CN112222658B - Embedded grotto building method - Google Patents
Embedded grotto building method Download PDFInfo
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- CN112222658B CN112222658B CN202011045445.3A CN202011045445A CN112222658B CN 112222658 B CN112222658 B CN 112222658B CN 202011045445 A CN202011045445 A CN 202011045445A CN 112222658 B CN112222658 B CN 112222658B
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- cavern
- welding
- embedded
- coamings
- inner panel
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000003466 welding Methods 0.000 claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims 3
- 238000005520 cutting process Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
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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
Abstract
The invention belongs to the technical field of immersed tube tunnel manufacturing, and discloses an embedded cavern building method, which comprises the steps of designing a three-dimensional design model of a cavern by using three-dimensional software; manufacturing a bottom plate and a plurality of coamings which enclose a cavern according to the three-dimensional design model; spot welding a plurality of coamings to the bottom plate in sequence; welding adjacent coamings; fully welding the welding line between the enclosing plate and the bottom plate to obtain a cavity plate group; and placing the cavity plate group into an installation opening of an inner panel of the steel shell, and sequentially welding a plurality of coamings to the inner panel. The embedded cavern building method provided by the invention can avoid the condition of repairing and cutting the structure due to clamping, is not easy to deform in welding, and effectively improves the building efficiency.
Description
Technical Field
The invention belongs to the technical field of immersed tube tunnel manufacturing, and particularly relates to an embedded cavern building method.
Background
A large number of reserved embedded parts are arranged in the immersed tube tunnel, and special cavern structures are arranged for large-scale reserved embedded equipment, such as fire hydrant fire extinguisher embedded caverns, dual-wavelength embedded caverns, smoke exhaust tube embedded caverns, jet fan embedded caverns, lane control sign embedded caverns, safety door caverns and the like, and all the cavern structures are embedded structures.
In the traditional cavern building method, the welding of the side plates and the bottom plate of the cavern is easy to deform, and in the process of installing the cavern group plates on the steel shell, the cavern group plates are easily clamped with the inner panel of the steel shell, and the size of the cavern group plates needs to be repaired and cut, so that the installation efficiency is low.
Therefore, a method for constructing an embedded cavern is needed to solve the above technical problems.
Disclosure of Invention
The invention aims to provide an embedded grotto building method which avoids the situation that a structure is trimmed and cut due to clamping, is not easy to deform in welding and effectively improves the building efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
an embedded cavern building method comprises the following steps:
designing a three-dimensional design model of the cavern by using three-dimensional software;
manufacturing a bottom plate and a plurality of coamings which enclose a cavern according to the three-dimensional design model;
spot welding a plurality of coamings to the bottom plate in sequence;
welding adjacent coamings;
fully welding the welding line between the enclosing plate and the bottom plate to obtain a cavity plate group;
and placing the cavity plate group into an installation opening of an inner panel of the steel shell, and sequentially welding a plurality of coamings to the inner panel.
Preferably, the designing a three-dimensional design model of the cavern by using three-dimensional software includes:
designing a cavern model by using three-dimensional software, and assembling the cavern model into a three-dimensional model of a steel shell of the immersed tube tunnel to obtain the size deviation of the cavern model and the three-dimensional model;
and adjusting the size of the cavern model according to the size deviation to obtain a final three-dimensional design model.
Preferably, before the welding of the adjacent enclosing plates, the method further comprises:
and adjusting the verticality of each enclosing plate according to the three-dimensional design model of the cavern.
Preferably, the welding of the plurality of skirts to the inner panel in sequence includes:
spot welding a plurality of coamings on the inner panel in sequence;
and after all the coamings are subjected to spot welding, performing full welding on the welding seams between the coamings and the inner panel.
Preferably, when the welds between the coaming and the inner panel are fully welded, symmetrical welds are welded in sequence.
Preferably, the mounting opening is provided with a negative allowance.
Preferably, the chamber plate group is mounted on a side of the inner panel facing the outer panel.
Preferably, after the cavern plate group is installed, concrete is poured between the inner panel and the outer panel, and after standing for a preset time, a immersed tube tunnel with a cavern is formed.
Preferably, the adjacent enclosing plates are welded in a full-length welding mode.
Preferably, the coaming and the bottom plate are both made of steel materials.
The invention has the beneficial effects that:
the invention provides an embedded cavern building method, which is characterized in that the structure of the cavern is designed through three-dimensional software, so that the structure and the size are more accurate, the clamping phenomenon caused by inaccurate size is avoided, and the building efficiency is improved. The embedded cavern building method provided by the invention avoids the condition of repairing and cutting the structure due to clamping, is not easy to deform in welding, and effectively improves the building efficiency.
Drawings
Fig. 1 is a schematic structural diagram of an embedded cavern provided in an embodiment of the present invention.
In the figure:
2. an inner panel; 3. an outer panel;
11. a base plate; 12. and (4) enclosing plates.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "mounted" are to be construed broadly, e.g., as meaning both connected and disconnectable, mechanically and electrically, directly or indirectly via intermediate media, whether internal or external to the elements, or in any other relationship between the elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply 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.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The embodiment provides an embedded cavern building method for building a cavern as shown in fig. 1, which comprises the following steps:
step1, designing a three-dimensional design model of the cavern by using three-dimensional software;
step2, manufacturing a bottom plate 11 and a plurality of coamings 12 which enclose a cavern according to the three-dimensional design model;
step3, spot-welding a plurality of enclosing plates 12 on the bottom plate 11 in sequence;
step4, welding the adjacent coamings 12;
step5, fully welding the welding seam between the enclosing plate 12 and the bottom plate 11 to obtain a cavern plate group;
step6, placing the chamber plate group into the mounting opening of the inner panel 2 of the steel shell, and welding the coamings 12 to the inner panel 2 in sequence.
The cavern in the embodiment can be any embedded cavern, as shown in fig. 1, the cavern is a structure of a fire hydrant extinguisher cavern, the structure of the cavern and the structures and the number of the enclosing plates 12 and the bottom plates 11 enclosing the cavern are not particularly limited, and the specific structure of the cavern is designed according to embedded equipment.
According to the method for building the embedded cavern, the structure of the cavern is designed through three-dimensional software, so that the structure and the size are more accurate, the clamping phenomenon caused by inaccurate size is avoided, the building efficiency is improved, when a cavern assembly is welded, the enclosing plates 12 are sequentially welded on the bottom plate 11 in a spot welding mode, the enclosing plates 12 are accurately positioned, and then the enclosing plates 12 are welded and the enclosing plates 12 and the bottom plate 11 are fully welded, so that the welding deformation is not prone to occurring. The embedded cavern building method provided by the embodiment avoids the condition of repairing and cutting the structure due to clamping, is not easy to deform in welding, and effectively improves the building efficiency.
Specifically, the method for designing the three-dimensional design model of the cavern by using the three-dimensional software comprises the following steps:
firstly, designing a cavern model by using three-dimensional software, and assembling the cavern model into a three-dimensional model of a steel shell of the immersed tube tunnel to obtain the size deviation of the cavern model and the three-dimensional model; and then, adjusting the size of the cavern model according to the size deviation, and then, assembling and comparing the cavern model with the three-dimensional model of the steel shell again until the deviation of the cavern model and the three-dimensional model is within an error allowable range to obtain a final three-dimensional design model.
In this embodiment, the three-dimensional model of the steel shell is accurately established according to the actual size of the steel shell, the accurate deviation of the chamber model and the three-dimensional model of the steel shell can be obtained by simulating the assembling condition of the chamber model and the three-dimensional model of the steel shell, and the accurate three-dimensional design model of the structure and the size can be quickly obtained by adjusting according to the deviation.
Specifically, before welding the adjacent shroud plates 12, the method further includes: and adjusting the verticality of the enclosing plate 12 according to the three-dimensional design model of the cavern.
After all the surrounding plates 12 are spot-welded to the bottom plate 11, the perpendicularity of each surrounding plate 12 is adjusted, and then the surrounding plates 12 and the surrounding plates 12 are welded. In the present embodiment, the shroud 12 and the shroud 12 are welded together by full-length welding. The verticality of the coaming 12 is adjusted to meet the design requirement by adjusting the included angle between the coaming 12 and the bottom plate 11.
Specifically, welding a plurality of the coamings 12 to the inner panel 2 in sequence includes:
firstly, spot welding a plurality of coamings 12 on an inner panel 2 in sequence; then, after all the end plates 12 are spot-welded, the weld between the end plates 12 and the inner panel 2 is full-welded. The positioning of the coaming 12 is realized by spot welding, and the cavern plate group is firmly and tightly welded to the inner panel 2 by full welding.
Alternatively, when full-welding the weld between the shroud 12 and the inner panel 2, symmetrical welds are welded in sequence. The welding seams which are symmetrical to each other are welded in sequence, so that the welding error can be reduced, and the welding firmness is ensured.
Specifically, the mounting opening is provided with a negative allowance. By providing a negative margin, collision is further avoided when mounting the cavern plate set to the inner panel 2.
Specifically, the enclosing plate 12 and the bottom plate 11 are made of steel materials. The steel shell of the immersed tube tunnel is formed after the inner panel 2, the outer panel 3, the coaming 12 and the bottom plate 11 are welded, the inner panel 2, the outer panel 3, the coaming 12 and the bottom plate 11 are all made of steel materials, and the overall strength of the steel shell is guaranteed.
In particular, the group of cavern plates is mounted on the side of the inner panel 2 facing the outer panel 3. The group of cavity plates is located between the inner panel 2 and the outer panel 3 such that the cavity space enclosed by the skirt 12 and the base plate 11 is embedded between the inner panel 2 and the outer panel 3.
Specifically, after the cavern plate group is installed, concrete is poured between the inner panel 2 and the outer panel 3, and after standing for a preset time, a immersed tube tunnel with caverns is formed.
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. This need not be, nor should it be 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 constructing an embedded cavern is characterized by comprising the following steps:
designing a three-dimensional design model of the cavern by using three-dimensional software;
manufacturing a bottom plate (11) and a plurality of coamings (12) which enclose a cavern according to a three-dimensional design model;
sequentially spot-welding a plurality of coamings (12) on the bottom plate (11);
welding adjacent coamings (12);
fully welding the welding seam between the enclosing plate (12) and the bottom plate (11) to obtain a cavern plate group;
placing the cavern plate group into an installation opening of an inner panel (2) of the steel shell, and sequentially welding a plurality of coamings (12) to the inner panel (2);
after all the enclosing plates (12) are spot-welded on the bottom plate, adjusting the verticality of each enclosing plate (12) according to a three-dimensional design model of a cavern; the adjacent webs (12) are then welded.
2. The method for constructing an embedded cavern as recited in claim 1, wherein the step of designing a three-dimensional design model of the cavern by using three-dimensional software comprises the following steps:
designing a cavern model by using three-dimensional software, and assembling the cavern model into a three-dimensional model of a steel shell of the immersed tube tunnel to obtain the size deviation of the cavern model and the three-dimensional model;
and adjusting the size of the cavern model according to the size deviation to obtain a final three-dimensional design model.
3. The method of constructing an embedded cavern as recited in claim 1, wherein the welding of a plurality of enclosures (12) to the inner panel (2) in sequence comprises:
sequentially spot-welding a plurality of coamings (12) on the inner panel (2);
and after all the coamings (12) are subjected to spot welding, performing full welding on the welding seams between the coamings (12) and the inner panel (2).
4. A method of constructing an embedded cavern as claimed in claim 3, wherein when the welds between the coaming (12) and the inner panel (2) are fully welded, symmetrical welds are welded in sequence.
5. The embedded cavern construction method of claim 1, wherein the installation opening is provided with a negative allowance.
6. A method of embedded cavern construction according to claim 1, characterized in that, the cavern plate group is installed at a side of the inner panel (2) facing the outer panel (3).
7. A method for constructing an embedded cavern as recited in claim 6, wherein the set of cavern plates is installed, and then concrete is poured between the inner panel (2) and the outer panel (3) to form a sinking tunnel with the cavern after standing for a predetermined time.
8. The method for constructing the embedded grotto according to claim 1, wherein the adjacent coamings (12) are welded by means of full-length welding.
9. The embedded cavern construction method of any one of claims 1 to 8, wherein the coaming (12) and the bottom plate (11) are made of steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011045445.3A CN112222658B (en) | 2020-09-28 | 2020-09-28 | Embedded grotto building method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011045445.3A CN112222658B (en) | 2020-09-28 | 2020-09-28 | Embedded grotto building method |
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| Publication Number | Publication Date |
|---|---|
| CN112222658A CN112222658A (en) | 2021-01-15 |
| CN112222658B true CN112222658B (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011045445.3A Active CN112222658B (en) | 2020-09-28 | 2020-09-28 | Embedded grotto building method |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2850270C2 (en) * | 1978-11-20 | 1986-06-26 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Propulsion shield for driving tunnels, underground channels or the like. |
| DE20303137U1 (en) * | 2003-02-25 | 2003-05-08 | Holl Gmbh | Small bore tunnelling process to repair a leaky dyke with a longitudinal internal concrete curtain seal. |
| CN102704958B (en) * | 2012-06-14 | 2015-03-18 | 中国水电顾问集团华东勘测设计研究院 | Construction method for large section underground cavity excavation supporting |
| CN102887258B (en) * | 2012-09-25 | 2015-05-06 | 昆山荣科钣金科技有限公司 | Stainless steel water tank and welding process thereof |
| CN108907490B (en) * | 2018-09-11 | 2020-10-09 | 合信电气科技有限公司 | Welding process of explosion-proof junction box |
| CN211320661U (en) * | 2019-12-23 | 2020-08-21 | 川铁轨道交通(赣州)有限公司 | Bolt-connected concealed box shell |
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| CN112222658A (en) | 2021-01-15 |
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Effective date of registration: 20230412 Address after: 510715 No. 188 Cheung Chau Street, Whampoa District, Guangdong, Guangzhou Patentee after: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Patentee after: GUANGDONG PROVINCIAL HIGHWAY CONSTRUCTION Co.,Ltd. Address before: 510715 No. 188 Cheung Chau Street, Whampoa District, Guangdong, Guangzhou Patentee before: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20210115 Assignee: Zhanjiang Nanhai Shipbuilding High tech Service Co.,Ltd. Assignor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Contract record no.: X2023980048830 Denomination of invention: A method for constructing embedded caverns Granted publication date: 20220930 License type: Common License Record date: 20231130 |
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