CN102852118A - Sea wall construction method and composite sea wall thereof - Google Patents
Sea wall construction method and composite sea wall thereof Download PDFInfo
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- CN102852118A CN102852118A CN2011101808820A CN201110180882A CN102852118A CN 102852118 A CN102852118 A CN 102852118A CN 2011101808820 A CN2011101808820 A CN 2011101808820A CN 201110180882 A CN201110180882 A CN 201110180882A CN 102852118 A CN102852118 A CN 102852118A
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention relates to a sea wall construction method and a composite sea wall thereof. The problems that a traditional sea wall cannot be constructed on land and a dike cannot bear pressure are solved. The technical scheme includes that the method comprises that base slag is laid, large-diameter cylindrical piles are used for construction, and a composite foundation is formed; and secondary slag is laid, prefabricated reinforced concrete members are arranged on two sides of the surface of a secondary slag layer respectively and serve as earth blocking walls, reinforced concrete members on two sides are strained through steel strands, earth is filled in the middle of the earth blocking walls to an elevation and a road surface is formed. The composite sea wall comprises a base slag layer and large-diameter cylindrical piles which are distributed in the base slay layer evenly, wherein the secondary slag layer is laid on the base slag layer, prefabricated reinforced concrete members are arranged on two sides of the surface of the secondary slag layer respectively and serve as earth blocking walls, earth blocking walls on two sides are connected through steel strands respectively, earth is filled in the earth blocking walls and on the earth blocking walls to the elevation and the road surface on the sea wall is formed. By the aid of the method and the sea wall, the construction can be conducted on land, the prefabricated reinforced concrete members serve as earth blocking walls on the composite foundation, the occupied area is small, the sea wall forming speed is quick, and the seal wall surface can serve as the road surface.
Description
Technical field
The present invention relates to job practices and the composite sea wall thereof of a kind of sea wall, particularly a kind of sea wall.
Background technology
Along with deepening continuously of China's reform and opening-up, China's economic construction stable and rapid development, especially economy development of coastal area has obtained remarkable achievement.As everyone knows, land resources is the important foundation that guarantees economic development, is accompanied by economic fast development, and the construction land growing tension is coated with to the seabeach and wants the soil, has become the common recognition of coastal economy developed regions.The bracing of foundation pit of building construction and ground are processed quantity also sharply to be increased, require also more and more highlyer, but be coated with the enrockment embankment method of making in the ground engineering enclosing in the past, need a large amount of exploitations and use building stones, surrounding enviroment are caused adverse influence, and large because of the embankment structure section, waste a large amount of soils.Adopt bored pile as main bending resistance component and adopting common enhancing body to form composite foundation, bored pile produces a large amount of mud in long-term construction, traditional technology has the shortcomings such as environment pollution is large, long construction period, construction costs height, therefore people inquire into various one-tenth dike methods constantly, have proposed multiple compound Haiti.
Chinese patent notification number CN200985497Y discloses a kind of dykes and dams, comprises sand cushion, the orlop that it is covered in earth's surface under water and is positioned at described dykes and dams; Plastic draining board, its interval and vertical described sand cushion setting; Be followed successively by the dorsad common external surface that forms the dykes and dams both sides in surface of piece stone bed course one side of hardcore bed, geotechnological layer of cloth, dike heart body, piece stone bed course, barrier board, block stone layer and barrier board; The upper surface of dike heart body is breastwork pad and breastwork.This dykes and dams only rely on plastic draining board and various Backfilled Stone Layer to construct, and the basis is insecure, and floor space is large, low bearing capacity.
Chinese patent notification number CN1296565C discloses frame mount type combined dam.A kind of for water conservancy, maritime engineering in the riverbed dykes and dams with the estuary improvement that goes to sea.It contains groove stake, mask precast plate, tensile tie-beam, and its middle slot stake is arranged to be no less than two rows, and the groove stake is provided with notch, and the thickness of mask precast plate and the shape of notch and size are complementary, mask precast plate piecemeal successively intercalation to adjacent two with in the emissions groove stake; The two ends of tensile tie-beam connect with adjacent two different-row groove piles respectively.The bottom of groove stake is preferably wedge shape.The bottom of the sole piece of mask precast plate is preferably wedge shape.The transverse shape of mask precast plate can be several fonts, also can be rectangle and T font.This combination dykes and dams consist of the groove stake, cost is high, bearing capacity is limited, tensile tie-beam is the intercalation structure, firmness is inadequate, dykes and dams still can not bearing pressure.
China Patent Publication No. CN1514068A relates to a kind of dam configuration body and job practices thereof.Described dam configuration body comprises stake, crossbeam, dividing plate; Described dam configuration body is a minute row, and each arranges the described stake that distributes, front-seat stake and adjacent row's an interlaced layout, and the stake of face is the first campshed near water, away from the first campshed is last campshed; Connect structure triangular in shape between the described adjacent studs by described crossbeam; Be provided with described dividing plate between described the first campshed, described dividing plate is not less than bank soil; According to the structure construction of described dam configuration body, successively cast stake, crossbeam, dividing plate.This dykes and dams openly the earliest, cast-in-place crossbeam is rigidly connected each pile body, is a kind of very outstanding dykes and dams, but still exist to need the difficult problem of construction at sea, dykes and dams primary filling earthwork is large simultaneously, easily causes sedimentation, dam body can't bearing pressure.
Summary of the invention
The object of the invention is to solve the dykes and dams floor space that exists in the background technology large, can not construct on land, dykes and dams can't bearing pressure etc. problem, a kind of pusher land construction in layer method is provided, provides simultaneously a kind of bearing capacity the large composite sea wall that can be used as the road surface.
To achieve these goals, technical scheme of the present invention is: a kind of job practices of sea wall casts basic dregs; Large diameter cylinder pile driving construction, the composite foundation of the king-sized large diameter pile of formation replacement ratio; Cast the secondary dregs at composite foundation, both sides arrange respectively prefabricated reinforced concrete member as retaining wall on secondary dregs aspect; Use the steel strand tractive between the reinforced concrete member of both sides; Banket in the middle of the retaining wall to absolute altitude formation road surface.During construction, first cast dregs in the sea wall starting point, form the construction basis, squeeze into the stake of major diameter cylinder, form compound foundation, along with composite foundation extends to the depths, on composite foundation, cast again dregs, prefabricated reinforced concrete member is placed respectively as retaining wall in ground both sides, top at secondary dregs layer, uses steel strand tractive, centre to banket to absolute altitude formation road surface between the reinforced concrete member of both sides, so that sea wall top is divided into a pseudoconjugant, the cross shear that the roadbed carrying weight that the pseudoconjugant upper surface forms produces is born by the steel strand between the retaining wall fully, and pile foundation is only born the gravity of pseudoconjugant like this, and resistance to overturning is good; Because the pulling force that the unit cross section of steel strand bears is maximum, adopt the steel strand tractive, can reduce to greatest extent the lateral force of reinforced concrete member, improved the firmness of pseudoconjugant.This sea wall, because the weak soil replacement ratio is large especially, good stability, on land construction of most of construction, easy construction; Adopt prefabricated reinforced concrete member retaining wall above the composite foundation, floor space is little, becomes dike speed fast.
As preferably, squeeze into the small diameter long stake on the described secondary dregs layer to bearing stratum.It is poor that this method is used for the sea wall environment, stressed complexity or the large occasion of sea wall road surface bearing capacity, for example the sea wall road surface doubles as speedway, because vertical lateral bearing power is all well strengthened, namely on the basis of major diameter short tubular pile, squeeze into the small diameter long stake with the short tubular pile dislocation, get to bearing stratum always, formed the composite foundation that jointly is comprised of the stake of height thickness, the basis is firmer.
As preferably, the reinforced concrete member of described retaining wall is that place in pairs both sides, and the mode of described steel strand tractive is for to drawing or oblique tractive.Reinforced concrete member is placed in pairs, and steel strand are to drawing, and one section dykes and dams is a pseudoconjugant; Reinforced concrete member is placed in pairs, the oblique tractive of an end of the reinforced concrete member that an end of each reinforced concrete member is adjacent with the opposite, and this oblique tractive, so that the end of adjacent reinforced concrete member is crowded together, being conducive to retaining wall becomes a pseudoconjugant.
As preferably, the reinforced concrete member of described retaining wall is that both sides are staggeredly placed, and the mode of described steel strand tractive is for to drawing or intersecting tractive.Reinforced concrete member is staggeredly placed, and is each concrete member concrete member tractive length direction and the opposite to the mode of drawing; The tractive that intersects is that the end tractive of two reinforced concrete members on the middle part of each reinforced concrete member and opposite is in the same place, and retaining wall is not easy to misplace like this, and whole retaining wall becomes a pseudoconjugant, and the stability of dykes and dams is stronger.
As preferably, squeeze into continuous impervious wall on the described secondary dregs layer.This method is used for the demanding sea wall of permeability rate, safety of building in the protection dike, and impervious wall can be located at the outside or the inboard of retaining wall.
As preferably, use a kind of composite sea wall of above-mentioned job practices, comprise basic dregs layer, equally distributed major diameter cylinder stake in the dregs layer of basis, lay secondary dregs layer on the dregs layer of basis, both sides arrange respectively reinforced concrete member as retaining wall on the secondary dregs layer, and the retaining wall of both sides is connected by steel strand respectively, the road surface to the absolute altitude formation dike of banketing, the inner and top of retaining wall.
The composite foundation that this sea wall is comprised of dregs and cylinder stake is made of the soil subgrade of reinforced concrete member clamping in the composite foundation setting; Because steel and concrete structure spare pseudoconjugant good stability, volume is large, and quality is heavy, and composite foundation is carried out suppression, and the large sedimentation of steel and concrete structure spare bottom area is little, has improved simultaneously the anti-shear ability of composite foundation; And the side strong shock resistance of reinforced concrete member, so the ability of sea wall storm resisting is large; Owing to adopting prefabricated component, so that the integral width of sea wall reduces, reduced the earthwork of sea wall, difficulty of construction is little and construction cost is low, becomes dike quick.
As preferably, the both sides of the reinforced concrete member of described retaining wall on secondary dregs layer in pairs or be crisscross arranged, each reinforced concrete member is connected reinforced concrete member by steel strand and is connected with the opposite.So that whole dykes and dams are a pseudoconjugant, the stability of dykes and dams is stronger like this.
As preferably, the small diameter long stake is crisscross arranged on the described secondary dregs layer.It is poor that the sea wall of this structure is applied to environment, and stressed complexity or the large occasion of sea wall road surface bearing capacity are on the basis of major diameter short tubular pile, squeeze into the small diameter long stake with the short tubular pile dislocation, get to bearing stratum always, formed the composite foundation that jointly is comprised of the stake of height thickness, the basis is firmer.
As preferably, on the described secondary dregs layer continuous impervious wall is set.This structure is mainly used in the demanding sea wall of permeability rate, uses continuous impervious wall, can improve the water resistance in the dike.Impervious wall is in the outside of retaining wall or in the centre of two retaining walls.Where specifically be arranged on, or select to determine according to dike location environment and instructions for use.
As preferably, the reinforced concrete member of described retaining wall is caisset or buttress structure or hanging wall construction.The prefabricated component of these 3 kinds of structures is often to use when building sea wall, and its floor space is large, highly can design according to demand, and is lightweight, is fit to very much the present invention and makes retaining wall for tractive.
The job practices of a kind of sea wall of the present invention and composite sea wall have obvious advantage: since only on land construction, easy construction; Adopt prefabricated reinforced concrete member retaining wall above the composite foundation, floor space is little, becomes dike speed fast; Sea wall structure is stable, and capacity of anti-storm is strong; The dike face can be used as road and uses.
Description of drawings
Fig. 1 is that the present invention casts dregs construction technology schematic diagram;
Fig. 2 is that the present invention has muscle cylinder pile constructing process schematic diagram;
Fig. 3 is that the present invention casts secondary dregs construction technology schematic diagram;
Fig. 4 is that the present invention casts retaining wall construction technology schematic diagram is set;
Fig. 5 is that the present invention casts tractive steel strand construction technology schematic diagram;
Fig. 6 is that the present invention casts and bankets to absolute altitude construction technology schematic diagram;
Fig. 7 is that reinforced concrete member of the present invention is placed steel strand in pairs to drawing schematic diagram;
Fig. 8 is that reinforced concrete member of the present invention is placed steel strand inclined in pairs to the tractive schematic diagram;
Fig. 9 is that reinforced concrete member dislocation of the present invention is placed steel strand to drawing schematic diagram;
Figure 10 is that steel strand intersection tractive schematic diagram is placed in reinforced concrete member dislocation of the present invention;
Figure 11 is the sea wall schematic diagram of a kind of buttress structure retaining wall of the present invention;
Figure 12 is the sea wall schematic diagram of a kind of hanging wall construction retaining wall of the present invention;
Figure 13 is the sea wall schematic diagram of a kind of caisset retaining wall of the present invention;
Number in the figure is respectively: 10. stakes of 00. dregs, 20. secondary dregs, 30. retaining walls, 31. counterforts, 32. suspended walls, 33. caissons, 40. steel strand 50., 60. long stake 70. waterwalls that banket.
The specific embodiment
Also by reference to the accompanying drawings technical scheme of the present invention is further described specifically below by embodiment.
Embodiment 1:
Shown in Fig. 1,2,3,4,5,6,7, a kind of composite sea wall, first casting width at beach is that 60 meters dregs 00 is to low tide (seeing Fig. 1 for details), 1.5 meters of diameters are squeezed in the 4.8 meters dislocation in interval on 00 layer of dregs, dark 30 meters have a muscle cylinder stake 10, minimum reinforcement ratio 30kg/m forms bottom large diameter pile composite foundation (seeing Fig. 2 for details); Lay geotextiles, cast 2 meters of secondary dregs 20(macadams, 3 meters on dregs layer) (seeing Fig. 3 for details); Both sides are high 6 meters at a distance of 30 meters paired placements on secondary dregs 20, and the prefabricated reinforced concrete member that length is 4.8 meters---counterfort 31 sees Fig. 4 for details as retaining wall 30(); Use the steel strand 40 of 16 millimeters of diameters at the middle part of counterfort 31 31 pairs of paired counterforts to be drawn (seeing Fig. 5,7 for details), near two end faces of every counterfort 31 place's tractive is arranged; 50 compactings of banketing between counterfort 31 form road surface (seeing Fig. 6 for details).
Embodiment 2:
Shown in Fig. 1,2,3,4,5,8,11, a kind of sea wall of buttress structure retaining wall: the construction of front is referring to embodiment 1, both sides are high 6 meters at a distance of 30 meters paired placements on secondary dregs 20, and the prefabricated reinforced concrete member that length is 4.8 meters---counterfort 31 sees Fig. 4 for details as retaining wall 30(); Also the solid long stake of five rows of 0.6 meter of diameter 68 is squeezed into to bearing stratum with muscle cylinder stake 10 dislocation are arranged in 4.8 meters at interval; Squeeze into 0.4 meter wide, dark 14 meters impervious wall 70 in the border on the sea outside of face of counterfort 31; Steel strand 40 tractive modes are oblique tractive (seeing Fig. 8 for details); 50 compactings of banketing between counterfort 31 form road surface (seeing Figure 11 for details).
Embodiment 3:
Shown in Fig. 1,2,3,4,5,9,12, a kind of sea wall of hanging wall construction retaining wall: the construction of front is referring to embodiment 1, after casting secondary dregs 20, also the solid long stake of six rows of 0.6 meter of diameter 68 is squeezed into to bearing stratum with muscle cylinder stake 10 dislocation are arranged in 4.8 meters at interval; Both sides are high 6 meters at a distance of 30 meters dislocation placements on secondary dregs 20, and the prefabricated reinforced concrete member that length is 4.8 meters---suspended wall 32 is as retaining wall 30; Squeeze into 0.5 meter wide, dark 14 meters impervious wall 70 in the border on the sea outside of face of suspended wall 32; Steel strand 40 tractive modes are to drawing (seeing Fig. 9 for details); 50 compactings of banketing between suspended wall 32 form road surface (seeing Figure 12 for details).
Embodiment 4:
Shown in Fig. 1,2,3,4,5,10,13, a kind of sea wall of caisset retaining wall: the construction of front after casting secondary dregs 20, is squeezed into 0.5 meter wide in secondary dregs 20 upper central, dark 14 meters impervious wall 70 referring to embodiment 1; Both sides are high 6 meters at a distance of 30 meters dislocation placements on secondary dregs 20, and prefabricated reinforced concrete member-caisson 33 that length is 4.8 meters is as retaining wall 30; Steel strand 40 tractive modes are for intersecting tractive (seeing Figure 10 for details), and steel strand 40 tractives are two layers up and down; 50 compactings of banketing between caisson 33 form road surface (seeing Figure 13 for details).
By above-described embodiment, we can see construction technology of the present invention, do here and to sum up: first the land beach cast dregs to low tide to advancing in the sea; Squeeze into major diameter cylinder stake form compound foundation at the dregs layer; Cast the secondary dregs at composite foundation; Squeeze into continuous impervious wall for the sea wall that the antiseepage requirement is arranged at secondary dregs layer; For the high occasion of sea wall requirement of strength, squeeze into solid long stake to bearing stratum at secondary dregs layer, the basic foundation that is jointly formed by the stake of thickness length; Above the secondary dregs layer both sides in pairs or dislocation put the prefabricated reinforced concrete member of suspended wall or counterfort or caisson, form the main wind and wave resistance wall of sea wall; To drawing or intersecting tractive or oblique tractive, the middle earth filling tamping of reinforced concrete member forms the road surface by steel strand for the suspended wall of sea wall both sides or counterfort or caisson reinforced concrete member, by the steel strand tractive so that whole dykes and dams are a pseudoconjugant.Be characterized in: mainly on land construction, easy construction; Adopt prefabricated reinforced concrete member retaining wall above the composite foundation, floor space is little, becomes dike speed fast; Sea wall structure is stable, and capacity of anti-storm is strong; The dike face can be used as road, and especially speedway kills two birds with one stone.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit, those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described stake, long stake, suspended wall, counterfort, caisson and impervious wall etc. and reach combination, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (10)
1. the job practices of a sea wall, cast basic dregs, large diameter cylinder pile driving construction, form the composite foundation of large diameter pile, it is characterized in that: cast the secondary dregs on the described composite foundation, both sides arrange respectively prefabricated reinforced concrete member as retaining wall on secondary dregs aspect, use the steel strand tractive between the reinforced concrete member of both sides, banket in the middle of the retaining wall to absolute altitude formation road surface.
2. the job practices of a kind of sea wall according to claim 1 is characterized in that: squeeze into the small diameter long stake on the described secondary dregs layer to bearing stratum.
3. the job practices of a kind of sea wall according to claim 1, it is characterized in that: the reinforced concrete member of described retaining wall is that place in pairs both sides, the mode of described steel strand tractive is for to drawing or oblique tractive.
4. the job practices of a kind of sea wall according to claim 1, it is characterized in that: the reinforced concrete member of described retaining wall is that both sides are staggeredly placed, the mode of described steel strand tractive is for to drawing or intersecting tractive.
5. it is characterized in that: squeeze into continuous impervious wall on the described secondary dregs layer according to claim 1 and 2 or the job practices of 3 or 4 described a kind of sea walls.
6. application rights requires a kind of composite sea wall of 1 described job practices, comprise basic dregs layer, equally distributed major diameter cylinder stake in the dregs layer of basis, it is characterized in that: lay secondary dregs layer on the described basic dregs layer, both sides arrange respectively reinforced concrete member as retaining wall on the secondary dregs layer, the retaining wall of both sides is connected by steel strand respectively, the road surface to the absolute altitude formation dike of banketing, the inner and top of retaining wall.
7. described a kind of composite sea wall according to claim 6 is characterized in that: the both sides of the reinforced concrete member of described retaining wall on secondary dregs layer in pairs or be crisscross arranged, each reinforced concrete member is connected reinforced concrete member by steel strand and is connected with the opposite.
8. described a kind of composite sea wall according to claim 6 is characterized in that: the major diameter cylinder stake of the described secondary dregs layer up and down layer small diameter long stake that is crisscross arranged.
9. described a kind of composite sea wall according to claim 6 is characterized in that: on the described secondary dregs layer continuous impervious wall is set.
10. according to claim 6 or 7 or 8 or 9 described a kind of composite sea walls, it is characterized in that: the reinforced concrete member of described retaining wall is caisset or buttress structure or hanging wall construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110180882.0A CN102852118B (en) | 2011-06-30 | The construction method of a kind of sea wall and composite sea wall thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110180882.0A CN102852118B (en) | 2011-06-30 | The construction method of a kind of sea wall and composite sea wall thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN102852118A true CN102852118A (en) | 2013-01-02 |
| CN102852118B CN102852118B (en) | 2016-12-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104264707A (en) * | 2014-09-19 | 2015-01-07 | 上海市政工程设计研究总院（集团）有限公司 | Elevated road ramp approach section retaining structure |
| CN106049350A (en) * | 2016-07-26 | 2016-10-26 | 浙江省水利水电勘测设计院 | Anti-seepage seawall with pile foundation framework rib plate structures |
| CN108643122A (en) * | 2018-04-24 | 2018-10-12 | 中国海洋大学 | A kind of vegetation and aritificial horizon combined type energy dissipating dike and its construction method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104264707A (en) * | 2014-09-19 | 2015-01-07 | 上海市政工程设计研究总院（集团）有限公司 | Elevated road ramp approach section retaining structure |
| CN104264707B (en) * | 2014-09-19 | 2017-01-11 | 上海市政工程设计研究总院（集团）有限公司 | Elevated road ramp approach section retaining structure |
| CN106049350A (en) * | 2016-07-26 | 2016-10-26 | 浙江省水利水电勘测设计院 | Anti-seepage seawall with pile foundation framework rib plate structures |
| CN108643122A (en) * | 2018-04-24 | 2018-10-12 | 中国海洋大学 | A kind of vegetation and aritificial horizon combined type energy dissipating dike and its construction method |
| CN108643122B (en) * | 2018-04-24 | 2020-07-03 | 中国海洋大学 | Vegetation and artificial dike combined energy dissipation dike and construction method thereof |
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Effective date of registration: 20170927 Address after: 300450 Tianjin city Nankai District the Yellow River Yichuan Road 6 North Building 5 705 Co-patentee after: Shi Weiyan Patentee after: Li Yanrui Address before: 315041 room 6, Lane 1805, Xingning alley, Jiangdong District, Zhejiang, Ningbo Patentee before: Chen Dongshu |
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Effective date of registration: 20180608 Address after: 221000 Room 202, A6 office building, Xuzhou Road North Pioneer Park, Xuzhou Industrial Park, Jiawang, Xuzhou, Jiangsu. Patentee after: Jiangsu Wanatchee electromechanical equipment Engineering Co. Address before: 300450 Tianjin Nankai District the Yellow River Road, Yichuan North Li 6 Building 5 door 705 Co-patentee before: Shi Weiyan Patentee before: Li Yanrui |
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