the installation precision of a steel shell water stop sleeve, which comprises the following steps: s1, designing and blanking a flange plate, and forming a plurality of mounting holes in the set positions on the cut flange plate; s2, calibrating and installing a positioning line on the flange plate; s3, arranging the water stop sleeve on the flange plate according to the installation positioning line, and arranging the water stop sleeve at the installation hole in a one-to-one correspondence manner with the installation hole; s4, setting a plurality of longitudinal reference positioning lines, and assembling the flange plates according to the longitudinal reference positioning lines. The invention can ensure the installation precision of the steel shell waterstop sleeve and reduce the accumulated error in the assembly process of the flange plate, thereby improving the water tightness of the steel shell immersed tube tunnel end.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a method for improving the installation precision of a steel shell water stop sleeve.
Background
In the steel shell immersed tube tunnel end steel shell waterstop sleeve installation process of submarine tunnel, because waterstop sleeve quantity is many, trompil on the flange board of waterstop sleeve installation need carry out the trompil when the steel sheet unloading, for reducing the construction degree of difficulty, construction organization process requires that the waterstop sleeve installs to the stage before the flange board equipment in advance, but because the manufacturing error of flange board and the accumulative error when the waterstop sleeve is installed, be difficult to carry out accurate installation to the waterstop sleeve, and in polylith flange board assembling process, because only central line reference location, lead to in polylith flange board assembling process, the accumulative error of production is great, thereby lead to the water proofness decline of steel shell immersed tube tunnel end.
Therefore, a method for improving the installation accuracy of the steel shell water stop sleeve is needed to solve the technical problem.
Disclosure of Invention
The invention aims to provide a method for improving the installation precision of a steel shell waterstop sleeve, which can ensure the installation precision of the steel shell waterstop sleeve and reduce accumulated errors in the assembly process of flange plates, thereby improving the water tightness of a steel shell immersed tube tunnel end.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for improving the installation accuracy of a steel shell water stop sleeve comprises the following steps:
s1, designing and blanking a flange plate, arranging a plurality of mounting holes in the set positions on the cut flange plate, and reserving machining allowance at two ends of the flange plate when designing the flange plate;
s2, calibrating and installing a positioning line on the flange plate;
s3, arranging the water stop sleeve on the flange plate according to the installation positioning line, and arranging the water stop sleeve at the installation hole in a one-to-one correspondence manner with the installation hole;
s4, setting a plurality of longitudinal reference positioning lines, and assembling the flange plates according to the longitudinal reference positioning lines.
Further, in step S1, a plurality of the mounting holes are bored in the flange plate by a drilling machine.
Further, the drilling machine is a numerical control drilling machine.
Further, in step S1, a cutting machine is used to blank the steel plate to cut out the designed flange plate.
Further, the cutting machine is a numerical control cutting machine.
Further, in step S3, after the water stop sleeve is mounted, the excess portions at both ends of the flange plate are trimmed.
Further, in step S3, the waterstop sleeve is welded to the flange plate.
Further, the welding position of the water stop sleeve and the flange plate is subjected to water tightness inspection.
Further, in step S4, a rust preventive layer is provided on the surface of the assembled flange plate.
The invention has the beneficial effects that:
according to the method for improving the installation accuracy of the steel shell water stop sleeve, the flange plate is designed, a plurality of installation holes are formed in the flange plate, the installation positioning line is calibrated on the flange plate, and the water stop sleeve is arranged at the installation hole according to the installation positioning line, so that the positioning installation accuracy of the water stop sleeve is improved; and then a plurality of longitudinal reference positioning lines are arranged, and a plurality of flange plates are assembled according to the longitudinal reference positioning lines, so that the use of a single positioning reference line of a central line is avoided, and the accumulated error in the assembling process of the flange plates is reduced. Through the arrangement, the water tightness of the steel shell immersed tube tunnel end is improved.
Drawings
FIG. 1 is a flow chart of a method for improving the installation accuracy of a steel shell water stop sleeve according to the invention.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; 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.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In order to ensure the installation accuracy of the steel shell waterstop sleeve and reduce the accumulated error in the assembly process of the flange plate, thereby improving the water tightness of the tunnel end of the steel shell immersed tube, as shown in fig. 1, the invention provides a method for improving the installation accuracy of the steel shell waterstop sleeve, which comprises the following steps:
s1, designing and blanking a flange plate, and forming a plurality of mounting holes in the set positions on the cut flange plate;
s2, calibrating and installing a positioning line on the flange plate;
s3, arranging the water stop sleeve on the flange plate according to the installation positioning line, and arranging the water stop sleeve at the installation hole in a one-to-one correspondence manner with the installation hole;
and S4, setting a plurality of longitudinal reference positioning lines, and assembling the flange plates according to the longitudinal reference positioning lines. Specifically, in the present embodiment, the longitudinal reference positioning lines include longitudinal reference positioning lines of 10m, 18.3m, and 21.63 m.
The positioning line is calibrated and installed on the flange plate, and the water stop sleeve is arranged at the installation hole according to the installation positioning line, so that the positioning and installation accuracy of the water stop sleeve is improved; and then a plurality of longitudinal reference positioning lines are arranged, and a plurality of flange plates are assembled according to the longitudinal reference positioning lines, so that the use of a single positioning reference line of a central line is avoided, and the accumulated error in the assembling process of the flange plates is reduced. Through the arrangement, the water tightness of the steel shell immersed tube tunnel end is improved.
Further, in step S1, the steel plate is blanked by a cutting machine to cut out the designed flange plate. Specifically, in the present embodiment, the cutting machine is a numerically controlled cutting machine. The numerical control cutting machine can improve the automation degree of machining and reduce manual participation, so that the labor intensity is reduced, and the machining precision of the flange plate can be ensured through numerical control cutting. Of course, in other embodiments, a common cutting machine may be used to machine the steel plate, without limitation.
Further, in step S1, a plurality of mounting holes are drilled in the flange plate by a drilling machine. Through set up the through-hole on the flange board, make things convenient for follow-up installation waterstop sleeve. Specifically, in the present embodiment, the drilling machine is a numerically controlled drilling machine. The automation degree of drilling can be improved by utilizing the numerical control drilling machine tool, so that the construction efficiency is improved, the drilling precision can be ensured, and the mounting precision of a person with a sleeve can be ensured.
Further, in step S3, a waterstop sleeve is welded to the flange plate. Through the welding, guarantee the stability that waterstop sleeve and flange board are connected.
Further, the welding part of the water stop sleeve and the flange plate is subjected to water tightness inspection. The tightness between the water stop sleeve and the flange plate can be judged by checking the water tightness, so that water leakage caused by welding failure can be prevented.
In order to prevent the flange plate from being deformed by heat when the water stop sleeve is welded, and the welded flange plate of the water stop sleeve cannot meet the requirement of the next construction, further, in step S1, when the flange plate is designed, machining allowances need to be left at two ends of the flange plate.
Further, in step S3, after the water stop sleeve is attached, the excess portions at both ends of the flange plate are trimmed. Can be carried out smoothly when guaranteeing to assemble polylith flange plate.
Further, in step S4, a rust preventive layer is provided on the surface of the assembled flange plate. The flange plate is protected from being directly contacted with seawater by arranging the antirust layer, so that the flange plate is protected from being rusted, and the service life of the flange plate is prolonged. Specifically, in this embodiment, the material of the rust preventive layer is glass flake paint. Of course, in other embodiments, other types of rust inhibitive paint may be used, and is not limited herein.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A method for improving the installation accuracy of a steel shell water stop sleeve is characterized by comprising the following steps:
s1, designing and blanking a flange plate, arranging a plurality of mounting holes in the set positions on the cut flange plate, and reserving machining allowance at two ends of the flange plate when designing the flange plate;
s2, calibrating and installing a positioning line on the flange plate;
s3, arranging the water stop sleeve on the flange plate according to the installation positioning line, and arranging the water stop sleeve at the installation hole in a one-to-one correspondence manner with the installation hole;
s4, setting a plurality of longitudinal reference positioning lines, and assembling the flange plates according to the longitudinal reference positioning lines.
2. The method for improving the installation accuracy of the steel shell water stop sleeve according to claim 1, wherein in the step S1, a plurality of installation holes are drilled on the flange plate by a drilling machine.
3. The method of improving the accuracy of installation of a steel shell water stop sleeve according to claim 2, wherein the drilling machine is a numerically controlled drilling machine.
4. The method for improving the installation accuracy of the steel shell water stop sleeve according to claim 1, wherein in the step S1, a cutting machine is used to cut out the designed flange plate by blanking a steel plate.
5. The method for improving the installation accuracy of the steel shell water stop sleeve according to claim 4, wherein the cutting machine is a numerical control cutting machine.
6. The method for improving the installation accuracy of the steel shell water stop sleeve according to claim 1, wherein in the step S3, after the water stop sleeve is installed, the excess parts at the two ends of the flange plate are trimmed and cut.
7. The method of claim 1, wherein the waterstop sleeve is welded to the flange plate in step S3.
8. The method for improving the installation accuracy of the steel shell water stop sleeve according to claim 7, wherein the welding position of the water stop sleeve and the flange plate is subjected to water tightness inspection.
9. The method for improving the installation accuracy of the steel shell water stop sleeve according to claim 1, wherein in the step S4, an anti-rust layer is arranged on the surface of the assembled flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010839713.2A CN112031028B (en) | 2020-08-19 | 2020-08-19 | Method for improving installation precision of steel shell water stop sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010839713.2A CN112031028B (en) | 2020-08-19 | 2020-08-19 | Method for improving installation precision of steel shell water stop sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112031028A CN112031028A (en) | 2020-12-04 |
| CN112031028B true CN112031028B (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010839713.2A Active CN112031028B (en) | 2020-08-19 | 2020-08-19 | Method for improving installation precision of steel shell water stop sleeve |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203782747U (en) * | 2013-12-30 | 2014-08-20 | 上海市隧道工程轨道交通设计研究院 | Pressing part system used for immersed tube tunnel GINA water-stop |
| WO2015169707A2 (en) * | 2014-05-06 | 2015-11-12 | Trelleborg Ridderkerk B.V. | Method for producing a construction element, in particular a tunnel element, having a watertight seal |
| CN207130770U (en) * | 2017-08-30 | 2018-03-23 | 中交公路规划设计院有限公司 | One-shot forming L-type end box hat structure construction |
-
2020
- 2020-08-19 CN CN202010839713.2A patent/CN112031028B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203782747U (en) * | 2013-12-30 | 2014-08-20 | 上海市隧道工程轨道交通设计研究院 | Pressing part system used for immersed tube tunnel GINA water-stop |
| WO2015169707A2 (en) * | 2014-05-06 | 2015-11-12 | Trelleborg Ridderkerk B.V. | Method for producing a construction element, in particular a tunnel element, having a watertight seal |
| CN207130770U (en) * | 2017-08-30 | 2018-03-23 | 中交公路规划设计院有限公司 | One-shot forming L-type end box hat structure construction |
Non-Patent Citations (4)
| Title |
|---|
| 大跨径全栓接斜拉桥制作技术;周军红等;《焊接技术》;20180930(第09期);第4节 * |
| 沉管隧道端钢壳制造及安装精度控制研究;宋神友等;《中国水运(下半月)》;20200731(第07期);第二-三节 * |
| 管节接头OMEGA止水带安装工艺;周建民等;《中国港湾建设》;20161231(第07期);全文 * |
| 预制沉管大型预埋件精确安装技术;李凯凯等;《中国港湾建设》;20151231(第11期);全文 * |
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| CN112031028A (en) | 2020-12-04 |
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Effective date of registration: 20230413 Address after: No.18, QIHANG Road, Longxue street, Nansha District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Shipyard International Co.,Ltd. Patentee after: GUANGDONG PROVINCIAL HIGHWAY CONSTRUCTION Co.,Ltd. Address before: No.18, QIHANG Road, Longxue street, Nansha District, Guangzhou City, Guangdong Province Patentee before: Guangzhou Shipyard International Co.,Ltd. |
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