CN108374386A - Adapt to the compound row's guide structure and its construction method of debris flow scale variation great disparity - Google Patents
Adapt to the compound row's guide structure and its construction method of debris flow scale variation great disparity Download PDFInfo
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- CN108374386A CN108374386A CN201810410284.XA CN201810410284A CN108374386A CN 108374386 A CN108374386 A CN 108374386A CN 201810410284 A CN201810410284 A CN 201810410284A CN 108374386 A CN108374386 A CN 108374386A
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 53
- 238000010276 construction Methods 0.000 title claims abstract description 37
- 239000011435 rock Substances 0.000 claims abstract description 31
- 239000002893 slag Substances 0.000 claims description 50
- 230000003628 erosive effect Effects 0.000 claims description 14
- 239000004575 stone Substances 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 238000004062 sedimentation Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 230000006378 damage Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000011218 segmentation Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 238000001727 in vivo Methods 0.000 claims 1
- 230000006978 adaptation Effects 0.000 abstract description 7
- 239000011449 brick Substances 0.000 description 6
- 239000003818 cinder Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 241001504664 Crossocheilus latius Species 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229940125904 compound 1 Drugs 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002699 waste material Substances 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
- E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The present invention relates to a kind of compound row's guide structures and its construction method of adaptation debris flow scale variation great disparity.The object of the present invention is to provide a kind of compound row's guide structures and its construction method of adaptation debris flow scale variation great disparity, are not become silted up with ensuring not rush, improve the degree of safety of debris flow drainage guiding systems.The technical scheme is that：The one or both sides side wall of compound row's guide structure is ladder-like in three-level；From bottom to top the corresponding compound row's guide structure flow section of first order ladder is that level-one row leads section to stepped side walls, and level-one row leads the section width of section and height meets the requirement that row leads small-scale mud-rock flow or big flow flood；Ladder corresponding compound row's guide structure flow section in the second level is that two level row leads section, and two level row leads section and led together with section with the level-one of bottom row, meets the overcurrent requirement that row leads design standard mud-rock flow；The corresponding compound row's guide structure flow section of third level ladder leads section to be arranged as the three-level in the safety stock channel for leading overproof mud-rock flow off.
Description
Technical field
The present invention relates to a kind of compound row's guide structures and its construction method of adaptation debris flow scale variation great disparity.It is suitable for
Debris flow technical field in hydraulic and hydroelectric engineering, traffic engineering and geological hazard control engineering.
Background technology
Debris flow drainage groove is in water conservancy and hydropower, railway traffic engineering and geological hazard control engineering, to avoid mud-rock flow
Adverse effect to engineering construction and a kind of mud-rock flow engineering control that the life security of local resident is caused damages, and taken
Mud-rock flow is changed its course or constrains in safety dumping in set channel by one of measure.
China has gradually formed during Controlling Debris Flow to be led using " Dongchuan slot " and " V " type groove as the debris flow drainage of representative
Form leads demand to adapt to different geological conditions and relatively fixed row.Conventional row's guide structure is generally rectangular cross-section or dovetail groove,
Its flow section is fixed, and mud-rock flow then more difficult adaptation that flow and scale change greatly relatively low for outburst frequency, is often made
At siltation or erosion damage.Since this debris flow gully is mostly hyper-concentration flow or water-rock debris flow, mud-rock flow in normal year rainy season
Break out once in a while huge, flow is usual tens times to hundred times, and sweeps along a large amount of megaliths.Big flow mud-rock flow is led by row
The drainage groove section of design is roomy, and long-term small flow mud-rock flow or mountain torrents hydrodynamic force are insufficient, easily causes drainage groove siltation, when big rule
Mould mud-rock flow temporarily, to influence its discharge capacity, drainage groove is made to lose due function.
Invention content
The technical problem to be solved by the present invention is to：In view of the above problems, a kind of adaptation debris flow scale change is provided
The compound row's guide structure and its construction method for changing great disparity, are not become silted up with ensuring not rush, and improve the degree of safety of debris flow drainage guiding systems.
The technical solution adopted in the present invention is：A kind of compound row's guide structure adapting to debris flow scale variation great disparity,
It is characterized in that：The one or both sides side wall of compound row's guide structure is ladder-like in three-level；
From bottom to top the corresponding compound row's guide structure flow section of first order ladder is that level-one row leads section to stepped side walls,
Level-one row leads the section width of section and height meets the requirement that row leads small-scale mud-rock flow or big flow flood；
Ladder corresponding compound row's guide structure flow section in the second level is that two level row leads section, and two level row leads section and bottom
The level-one row lead section together, meet row lead design standard mud-rock flow overcurrent requirement；
The corresponding compound row's guide structure flow section of third level ladder is as the safety stock for leading overproof mud-rock flow off
The three-level row in channel leads section.
Every grade of ladder of the stepped side walls is made of barricade with the river bottom protection for being connected to barricade lower part.
Erosion control rib sill are arranged in the river bottom protection bottom at a certain distance, and are embedded to lower section basis.
Compound row's guide structure longitudinal slope is determined according to mudstone properties of flow and primitive groove circulation section longitudinal slope synthesis, takes primitive groove circulation section
The 80~90% of longitudinal slope, viscous mud-flow takes large values, and diluted debris flow gets the small value.
The corresponding river bottom protection section of the first order ladder is V-shaped, using the directional transverse gradient.
The cross fall of the river bottom protection of the V-shaped presses (1：Debris flow velocity) it determines.
Compound row's guide structure upstream is equipped with ground sills, is connect with riverbed basis and with two sides massif, for stopping mud-rock flow
Compound row's guide structure is impacted, prevents mud-rock flow from revealing the inside story destruction.
Compound row's guide structure is established on slag or slag side, for the pressure slope body as landslide control, improves and slides
Slope stability.
The slag bottom setting draining and filtration material.
A kind of construction method of compound row's guide structure, which is characterized in that steps are as follows：
A, using dry season construction positioned at the ground sills of compound row's guide structure upstream, ground sills downstream forms slag and compound row leads
The dry work condition of structure；
B, slag, slag placement in layers grinding compacting are filled out in slip mass leading edge, slag is filled to compound neighbouring row's guide structure bottom
When portion, one layer of crushed stone cushion is filled, and reserve certain pre- sedimentation time；
C, after the slag rate of settling slows down and becomes steady, the corresponding barricade of stepped side walls first order ladder of first constructing, gear
Block construction is jumped in wall segmentation, and barricade is constructed the corresponding river bottom protection of first order ladder again to after pushing up, by river bottom protection bottom erosion control rib sill position,
Slot pulling at a certain distance on slag pours erosion control rib sill in slot, and rib sill bottom is embedded in slag body, and top is anchored with river bottom protection；
D, barricade and river bottom protection construction after the completion of, carry out barricade wall after slag (5) placement in layers and roll, slag fill to
In the corresponding barricade bottom of next stage ladder；
E, slag settled in advance after a period of time is corresponded to by this grade of ladder of constructing of the construction method of barricade and river bottom protection in step c again
Barricade and river bottom protection；
F, according to slag after remaining ladder and wall of the construction method of step d, step e construction stepped side walls.
The beneficial effects of the invention are as follows：The present invention forms stair-stepping flow section by the stair-stepping side wall of setting,
Various different scales can be flexibly met, the mud-rock flow of flow flows through requirement, it is ensured that row's guide structure, which does not rush, not to become silted up.Form compound row
The barricades and river bottom protection at different levels of guide structure are ladder-like separate structure, and stable structure can better adapt to the uneven of slag body
Deformation, the row's of raising guide structure safety.
It is steady can to play raising slip mass when slip mass is administered and cinder field is using being combined for compound row's guide structure of the present invention
The diversification comprehensive functions such as fixed and cinder field protection.
Compound row's guide structure of the present invention can be used concrete or grout stone material, simple in structure, easy for construction, at low cost
It is honest and clean.
Description of the drawings
Fig. 1 is the vertical section schematic diagram of embodiment 1.
Fig. 2 is the schematic cross section of embodiment 1.
Fig. 3 is the schematic cross section of embodiment 2.
Specific implementation mode
Embodiment 1：As shown in Figure 1 and Figure 2, the present embodiment is led for a kind of compound row of adaptation debris flow scale variation great disparity
Structure, compound row's guide structure are established in 5 side of slag, and the pressure slope body of landslide control is can be used as, and are played and are improved the stabilization of slip mass 7
Effect, when being combined with engineering construction cinder field, can be used as cinder field safeguard structure and draining (mud-rock flow) channel.
Side wall of the compound row's guide structure 1 close to 5 side of slag is step structure in the present embodiment, and the other side is bank slope.
1 planted agent's stepped side walls of compound row's guide structure form stair-stepping flow section, can the various floods of flexible adaptation and mud-rock flow
Flow and scale variation, it is ensured that do not rush and do not become silted up.
Stair-stepping side wall is formed with down, in, upper three-level ladder, underlying first order ladder is by 201 He of lower retaining wall
The lower river bottom protection 301 for being connected to 201 lower part of lower retaining wall forms, and lower retaining wall 201 is led disconnected with formation level-one row in lower 301 corresponding region of river bottom protection
Face, section width and height meet the requirement that row leads small-scale mud-rock flow or big flow flood；Second level rank positioned at middle part
Ladder is made of middle barricade 202 with the middle river bottom protection 302 for being connected to 202 lower part of middle barricade, middle barricade 202 and 302 corresponding region of middle river bottom protection
Interior formation two level row leads section, and row leads together with section with bottom level-one, meets the overcurrent requirement that row leads design standard mud-rock flow；Position
Third level ladder in top by top retaining wall 203 and is connected to the upper river bottom protection 303 of 203 lower part of top retaining wall and forms, top retaining wall 203 with it is upper
Three-level row is formed in 303 corresponding region of river bottom protection and leads section, as the safety stock channel for leading overproof mud-rock flow off.The present embodiment
In barricades at different levels to be embedded to corresponding river bottom protection below deep-controlled below mud-rock flow scour depth.
The longitudinal slope of compound row's guide structure is determined according to mudstone properties of flow and primitive groove circulation section longitudinal slope synthesis in the present embodiment, is taken
The 80~90% of primitive groove circulation section longitudinal slope, viscous mud-flow takes large values, and diluted debris flow gets the small value.Lower river bottom protection section is in the shape of the letter V,
Using the directional transverse gradient, cross fall presses (1：Debris flow velocity) value, serve line attack it is husky, increase hydrodynamic force, avoid
Sediment siltation, be conducive to usually small flow take sand flow excretion it is smooth.
Erosion control rib sill 6 are arranged in 303,302,301 bottom of upper, middle and lower river bottom protection in this example at a certain distance, and are embedded to base
Plinth further increases river bottom protection rigidity, improves river bottom protection erosion resistibility and stable structure, and 6 spacing of erosion control rib sill is 5~10m.
Ground sills 4 is arranged in 1 upstream stem of compound row's guide structure, and ground sills 4 is connect with riverbed basis and with two sides massif, stops mud
Rock glacier impact row's guide structure, prevents mud-rock flow from revealing the inside story destruction.
Barricade, river bottom protection, ground sills are built by laying bricks or stones using concreting or cemented rock in the present embodiment, simple in structure, construction letter
Just.Slag 5 is filled using engineering excavation waste material, is reduced cost, the setting draining of slag bottom and filtration material 10, is accelerated slag
The construction time discharging consolidation of body reduces posterior settlement.
The concrete construction method of the present embodiment is as follows：
A, it is located at the ground sills 4 of the quasi- compound 1 upstream stem of row's guide structure of construction, 4 upstream of ground sills first with dry season construction
Water pass through scupper or other facility carrying-offs, 4 downstream of ground sills formed slag 5 and compound row's guide structure 1 dry work item
Part.
B, slag, slag placement in layers grinding compacting are filled out in 7 leading edge of slip mass, while draining and anti-filter is set in slag bottom
Material 10 accelerates the construction time discharging consolidation of slag body, reduces posterior settlement.Slag is filled to neighbouring compound 1 bottom of row's guide structure
When portion's (lower retaining wall bottom position of quasi- construction), one layer of crushed stone cushion is filled, and reserve certain pre- sedimentation time.
C, after 5 rate of settling of slag slows down and becomes steady, block construction is jumped in lower retaining wall 201 of first constructing, the segmentation of lower retaining wall 201,
Lower retaining wall 201 is constructed lower river bottom protection 301 again after pouring (or building by laying bricks or stones) to top, increases heap deposition to avoid because of the dead weight of lower retaining wall 201
It drops and has an adverse effect to lower river bottom protection 301.
301 bottom erosion control rib sill of river bottom protection, 6 position is pressed, the slot pulling at a certain distance on slag 5 pours erosion control rib sill in slot
6,6 bottom of erosion control rib is embedded in slag, and top is anchored with lower river bottom protection 301, increases lower 301 rigidity of river bottom protection, and improves lower river bottom protection 301
Erosion resistibility and structural stability.
D, lower retaining wall 201 and lower river bottom protection 301 construction after the completion of, carry out lower retaining wall wall after slag placement in layers and roll,
Slag is filled to 202 bottom position of middle barricade of quasi- construction.
E, block construction, middle barricade are jumped in barricade 202 in pouring (build by laying bricks or stones) again after sedimentation a period of time in advance, the segmentation of middle barricade 202
202 pour construct again after (or building by laying bricks or stones) to top in river bottom protection 302.
F, after the completion of middle barricade 202 and middle river bottom protection 302 are constructed, the placement in layers of slag 5 and stone roller after 202 wall of barricade in progress
Pressure, slag are filled to 203 bottom position of top retaining wall of quasi- construction.
G, top retaining wall 203 is poured and (built by laying bricks or stones) in advance after sedimentation a period of time again, block construction, top retaining wall are jumped in the segmentation of top retaining wall 203
203 pour upper river bottom protection 303 of constructing again after (or building by laying bricks or stones) to top.
H, after the completion of top retaining wall 203 and upper river bottom protection 303 are constructed, the placement in layers of slag and stone roller after progress 203 wall of top retaining wall
Pressure, slag are filled to 203 top position of top retaining wall of quasi- construction.
Embodiment 2：As shown in figure 3, the present embodiment is substantially the same manner as Example 1, the difference is that only in the present embodiment
Compound row's guide structure 1 is established on slag, and 1 both sides side wall of compound row's guide structure is step structure.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, the art
Those of ordinary skill, within the scope of the invention, variation, addition or the replacement made should all belong to the scope of protection of the present invention.
Claims (10)
1. a kind of compound row's guide structure adapting to debris flow scale variation great disparity, it is characterised in that：The one of compound row's guide structure
Side or both sides side wall are in the ladder-like of three-level；
From bottom to top the corresponding compound row's guide structure flow section of first order ladder is that level-one row leads section, level-one to stepped side walls
Row leads the section width of section and height meets the requirement that row leads small-scale mud-rock flow or big flow flood；
Ladder corresponding compound row's guide structure flow section in the second level is that two level row leads section, and two level arranges the institute for leading section and bottom
It states level-one row and leads section together, meet the overcurrent requirement that row leads design standard mud-rock flow；
The corresponding compound row's guide structure flow section of third level ladder is as the safety stock channel for leading overproof mud-rock flow off
Three-level row lead section.
2. the compound row's guide structure according to claim 1 for adapting to debris flow scale variation great disparity, it is characterised in that：It is described
Every grade of ladder of stepped side walls is made of barricade with the river bottom protection for being connected to barricade lower part.
3. the compound row's guide structure according to claim 2 for adapting to debris flow scale variation great disparity, it is characterised in that：It is described
Erosion control rib sill (6) are arranged in river bottom protection bottom at a certain distance, and are embedded to lower section basis.
4. the compound row's guide structure according to claim 1 or 2 for adapting to debris flow scale variation great disparity, it is characterised in that：
Compound row's guide structure longitudinal slope is determined according to mudstone properties of flow and primitive groove circulation section longitudinal slope synthesis, takes the 80 of primitive groove circulation section longitudinal slope
~90%, viscous mud-flow takes large values, and diluted debris flow gets the small value.
5. the compound row's guide structure according to claim 2 for adapting to debris flow scale variation great disparity, it is characterised in that：It is described
The corresponding river bottom protection section of first order ladder is V-shaped, using the directional transverse gradient.
6. the compound row's guide structure according to claim 2 for adapting to debris flow scale variation great disparity, it is characterised in that：It is described
The cross fall of the river bottom protection of V-shaped presses (1：Debris flow velocity) it determines.
7. the compound row's guide structure according to claim 1 for adapting to debris flow scale variation great disparity, it is characterised in that：This is multiple
Formula arranges guide structure upstream and is equipped with ground sills (4), is connect with riverbed basis and with two sides massif, multiple described in mud-rock-flow-impact for stopping
Formula arranges guide structure, prevents mud-rock flow from revealing the inside story destruction.
8. the compound row's guide structure according to claim 1 for adapting to debris flow scale variation great disparity, it is characterised in that：This is multiple
Formula arranges guide structure foundation on slag (5) or it is steady to improve slip mass for the pressure slope body as landslide control for slag (5) side
It is fixed.
9. the compound row's guide structure according to claim 8 for adapting to debris flow scale variation great disparity, it is characterised in that：It is described
The setting draining of slag (5) bottom and filtration material (10).
10. the construction method of compound row's guide structure described in a kind of claim 1~9 any one, which is characterized in that step is such as
Under：
A, using dry season construction positioned at compound row's guide structure (1) upstream ground sills (4), ground sills (4) downstream formed slag (5) and
The dry work condition of compound row's guide structure (1)；
B, slag, slag (5) placement in layers grinding compacting are filled out in slip mass (7) leading edge, slag (5) fills to compound neighbouring row and leads knot
When structure bottom, one layer of crushed stone cushion is filled, and reserve certain pre- sedimentation time；
C, after slag (5) rate of settling slows down and becomes steady, the corresponding barricade of stepped side walls first order ladder of first constructing, barricade
Block construction is jumped in segmentation, and barricade is constructed the corresponding river bottom protection of first order ladder again to after pushing up, by river bottom protection bottom erosion control rib sill (6) position,
The slot pulling at a certain distance on slag (5) pours erosion control rib sill (6) in slot, and rib sill bottom is embedded in slag (5) in vivo, top with
River bottom protection anchors；
D, barricade and river bottom protection construction after the completion of, carry out barricade wall after slag (5) placement in layers and roll, slag (5) fill to
In the corresponding barricade bottom of next stage ladder；
E, slag (5) is corresponded to by construct this grade of ladder of the construction method of barricade and river bottom protection in step c after sedimentation a period of time again in advance
Barricade and river bottom protection；
F, according to slag (5) after remaining ladder and wall of the construction method of step d, step e construction stepped side walls.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810410284.XA CN108374386A (en) | 2018-05-02 | 2018-05-02 | Adapt to the compound row's guide structure and its construction method of debris flow scale variation great disparity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810410284.XA CN108374386A (en) | 2018-05-02 | 2018-05-02 | Adapt to the compound row's guide structure and its construction method of debris flow scale variation great disparity |
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| Publication Number | Publication Date |
|---|---|
| CN108374386A true CN108374386A (en) | 2018-08-07 |
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ID=63033211
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| CN201810410284.XA Pending CN108374386A (en) | 2018-05-02 | 2018-05-02 | Adapt to the compound row's guide structure and its construction method of debris flow scale variation great disparity |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720160A (en) * | 2012-06-15 | 2012-10-10 | 中国科学院水利部成都山地灾害与环境研究所 | All-lining debris flow draining and guiding groove with roughened groove bottom and application thereof |
| CN103696402A (en) * | 2014-01-01 | 2014-04-02 | 中国科学院－水利部成都山地灾害与环境研究所 | Wire mesh bottom protection type debris flow drain and guide ditch and application and construction methods thereof |
| CN105926542A (en) * | 2016-05-13 | 2016-09-07 | 中国科学院水利部成都山地灾害与环境研究所 | Asymmetric debris flow drainage groove and design method and application thereof |
| CN205894032U (en) * | 2016-07-29 | 2017-01-18 | 中国电建集团华东勘测设计研究院有限公司 | Mud -rock flow row who combines with road leads structure |
| CN208762947U (en) * | 2018-05-02 | 2019-04-19 | 中国电建集团华东勘测设计研究院有限公司 | Adapt to compound row's guide structure of debris flow scale variation great disparity |
-
2018
- 2018-05-02 CN CN201810410284.XA patent/CN108374386A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720160A (en) * | 2012-06-15 | 2012-10-10 | 中国科学院水利部成都山地灾害与环境研究所 | All-lining debris flow draining and guiding groove with roughened groove bottom and application thereof |
| CN103696402A (en) * | 2014-01-01 | 2014-04-02 | 中国科学院－水利部成都山地灾害与环境研究所 | Wire mesh bottom protection type debris flow drain and guide ditch and application and construction methods thereof |
| CN105926542A (en) * | 2016-05-13 | 2016-09-07 | 中国科学院水利部成都山地灾害与环境研究所 | Asymmetric debris flow drainage groove and design method and application thereof |
| CN205894032U (en) * | 2016-07-29 | 2017-01-18 | 中国电建集团华东勘测设计研究院有限公司 | Mud -rock flow row who combines with road leads structure |
| CN208762947U (en) * | 2018-05-02 | 2019-04-19 | 中国电建集团华东勘测设计研究院有限公司 | Adapt to compound row's guide structure of debris flow scale variation great disparity |
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Application publication date: 20180807 |