CN1776120A - Cylindrical base sea embankment structure for tretching over and protecting suhmarine pipeline and its mounting method - Google Patents
Cylindrical base sea embankment structure for tretching over and protecting suhmarine pipeline and its mounting method Download PDFInfo
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- CN1776120A CN1776120A CN 200510016443 CN200510016443A CN1776120A CN 1776120 A CN1776120 A CN 1776120A CN 200510016443 CN200510016443 CN 200510016443 CN 200510016443 A CN200510016443 A CN 200510016443A CN 1776120 A CN1776120 A CN 1776120A
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Abstract
This invention discloses a lie across submarine line protective barrel shape foundation coastal dike structure and installation method. It consists of seabed inserted barrel shape foundation and wave or soil stop wall on it, wherein the barrel shape foundation consisting of four integrated barrel units, each side of submarine line has two barrel unit connected by connection board and top cover board, four barrel units are connected by arc shape board. Said structure is fabricated on land, then conveyed to site for positioning by air floating, lying across submarine line, pumping out air and water in barrel units, inserting it to sea bed, putting upper structure on foundation and making joint. Said invention is easy installation, small settlement deformation, fine protection to submarine line, strong wave and soil stop effect and low cost.
Description
Technical field
The present invention relates to a kind of across and protect the bucket foundation sea wall structure of submerged pipeline.Belong to the building structure in harbour, coastal engineering and the petroleum works field.
Background technology
Along with the extensive exploitation of China's offshore oil and natural gas, laid a large amount of disembarkation submerged pipelines, some pipeline crosses the Nian Di that encloses of harbour mole or reclaiming land around sea.Traditional mole and to enclose the levee body weight of Nian Di very big, on soft foundation, when the part at submerged pipeline applied bigger ballast, submerged pipeline can be bent cause the tube wall tensile stress excessive and rupture.Therefore need to across the mole of submerged pipeline, enclose structure such as Nian Di or submerged pipeline is done special the processing, as building mole after the reinforcing soft ground again and enclose Nian Di, or submerged pipeline is relocated, it is got over above dike.These processing methods all are at sea to carry out, and can cause the construction period long, and engineering cost are too high.
In harbour and ocean engineering field; used some cylinder-shaped foundation structures and box foundation structure; as " the bucket foundation gravitation-type deep-water dock structure on the soft foundation (ZL 021213739) "; " the upright arc diaphragm wall of removable steel reinforced concrete box-type suction foundation breakwater structure (ZL 2004200294670) "; " removable cylinder foundation breakwater structure (ZL 022531467) "; " mobile light casing basis retaining soil and water is every wave structure (ZL012093904) "; " the submerged pipeline underwater maintenance is used bucket foundation dry-type working storehouse (ZL 00250978) "; these patented technologies show that cylinder-shaped foundation structure has the bearing capacity height; the characteristics that settling amount is little can be used aspect the submerged pipeline protection of seabed.
Based on above-mentioned engine request and technical foundation; for the submerged pipeline that passes mole on the weak soil foundation of sea floor and enclose Nian Di is protected; also shorten simultaneously the construction period and the engineering cost of sea wall structure, the present invention proposes a kind of new across and protect the bucket foundation sea wall structure of submerged pipeline.
Summary of the invention
The object of the present invention is to provide a kind of be applied on the weak soil foundation of sea floor across and protect the bucket foundation sea wall structure of submerged pipeline, it has, and result of use is good, easy construction, the characteristics that construction costs is lower.
For achieving the above object; the present invention is realized by following technical proposals: across and protect the bucket foundation sea wall structure of submerged pipeline; constitute by the retaining wave or the retaining wall body that are inserted into the bucket foundation in the submarine soil layer and be located on it; it is characterized in that; cylinder-shaped foundation structure is; by being arranged on two of submerged pipeline one side; totally four no ends, be made up of the cylindrical shell of the iso-cross-section of lamina tecti in both sides; but wherein offer the through hole of switch on the lamina tecti of each cylindrical shell; between two cylinder body outer walls of submerged pipeline the same side, junction plate is set from top to bottom; the lamina tecti on top is connected as a single entity; between four cylindrical shells of submerged pipeline both sides; axis direction along submerged pipeline is provided with the arch junction plate, is the body of wall of retaining wave or retaining soil on lamina tecti and the arch junction plate.
Above-mentioned cylindrical shell is the regular polygon or the long polygon of inequilateral on cylinder, rectangle cylindrical shell or 5 to 64 limits; Cylindrical shell is the composite construction of steel work or reinforced concrete structure or steel board and steel concrete.
Above-mentioned arch junction plate is beam slab or trussed construction, sagitta 0.5～3.0m, arch span 0.5～5.0m.
Above-mentioned retaining wave or retaining wall body are circle, rectangle or the polygon cylindrical shell of steel concrete, or are the plate body plane or curved surface.
Above-mentioned basic cylindrical shell adopts cylinder, and the diameter of cylindrical shell is 4m to 15m, highly is 3m to 15m; Outer wall spacing between two cylindrical shells of submerged pipeline the same side is 0.5～6.0m, and the outer wall spacing between the cylindrical shell of submerged pipeline both sides correspondence is 3.0～8.0m.
Above-mentioned across and protect the mounting method of the bucket foundation sea wall structure of submerged pipeline, it is characterized in that, may further comprise the steps:
(1) adopts air float hauling mode or barging mode to be transported to the erecting bed prefabricated on land cylinder-shaped foundation structure, and make the structure inflation float on waterborne;
(2) utilize the anchor hawser that lies on the cylinder-shaped foundation structure to move and horizontally rotate cylinder-shaped foundation structure all around, make structure along the central axis of the center line of arch junction plate axis direction and submerged pipeline on same vertical plane, the center line of another vertical direction of structure and sea wall central axes;
(3) open a top through hole valve, emit an interior air, cylinder-shaped foundation structure sink down into cylindrical shell bottom in the mud face, utilize anchor hawser to control the plan-position of structure well in this process, extract empty G﹠W in the tube afterwards out, cylindrical shell continues to sink, and contacts fully with seabed mud face to tube lamina tecti bottom surface, seals through hole afterwards;
(4) on the lamina tecti and arch junction plate of cylinder-shaped foundation structure, lifting top retaining is unrestrained or keep off native body of wall, and itself and cylinder-shaped foundation structure are connected into integral body.
Superiority of the present invention is: structure building speed is fast, and on-the-spot easy for installation, sedimentation and deformation is little, and is effective to the submerged pipeline protection, and anti-wave and the native ability of retaining are strong, and engineering cost is relatively low.
Description of drawings
Below in conjunction with accompanying drawing the present invention is illustrated.
Fig. 1 is the structural representation of the present invention based on cylinder.
Fig. 2 is the drawing in side sectional elevation of Fig. 1.
Fig. 3 is that schematic diagram is arranged on the cylinder basis of Fig. 1.
1 is the cylinder of bucket foundation among the figure, and 2 is the lamina tecti on the cylinder, and 3 is the arch junction plate, and 4 is top sea wall wall body structure, and 5 is the through hole on the tube lamina tecti, and 6 is submerged pipeline, and 7 is the junction plate between the cylinder sidewall.
The specific embodiment
One embodiment of the invention is as follows: as depicted in figs. 1 and 2 across with the protection submerged pipeline bucket foundation sea wall structure; form by being inserted into the bucket foundation in the seabed soil and being located the upright cylinder superstructure that connects into integral body on it with it;, there is the cylinder 1 rectangular arrangement of lamina tecti at four no ends of bucket foundation; on the lamina tecti 2 of each cylinder, be provided with through hole 5; cylinder after the installation is positioned at the both sides of submerged pipeline 6; connect by the junction plate between the cylinder sidewall 7 between two cylindrical shells of submerged pipeline the same side; also be connected simultaneously by tube lamina tecti 2; the cylinder that is positioned at the submerged pipeline both sides is connected by the arch syndeton 3 at cylinder top; on cylinder top cover plate and arch syndeton, be top levee body structure 4, can be upright cylinder; upright wall; curved wall or other forms of structure.
Above-mentioned four cylinders are diameter 9.5m, high 7.5m, and the steel cylinder of wall thickness 12mm, top board are the girder steel board combining structure; Barrel spacing between two cylindrical shells of submerged pipeline the same side is 3.0m, and the barrel spacing between two cylindrical shells of pipeline both sides correspondence is 5.0m; The submerged pipeline diameter is 0.6m, is positioned at 1.0m place under the mud face; After structure was installed, the submerged pipeline center line was 2.5m apart from two side tube-wall spacings, and clear distance is 2.2m; Arch syndeton between the cylinder of pipeline both sides is the beam slab combining structure, sagitta 1.5m, and arch span 4.0m, promptly the lower edge of arch syndeton is 1.5m apart from the distance of lamina tecti.Top levee body structure is the concrete cylinder of a diameter 18.0m, wall thickness 0.6m, and its both sides of coastal dike axis are traditional sea wall structure.The depth of water 5～the 6m of structure installed position, the seabed is a soft foundation.
After structure of the present invention is prefabricated on land, can hangs down water a basis interior inflation transportation by driving is arrived the erecting bed, also can after installing now, hang down water with ship; The anchor hawser that utilization lies on the cylinder-shaped foundation structure moves and horizontally rotates cylinder-shaped foundation structure all around, make structure along the central axis of the center line of arch junction plate axis direction and submerged pipeline on same vertical plane, the center line of another vertical direction of structure and sea wall central axes; Emit gas in the cylinder by the through hole on the lamina tecti after the accurate positioning, make cylinder bottom in the mud face, then by gas and water in the through hole extraction cylinder, utilizing in vacuum pressure and the tube external water pressure difference that cylinder is inserted in the soil to the downside of tube lamina tecti in the mud face, seal through hole at last, the foundation structure dress finishes; Cylinder with superstructure hangs on foundation structure afterwards, and does with foundation structure and to be connected processing.Coastal again dike axis is built traditional sea wall structure in the top cylinder both sides, then finish across the bucket foundation sea wall structure building with the protection submerged pipeline.
Because the basic cylindrical shell of cylinder-shaped foundation structure has been inserted in the darker foundation soil, coastal dike cross section has two cylindrical shells to place side by side, and structure is more roomy, so the bearing capacity height of cylinder-shaped foundation structure, anti-wave and the native ability of retaining are strong, and settling amount is little.Submerged pipeline is between the cylindrical shell of the both sides of cylinder-shaped foundation structure; top is a donor structure; after sea wall is built; there is not external load to be delivered near the mud face of submerged pipeline; again because the own wt of structure of the present invention is relatively very light; the sea wall foundation soil settling amount that dead load causes is very little, so structure of the present invention has played protective effect to submerged pipeline.
In the reclaiming land around sea engineering of industrial occupancy, Harbor, Tianjin, two submerged pipelines that enclose Nian Di and Bohai Sea west oil gas field intersect, and this oil-gas pipeline is the industry and the civilian air feed of Tianjin, can not stopping transportation.The foundation soil at intersection location place is a weak soil.By submerged pipeline is carried out force analysis, show that the settling amount of ground can not surpass 20cm after Nian Di is enclosed in construction on the submerged pipeline.And general form of structure enclose the settling amount that ground that Nian Di will make the submerged pipeline position produces 80～100cm, so just need carry out special consolidation process: when requirement is carried out consolidation process to foundation soil to the ground of submerged pipeline position, foundation soil can not swell, again can not depression, the later stage builds the settling amount that encloses low bank between fields dike groundwork and can not surpass 20cm.Existing seabed reinforcement of soft soil technology is difficult to guarantee such quality requirement, and long in time limit, the expense height.High-level at home designing unit and famous expert all do not have under the situation of good recipe to this problem, the applicant has proposed this invention structure, and initial brainstrust is represented to query to this structure, by the abundant demonstration of applicant to this invention structure, the owner approves of, and has adopted structure of the present invention in engineering.The result shows that structure of the present invention is very good to the protection effect of submerged pipeline, and structure building speed is fast, and on-the-spot easy for installation, sedimentation and deformation is little, and anti-wave and the native ability of retaining are strong, and the integration engineering expense reduces significantly than other schemes.
Claims (6)
- One kind across and protect the bucket foundation sea wall structure of submerged pipeline; constitute by the retaining wave or the retaining wall body that are inserted into the bucket foundation in the submarine soil layer and be located on it; it is characterized in that; cylinder-shaped foundation structure is; by being arranged on two of submerged pipeline one side; totally four no ends, be made up of the cylindrical shell of the iso-cross-section of lamina tecti in both sides; but wherein offer the through hole of switch on the lamina tecti of each cylindrical shell; between two cylinder body outer walls of submerged pipeline the same side, junction plate is set from top to bottom; the lamina tecti on top is connected as a single entity; between four cylindrical shells of submerged pipeline both sides; axis direction along submerged pipeline is provided with the arch junction plate, is the body of wall of retaining wave or retaining soil on lamina tecti and the arch junction plate.
- 2. according to claim 1 a kind of across and protect the bucket foundation sea wall structure of submerged pipeline, it is characterized in that cylindrical shell is the regular polygon or the long polygon of inequilateral on cylinder, rectangle cylindrical shell or 5 to 64 limits; Cylindrical shell is the composite construction of steel work or reinforced concrete structure or steel board and steel concrete.
- 3. according to claim 1 a kind of across and protect the bucket foundation sea wall structure of submerged pipeline, it is characterized in that the arch junction plate is beam slab or trussed construction, sagitta 0.5～3.0m, arch span 0.5～5.0m.
- 4. according to claim 1 a kind of across and protect the bucket foundation sea wall structure of submerged pipeline, it is characterized in that retaining wave or retaining wall body are circle, rectangle or the polygon cylindrical shell of steel concrete, or are the plate body plane or curved surface.
- 5. according to claim 2 a kind of across and protect the bucket foundation sea wall structure of submerged pipeline, it is characterized in that basic cylindrical shell adopts cylinder, the diameter of cylindrical shell is 4m to 15m, highly is 3m to 15m; Outer wall spacing between two cylindrical shells of submerged pipeline the same side is 0.5～6.0m, and the outer wall spacing between the cylindrical shell of submerged pipeline both sides correspondence is 3.0～8.0m.
- One kind according to claim 1 described across and protect the mounting method of the bucket foundation sea wall structure of submerged pipeline, it is characterized in that may further comprise the steps:(1) adopts air float hauling mode or barging mode to be transported to the erecting bed prefabricated on land cylinder-shaped foundation structure, and make the structure inflation float on waterborne;(2) utilize the anchor hawser that lies on the cylinder-shaped foundation structure to move and horizontally rotate cylinder-shaped foundation structure all around, make structure along the central axis of the center line of arch junction plate axis direction and submerged pipeline on same vertical plane, the center line of another vertical direction of structure and sea wall central axes;(3) open a top through hole valve, emit an interior air, cylinder-shaped foundation structure sink down into cylindrical shell bottom in the mud face, utilize anchor hawser to control the plan-position of structure well in this process, extract empty G﹠W in the tube afterwards out, cylindrical shell continues to sink, and contacts fully with seabed mud face to tube lamina tecti bottom surface, seals through hole afterwards;(4) on the lamina tecti and arch junction plate of cylinder-shaped foundation structure, lifting top retaining is unrestrained or keep off native body of wall, and itself and cylinder-shaped foundation structure are connected into integral body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100164430A CN100432343C (en) | 2005-11-28 | 2005-11-28 | Cylindrical base sea embankment structure for tretching over and protecting suhmarine pipeline and its mounting method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100164430A CN100432343C (en) | 2005-11-28 | 2005-11-28 | Cylindrical base sea embankment structure for tretching over and protecting suhmarine pipeline and its mounting method |
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| CN1776120A true CN1776120A (en) | 2006-05-24 |
| CN100432343C CN100432343C (en) | 2008-11-12 |
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Cited By (9)
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| CN101787704A (en) * | 2010-03-03 | 2010-07-28 | 天津大学 | Prestressed cylinder-shaped foundation structure system provided with force transmission ring |
| CN101775812B (en) * | 2010-01-21 | 2011-07-13 | 道达(上海)风电投资有限公司 | Built-in buoy towing barrel-shaped foundation sinking method |
| CN101666101B (en) * | 2009-09-29 | 2011-08-03 | 道达(上海)风电投资有限公司 | Movable prefabricated multi-barrel type gravity mixed foundation |
| CN101736754B (en) * | 2010-01-29 | 2011-08-03 | 道达(上海)风电投资有限公司 | Offshore wind power unit foundation adopting prestressed concrete cylindrical structure |
| CN102322062A (en) * | 2011-06-17 | 2012-01-18 | 中交第三航务工程局有限公司 | Transportation and installation process of base barrel body of barrel type breakwater |
| CN102877484A (en) * | 2012-09-11 | 2013-01-16 | 天津大学 | Steel-concrete composite cylinder-type foundation structure and construction method thereof |
| CN103556654A (en) * | 2013-11-15 | 2014-02-05 | 中交天航港湾建设工程有限公司 | Design method based on protection of subsea pipeline in shallow sea reclamation area |
| CN104018468A (en) * | 2014-06-19 | 2014-09-03 | 中国海洋石油总公司 | Protective structure for underwater facility |
| CN108221851A (en) * | 2018-03-09 | 2018-06-29 | 中交第航务工程勘察设计院有限公司 | Horizontal cylinder breakwater structure of the both sides with wing plate |
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| FR2226853A5 (en) * | 1973-04-17 | 1974-11-15 | Doris Dev Richesse Sous Marine | |
| FR2486562A1 (en) * | 1980-07-09 | 1982-01-15 | Coyne Bellier Bureau Ingenieur | FOUNDATION DEVICE FOR STRUCTURE, SUCH AS A PLATFORM, INCLUDING SELF-LIFTING, BASED ON A SUB-MARINE BASE, AND PLATFORMS OF THIS TYPE |
| CN2450085Y (en) * | 2000-08-29 | 2001-09-26 | 天津海王星海上工程技术有限公司 | Cylinder foundation dry operating chamber for in-water maintaining in submerged pipeline |
| CN2467578Y (en) * | 2001-03-19 | 2001-12-26 | 天津大学 | Removable light caisson foundation soil water earth-retaining and water retaining structure |
| CN2567270Y (en) * | 2002-08-28 | 2003-08-20 | 天津大学 | Movable cylinder foundation breakwater structure |
| CN2714623Y (en) * | 2004-08-05 | 2005-08-03 | 天津港务局 | Movable breakwater structure comprising steel-concrete box-type foundation and vertical arc continuous wall |
| JP4123248B2 (en) * | 2005-06-06 | 2008-07-23 | 株式会社大林組 | Underwater foundation structure |
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- 2005-11-28 CN CNB2005100164430A patent/CN100432343C/en not_active Expired - Fee Related
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| CN101666101B (en) * | 2009-09-29 | 2011-08-03 | 道达(上海)风电投资有限公司 | Movable prefabricated multi-barrel type gravity mixed foundation |
| CN101775812B (en) * | 2010-01-21 | 2011-07-13 | 道达(上海)风电投资有限公司 | Built-in buoy towing barrel-shaped foundation sinking method |
| CN101736754B (en) * | 2010-01-29 | 2011-08-03 | 道达(上海)风电投资有限公司 | Offshore wind power unit foundation adopting prestressed concrete cylindrical structure |
| CN101787704B (en) * | 2010-03-03 | 2012-03-28 | 江苏道达海上风电工程科技有限公司 | Prestressed cylinder-shaped foundation structure system provided with force transmission ring |
| CN101787704A (en) * | 2010-03-03 | 2010-07-28 | 天津大学 | Prestressed cylinder-shaped foundation structure system provided with force transmission ring |
| CN102322062B (en) * | 2011-06-17 | 2013-04-10 | 中交第三航务工程局有限公司 | Transportation and installation process of base barrel body of barrel type breakwater |
| CN102322062A (en) * | 2011-06-17 | 2012-01-18 | 中交第三航务工程局有限公司 | Transportation and installation process of base barrel body of barrel type breakwater |
| CN102877484A (en) * | 2012-09-11 | 2013-01-16 | 天津大学 | Steel-concrete composite cylinder-type foundation structure and construction method thereof |
| CN102877484B (en) * | 2012-09-11 | 2015-04-22 | 天津大学 | Steel-concrete composite cylinder-type foundation structure and construction method thereof |
| CN103556654A (en) * | 2013-11-15 | 2014-02-05 | 中交天航港湾建设工程有限公司 | Design method based on protection of subsea pipeline in shallow sea reclamation area |
| CN103556654B (en) * | 2013-11-15 | 2015-06-17 | 中交天航港湾建设工程有限公司 | Design method based on protection of subsea pipeline in shallow sea reclamation area |
| CN104018468A (en) * | 2014-06-19 | 2014-09-03 | 中国海洋石油总公司 | Protective structure for underwater facility |
| CN108221851A (en) * | 2018-03-09 | 2018-06-29 | 中交第航务工程勘察设计院有限公司 | Horizontal cylinder breakwater structure of the both sides with wing plate |
| CN108221851B (en) * | 2018-03-09 | 2023-07-21 | 中交第一航务工程勘察设计院有限公司 | Horizontal cylindrical breakwater structure with wing plates on two sides |
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Granted publication date: 20081112 Termination date: 20091228 |