CN109083172A - Coastal beach area adapts to the earth rock cofferdam and its construction method that northern ice slush influences - Google Patents
Coastal beach area adapts to the earth rock cofferdam and its construction method that northern ice slush influences Download PDFInfo
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- CN109083172A CN109083172A CN201811107377.1A CN201811107377A CN109083172A CN 109083172 A CN109083172 A CN 109083172A CN 201811107377 A CN201811107377 A CN 201811107377A CN 109083172 A CN109083172 A CN 109083172A
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- Prior art keywords
- cofferdam
- ice slush
- earth rock
- construction method
- gabion
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011435 rock Substances 0.000 title claims abstract description 44
- 238000010276 construction Methods 0.000 title claims abstract description 35
- 239000004575 stone Substances 0.000 claims abstract description 31
- 239000004746 geotextile Substances 0.000 claims abstract description 25
- 239000004576 sand Substances 0.000 claims abstract description 15
- 239000000945 filler Substances 0.000 claims abstract description 10
- 238000005253 cladding Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002689 soil Substances 0.000 claims description 13
- 230000004907 flux Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The earth rock cofferdam and its construction method that a kind of Coastal beach area adaptation north ice slush influences belong to technical field of civil engineering, and in particular to a kind of Coastal beach area adapts to the earth rock cofferdam and its construction method of northern ice slush influence.The present invention provides a kind of earth rock cofferdam and its construction method for adapting to northern ice slush influence.Earth rock cofferdam of the invention includes two parallel Cipolletti weir bodies, it is native hardcore between two Cipolletti weir bodies, it is characterized by: the Cipolletti weir body is formed by least three layers of Stacking units stacking, the Stacking units include packed sand stone layer, packed sand stone layer outer cladding is provided with geotextiles, the external side surface of Cipolletti weir is provided with gabion, has been filled with filler in gabion.
Description
Technical field
The invention belongs to technical field of civil engineering, and in particular to a kind of Coastal beach area adaptation north ice slush influences
Earth rock cofferdam and its construction method.
Background technique
When coastal area carries out road or bridge construction, due to being influenced by tide, native stone is often built on beach
Cofferdam.And beach is mostly soft soil foundation, weak soil is usually to deposit in flowing water environment, and moisture content is high and compressibility is big, is resisted
It is low to cut intensity.Since common earth rock cofferdam is levelled to the ground quickly under the washing away of tide wave, therefore mostly use geotextiles
It is built.
But in northern area, in the ice slush phase, wave pushes ice slush, can cut geotextiles quickly, native stone is rapidly losing, makes soil
Stone cofferdam is quickly destroyed and ineffective.
Summary of the invention
The present invention addresses the above problem, provides a kind of earth rock cofferdam and its construction party for adapting to northern ice slush and influencing
Method.
In order to realize that above-mentioned purpose of the invention, the present invention adopt the following technical scheme that, earth rock cofferdam of the invention includes
Two parallel Cipolletti weir bodies are native hardcore between two Cipolletti weir bodies, it is characterised in that: the Cipolletti weir body is by least three layers
Stacking units stacking forms, and the Stacking units include packed sand stone layer, and packed sand stone layer outer cladding is provided with geotextiles, described
The external side surface of Cipolletti weir is provided with gabion, has been filled with filler in gabion.
A kind of preferred embodiment of earth rock cofferdam of the present invention: between upper and lower two adjacent Stacking units, along the axis of Cipolletti weir body
Arrangement is provided with more wires, one end of metal wire is set to the inside of Cipolletti weir body and fixes with an anchorage block；Metal
The other end of line is fixed with the gabion.
Another preferred embodiment of earth rock cofferdam of the present invention: the filler in the gabion is sheet stone.
The construction method of earth rock cofferdam of the present invention, it is characterised in that: the following steps are included:
Step 1: setting out survey；Determine central axes and the width in cofferdam, on the ebb rear setting out survey.
Step 2: preparation of construction；Platform is formed by the overall with constructing soil stone in cofferdam filling starting point；Prepare bagged sand
Stone；Prepare geotextiles, geotechnological cloth length is that shop fixtures length+Stacking units height+upper layer laminates length.
Step 3: paving geotextiles pile up packed sandstone；First layer geotextiles are laid with according to cofferdam setting-out, by packed sandstone
It is neatly packed in geotextiles, packed sandstone is wrapped up and fixed with geotextiles；Along the pre-buried gold of cofferdam axis vertical direction
Belong to line, metal wire is securely connect by side with anchorage block in Cipolletti weir body, completes the laying of a Stacking units；Then with same
Method is laid with the Stacking units of the second layer and the second layer or more；Until reaching predetermined altitude, and to the end in cofferdam before flood tide
Complete U-shaped closing.
Step 4: earth rock material is filled on the inside of two Cipolletti weir bodies.
Step 5: after ebbing tide, one~step 4 of repeating said steps extends cofferdam forward, until completing all to enclose
Weir major project.
Step 6: it is laid with gabion；Before the ice slush phase arrives, the slope that is influenced the external side of Cipolletti weir by ice slush using gabion
Face is covered, and is linked to be entirety, and connect with built-in metal line；Then filler is filled in gabion.
A kind of preferred embodiment of earth rock cofferdam construction method of the present invention: in step 1, setting out survey is according in cofferdam
Line coordinates releases the central axes in cofferdam, determines cofferdam height according to three flood tide peak level, wave height, safe altitude parameters
Degree, determines cofferdam bottom width according to the inside and outside gradient and top width in cofferdam.Then cofferdam bottom outer contour is released.
Another preferred embodiment of earth rock cofferdam construction method of the present invention: in step 2, starting point is being filled by cofferdam
Overall with constructing soil stone forms platform.
The third preferred embodiment of earth rock cofferdam construction method of the present invention: in step 3, according to flux and reflux cycle time
It determines cofferdam construction length, completes U-shaped closing in time before flood tide.
4th kind of preferred embodiment of earth rock cofferdam construction method of the present invention: in step 4, road is pressed in the inside of Cipolletti weir body
Requirement placement in layers soil hardcore and the sealing compacting that base fills, until flat with Cipolletti weir body height one.
5th kind of preferred embodiment of earth rock cofferdam construction method of the present invention: in step 5, before the ice slush phase arrives, by stone
Cage is layered on the external side slope of Cipolletti weir, and is fixed with pre-buried metal wire；Then it is loaded with slabstone, is carried out after filling up
Encapsulation, makes gabion be linked to be entirety with sheet, slope surface is completely covered.
Beneficial effects of the present invention: earth-rock cofferdam structure of the invention is firm, by the way that gabion is arranged, and loads in gabion
Slabstone can effectively stop washing away for ice slush, the geotextiles of Cipolletti weir body is avoided to be destroyed by ice slush, ensure that the use of earth rock cofferdam
Service life.
The construction method of earth rock cofferdam of the invention is simple and easy to do, adapts to the variation in tide and season, completes native stone and encloses
The engineering construction on weir, and can guarantee in northern ice slush period, earth rock cofferdam not will receive ice slush destruction.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of Cipolletti weir body.
In attached drawing 1 be gabion, 2 be Stacking units, 3 be native hardcore, 4 be Cipolletti weir body, 5 be packed sand stone layer, 6 be soil
Work cloth, 7 be metal wire, 8 be anchorage block.
Specific embodiment
Earth rock cofferdam of the invention is native hardcore 3 between two Cipolletti weir bodies 4 including two parallel Cipolletti weir bodies 4,
Be characterized in that: the Cipolletti weir body 4 is formed by least three layers of 2 stacking of Stacking units, and the Stacking units 2 include packed sandstone
Layer 5, packed 5 outer cladding of sand stone layer is provided with geotextiles 6, and 4 outer surface of Cipolletti weir body is provided with gabion 1, fills out in gabion 1
It fills and is provided with filler.
A kind of preferred embodiment of earth rock cofferdam of the present invention: between upper and lower two adjacent Stacking units 2, along Cipolletti weir body 4
Axial arranging is provided with more wires 7, and one end of metal wire 7 is set to the inside of Cipolletti weir body 4 and consolidates with an anchorage block 8
It is fixed；The other end of metal wire 7 and the gabion 1 are fixed.
Another preferred embodiment of earth rock cofferdam of the present invention: the filler in the gabion 1 is sheet stone.
The construction method of earth rock cofferdam of the present invention, it is characterised in that: the following steps are included:
Step 1: setting out survey；Determine central axes and the width in cofferdam, on the ebb rear setting out survey.
Step 2: preparation of construction；Platform is formed by the overall with constructing soil stone in cofferdam filling starting point；Prepare bagged sand
Stone；Prepare geotextiles 6,6 length of geotextiles is that shop fixtures length+2 height+upper layer of Stacking units laminates length.
Step 3: paving geotextiles 6 pile up packed sandstone；First layer geotextiles 6 are laid with according to cofferdam setting-out, by bagged sand
Stone is neatly packed in geotextiles 6, and packed sand stone layer 5 is wrapped up and fixed with geotextiles 6；Along cofferdam axis vertical direction
Metal wire 7 securely connect with anchorage block 8 in 4 inside of Cipolletti weir body, completes the paving of a Stacking units 2 by built-in metal line 7
If；Then the Stacking units 2 of the second layer and the second layer or more are in kind laid with；Until reaching predetermined altitude, and in flood tide
Complete U-shaped closing in the preceding end to cofferdam.
Step 4: earth rock material is filled in the inside of two Cipolletti weir bodies 4.
Step 5: after ebbing tide, one~step 4 of repeating said steps extends cofferdam forward, until completing all to enclose
Weir major project.
Step 6: it is laid with gabion 1；Before the ice slush phase arrives, 4 outside of Cipolletti weir body is influenced by ice slush using gabion 1
Slope surface covered, be linked to be entirety, and connect with built-in metal line 7；Then filler is filled in gabion 1.
A kind of preferred embodiment of earth rock cofferdam construction method of the present invention: in step 1, setting out survey is according in cofferdam
Line coordinates releases the central axes in cofferdam, determines cofferdam height according to three flood tide peak level, wave height, safe altitude parameters
Degree, determines cofferdam bottom width according to the inside and outside gradient and top width in cofferdam.Then cofferdam bottom outer contour is released.
Another preferred embodiment of earth rock cofferdam construction method of the present invention: in step 2, starting point is being filled by cofferdam
Overall with constructing soil stone forms platform.
The third preferred embodiment of earth rock cofferdam construction method of the present invention: in step 3, according to flux and reflux cycle time
It determines cofferdam construction length, completes U-shaped closing in time before flood tide.
4th kind of preferred embodiment of earth rock cofferdam construction method of the present invention: in step 4, road is pressed in the inside of Cipolletti weir body 4
Requirement placement in layers soil hardcore 3 and the sealing compacting that base fills, until flat with 4 height one of Cipolletti weir body.
5th kind of preferred embodiment of earth rock cofferdam construction method of the present invention: in step 5, before the ice slush phase arrives, by stone
Cage 1 is layered on the outer side slope of Cipolletti weir body 4, and is fixed with pre-buried metal wire 7；Then it is loaded with slabstone, after filling up
It is packaged, so that gabion 1 is linked to be entirety with sheet, slope surface is completely covered.
The metal wire 7 is every one meter pre-buried one.
Two layers of packed sand stone layer can be laid with by packed sandstone in the Stacking units 2, then be wrapped with geotextiles.
It is understood that being merely to illustrate the present invention above with respect to specific descriptions of the invention and being not limited to this
Technical solution described in inventive embodiments, those skilled in the art should understand that, still the present invention can be carried out
Modification or equivalent replacement, to reach identical technical effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (10)
1. Coastal beach area adapts to the earth rock cofferdam that northern ice slush influences, including two parallel Cipolletti weir bodies (4), two Cipolletti weirs
It is native hardcore (3) between body (4), it is characterised in that: the Cipolletti weir body (4) is by least three layers Stacking units (2) stacking
It forms, the Stacking units (2) include packed sand stone layer (5), and packed sand stone layer (5) outer cladding is provided with geotextiles (6), described
Cipolletti weir body (4) outer surface is provided with gabion (1), has been filled with filler in gabion (1).
2. Coastal beach area according to claim 1 adapts to the earth rock cofferdam that northern ice slush influences, it is characterised in that: on
Between lower two adjacent Stacking units (2), the axial arranging of Cipolletti weir body (4) is provided with more wires (7), metal wire
(7) one end is set to the inside of Cipolletti weir body (4) and fixes with an anchorage block (8)；The other end and the stone of metal wire (7)
Cage (1) is fixed.
3. Coastal beach area according to claim 1 adapts to the earth rock cofferdam that northern ice slush influences, it is characterised in that: institute
Stating the filler in gabion (1) is sheet stone.
4. Coastal beach area adapts to the construction method for the earth rock cofferdam that northern ice slush influences according to claim 1, special
Sign is: the following steps are included:
Step 1: setting out survey；Determine central axes and the width in cofferdam, on the ebb rear setting out survey；
Step 2: preparation of construction；Platform is formed by the overall with constructing soil stone in cofferdam filling starting point；Prepare packed sandstone；It is quasi-
Standby geotextiles (6), geotextiles (6) length are that shop fixtures length+Stacking units (2) height+upper layer laminates length；
Step 3: paving geotextiles (6) piles up packed sandstone；First layer geotextiles (6) are laid with according to cofferdam setting-out, by bagged sand
Stone is neatly packed on geotextiles (6), and packed sand stone layer (5) are wrapped up and fixed with geotextiles (6)；It hangs down along cofferdam axis
Metal wire (7) is securely connect by histogram to built-in metal line (7) on the inside of Cipolletti weir body (4) with anchorage block (8), completes one
The laying of Stacking units (2)；Then the Stacking units (2) of the second layer and the second layer or more are in kind laid with；Until reaching
Predetermined altitude, and U-shaped closing is completed to the end in cofferdam before flood tide；
Step 4: earth rock material is filled on the inside of two Cipolletti weir bodies (4)；
Step 5: after ebbing tide, one~step 4 of repeating said steps extends cofferdam forward, until completing whole cofferdam masters
Body engineering；
Step 6: it is laid with gabion (1)；Before the ice slush phase arrives, using gabion (1) by Cipolletti weir body (4) outside by ice slush shadow
Loud slope surface is covered, and is linked to be entirety, and connect with built-in metal line (7)；Then filler is filled in gabion (1).
5. Coastal beach area adapts to the construction method for the earth rock cofferdam that northern ice slush influences according to claim 4, special
Sign is: in step 1, setting out survey is the central axes that cofferdam is released according to the Coordinate of central line in cofferdam, according to flood tide highest water
Three position, wave height, safe altitude parameters determine cofferdam height, determine cofferdam according to the inside and outside gradient and top width in cofferdam
Bottom width；Then cofferdam bottom outer contour is released.
6. Coastal beach area adapts to the construction method for the earth rock cofferdam that northern ice slush influences according to claim 4, special
Sign is: in step 2, forming platform by the overall with constructing soil stone in cofferdam filling starting point.
7. Coastal beach area adapts to the construction method for the earth rock cofferdam that northern ice slush influences according to claim 4, special
Sign is: in step 3, determining cofferdam construction length according to flux and reflux cycle time, completes U-shaped closing in time before flood tide.
8. Coastal beach area adapts to the construction method for the earth rock cofferdam that northern ice slush influences according to claim 4, special
Sign is: in step 4, in the inside of Cipolletti weir body (4) by the requirement placement in layers soil hardcore (3) and sealing of roadbed filling
Compacting, until flat with Cipolletti weir body (4) height one.
9. Coastal beach area adapts to the construction method for the earth rock cofferdam that northern ice slush influences according to claim 4, special
Sign is: in step 5, before the ice slush phase arrives, gabion (1) is layered on Cipolletti weir body (4) outer side slope, and with it is pre-buried
Metal wire (7) is fixed；Then it is loaded with slabstone, is packaged after filling up, gabion (1) is made to be linked to be entirety with sheet,
Slope surface is completely covered.
10. Coastal beach area adapts to the construction method for the earth rock cofferdam that northern ice slush influences according to claim 4, special
Sign is: the metal wire (7) is every one meter pre-buried one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811107377.1A CN109083172A (en) | 2018-09-21 | 2018-09-21 | Coastal beach area adapts to the earth rock cofferdam and its construction method that northern ice slush influences |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811107377.1A CN109083172A (en) | 2018-09-21 | 2018-09-21 | Coastal beach area adapts to the earth rock cofferdam and its construction method that northern ice slush influences |
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| Publication Number | Publication Date |
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| CN109083172A true CN109083172A (en) | 2018-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811107377.1A Pending CN109083172A (en) | 2018-09-21 | 2018-09-21 | Coastal beach area adapts to the earth rock cofferdam and its construction method that northern ice slush influences |
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| CN (1) | CN109083172A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113073665A (en) * | 2021-03-19 | 2021-07-06 | 中国葛洲坝集团市政工程有限公司 | Cofferdam dike dam filling and closure construction method |
| CN113863340A (en) * | 2021-10-13 | 2021-12-31 | 中电建十一局工程有限公司 | Cofferdam construction method under complex terrain condition |
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| CN113863340A (en) * | 2021-10-13 | 2021-12-31 | 中电建十一局工程有限公司 | Cofferdam construction method under complex terrain condition |
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