CN209397565U - The novel groynes safeguard structure reinforced for peripheral basic erosion control - Google Patents
The novel groynes safeguard structure reinforced for peripheral basic erosion control Download PDFInfo
- Publication number
- CN209397565U CN209397565U CN201822131387.0U CN201822131387U CN209397565U CN 209397565 U CN209397565 U CN 209397565U CN 201822131387 U CN201822131387 U CN 201822131387U CN 209397565 U CN209397565 U CN 209397565U
- Authority
- CN
- China
- Prior art keywords
- groynes
- meters
- cofferdam
- dam
- vertical section
- Prior art date
- 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.)
- Active
Links
Landscapes
- Revetment (AREA)
Abstract
This application involves a kind of groynes more particularly to a kind of novel groynes safeguard structures reinforced for peripheral basic erosion control；The dam root end of groynes is connected with road shoulder barricade, and the abutment end of groynes is inclined to stretch to river；Lower dam bottom including section trapezoidal upper dam bottom and rectangular in cross-section, the lower end surface at upper dam bottom are less than the upper surface at lower dam bottom, and upper dam pedestal is in lower dam bottom upper surface；Mortar flag stone layer is covered on upper dam bottom, mortar flag stone layer two sides of the bottom have been sequentially connected with horizontal cofferdam and vertical cofferdam respectively.Due to implementing above-mentioned technical proposal, the application covers horizontal cofferdam and vertical cofferdam outside lower dam bottom, has not only accomplished to be likewise supplied with groynes prevention and treatment performance, but also the naughty erosion for protecting groynes to reduce water flow well destroys by covering mortar flag stone layer outside upper dam bottom；Erosion control brushing effects are more significant, and autoclasia is reduced, and composition groynes group can consolidate prevention and treatment water flow washing away for subgrade river side, thus the safety and stability of highway safety.
Description
Technical field
This application involves a kind of groynes more particularly to a kind of novel groynes reinforced for peripheral basic erosion control to protect knot
Structure.
Background technique
Groynes, also known as " deflecting flow dam " are the river regulating structures that or oblique orthogonal with riverbank protrudes into river, be arranged more
In the river section that The turbulent river crashes its way through, gradient is big, while being also a kind of efficient water flow regulating structure, can effectively change streamflow
Flow direction chooses from carrying out bank protection engineering water flow.Problem common in groynes prevention and cure project specifically includes that groynes base at present
Plinth washes in a pan erosion destruction, abutment washes away local damage and dam body Local Cracking etc..
Summary of the invention
The purpose of the application is that proposing that one kind is directly washed in a pan from water flow loses, and structure is more firm, the good use of protective performance
In the novel groynes safeguard structure that peripheral basic erosion control is reinforced.
The application is achieved in that the novel groynes safeguard structure reinforced for peripheral basic erosion control, the dam root of groynes
End is connected with road shoulder barricade, and the abutment end of groynes is inclined to stretch to river；It is in square including the trapezoidal upper dam bottom in section and section
The lower dam bottom of shape, the lower end surface at upper dam bottom are less than the upper surface at lower dam bottom, and upper dam pedestal is in lower dam bottom upper surface；It is covered on upper dam bottom
Be stamped mortar flag stone layer, mortar flag stone layer two sides of the bottom have been sequentially connected with horizontal cofferdam and vertical cofferdam respectively, horizontal cofferdam and
Vertical cofferdam correspondence is coated on lower dam bottom.
Further, horizontal cofferdam includes connected upstream face horizontal segment, abutment horizontal segment, back side horizontal segment, abutment
Horizontal segment is in arc-shaped；Vertical cofferdam includes connected upstream face vertical section, abutment vertical section and back side vertical section, and abutment is perpendicular
Straight section is in arc-shaped.
Further, upstream face horizontal segment width is greater than back side horizontal segment width；The height and dam of upstream face vertical section
The height of head erect section is consistent, and the height of back side vertical section is gradually decreased from abutment end to dam root end, back side vertical section
Maximum height is consistent with the height of upstream face vertical section, and the minimum constructive height of back side vertical section is that the maximum of back side vertical section is high
The half of degree.
Further, it is all provided with spaced expansion joint on horizontal cofferdam and vertical cofferdam, is equipped with filled layer between expansion joint.
Further, the width of mortar flag stone layer is 2 meters to 2.5 meters, the gradient of mortar flag stone layer upstream face be 1:1.4 extremely
The gradient of 1:1.5, mortar flag stone layer back side are 1:1 to 1:1.5, and mortar flag stone layer is with a thickness of 0.4 meter to 0.6 meter；Grout piece
Rock layers upper surface to vertical cofferdam lower end surface is a height of 4 meters to 5.5 meters total, and wherein groynes height located underground is 3.5 meters to 4 meters.
Further, horizontal cofferdam with a thickness of 0.4 meter to 0.6 meter, vertical cofferdam with a thickness of 0.4 meter to 0.6 meter, meet
Water surface horizontal segment width is 2 meters to 2.5 meters, and back side horizontal segment width is 1 meter to 2 meters；The height of upstream face vertical section is 3.5
For rice to 4.5 meters, the maximum height of back side vertical section is 3.5 meters to 4.5 meters；The gradient of abutment of the dam root of groynes to groynes is
1% to 2%；The length of groynes dam root to groyne head is 40 meters to 50 meters, and the angle between groynes and road shoulder is 100 ° to 135 °.
Due to implementing above-mentioned technical proposal, the application is overcoating at lower dam bottom by covering mortar flag stone layer outside upper dam bottom
Horizontal cofferdam and vertical cofferdam are covered, has not only accomplished to be likewise supplied with groynes prevention and treatment performance, but also groynes is protected to reduce water flow well
Naughty erosion destroy；Erosion control brushing effects are more significant, and autoclasia is reduced, and composition groynes group can consolidate prevention and treatment water flow for along the river
Highway washes away, thus the safety and stability of highway safety.
Detailed description of the invention
The specific structure of the application is provided by drawings and examples below:
Fig. 1 is the side view perspective structure schematic diagram of the application；
Fig. 2 is that the application faces perspective structure schematic diagram；
Fig. 3 is the perspective structure perspective diagram of the application；
Fig. 4 is the section structure diagram at groyne head；
Fig. 5 is the section structure diagram of groynes Ba Weichu.
Legend: on 1. dam bottom, 2. lower dam bottoms, 3. mortar flag stone layers, 4. upstream face horizontal segments, 5. abutment horizontal segments, 6. back
Water surface horizontal segment, 7. upstream face vertical sections, 8. abutment vertical sections, 9. back side vertical sections, 10. road shoulder barricades, 11. riverbeds, B.
The width of mortar flag stone layer, the gradient of P1. mortar flag stone layer upstream face, the gradient of P2. mortar flag stone layer back side, b1. are grouted
Ragstone layer thickness, the mortar flag stone layer upper surface H. is always high to vertical cofferdam lower end surface, H1. groynes height located underground, and b2. is horizontal
The thickness in cofferdam, the thickness in the vertical cofferdam b3., D1. upstream face horizontal segment width, D2. back side horizontal segment width, h1. meet water
The height of face vertical section, the maximum height of h2. back side vertical section, the minimum constructive height of h3. back side vertical section, P3. groynes
Dam root to groynes abutment gradient, the length of L. groynes dam root to groyne head, the angle between α groynes and road shoulder.
Specific embodiment
The application is not limited by following embodiments, can be determined according to the technical solution of the application and actual conditions specific
Embodiment.
As shown in Fig. 1 to 5, for the novel groynes safeguard structure that peripheral basic erosion control is reinforced, the road dam root Duan Yu of groynes
Shoulder barricade 10 is connected, and the abutment end of groynes is inclined to stretch to river；Including the trapezoidal upper dam bottom 1 in section and rectangular in cross-section
Lower dam bottom 2, the lower end surface at upper dam bottom 1 are less than the upper surface at lower dam bottom 2, and 1, upper dam bottom is in lower 2 upper surface of dam bottom；On upper dam bottom 1
It is covered with mortar flag stone layer 3,3 two sides of the bottom of mortar flag stone layer have been sequentially connected with horizontal cofferdam and vertical cofferdam respectively, and level is enclosed
Weir and vertical cofferdam correspondence are coated on lower dam bottom 2.
By covering mortar flag stone layer 3 outside upper dam bottom 1, horizontal cofferdam and vertical cofferdam are covered outside lower dam bottom 2, will be showed
There is the cofferdam of groynes cooperation deep foundation, form an entirety, not only played prevention and treatment performance, but also groynes is protected to reduce water well
The naughty erosion of stream destroys, and streamflow can be prevented to wash in a pan erosion downwards to ground beneath；Erosion control brushing effects are more significant, and autoclasia subtracts
Few, composition groynes group can consolidate prevention and treatment water flow washing away for subgrade river side, increase the anti-damage performance of groynes itself, thus
The Flood disaster for reducing groynes erosion protection engineering entirety threatens；To the safety and stability of highway safety.
As shown in Fig. 1 to 5, horizontal cofferdam includes connected upstream face horizontal segment 4, abutment horizontal segment 5, back side horizontal segment
6, abutment horizontal segment 5 is in arc-shaped；Vertical cofferdam includes that connected upstream face vertical section 7, abutment vertical section 8 and back side are vertical
Section 9, abutment vertical section 8 are in arc-shaped.M10 mortar flag stone masonry can be used in horizontal cofferdam, vertical cofferdam.
As shown in Fig. 1 to 5, upstream face horizontal segment width D 1 is greater than back side horizontal segment width D 2；Upstream face vertical section
Height h1 is consistent with the height of abutment vertical section 8, and the height of back side vertical section 9 is gradually decreased from abutment end to dam root end, back
The maximum height h2 of water-surface vertical section and the height h1 of upstream face vertical section are consistent, and the minimum constructive height h3 of back side vertical section is back
The half of the maximum height h2 of water-surface vertical section.
Because according to groynes current scour feature and spiral properties of flow, higher level need to be arranged based on washing away in upstream face
Protection, fourth and back side can suitably reduce protection intensity based on depositing；Therefore the application can be in the case where saving engineering spending
Guarantee that safeguard structure is whole to consolidate.
It is all provided with spaced expansion joint on horizontal cofferdam and vertical cofferdam, is equipped with filled layer between expansion joint.
As shown in Fig. 1 to 5, the width B of mortar flag stone layer is 2 meters to 2.5 meters, and the gradient P1 of mortar flag stone layer upstream face is
1:1.4 to 1:1.5, the gradient P2 of mortar flag stone layer back side are 1:1 to 1:1.5, mortar flag stone thickness degree b1 be 0.4 meter extremely
0.6 meter；Always high H is 4 meters to 5.5 meters for mortar flag stone layer upper surface to vertical cofferdam lower end surface, wherein groynes height located underground
H1 is 3.5 meters to 4 meters, this is partially buried under riverbed 11.
As shown in Fig. 1 to 5, the thickness b2 in horizontal cofferdam is 0.4 meter to 0.6 meter, the thickness b3 in vertical cofferdam be 0.4 meter extremely
0.6 meter, upstream face horizontal segment width D 1 is 2 meters to 2.5 meters, and back side horizontal segment width D 2 is 1 meter to 2 meters；Upstream face is vertical
The height h1 of section is 3.5 meters to 4.5 meters, and the maximum height h2 of back side vertical section is 3.5 meters to 4.5 meters；The dam root of groynes is extremely
The gradient P3 of the abutment of groynes is 1% to 2%；The length L of groynes dam root to groyne head is 40 meters to 50 meters, between groynes and road shoulder
Angle α be 100 ° to 135 °.
Embodiment 1, as shown in Fig. 1 to 5.When being protected for subgrade river side roadbed side slope side laying groynes structure,
Groynes is mostly rushed by flow in river bend top and washes in a pan erosion, and sky is washed in a pan on groynes basis, side slope is collapsed and destroyed with abutment.Exploration discovery, river
For basin water flow velocity up to 3.0 meters/s or more, the depth of water is deeper, and multiple groyne heads destroy serious, dam body in original groynes group at work point
Pit slot is washed in a pan on basis, product has water flow.For the above data, repair and reconstruction are carried out using groyne works at the application work point.
Size design is as follows: width B, that is, width at dam crest of mortar flag stone layer is 2.5 meters, and upstream face, the gradient of back side are equal
It is 0.5 meter for 1:1.5, mortar flag stone thickness degree b1.Always high H is 5.5 meters for mortar flag stone layer upper surface to vertical cofferdam lower end surface,
Wherein groynes height H1 located underground is 3.5 meters；Dam length is 45 meters, sets expansion joint every 10-15 meters, 0.02 meter of slit width.It is horizontal
Cofferdam and vertical cofferdam with a thickness of 0.5 meter, upstream face horizontal segment width D 1 is 2 meters；Back side horizontal segment width D 2 is 1.5
Rice, the height h1 of upstream face vertical section are 3.5 meters, and the angle α between groynes and road shoulder is 120 °.
The above technical characteristic constitutes the most preferred embodiment of the application, with stronger adaptability and best implementation effect
Fruit can increase and decrease inessential technical characteristic according to actual needs, to meet the needs of different situations.
Claims (6)
1. a kind of novel groynes safeguard structure reinforced for peripheral basic erosion control, the dam root end of groynes are connected with road shoulder barricade,
The abutment end of groynes is inclined to stretch to river；It is characterized by comprising under section trapezoidal upper dam bottom and rectangular in cross-section
Dam bottom, the lower end surface at upper dam bottom are less than the upper surface at lower dam bottom, and upper dam pedestal is in lower dam bottom upper surface；Slurry is covered on upper dam bottom
Ragstone layer is built, mortar flag stone layer two sides of the bottom have been sequentially connected with horizontal cofferdam and vertical cofferdam respectively, horizontal cofferdam and enclose vertically
Weir correspondence is coated on lower dam bottom.
2. the novel groynes safeguard structure according to claim 1 reinforced for the basic erosion control in periphery, it is characterised in that: water
Flat cofferdam includes connected upstream face horizontal segment, abutment horizontal segment, back side horizontal segment, and abutment horizontal segment is in arc-shaped；Vertically
Cofferdam includes connected upstream face vertical section, abutment vertical section and back side vertical section, and abutment vertical section is in arc-shaped.
3. the novel groynes safeguard structure according to claim 2 reinforced for the basic erosion control in periphery, it is characterised in that: meet
Water surface horizontal segment width is greater than back side horizontal segment width；The height of upstream face vertical section is consistent with the height of abutment vertical section,
The height of back side vertical section is gradually decreased from abutment end to dam root end, and the maximum height and upstream face of back side vertical section are vertical
The height of section is consistent, and the minimum constructive height of back side vertical section is the half of the maximum height of back side vertical section.
4. the novel groynes safeguard structure according to claim 1 or 2 or 3 reinforced for the basic erosion control in periphery, feature
It is: is all provided with spaced expansion joint on horizontal cofferdam and vertical cofferdam, is equipped with filled layer between expansion joint.
5. the novel groynes safeguard structure according to claim 1 or 2 or 3 reinforced for the basic erosion control in periphery, feature
Be: the width of mortar flag stone layer is 2 meters to 2.5 meters, and the gradient of mortar flag stone layer upstream face is 1:1.4 to 1:1.5, grouts piece
The gradient of rock layers back side is 1:1 to 1:1.5, and mortar flag stone layer is with a thickness of 0.4 meter to 0.6 meter；Mortar flag stone layer upper surface is extremely
Vertical cofferdam lower end surface is a height of 4 meters to 5.5 meters total, and wherein groynes height located underground is 3.5 meters to 4 meters.
6. the novel groynes safeguard structure according to claim 2 or 3 reinforced for the basic erosion control in periphery, feature exist
In: horizontal cofferdam with a thickness of 0.4 meter to 0.6 meter, vertical cofferdam with a thickness of 0.4 meter to 0.6 meter, upstream face horizontal segment width
It is 2 meters to 2.5 meters, back side horizontal segment width is 1 meter to 2 meters；The height of upstream face vertical section is 3.5 meters to 4.5 meters, backwater
The maximum height of face vertical section is 3.5 meters to 4.5 meters；The dam root of groynes to groynes abutment gradient be 1% to 2%；Groynes dam
The length of root to groyne head is 40 meters to 50 meters, and the angle between groynes and road shoulder is 100 ° to 135 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822131387.0U CN209397565U (en) | 2018-12-19 | 2018-12-19 | The novel groynes safeguard structure reinforced for peripheral basic erosion control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822131387.0U CN209397565U (en) | 2018-12-19 | 2018-12-19 | The novel groynes safeguard structure reinforced for peripheral basic erosion control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209397565U true CN209397565U (en) | 2019-09-17 |
Family
ID=67895098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822131387.0U Active CN209397565U (en) | 2018-12-19 | 2018-12-19 | The novel groynes safeguard structure reinforced for peripheral basic erosion control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209397565U (en) |
-
2018
- 2018-12-19 CN CN201822131387.0U patent/CN209397565U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102191759B (en) | Novel breakwater and design method thereof | |
| CN101476305B (en) | Mud-stone flow discharge guiding groove based on step anti-flushing notched sill group and use thereof | |
| CN205171469U (en) | Mud -rock flow flow blocking dam scour protection dissipation structure | |
| WO2021208168A1 (en) | Ecological seawall water-side embankment slope drainage structure and construction method therefor | |
| CN204039977U (en) | A kind of antidetonation disappears unrestrained bank protection | |
| Klingeman et al. | Streambank erosion protection and channel scour manipulation using rockfill dikes and gabions | |
| CN100347377C (en) | Mould bag line curtain and method for preventing falldown of river bank | |
| CN109145457B (en) | River type division method based on longitudinal river potential adjustment transfer and obstruction mechanism | |
| CN102286956B (en) | Flexible scour prevention facing system and implementation method thereof | |
| CN209397565U (en) | The novel groynes safeguard structure reinforced for peripheral basic erosion control | |
| CN212426957U (en) | Bank protection engineering hydraulic structure | |
| CN202157301U (en) | Breakwater | |
| US6168349B1 (en) | System for lining a bank of a waterway | |
| CN104452690A (en) | Concrete roughing pier flexible apron structure and construction method | |
| CN109487751A (en) | The roadbed erosion control ruggedized construction that gabion wall and groynes group close | |
| CN204326031U (en) | Concrete adds the flexible apron structure of rough pier | |
| CN207159934U (en) | Buried line project passes through the water injury protection device and guard system in stream paddy area | |
| CN209397566U (en) | The roadbed erosion control ruggedized construction that gabion wall and groynes group close | |
| Hickson et al. | History of Columbia River jetties | |
| CN204690683U (en) | A kind of ecology type of choking water protects beach structure | |
| CN106930242A (en) | Pile foundation overfall dam and galvanized wire gabion protection-apron | |
| Griggs et al. | Rip rap revetments and seawalls and their effectiveness along the central California coast | |
| CN208762946U (en) | A kind of safeguard structure of inverted siphon | |
| CN105239540A (en) | Slant-base-plate-type stilling pool | |
| CN221072486U (en) | Wave-proof structure of highway coastal section |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |