CN208762947U - Adapt to compound row's guide structure of debris flow scale variation great disparity - Google Patents
Adapt to compound row's guide structure of debris flow scale variation great disparity Download PDFInfo
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- CN208762947U CN208762947U CN201820644816.1U CN201820644816U CN208762947U CN 208762947 U CN208762947 U CN 208762947U CN 201820644816 U CN201820644816 U CN 201820644816U CN 208762947 U CN208762947 U CN 208762947U
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Abstract
The utility model relates to a kind of compound row's guide structures of adaptation debris flow scale variation great disparity.The purpose of the utility model is to provide a kind of compound row's guide structures 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 solution of the utility model is: 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 second level row leads section, and second level row leads section and leads 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 arrange as the three-level in the safety stock channel for leading overproof mud-rock flow off.
Description
Technical field
The utility model relates to a kind of compound row's guide structures of adaptation debris flow scale variation great disparity.Suitable for water conservancy and hydropower
Debris flow technical field in engineering, traffic engineering and geological hazard control engineering.
Background technique
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 lower 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, and drainage groove is easily caused to deposit, when big rule
Mould mud-rock flow temporarily, to influence its discharge capacity, drainage groove is made to lose due function.
Summary of the invention
Technical problem to be solved by the utility model is: in view of the above problems, providing a kind of adaptation mud-rock flow rule
Compound row's guide structure of modingization great disparity, is not become silted up with ensuring not rush, and improves the degree of safety of debris flow drainage guiding systems.
The technical scheme adopted by the utility model is a kind of compound row for adapting to debris flow scale variation great disparity leads knot
Structure, it is characterised 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 second level row leads section, and second 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 takes primitive groove circulation section according to mudstone properties of flow and the comprehensive determination of primitive groove circulation section longitudinal slope
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 is determined by (1: debris flow velocity).
Compound row's guide structure upstream is equipped with ground sills, 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, it is located at the ground sills of compound row's guide structure upstream using dry season construction, 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 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 and river bottom protection anchor；
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 settles after a period of time again corresponding by the same level ladder of constructing of the construction method of barricade and river bottom protection in step c in advance
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 utility model are: the utility model is formed stair-stepping by the way that stair-stepping side wall is arranged
Various different scales can be flexibly met in flow section, 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.
The barricades and river bottom protection at different levels for forming compound row's guide structure are ladder-like separate structure, and stable structure can better adapt to slag
The inhomogeneous deformation of body, the row's of raising guide structure safety.
Compound row's guide structure of the utility model can play raising landslide when slip mass is administered and cinder field is using combining
The diversification comprehensive functions such as body is stable and cinder field is protected.
Compound row's guide structure of the utility model can be used concrete or grout stone material, and structure is simple, easy for construction, at
This is cheap.
Detailed description of the invention
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 embodiment
Embodiment 1: as shown in Figure 1 and Figure 2, the present embodiment is that a kind of compound row of adaptation debris flow scale variation great disparity leads
Structure, compound row's guide structure are established in 5 side of slag, can be used as the pressure slope body of landslide control, are played raising slip mass 7 and are stablized
Effect, when in conjunction 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.
Stepped side walls are answered to form stair-stepping flow section in compound row's guide structure 1, it 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 middle 202 lower part of barricade, middle barricade 202 and middle 302 corresponding region of river bottom protection
Interior formation second 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 barricade 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 takes according to mudstone properties of flow and the comprehensive determination of primitive groove circulation section longitudinal slope in the present embodiment
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, plays line and attacks Sha Zuoyong, increases hydrodynamic force, avoid
Sediment siltation, be conducive to usually small flow take sand water 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 compound 1 upstream stem of 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 using concreting or cemented rock in the present embodiment, and structure is simple, construction is simple
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 by scupper or other facility carrying-offs, 4 downstream of ground sills forms the dry work item of slag 5 and compound row's guide structure 1
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 pours lower river bottom protection 301 of being constructed after (or build) to top again, to avoid because of the self weight of lower retaining wall 201 increase heap deposition
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 and lower river bottom protection 301 anchor, and 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, barricade 202 in (masonry) is poured after sedimentation a period of time again in advance, block construction, middle barricade are jumped in the middle segmentation of barricade 202
202 pour river bottom protection 302 in being constructed after (or masonry) to top again.
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, (masonry) top retaining wall 203 is poured after sedimentation a period of time again in advance, block construction, top retaining wall are jumped in the segmentation of top retaining wall 203
203 pour upper river bottom protection 303 of being constructed after (or masonry) to top again.
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: it 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 compound 1 two sides side wall of row's guide structure is step structure.
Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
The those of ordinary skill in art field, in the scope of the utility model, variation, addition or the replacement made all should belong to this reality
With novel protection scope.
Claims (8)
1. a kind of compound row's guide structure for adapting to debris flow scale variation great disparity, it is characterised in that: the one of compound row's guide structure
Side or two 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 second level row leads section, and second 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: 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: 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 takes the 80 of primitive groove circulation section longitudinal slope according to mudstone properties of flow and the comprehensive determination 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: 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 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), connect with riverbed basis and with two sides massif.
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 row's guide structure is established on slag (5) or slag (5) side.
8. the compound row's guide structure according to claim 7 for adapting to debris flow scale variation great disparity, it is characterised in that: described
The setting draining of slag (5) bottom and filtration material (10).
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| CN108374386A (en) * | 2018-05-02 | 2018-08-07 | 中国电建集团华东勘测设计研究院有限公司 | 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 | Priority date | Publication date | Assignee | Title |
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| CN108374386A (en) * | 2018-05-02 | 2018-08-07 | 中国电建集团华东勘测设计研究院有限公司 | Adapt to the compound row's guide structure and its construction method of debris flow scale variation great disparity |
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