CN111139847A - Water stopping structure of shoal reclamation area and water stopping method using water stopping structure - Google Patents
Water stopping structure of shoal reclamation area and water stopping method using water stopping structure Download PDFInfo
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- CN111139847A CN111139847A CN202010061832.XA CN202010061832A CN111139847A CN 111139847 A CN111139847 A CN 111139847A CN 202010061832 A CN202010061832 A CN 202010061832A CN 111139847 A CN111139847 A CN 111139847A
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- layer
- steel pipe
- reclamation area
- tidal
- water stopping
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 122
- 239000010959 steel Substances 0.000 claims abstract description 122
- 238000007789 sealing Methods 0.000 claims description 12
- 230000002262 irrigation Effects 0.000 claims description 4
- 238000003973 irrigation Methods 0.000 claims description 4
- 230000004323 axial length Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 5
- 238000000429 assembly Methods 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000003628 erosive effect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 abstract 14
- 239000002356 single layer Substances 0.000 abstract 1
- 239000004575 stone Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/18—Making embankments, e.g. dikes, dams
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
Abstract
The invention discloses a water stopping structure of a tidal marsh reclamation area and a water stopping method using the same, wherein the water stopping structure comprises a steel pipe layer, a filling layer and a fixing layer which are sequentially arranged from the edge of the tidal marsh reclamation area to the direction far away from the tidal marsh reclamation area, a closed annular structure is formed around the tidal marsh reclamation area, and the bottom end of the steel pipe layer penetrates through and is positioned below a riprap layer of the tidal marsh reclamation area; the steel pipe layer is supported each other in proper order by a plurality of steel pipes and encloses to establish and form, and the filling layer is that a plurality of towards irritate the bag and closely pile up and form, and the fixed bed comprises a plurality of steel sheet concatenations. The water stopping structure of the coastal reclamation area and the water stopping method using the same effectively block the area of the riprap layer by the three-layer structure from inside to outside and the bottom end of the water stopping structure penetrates through the riprap layer, compared with the traditional single-layer blocking structure, the water stopping structure has the advantages of better blocking effect, higher strength and higher compactness, effectively isolates the erosion of a water flow layer, firstly piles are driven to form the steel pipe layer and then the fixed layer during construction, and finally the operation of forming the filling layer accelerates the laying efficiency and achieves better laying effect.
Description
Technical Field
The invention relates to a tidal marsh reclamation area, in particular to a water stopping structure of the tidal marsh reclamation area and a water stopping method using the same.
Background
China has abundant coastal resources and fertile soil, so that the potential of building a coastal reclamation area to develop production is huge. In the coastal reclamation area, the riprap layer is an important part for forming the reclamation foundation, however, the riprap layer has large porosity, hard texture and loose structure, so a water stop structure is required to be arranged for water prevention in the first place for the construction of the reclamation area.
Common seawall construction water stopping measure carries out the cofferdam for only using the steel sheet pile, but on the one hand, the steel sheet pile is because comparatively single thin, very easily influences the straightness that hangs down of steel sheet pile owing to the hard texture of cast stone when beating to the cast stone in situ, leads to the steel sheet pile to produce and warp, can't have a better straightness that hangs down to influence stagnant water effect, and on the other hand, because the deformation of board, lead to also can't set up the fore shaft structure between every steel sheet pile unit and lock, not only the structure is insecure, still further because there is the gap between and more be unfavorable for stagnant water.
Disclosure of Invention
The invention aims to overcome the defect of poor water stopping capability of a water stopping structure of a polishing stone layer in a tidal marsh reclamation area in the prior art, and provides a water stopping structure of the tidal marsh reclamation area and a water stopping method using the same.
The invention solves the technical problems through the following technical scheme:
the water stopping structure of the tidal marsh reclamation area is characterized by comprising a steel pipe layer, a filling layer and a fixing layer which are sequentially arranged from the edge of the tidal marsh reclamation area to the direction far away from the tidal marsh reclamation area in a surrounding mode, wherein the steel pipe layer, the filling layer and the fixing layer form a closed annular structure around the tidal marsh reclamation area, and the bottom end of the steel pipe layer penetrates through and is located below a polished layer of the tidal marsh reclamation area;
the steel pipe layer is formed by a plurality of steel pipes which are sequentially abutted against each other to be surrounded, the filling layer is formed by tightly stacking a plurality of irrigation bags, and the fixing layer is formed by splicing a plurality of steel plates.
This coastal reclamation district stagnant water structure from interior to exterior has set up the steel-pipe layer, the three layer construction of filling layer and fixed bed, and the bottom of steel-pipe layer and fixed bed has all passed the throwing stone layer, the region on throwing stone layer has effectively been enclosed and has kept off, it is better to enclose the fender effect in traditional individual layer steel sheet pile compared, it is big not only to have intensity, the steel-pipe layer that the fixity is strong, still lay the filling layer on the outer strata, the compactness is high, the erosion on the outer rivers layer of coastal reclamation district has been enclosed to the coastal reclamation district has been completely cut off more effectively, in addition fixed bed side supports the filling layer, make the filling layer keep inseparable not loose, thereby the infiltration of water has fully been blockked.
Preferably, the side wall of the steel pipe is provided with a locking assembly, and the steel pipes are fixedly connected with each other through the locking assembly. The fore shaft subassembly is connected two adjacent steel pipes and can be made inseparabler between two steel pipes, avoids appearing too big gap in the middle.
Preferably, the locking notch assembly comprises a buckle and a clamping groove, the buckle and the clamping groove are respectively arranged on the surfaces of the steel pipes, and the adjacent steel pipes are clamped in the clamping groove through the buckle to realize fixed connection. The mode that buckle and draw-in groove cooperation are connected can make the assembling process simple more quick, and connect firmly.
Preferably, the length direction of the buckle and the clamping groove extends along the axial direction of the steel pipe, and the length of the buckle and the clamping groove is equal to the axial length of the steel pipe. The length of buckle and draw-in groove sets up along the axis length of steel pipe can follow the gap between two sealed steel pipes down, prevents that sealed not enough or joint strength is not enough to appear the problem and appears.
Preferably, the buckle is a bar-shaped I-steel, and the clamping groove is a bar-shaped channel steel with an opening on the surface. The strip-shaped I-steel and the strip-shaped channel steel are steel structures commonly used in production places, are convenient to take and use, are low in cost, and are simple and reliable in connection mode and easy to assemble.
Preferably, the top of the filling layer is higher than the level of the water flow layer outside the tidal reclamation area, and the thickness of the filling layer is 0.5 to 1.5 meters. The top of the filling layer is higher than the horizontal plane of the water flow layer, so that the filling layer can fully obstruct water at the periphery of the reclamation area, and when the surface of the fixing layer at the outermost layer is eroded by water for a long time and has mottled pores, the filling layer still keeps the complete obstruction effect on the water flow layer.
A water stopping method for a tidal reclamation area, which is used for stopping a polished layer of the tidal reclamation area, is characterized in that the water stopping method for the tidal reclamation area uses the water stopping structure for the tidal reclamation area, and the water stopping method for the tidal reclamation area comprises the following steps:
s1, piling the steel pipe until the bottom end of the steel pipe is located below the riprap layer to form the steel pipe layer;
s2, piling the fixed layer on the periphery of the steel pipe layer;
and S3, filling the space between the steel pipe layer and the fixed layer by using a filling bag to form the filling layer.
This stagnant water method of coastal reclamation district firstly piles the steel-pipe layer, secondly is the fixed bed, form the filling layer between steel-pipe layer and fixed bed at last, this kind of operation order is firstly lay the convenient range of laying of confirming the filling layer after having formed the space between steel-pipe layer and the fixed bed, the efficiency of laying is accelerated, secondly lay after confirming the range of laying again and can more closely fill the space between steel-pipe layer and the fixed bed, make the filling layer structure inseparabler, better laying effect has been reached.
Preferably, the side wall of the steel pipe is provided with a locking assembly, each steel pipe is fixedly connected with each other through the locking assembly, the locking assembly includes a buckle and a slot, the buckle and the slot are respectively arranged on the surface of the steel pipe, the adjacent steel pipes are fixedly connected with each other through the buckle in the slot, and the step S1 specifically includes the following steps:
s11, performing pile driving operation on the first steel pipe of the steel pipe layer until the bottom end of the steel pipe is located below the riprap layer;
s12, aligning and matching the buckle of the next steel pipe with the clamping groove of the previous steel pipe, and then continuing to perform piling operation to enable the buckle to be positioned in the clamping groove, and piling the bottom end of each steel pipe to be below the riprap layer;
and S13, grouting in the clamping groove between the two steel pipes after piling is finished.
In step S13, the connecting clip groove between the two steel pipes after pile driving is grouted, so as to increase the fixing strength between the two steel pipes and avoid large looseness or gaps.
Preferably, the step S3 specifically includes the following steps:
s31, stacking the first layer of irrigation bags with the stacking thickness of 1-2 m;
and S22, standing for 24-48 hours after the filling bags in one layer are stacked, and then stacking the lower layer.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
the water stopping structure of the coastal reclamation area and the water stopping method using the same are provided with the three-layer structure of the steel pipe layer, the filling layer and the fixing layer from inside to outside, the bottom end of the water stopping structure penetrates through the riprap layer, so that the area of the riprap layer is effectively enclosed.
Drawings
Fig. 1 is a schematic structural view of a water stopping structure in a tidal reclamation area according to a preferred embodiment of the invention.
Fig. 2 is a schematic structural view of a water stopping structure in a tidal reclamation area according to a preferred embodiment of the invention.
FIG. 3 is a schematic structural view of a steel pipe of a water stop structure in a tidal reclamation area according to a preferred embodiment of the present invention.
FIG. 4 is a schematic flow chart of the water stopping method for tidal reclamation areas according to the preferred embodiment of the invention.
Description of reference numerals:
steel pipe layer 1
Buckle 12
Filling layer 2
Fixed layer 3
Polishing stone layer 10
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 to 3, the present invention provides a water stopping structure for a tidal marsh reclamation area and a water stopping method using the same, wherein the water stopping structure for the tidal marsh reclamation area comprises a steel pipe layer 1, a filling layer 2 and a fixing layer 3 which are sequentially enclosed from the edge of the tidal marsh reclamation area to the direction far away from the tidal marsh reclamation area, the steel pipe layer 1, the filling layer 2 and the fixing layer 3 form a closed annular structure around the tidal marsh reclamation area, and the bottom end of the steel pipe layer 1 passes through and is located below a polished layer 10 of the tidal marsh reclamation area; the steel pipe layer 1 is formed by a plurality of steel pipes 11 which are sequentially abutted against each other and surrounded, the filling layer 2 is formed by tightly stacking a plurality of filling bags, and the fixed layer 3 is formed by splicing a plurality of steel plates.
This coastal reclamation district stagnant water structure from interior to exterior has set up steel-pipe layer 1, the three layer construction of filling layer 2 and fixed bed 3, and steel-pipe layer 1 and fixed bed 3's bottom has all passed the throwing stone layer 10, the region of throwing stone layer 10 has effectively been enclosed, it is better to enclose the fender effect in traditional individual layer steel sheet pile compared, not only it is big to have intensity, the strong steel-pipe layer 1 of fixity, still lay filling layer 2 on the outer layer, compactness is high, the erosion of coastal reclamation district outer rivers layer 20 has been completely cut off more effectively, in addition, 3 side supporting layers 2 of fixed bed, make filling layer 2 keep inseparable not loose, thereby the infiltration of water has fully been blockked.
Further, the side wall of the steel tube 11 is provided with a locking assembly, and each steel tube 11 is fixedly connected with each other through the locking assembly. The fore shaft assembly is connected with two adjacent steel pipes 11, so that the two steel pipes 11 are closer to each other, and an overlarge gap is avoided. The fore shaft subassembly includes buckle 12 and draw-in groove 13, and buckle 12 and draw-in groove 13 set up respectively in the surface of steel pipe 11, locate through buckle 12 card between the adjacent steel pipe 11 and realize fixed connection in draw-in groove 13. The mode that buckle 12 and draw-in groove 13 cooperate to be connected can make the assembly process simple more quick, and connect firmly.
The longitudinal direction of the clip 12 and the engaging groove 13 extends along the axial direction of the steel pipe 11, and the length of the clip 12 and the engaging groove 13 is equal to the axial length of the steel pipe 11. The length of buckle 12 and draw-in groove 13 sets up along the axis length of steel pipe 11 can be from last to the gap between two steel pipes 11 of sealing down, prevents that sealed not enough or joint strength is not enough problem from appearing. In this embodiment, the clip 12 is a bar-shaped i-steel, and the clip groove 13 is a bar-shaped channel steel with an opening on the surface. The strip-shaped I-steel and the strip-shaped channel steel are steel structures commonly used in production places, are convenient to take and use, are low in cost, and are simple and reliable in connection mode and easy to assemble.
In addition, the top of the filling layer 2 is higher than the level of the water current layer 20 outside the tidal reclamation area, and the thickness of the filling layer 2 is 0.5 m to 1.5 m. The top of the filling layer 2 is higher than the level of the water flow layer 20, so that the filling layer 2 can fully block water at the periphery of the reclamation area, and when the surface of the fixing layer 3 positioned at the outermost layer is corroded by water for a long time and has pore mottle, the filling layer 2 still keeps the complete blocking effect on the water flow layer 20. In the present embodiment, the thickness of the filling layer 2 is 1 meter.
The coastal reclamation area in the embodiment can be constructed by laying the back cover layer 30 on the surface of the internal flint layer 10 which is laid in the water stop structure enclosure and fixing the bearing platform structure 40 above the back cover layer 30.
As shown in fig. 4, the present invention also provides a method for sealing water in a tidal marsh reclamation area, which is used for sealing a polished layer of the tidal marsh reclamation area, and the method for sealing water in a tidal marsh reclamation area uses the above-mentioned structure for sealing water in a tidal marsh reclamation area, and the method for sealing water in a tidal marsh reclamation area comprises the following steps:
s1, performing pile driving operation on the first steel pipe of the steel pipe layer until the bottom end of the steel pipe is positioned below the riprap layer;
s2, aligning and matching the buckle of the next steel pipe with the clamping groove of the previous steel pipe, and then continuing pile driving operation to enable the buckle to be positioned in the clamping groove, and driving the bottom end of each steel pipe to be below the riprap layer;
s3, grouting in a clamping groove between the two steel pipes after piling is finished;
s4, piling a fixed layer on the periphery of the steel pipe layer until the bottom end of the fixed layer is positioned below the riprap layer;
s5, stacking the steel pipe layer and the space between the fixed layers for the first layer by using a flushing bag, wherein the stacking thickness is 1 m;
and S6, standing for 24-48 hours after the stacking of the first layer of filling bags is finished, and then stacking the lower layer until a complete filling layer is formed.
This stagnant water method of coastal reclamation district firstly piles steel pipe layer 1, secondly is fixed bed 3, form filling layer 2 between steel pipe layer 1 and fixed bed 3 at last, this kind of operation order is firstly lay filling layer 2 again after having formed the space between steel pipe layer 1 and the fixed bed 3 and conveniently confirm the range of laying of filling layer 2, the efficiency of laying is accelerated, secondly lay again after confirming the range of laying and can more closely fill the space between steel pipe layer 1 and the fixed bed 3, make filling layer 2 structure inseparabler, better laying effect has been reached. Grouting is carried out in the connecting clamping groove 13 between the two steel pipes 11 after piling is finished, the fixing strength between the two steel pipes 11 is increased, and large looseness or gaps are avoided.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (9)
1. The water stopping structure of the tidal marsh reclamation area is characterized by comprising a steel pipe layer, a filling layer and a fixing layer which are sequentially arranged from the edge of the tidal marsh reclamation area to the direction far away from the tidal marsh reclamation area in a surrounding mode, wherein the steel pipe layer, the filling layer and the fixing layer form a closed annular structure around the tidal marsh reclamation area, and the bottom end of the steel pipe layer penetrates through and is located below a polished layer of the tidal marsh reclamation area;
the steel pipe layer is formed by a plurality of steel pipes which are sequentially abutted against each other to be surrounded, the filling layer is formed by tightly stacking a plurality of irrigation bags, and the fixing layer is formed by splicing a plurality of steel plates.
2. The coastal reclamation area water stopping structure as recited in claim 1, wherein the side walls of the steel pipes are provided with locking notch assemblies, and each of the steel pipes are fixedly connected with each other through the locking notch assemblies.
3. The coastal reclamation area water stopping structure of claim 2, wherein the locking notch component comprises a buckle and a clamping groove, the buckle and the clamping groove are respectively arranged on the surfaces of the steel pipes, and the adjacent steel pipes are fixedly connected by the buckle clamped in the clamping groove.
4. The tidal reclamation area water stopping structure of claim 3, wherein the length direction of the clip and the slot extends along the axial direction of the steel pipe, and the length of the clip and the slot is equal to the axial length of the steel pipe.
5. The coastal reclamation area water stopping structure of claim 4, wherein the buckle is a strip-shaped I-shaped steel, and the clamping groove is a strip-shaped steel channel with an opening on the surface.
6. The water stopping structure of a tidal reclamation area of claim 1, wherein the top of the infill layer is higher than the level of the water current layer outside the tidal reclamation area, and the infill layer has a thickness of 0.5 m to 1.5 m.
7. A method of sealing up water in a tidal reclamation area for sealing up a riprap layer of the tidal reclamation area, the method of sealing up water in a tidal reclamation area using the tidal reclamation area sealing up structure of claim 1, the method of sealing up water in a tidal reclamation area comprising the steps of:
s1, piling the steel pipe until the bottom end of the steel pipe is located below the riprap layer to form the steel pipe layer;
s2, piling the fixed layer on the periphery of the steel pipe layer;
and S3, filling the space between the steel pipe layer and the fixed layer by using a filling bag to form the filling layer.
8. The method for stopping water in an coastal reclamation area as recited in claim 7, wherein the side walls of the steel pipes are provided with locking notch assemblies, each of the steel pipes are fixedly connected with each other through the locking notch assemblies, each of the locking notch assemblies comprises a buckle and a clamping groove, the buckles and the clamping grooves are respectively arranged on the surfaces of the steel pipes, and the adjacent steel pipes are fixedly connected with each other through the buckles clamped in the clamping grooves, wherein the step S1 specifically comprises the following steps:
s11, performing pile driving operation on the first steel pipe of the steel pipe layer until the bottom end of the steel pipe is located below the riprap layer;
s12, aligning and matching the buckle of the next steel pipe with the clamping groove of the previous steel pipe, and then continuing to perform piling operation to enable the buckle to be positioned in the clamping groove, and piling the bottom end of each steel pipe to be below the riprap layer;
and S13, grouting in the clamping groove between the two steel pipes after piling is finished.
9. The method of sealing up water in a tidal reclamation area as set forth in claim 7, wherein the step S3 specifically comprises the steps of:
s31, stacking the first layer of irrigation bags with the stacking thickness of 1-2 m;
and S22, standing for 24-48 hours after the filling bags in one layer are stacked, and then stacking the lower layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010061832.XA CN111139847A (en) | 2020-01-17 | 2020-01-17 | Water stopping structure of shoal reclamation area and water stopping method using water stopping structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010061832.XA CN111139847A (en) | 2020-01-17 | 2020-01-17 | Water stopping structure of shoal reclamation area and water stopping method using water stopping structure |
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| CN111139847A true CN111139847A (en) | 2020-05-12 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837511A (en) * | 2006-04-07 | 2006-09-27 | 上海市政工程设计研究总院 | Double-rowed cofferdam and method for manufacturing the same |
| CN102140794A (en) * | 2010-02-02 | 2011-08-03 | 中交二公局第五工程有限公司 | Design method for section steel latch steel pipe pile enclosure structure |
| CN105040595A (en) * | 2015-07-28 | 2015-11-11 | 中国十九冶集团有限公司 | Retaining structure of foundation pit for main pier bearing platform of bridge at river bedrock on gentle slope and construction method thereof |
| JP6200550B1 (en) * | 2016-05-27 | 2017-09-20 | 鹿島建設株式会社 | Temporary deadline method, temporary deadline structure |
| CN109235474A (en) * | 2018-10-31 | 2019-01-18 | 中铁十八局集团第五工程有限公司 | Structure and its construction technology based on the super large cofferdam under marine environment |
| CN110499772A (en) * | 2019-08-29 | 2019-11-26 | 中天路桥有限公司 | A kind of rock matter riverbed double-layer plate pile cofferdam construction method |
| CN211646432U (en) * | 2020-01-17 | 2020-10-09 | 上海公路桥梁（集团）有限公司 | Water stopping structure for shoal reclamation area |
-
2020
- 2020-01-17 CN CN202010061832.XA patent/CN111139847A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837511A (en) * | 2006-04-07 | 2006-09-27 | 上海市政工程设计研究总院 | Double-rowed cofferdam and method for manufacturing the same |
| CN102140794A (en) * | 2010-02-02 | 2011-08-03 | 中交二公局第五工程有限公司 | Design method for section steel latch steel pipe pile enclosure structure |
| CN105040595A (en) * | 2015-07-28 | 2015-11-11 | 中国十九冶集团有限公司 | Retaining structure of foundation pit for main pier bearing platform of bridge at river bedrock on gentle slope and construction method thereof |
| JP6200550B1 (en) * | 2016-05-27 | 2017-09-20 | 鹿島建設株式会社 | Temporary deadline method, temporary deadline structure |
| CN109235474A (en) * | 2018-10-31 | 2019-01-18 | 中铁十八局集团第五工程有限公司 | Structure and its construction technology based on the super large cofferdam under marine environment |
| CN110499772A (en) * | 2019-08-29 | 2019-11-26 | 中天路桥有限公司 | A kind of rock matter riverbed double-layer plate pile cofferdam construction method |
| CN211646432U (en) * | 2020-01-17 | 2020-10-09 | 上海公路桥梁（集团）有限公司 | Water stopping structure for shoal reclamation area |
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