CN109356091B - Mountain stream river embankment project - Google Patents
Mountain stream river embankment project Download PDFInfo
- Publication number
- CN109356091B CN109356091B CN201811392926.4A CN201811392926A CN109356091B CN 109356091 B CN109356091 B CN 109356091B CN 201811392926 A CN201811392926 A CN 201811392926A CN 109356091 B CN109356091 B CN 109356091B
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- CN
- China
- Prior art keywords
- embankment
- main body
- foundation pit
- river
- scouring
- Prior art date
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- 238000009991 scouring Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000004575 stone Substances 0.000 claims abstract description 12
- 239000004567 concrete Substances 0.000 claims abstract description 8
- 238000009933 burial Methods 0.000 claims description 4
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 abstract description 25
- 238000009412 basement excavation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000006424 Flood reaction Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
-
- 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
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
-
- 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
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
-
- 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
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
Abstract
The invention discloses mountain stream river embankment engineering, relates to the field of water conservancy and hydropower engineering, and provides mountain stream river embankment engineering capable of saving cost. The mountain stream river embankment project comprises a river bed and river banks positioned at two sides of the river bed, and an embankment structure, an anti-scouring structure foundation pit and an embankment main body foundation pit are arranged at the joint of the river bed and the river banks, wherein the embankment main body foundation pit is shallower than the anti-scouring structure foundation pit; the embankment structure comprises an anti-scouring structure and an embankment main body; the scour prevention structure extends upwards from the bottom of the scour prevention structure foundation pit to the embankment main body along the outer side of the scour prevention structure foundation pit, and the residual space of the scour prevention structure foundation pit is filled with stone blocks; the bottom of the embankment main body is arranged in an embankment main body foundation pit, and earth and stones are filled in the embankment main body foundation pit and on the river bank outside the embankment main body; a water stopping structure is arranged between the scour prevention structure and the embankment main body. The scour prevention structure and the embankment main body are arranged separately, and foundation pits of the embankment main body are shallower, so that the foundation excavation, backfill and embankment structure concrete engineering quantity are smaller.
Description
Technical Field
The invention relates to the field of water conservancy and hydropower engineering, in particular to mountain stream river embankment engineering.
Background
The mountain stream river is a river which flows through hilly areas with landform, narrower and deeper valley sections and larger vertical section ratio drop and has irregular shoreline, and the mountain stream river is short in time of larger than the drop and confluence, is extremely easy to form rain and floods in flood season, is rapid in water flow turbulence, and is rapid in water flow speed, so that the shoreline and the riverbed are easily eroded seriously.
The mountain stream river flood control dike engineering dike must first fix the bank protection. The damage of the embankment engineering is caused by the fact that the foundation is hollowed out by water flow due to the fact that the buried depth is too shallow except for improper arrangement, insufficient structural strength of the embankment or poor construction quality.
In order to avoid the embankment engineering foundation from being hollowed out by water flow, the mountain stream river lifting structure is buried deeply. As shown in fig. 1, the embankment structure of the existing mountain stream river embankment project is of an integrated structure, and the foundation excavation, backfilling and embankment structure concrete project amounts are large, although the impact of coarse particle bed load and sediment on the embankment structure can be met.
Disclosure of Invention
The invention aims to solve the technical problems that: provided is a mountain stream river embankment project which can save cost.
The technical scheme adopted for solving the problems is as follows: the mountain stream river embankment project comprises a river bed and river banks positioned at two sides of the river bed, and an embankment structure, an anti-scouring structure foundation pit and an embankment main body foundation pit are arranged at the joint of the river bed and the river banks, wherein the embankment main body foundation pit is shallower than the anti-scouring structure foundation pit; the embankment structure comprises an anti-scouring structure and an embankment main body; the scour prevention structure extends upwards from the bottom of the scour prevention structure foundation pit to the embankment main body along the outer side of the scour prevention structure foundation pit, and the residual space of the scour prevention structure foundation pit is filled with stone blocks; the bottom of the embankment main body is arranged in an embankment main body foundation pit, and earth and stones are filled in the embankment main body foundation pit and on the river bank outside the embankment main body; a water stopping structure is arranged between the scour prevention structure and the embankment main body.
Further is: the bottom burial depth H of the anti-scouring structure is more than or equal to 3m.
Further is: the scour protection and the dike body are made of concrete or reinforced concrete.
The beneficial effects of the invention are as follows: compare fig. 1 and fig. 2. The anti-scouring structure and the embankment main body in the prior art are of an integrated structure, and the bottom of the embankment main body is the same as the depth of the bottom of the anti-scouring structure, so that foundation pit of the embankment structure is large, and foundation excavation, backfilling and embankment structure concrete engineering quantities are large. The scour prevention structure and the dyke main body are separately arranged, the dyke main body foundation pit is shallower, the total volume of the dyke main body foundation pit and the scour prevention structure foundation pit is obviously smaller than that of the dyke structure foundation pit in the prior art, and the foundation excavation, backfilling and dyke structure concrete engineering quantities are smaller. The excavation amount can be reduced by about 30%, the backfill amount can be reduced by about 20%, and the concrete amount can be reduced by about 20%, so that the engineering investment of mountain stream river embankment engineering can be obviously reduced; meanwhile, the anti-scouring requirement can be met.
Description of the drawings:
FIG. 1 is a schematic view of a mountain stream river dike project structure of the prior art;
FIG. 2 is a schematic view of mountain stream river embankment project structure of the present application;
marked in the figure as: river bed 1, river bank 2, dyke structure foundation pit 3, earth and stone 4, block stone 5, dyke structure 6, dyke main body 61, scour prevention structure 62, dyke main body foundation pit 7, scour prevention structure foundation pit 8, water stopping structure 9.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
As shown in fig. 2: the mountain stream river embankment project comprises a river bed 1 and river banks 2 positioned at two sides of the river bed 1, an embankment structure 6, an anti-scouring structure foundation pit 8 and an embankment main body foundation pit 7 are arranged at the joint of the river bed 1 and the river banks 2, and the embankment main body foundation pit 7 is shallower than the anti-scouring structure foundation pit 8; the dike structure 6 includes an anti-scour structure 62 and a dike body 61; the scour prevention structure 62 extends upwards from the bottom of the scour prevention structure foundation pit 8 to the embankment body 61 along the outer side of the scour prevention structure foundation pit 8, and the residual space of the scour prevention structure foundation pit 8 is filled with the block stone 5; the bottom of the embankment main body 61 is arranged in the embankment main body foundation pit 7, and earth and stones 4 are filled in the embankment main body foundation pit 7 outside the embankment main body 61 and on the river bank 2; a water stop structure 9 is arranged between the scour prevention structure 62 and the embankment body 61.
The utility model provides a rock block 5 plays first scour prevention effect, and the scour is serious, and when the rock block 5 became invalid, scour prevention structure 62 plays the second scour prevention effect, can avoid rivers to scour the basis of dyke main part 61, guarantees dyke main part 61 safety. The earth and stone 4 together with the foundation serve to support and fix the dike body 61.
The water stop structure 9 prevents water from entering the separation between the erosion preventing structure 62 and the dike body 61. The water stopping structure 9 is a prior art, and specifically is embedded with a red copper sheet, a stainless steel sheet, rubber, expansion rubber, plastic, asphalt, a polymer synthetic material, and the like for water stopping.
The scour prevention structure 62 and the embankment main body 61 are separately arranged, and when the foundation is unevenly settled, the scour prevention structure 62 and the embankment main body 61 can adapt to uneven settlement, and the pulling crack is avoided. If the two are integrally arranged, a pulling crack condition can occur, and the result is serious. The water stopping structure 9 is a flexible structure and does not normally fail even if the anti-scouring structure 62 and the dike body 61 move relatively.
The depth of the mountain stream river is deeper, the bottom burial depth H of the anti-scour structure 62 is larger than the depth of the mountain stream river, and the bottom burial depth H of the anti-scour structure 62 is more than or equal to 3m.
The anti-scour structure 62 and the dike body 61 are made of concrete or reinforced concrete as in the prior art.
The dashed line a in fig. 1 and 2 of the present application is the ground line before the mountain stream river dike project is constructed.
Claims (1)
1. The mountain stream river embankment project comprises a river bed (1) and river banks (2) positioned at two sides of the river bed (1), and an embankment structure (6) is arranged at the joint of the river bed (1) and the river banks (2); the method is characterized in that: an anti-scouring structure foundation pit (8) and a embankment main body foundation pit (7) are arranged at the joint of the river bed (1) and the river bank (2), and the embankment main body foundation pit (7) is shallower than the anti-scouring structure foundation pit (8); the embankment structure (6) comprises an anti-scouring structure (62) and an embankment main body (61), the anti-scouring structure (62) and the embankment main body (61) are arranged separately, and when the foundation is unevenly settled, the anti-scouring structure (62) and the embankment main body (61) can adapt to uneven settlement, so that the pulling crack is avoided; the anti-scouring structure (62) extends upwards from the bottom of the anti-scouring structure foundation pit (8) to the embankment main body (61) along the outer side of the anti-scouring structure foundation pit (8), and the residual space of the anti-scouring structure foundation pit (8) is filled with the block stone (5), wherein the block stone (5) plays a first anti-scouring role, and the anti-scouring structure (62) plays a second anti-scouring role; the bottom of the embankment main body (61) is arranged in the embankment main body foundation pit (7), and earth and stones (4) are filled in the embankment main body foundation pit (7) at the outer side of the embankment main body (61) and on the river bank (2); a water stopping structure (9) is arranged between the anti-scouring structure (62) and the embankment main body (61), and the water stopping structure (9) is of a flexible structure and is used for preventing the water stopping structure (9) from failing when the anti-scouring structure (62) and the embankment main body (61) move relatively; the bottom burial depth H of the anti-scouring structure (62) is more than or equal to 3m, and the anti-scouring structure (62) and the embankment main body (61) are made of concrete or reinforced concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392926.4A CN109356091B (en) | 2018-11-21 | 2018-11-21 | Mountain stream river embankment project |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811392926.4A CN109356091B (en) | 2018-11-21 | 2018-11-21 | Mountain stream river embankment project |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109356091A CN109356091A (en) | 2019-02-19 |
| CN109356091B true CN109356091B (en) | 2024-01-19 |
Family
ID=65332586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811392926.4A Active CN109356091B (en) | 2018-11-21 | 2018-11-21 | Mountain stream river embankment project |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109356091B (en) |
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