CN103382713B - Foundation quay wall structure and construction method thereof - Google Patents
Foundation quay wall structure and construction method thereof Download PDFInfo
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- CN103382713B CN103382713B CN201210134327.9A CN201210134327A CN103382713B CN 103382713 B CN103382713 B CN 103382713B CN 201210134327 A CN201210134327 A CN 201210134327A CN 103382713 B CN103382713 B CN 103382713B
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Abstract
The invention discloses a kind of foundation quay wall structure and construction method thereof.Described foundation quay wall structure comprises basic staving and top staving, is provided with polylith dividing plate in described basic staving, is divided into multiple separation by described basic staving, and air vent is established at described separation top; Staving top, described top is provided with wave wall, and basic staving center certain distance is departed from staving center, top forwards bulkhead wall.The structure that the present invention relates to is sunk by negative pressure, do not need to carry out soft foundation improvement, by soil layer good at the bottom of bucket wall, cover plate, bucket dividing plate and bucket, weak soil is enclosed in bucket, improves weak soil and foundation-structure interaction ability, the load that its superstructure of shared is transmitted.
Description
Technical field
The invention belongs to harbour construction field, relate to a kind of foundation quay wall structure specifically.
The invention still further relates to a kind of construction method of above-mentioned foundation quay wall structure.
Background technology
The induced effect that the growth requirement of water route, world forwarding and harbour are developed for ventral pathway, impels the construction at harbour to maximization, deep water, specialization, multifunctional direction development, maximizes in the hope of economical, social and environmental benefit.China harbour achieves in recent years in specialization, maximization construction to be developed faster, development for national economy serves strong supporting role, but also there is the deficiencies such as part function port backwardness, overload operation, port development and urban contradiction, environmental problem, inland transport problem to remain to be further improved, thus the addressing at new harbour is had to towards more complicated marine environment thoroughly effectively to evade above-mentioned deficiency with building, thus substantially increases the construction technique difficulty of the engineerings such as mole, revetment, embankment.
China coast is extensively dispersed with Puddy coastal zone from north to south, and as Tianjin, Lianyun Harbour, Zhoushan, Ningbo, Wenzhou etc., weak soil is deep, mechanics index of physics is poor, highly sensitive, is a key technology difficult problem for the engineering constructions such as harbour mole, revetment, embankment.The methods such as traditional soft base discharging consolidation reinforcing, back-filling in layers method or explosive replacement; along with the increase structure section of the depth of water strengthens; cause engineering quantity huge, long in time limit, need that building stones are many, the construction period is by problems such as Lidar Equation are large; the particularly requirement of Environmental protection now; some territorial restrictions exploitation sand material; as will inevitably engineering cost be increased from outward transport sand material; the total cost of this class formation is improved a lot, " environmentally friendly ", " resource-conserving " and " good and fast " ground construction requirements neither be applicable to simultaneously.
Publication number is that the Chinese invention application of CN102322062A relates to a kind of tub mole basis staving, and as shown in Figure 2, be provided with polylith dividing plate in this basic staving, basic staving is separated into multiple separation, top staving is built on basic staving.Can see, the top staving of this mole build the central authorities of basic staving in, this structure horizontal force resistant limited in one's ability, and top staving, basic staving are integrated simultaneously, once occur damaging, need all change.
Therefore be necessary to develop a kind of more efficient and economic novel hydro-structure.For this reason, novel tub foundation quay wall structure is proposed.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of foundation quay wall structure, can improve the ability of horizontal force resistant, and structure is optimized.
The present invention is by the following technical solutions:
A kind of foundation quay wall structure, comprise basic staving and top staving, be provided with polylith dividing plate in described basic staving, be divided into multiple separation by described basic staving, air vent is established at described separation top; Staving top, described top is provided with wave wall, and basic staving center certain distance is departed from its staving center, top forwards bulkhead wall.
The foundation quay wall structure that the present invention relates to is combined by basic staving and top bucket.Basis staving comprises bottomless oval staving and dividing plate, it is 2 ~ 20 separations that dividing plate plate divides staving, first cover plate of each separation is offered can the air vent of switch, and the first cover plate of oval bucket base arranges annular rim of a cup, and this rim of a cup plays the effect connecting top staving.Top staving is made up of ladle body, cover plate and wave wall, at staving upper berth second, top cover plate as track and the basis walking pipeline, the second cover plate does anti-unrestrained wall.This structure, as a kind of novel foundation structure, is applicable to open type mud seashore and builds port demand.Sunk by negative pressure, do not need to carry out soft foundation improvement, by soil layer good at the bottom of bucket wall, cover plate, bucket dividing plate and bucket, weak soil is enclosed in bucket, improve weak soil and foundation-structure interaction ability, the load that its superstructure of shared is transmitted.
Another technical problem that the present invention will solve is to provide a kind of construction method of above-mentioned foundation quay wall structure.
The present invention is by the following technical solutions:
A construction method for foundation quay wall structure, carry out in the steps below:
(1) prefabricated foundation staving, top staving and the second cover plate;
(2) put floating gasbag to basic staving, then dive to refute by half and check job site;
(3) by basic staving being transported half latent barge to basic staving inflation, by basic staving drift, erecting bed is transported to floating gasbag inflation simultaneously;
(4), behind basic staving location, open air vent, basic staving is sunk, until sink to design elevation;
(5) lighter defeated top staving to job site by side, after basic staving installation, top staving inserts in the rim of a cup of the first cover plate on basic staving by hanging device, and underwater concreting is passed through in the space between rim of a cup and top staving;
(6), after the installation of top staving, the second cover plate is installed;
After (7) second cover plate installations, build wave wall.
This kind of construction method has following characteristics:
1) can batch production prefabricated, over-water construction technique can standardization, sinks to not needing large-scale ship machine equipment waterborne, by conduct oneself with dignity and atmospheric pressure can implement sinking construction, noise-less pollution and environment pollution etc.
2) shielding effect can be formed by fast rapid-result dike, be applicable to offshore construction, and be fabricated construction, there is no the demand of a large amount of concreting in off-lying sea.
3) in saving construction cost, shorten construction period, save in building stones resources, environmental friendliness etc. all there is comparatively significant advantage, meet the requirement of " resource-conserving, environmentally friendly " port construction.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the foundation quay wall structure that the present invention relates to, and this figure is top view.
Fig. 2 is the schematic diagram of the foundation quay wall structure that the present invention relates to, and this figure is upward view.
Fig. 3 be in Fig. 1 A-A to schematic diagram.
Fig. 4 be in Fig. 1 B-B to schematic diagram.
Detailed description of the invention
See Fig. 1-2, it is the schematic diagram of foundation quay wall structure that the present invention relates to.Comprise basic staving 1 and top staving 7, be provided with polylith dividing plate 2 in described basic staving 1, comprised in barrel wall 4 and staving by described basic staving 1 and be divided into multiple separation, air vent 5 is established at described separation top; Staving 7 top, described top is provided with wave wall 8, and basic staving 1 center certain distance is departed from top staving 7 center forwards bulkhead wall.In the present embodiment, the outer contour shape of basic staving is Long Circle, and the outer contour shape of top staving is circular.The center of basis staving is the mid point of staving major axis, and the center of top staving is the center of circle of staving.When top staving 7 departs from basic staving 1 center, basic bucket top can be made to bear more backfill pressure at right angle F1, the horizontal pressure force F2 that pressure at right angle F1 and backfill produce forms opposing torque for staving run-on point, make overturning moment and diminish, pressure at right angle F1 makes structure floor malleation increase simultaneously, increase bottom surface frictional force, and then improve the ability of structure horizontal force resistant.Wherein, the distance l at staving 1 center, described top staving 7 misalignment basis is preferably the 1/12-1/4 of basic staving 1 major axis.
See Fig. 1,3-4, described basic staving 1 top is provided with the first cover plate 6, described air vent 5 is opened on described first cover plate 6, described first cover plate 6 is provided with rim of a cup 3, rim of a cup 3 is equivalent to the connectivity port for other structure of establishing on the first cover plate 6, in the present embodiment, described top staving 7 inserts in described rim of a cup 3.
Top staving 7 and basic staving 1 can be separately prefabricated, and basic staving 1 can transportation by driving separately, and now the transportation by driving depth of water requires more shallow, is applicable to shoal construction; Basis staving 1 has been laid, top staving 7 can by lifting or prefabricated upper bucket backing board, be transported to above basic staving 1 by caisson transportation by driving mode and lay, top staving 7 is connected by rim of a cup 3 with basic staving 1, and connecting portion is by building underwater concrete joint seal.
Staving 7 top, described top is also provided with the second cover plate 9, and described wave wall 8 is cast on described second cover plate 9, and described wave wall 8 is positioned at the front of described second cover plate 9.
Preferably, described basic staving 1 outer contour shape is oblong shape or polygon, and the inner dividing plate 2 that adopts is separated into separation, and general separation number is 2-20.See Fig. 1-2, in basic staving 1, establish at least 3 pieces of dividing plates 2, be respectively one piece of central longitudinal to two pieces of transverse directions, basic staving 1 is separated into 6 separations.As shown in the above description, the number of dividing plate 2 and set-up mode can have multiple, are not limited to shown in figure.In addition, described top staving 7 outer contour shape is circular or polygon, and wherein polygonal limit number is 3-20.
Multiple foundation quay wall structure that the present invention relates to is arranged in a row and just constitutes a bulkhead wall.
The present invention carries out in the steps below:
(1) precast yard's prefabricated foundation staving 1, top staving 7 and the second cover plate 9;
(2) adopt air bag to roll and fill basic staving 1, check half by air bag and slideway and dive on barge, and put the floating gasbag do not inflated to basic staving 1, then dive to refute by half and check job site;
(3) by inflating basic staving 1, basic staving 1 being transported half latent barge, by basic staving 1 drift, erecting bed being transported to floating gasbag inflation simultaneously, respectively to basic staving 1 and floating gasbag inflation, make basic staving 1 be floated to the mounting points of specifying;
(4), after basic staving 1 is located, open air vent 5, basic staving 1 is sunk, until sink to design elevation under Gravitative Loads; If in the middle of this process, there is skew, close the air vent 5 of fast side, extract air or the water of slow side, structure is rectified a deviation, after bias correcting, the air vent 5 of closing is opened again, then sinking of bleeding simultaneously or draw water, until sink to design elevation;
(5) job site is arrived by transportation by lighter defeated top, side staving 7, after the installation of basic staving 1, top staving 7 leads to ship lifts hanging device and inserts in the rim of a cup 3 of the first cover plate 6 on basic staving 1, and underwater concreting is passed through in the space between rim of a cup 3 and top staving 7;
(6), after top staving 7 installation, the second cover plate 9 is installed;
After (7) second cover plate 9 installations, build wave wall 8.
Basis staving 1 and top staving 7 can separately make, and are transported to job site respectively.Basis staving 1 sinks by deadweight and atmospheric pressure, without the need to other Large-scale Hoisting equipment.After basic staving 1 reaches mounting points, fit on portion staving 7 can be set about, simplify construction sequence, save cost and resource.
Claims (7)
1. a foundation quay wall structure, comprise basic staving (1) and top staving (7), polylith dividing plate (2) is provided with in described basic staving (1), be divided into multiple separation by described basic staving (1), air vent (5) is established at described separation top; Staving (7) top, described top is provided with wave wall (8), it is characterized in that: basic staving (1) center certain distance is departed from top staving (7) center to bulkhead wall front, 3 pieces of dividing plates 2 are established in described basic staving (1), be respectively one piece of central longitudinal to two pieces of transverse directions, basic staving (1) is separated into 6 separations; Described basic staving (1) top is provided with the first cover plate (6), described air vent (5) is opened on described first cover plate (6), described first cover plate (6) is also provided with rim of a cup (3), described top staving (7) is inserted in described rim of a cup (3), and the gap between described rim of a cup (3) and top staving (7) is by underwater concreting.
2. foundation quay wall structure according to claim 1, is characterized in that: the 1/12-1/4 of staving (1) major axis based on the distance at staving (1) center, described top staving (7) misalignment basis.
3. foundation quay wall structure according to claim 1, is characterized in that: staving (7) top, described top is also provided with the second cover plate (9), and described wave wall (8) is cast on described second cover plate (9).
4. foundation quay wall structure according to claim 3, is characterized in that: described wave wall (8) is positioned at the front of described second cover plate (9).
5. foundation quay wall structure according to claim 1, is characterized in that: described basic staving (1) outer contour shape is oblong shape.
6. foundation quay wall structure according to claim 1, is characterized in that: described top staving (7) outer contour shape is circular or polygon, and wherein polygonal limit number is 3-20.
7. a construction method for the foundation quay wall structure according to any one of claim 1-6, is characterized in that carrying out in the steps below:
(1) prefabricated foundation staving (1), top staving (7) and the second cover plate (9);
(2) put floating gasbag to basic staving (1), then dive to refute by half and check job site;
(3) by basic staving (1) being transported half latent barge to basic staving (1) inflation, by basic staving (1) drift, erecting bed is transported to floating gasbag inflation simultaneously;
(4), behind basic staving (1) location, open air vent (5), basic staving (1) is sunk, until sink to design elevation;
(5) defeated top staving (7) is lightered to job site by side, after basic staving (1) installation, top staving (7) is inserted in the rim of a cup (3) of upper first cover plate (6) of basic staving (1) by hanging device, and underwater concreting is passed through in the space between rim of a cup (3) and top staving (7);
(6), after top staving (7) installation, the second cover plate (9) is installed;
After (7) second cover plate (9) installations, build wave wall (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210134327.9A CN103382713B (en) | 2012-05-02 | 2012-05-02 | Foundation quay wall structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210134327.9A CN103382713B (en) | 2012-05-02 | 2012-05-02 | Foundation quay wall structure and construction method thereof |
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| Publication Number | Publication Date |
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| CN103382713A CN103382713A (en) | 2013-11-06 |
| CN103382713B true CN103382713B (en) | 2015-09-02 |
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| CN201210134327.9A Expired - Fee Related CN103382713B (en) | 2012-05-02 | 2012-05-02 | Foundation quay wall structure and construction method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603314A (en) * | 2013-11-18 | 2014-02-26 | 张祚森 | Hillside field block |
| CN105862658B (en) * | 2016-03-31 | 2018-04-17 | 中交第三航务工程局有限公司江苏分公司 | A kind of double ships of breakwater tub component are to drawing localization method |
| CN105862896B (en) * | 2016-03-31 | 2017-10-13 | 中交第三航务工程局有限公司江苏分公司 | A kind of installation method of breakwater tub component |
| CN105780721B (en) * | 2016-03-31 | 2018-01-30 | 中交第三航务工程局有限公司江苏分公司 | It is a kind of to construct method for prefabricating of the breakwater with the component of storehouse tub more than single barrel |
| CN106638462A (en) * | 2017-01-17 | 2017-05-10 | 中交第三航务工程勘察设计院有限公司 | Grid type negative pressure assembly bank protection structure and construction method thereof |
| CN112814002A (en) * | 2020-12-25 | 2021-05-18 | 中交第三航务工程局有限公司江苏分公司 | Open caisson and negative pressure sinking construction process thereof |
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| 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 |
| CN202194151U (en) * | 2011-04-11 | 2012-04-18 | 中交第三航务工程勘察设计院有限公司 | Reversely-buckled thin-walled barrel-shaped base structure |
| CN202577229U (en) * | 2012-05-02 | 2012-12-05 | 中交第三航务工程勘察设计院有限公司 | Foundation bulkhead wall structure |
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- 2012-05-02 CN CN201210134327.9A patent/CN103382713B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| KR20060023627A (en) * | 2004-09-10 | 2006-03-15 | (유) 이도건설 | Breakwater that is constructed on deep softground |
| KR100519547B1 (en) * | 2004-10-11 | 2005-10-10 | (유) 이도건설 | A caisson structure |
| CN1651661A (en) * | 2005-02-24 | 2005-08-10 | 天津大学 | Box or drum type based barrel row structural unit bulk head water retaining structure |
| CN202194151U (en) * | 2011-04-11 | 2012-04-18 | 中交第三航务工程勘察设计院有限公司 | Reversely-buckled thin-walled barrel-shaped base structure |
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| CN103382713A (en) | 2013-11-06 |
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Granted publication date: 20150902 Termination date: 20210502 |