CN207228038U - The countermeasure system of large-scale Dumping Sites in a kind of debris flow gully - Google Patents
The countermeasure system of large-scale Dumping Sites in a kind of debris flow gully Download PDFInfo
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- CN207228038U CN207228038U CN201720764010.1U CN201720764010U CN207228038U CN 207228038 U CN207228038 U CN 207228038U CN 201720764010 U CN201720764010 U CN 201720764010U CN 207228038 U CN207228038 U CN 207228038U
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- drainage groove
- dumping sites
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Abstract
The utility model discloses a kind of countermeasure system of large-scale Dumping Sites in debris flow gully, it include Dumping Sites (1), check dam dam (2), stop silt field (3), drainage groove (4) and dykes and dams of blocking (6)；The check dam dam (2) is located at the upstream of debris flow gully, the silt field (3) of stopping is located between the dykes and dams of blocking (6) that the check dam dam (2) and downstream are laterally set, the drainage groove (4) is located at the side of the Dumping Sites (1) and is arranged along the edge of the Dumping Sites (1), and the import of the drainage groove (4) is located at the head upstream of the Dumping Sites (1)；It overcomes control measure single in the prior art, the shortcomings that often causing control structure to fail, and without carrying out huge excavation and supporting construction, has the land area that can reduce engineering waste and Dumping Sites, the advantages of economizing the land resource.
Description
Technical field
Debris flow gully Way of Engineering Technology in Control of Underground field is the utility model is related to, is more specifically in a kind of debris flow gully
The countermeasure system of large-scale Dumping Sites.
Background technology
Construction of hydropower plant is carried out in Southwestern China area deep mountain valleys area, the position of Dumping Sites is by landform, geology bar
The limitation of part, is generally selected in large-scale coombe.Since this area is Debris Flow area, and large-scale Dumping Sites capacity is hundred
More than all places, waste height is up to hundred meter levels, it is particularly important that debris flow of large-scale Dumping Sites is in project construction process.Mudstone
It is preferred control prece that stream row, which leads engineering, but single control measure, often causes control structure to fail, and is not reached expected
Effect, a variety of control measures form countermeasure system, and effect is more preferable.
Debris flow drainage leads and mainly uses drainage groove at present, and row's conducting wire road is generally along waste field edge and the boundary line cloth of coombe
Put.To avoid drainage groove basis from causing drainage groove drawing crack, drainage groove structure, which must be seated in, excavates massif shape there are differential settlement
Into foundation plane on.In the case where gallery space is narrow and small, both sides landform is precipitous, for formed above-mentioned foundation plane need to carry out it is huge
Excavation and supporting construction, or even foundation plane can not be formed, as a result cause flood season arriving front row to lead facility and be difficult to complete, Dumping Sites
It can not pass the flood period, it is huge that row leads construction investment.
Therefore need to study the countermeasure system and implementation of large-scale Dumping Sites in a kind of debris flow gully, to ensure mud-rock flow
Home smoothly can be drained into by Dumping Sites, so that ensure the stability and security of Dumping Sites, while construction investment is small,
And row can be completed before flood and lead engineering construction.
Utility model content
The purpose of the utility model is to overcome the shortcoming of above-mentioned background technology, and propose big in a kind of debris flow gully
The countermeasure system of type Dumping Sites.
The purpose of this utility model is implemented by following technical solution：Large-scale Dumping Sites in a kind of debris flow gully
Countermeasure system, it includes Dumping Sites, check dam dam, stops silt field, drainage groove and dykes and dams of blocking；The check dam dam is located at debris flow gully
Upstream, the silt field of stopping is located between the dykes and dams of blocking that the check dam dam and downstream are laterally set.
The drainage groove is located at the side of the Dumping Sites and is arranged along the edge of the Dumping Sites；
The import of the drainage groove is located at the head upstream of the Dumping Sites, and the outlet of the drainage groove is located at institute
The top outer for the Dumping Sites stated；
The drainage groove import dykes and dams side and is blocked in the dykes and dams of blocking positioned at described block；
In the above-mentioned technical solutions：The check dam dam uses gravity type physical check Dun Ba；
The check dam dam includes dam body, prefabricated culvert pipe, reinforced gabion protection-apron, concrete apron and overflow port；Described
Dam body at the top of be provided with lattice pier shape overflow port；
More prefabricated culvert pipe are embedded with along overcurrent direction in the bottom on the check dam dam, in the downstream on the check dam dam
Concrete apron and reinforced gabion protection-apron are provided with, the reinforced gabion protection-apron is made of multiple reinforced gabions and is laid on institute
The top for the concrete apron stated.
In the above-mentioned technical solutions：Described Yu Chang bottoms of stopping are closed using clay layer, both sides and meet big vast face using slurry
Pitched work is reinforced.
In the above-mentioned technical solutions：The drainage groove includes drainage groove basis, slot bottom blinding concrete and secondary lining
Concrete；The drainage groove basis, which is located at the bottom of the drainage groove and is filled by waste body, to be formed, the drainage groove
Basis compaction degree is more than 95%；Slot bottom blinding concrete is poured along the top on the drainage groove basis, in the slot bottom
The top of blinding concrete has poured secondary lining concrete, limits in the upper surface of the secondary lining concrete and splits steel
Muscle.
The utility model includes following advantage：1st, check dam dam is located in the raceway groove of debris flow gully upstream, can control under upstream
Restarting for the ratchel let out and raceway groove inside points bulk materials, cuts down the peak amount and kinetic energy of mud-rock flow, is conducive to Dumping Sites top
The smooth row of portion's drainage groove leads.
2nd, stop silt field and be located at drainage groove import front end, formed using dykes and dams of blocking and stop silt storage capacity, mud-rock flow is in the region
It is also easy to produce and largely deposits and reduce flow velocity, the erosion to drainage groove and siltation degree can be reduced.
3rd, drainage groove is located at the top of Dumping Sites, in the case that gallery space is narrow and small, both sides landform is precipitous, it is not necessary to
Largely excavate and supporting, speed of application is fast, and construction investment is smaller, disclosure satisfy that Dumping Sites are passed the flood period requirement.
4th, the method for " Zha Ti branches fill, groove body time phasing ", which can handle slag body differential settlement, causes drainage groove to draw
The problem of splitting, drainage groove structure are safe and reliable.
5th, block dykes and dams and drainage groove basis filled, be capable of the excavated material of utilizing works construction, can reduce engineering waste and
The land area of Dumping Sites, economizes the land resource.
Brief description of the drawings
Fig. 1 is the structural plan of the utility model.
Fig. 2 be the utility model in Dumping Sites fill after the completion of floor plan.
Fig. 3 is check dam dam upstream elevation view in the utility model.
Fig. 4 is the cross-sectional view on check dam dam in the utility model.
Fig. 5 is to stop silt field, dykes and dams of blocking, drainage groove profile in the utility model.
Fig. 6 is the cross-sectional view after the completion of drainage groove secondary lining concrete.
In figure：Dumping Sites 1, check dam dam 2, dam body 2.1, prefabricated culvert pipe 2.2, reinforced gabion protection-apron 2.3, concrete apron
2.4th, overflow port 2.5, stop silt field 3, clay layer 3.1, stone masonry bank protection 3.2, drainage groove 4, drainage groove basis 4.1, slot bottom bed course
Concrete 4.2, secondary lining concrete 4.3, limit split reinforcing bar 4.4, mud-rock flow 5, dykes and dams 6 of blocking.
Embodiment
Describe the performance of the utility model in detail below in conjunction with the accompanying drawings, but they are not formed to the utility model
Limit, it is only for example；The advantages of the utility model, will become clearer and be readily appreciated that by explanation at the same time.
With reference to shown in Fig. 1-6：The countermeasure system of large-scale Dumping Sites in a kind of debris flow gully, it is characterised in that：It includes abandoning
Cinder field 1, check dam dam 2, stop silt field 3, drainage groove 4 and dykes and dams 6 of blocking；The check dam dam 2 is located at the upstream of debris flow gully, described
Silt field 3 of stopping be located between the dykes and dams 6 of blocking that the check dam dam 2 and downstream are laterally set,
The drainage groove 4 is located at the side of the Dumping Sites 1 and is arranged along the edge of the Dumping Sites 1；
The import of the drainage groove 4 is located at the head upstream of the Dumping Sites 1, the outlet position of the drainage groove 4
In the top outer of the Dumping Sites 1；
4 import of drainage groove 6 side of dykes and dams and is blocked in the dykes and dams 6 of blocking positioned at described block；
The check dam dam 2 is using gravity type physical check Dun Ba；
The check dam dam 2 includes dam body 2.1, prefabricated culvert pipe 2.2, reinforced gabion protection-apron 2.3,2.4 and of concrete apron
Overflow port 2.5；Lattice pier shape overflow port 2.2 is provided with the top of the dam body 2.1；
More prefabricated culvert pipe 2.2 are embedded with along overcurrent direction in the bottom on the check dam dam 2, on the check dam dam 2
Downstream be provided with concrete apron 2.4 and reinforced gabion protection-apron 2.3, the reinforced gabion protection-apron 2.3 is by multiple reinforcing bar stones
Cage forms and is laid on the top of the concrete apron 2.4.
3 bottom of silt field of stopping is closed using clay layer 3.1, both sides and meet big vast face using stone masonry bank protection 3.2 plus
Gu.
The drainage groove 4 includes drainage groove basis 4.1, slot bottom blinding concrete 4.2 and secondary lining concrete 4.3；
The drainage groove basis 4.1, which is located at the bottom of the drainage groove 4 and is filled by waste body, to be formed, drainage groove basis
4.1 compactnesss are more than 95%；Slot bottom blinding concrete 4.2 is poured along the top on the drainage groove basis 4.1, described
The top of slot bottom blinding concrete 4.2 has poured secondary lining concrete 4.3, in the upper of the secondary lining concrete 4.3
Surface, which is limited, splits reinforcing bar 4.4；The average gradient of the drainage groove 4 is 8%.
The utility model further includes a kind of implementation of the countermeasure system of large-scale Dumping Sites in debris flow gully, its feature exists
In：It includes the following steps；
1., by the quantity and distribution situation of bulk materials in field investigation debris flow gully, determine the formation area of mud-rock flow
And Circulation Area；
2., in 1. debris flow formation region and Circulation Area that step determines, selecting geological conditions, preferably, before dam storage capacity is larger
Position, as the dam site on check dam dam 2, the dam site number on the check dam dam 2 is true according to the distribution situation of bulk materials in ditch
It is fixed；
3., 2 foundation excavation of check dam dam is carried out in 2. dam site position that step determines, until meeting that the antiskid of dam body 2.1 is steady
Provisioning request, dam abutment bank slope milling slot, makes dam body 2.1 be embedded in bank slope basement rock.
4., the check dam dam 2 use gravity type physical check Dun Ba, the dam crest on the check dam dam 2 sets lattice pier shape overflow
2.5 overcurrents of mouth；The dam body 2.1 uses C25 concretings, the original ground in the middle part of the axis of dam on the check dam dam 2
Prefabricated culvert pipe 2.2 is buried along overcurrent direction at elevation, C15 concrete aprons are poured in the toe downstream on the check dam dam 2
2.4, reinforced gabion 2.3 is piled up on the concrete apron 2.4, prevents toe is drawn from rinsing.
5., described silt field 3 of stopping be located at 4 import front end of drainage groove, it is described stop silt field 3 be located at the check dam dam 2 with
Between the dykes and dams 6 of blocking that downstream is set, the dykes and dams 6 of blocking are filled using soil-stone material to be formed；
Closed in 3 bottom of silt field of stopping using clay layer 3.1, in the both sides for stopping silt field 3 and meet big vast face and adopt
Reinforced with stone masonry bank protection 3.2；When mud-rock flow 5 is let out under the raceway groove of upstream, solid matter will stop producing siltation simultaneously in silt field 3
Flow velocity is reduced, so as to reduce the erosion to drainage groove and siltation degree (flow direction of arrow expression mud-rock flow in figure).
6., the drainage groove 4 laid along 1 top edge of Dumping Sites, the import of the drainage groove 4 is set with upstream
The dykes and dams 6 of blocking connect, the outlet of the drainage groove 4 is away from Dumping Sites 1, and the drainage groove basis 4.1 is by abandoning
Slag body, which fills, to be formed, and the compactness on the drainage groove basis 4.1 is more than 95%；
The drainage groove basis 4.1 is by stone matter is hard, the continuous slag charge of particle diameter forms；The drainage groove 4 exports position
In original slope surface stone matter is hard, anti-impact rinses the strong position of ability.
4 substage construction of drainage groove forms, before first flood season of the Dumping Sites 1 arrives, described in completion
The slot bottom blinding concrete 4.2 of drainage groove 4 pour, after first flood season of the Dumping Sites 1 use anti-impact
Grinding concrete pours secondary lining concrete 4.3 to the top of original slot bottom blinding concrete 4.2, and described
The surface of secondary lining concrete 4.3, which is limited, splits reinforcing bar 4.4；The drainage groove basis 4.1 is settled by flood season so that whole
The structure of drainage groove 4 just becomes firm firm.
The sedimentation period on the drainage groove basis 4.1 can increase according to the resistant abrasion situation of slot bottom blinding concrete 4.2.
A diameter of 1.5m of the prefabricated culvert pipe 2.2, the size of the reinforced gabion for 2m × 1m × 1m (it is long ×
It is wide × high)；Entirety is linked to be using U-shaped follow closely between the adjacent reinforced gabion, the block stone in the reinforced gabion uses
It is fresh to be not easy decayed rock.
Above-mentioned unspecified part is the prior art.
Claims (4)
- A kind of 1. countermeasure system of large-scale Dumping Sites in debris flow gully, it is characterised in that：It includes Dumping Sites (1), check dam dam (2), silt field (3), drainage groove (4) and dykes and dams of blocking (6) are stopped；The check dam dam (2) is located at the upstream of debris flow gully, described Stop silt field (3) to be located between the dykes and dams of blocking (6) that the check dam dam (2) and downstream are laterally set；The drainage groove (4) is located at the side of the Dumping Sites (1) and is arranged along the edge of the Dumping Sites (1)；The import of the drainage groove (4) is located at the head upstream of the Dumping Sites (1), the outlet of the drainage groove (4) Positioned at the top outer of the Dumping Sites (1)；Described drainage groove (4) import is positioned at dykes and dams of blocking (6) side and blocks in the dykes and dams of blocking (6).
- 2. the countermeasure system of large-scale Dumping Sites in a kind of debris flow gully according to claim 1, it is characterised in that：Described Check dam dam (2) uses gravity type physical check Dun Ba；The check dam dam (2) includes dam body (2.1), prefabricated culvert pipe (2.2), reinforced gabion protection-apron (2.3), concrete apron (2.4) and overflow port (2.5), lattice pier shape overflow port (2.5) is provided with the top of the dam body (2.1)；More prefabricated culvert pipe (2.2) are embedded with along overcurrent direction in the bottom on the check dam dam (2), on the check dam dam (2) downstream is provided with concrete apron (2.4) and reinforced gabion protection-apron (2.3), and the reinforced gabion protection-apron (2.3) is by more A reinforced gabion forms and is laid on the top of the concrete apron (2.4).
- 3. the countermeasure system of large-scale Dumping Sites in a kind of debris flow gully according to claim 1 or 2, it is characterised in that：Institute State stop silt field (3) bottom using clay layer (3.1) close, both sides and meet big vast face using stone masonry bank protection (3.2) reinforce.
- 4. the countermeasure system of large-scale Dumping Sites in a kind of debris flow gully according to claim 3, it is characterised in that：Described Drainage groove (4) includes drainage groove basic (4.1), slot bottom blinding concrete (4.2) and secondary lining concrete (4.3)；Described Drainage groove basis (4.1), which is located at the bottom of the drainage groove (4) and is filled by waste body, to be formed, drainage groove basis (4.1) compactness is more than 95%；Slot bottom blinding concrete (4.2) has been poured along the top of the drainage groove basic (4.1), The top of the slot bottom blinding concrete (4.2) has poured secondary lining concrete (4.3), in the secondary lining coagulation The upper surface of native (4.3), which is limited, splits reinforcing bar (4.4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720764010.1U CN207228038U (en) | 2017-06-28 | 2017-06-28 | The countermeasure system of large-scale Dumping Sites in a kind of debris flow gully |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720764010.1U CN207228038U (en) | 2017-06-28 | 2017-06-28 | The countermeasure system of large-scale Dumping Sites in a kind of debris flow gully |
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| CN207228038U true CN207228038U (en) | 2018-04-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107119624A (en) * | 2017-06-28 | 2017-09-01 | 长江勘测规划设计研究有限责任公司 | The countermeasure system and implementation of large-scale Dumping Sites in a kind of debris flow gully |
| CN110295613A (en) * | 2019-07-12 | 2019-10-01 | 长江勘测规划设计研究有限责任公司 | Dumping Sites ecology bracing means and its application method |
| CN111119154A (en) * | 2019-11-04 | 2020-05-08 | 中铁二院工程集团有限责任公司 | River valley type debris flow ditch waste slag land-making structure and construction method |
| CN110295613B (en) * | 2019-07-12 | 2024-04-12 | 长江勘测规划设计研究有限责任公司 | Waste slag field ecological reinforcement device and use method thereof |
-
2017
- 2017-06-28 CN CN201720764010.1U patent/CN207228038U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107119624A (en) * | 2017-06-28 | 2017-09-01 | 长江勘测规划设计研究有限责任公司 | The countermeasure system and implementation of large-scale Dumping Sites in a kind of debris flow gully |
| CN110295613A (en) * | 2019-07-12 | 2019-10-01 | 长江勘测规划设计研究有限责任公司 | Dumping Sites ecology bracing means and its application method |
| CN110295613B (en) * | 2019-07-12 | 2024-04-12 | 长江勘测规划设计研究有限责任公司 | Waste slag field ecological reinforcement device and use method thereof |
| CN111119154A (en) * | 2019-11-04 | 2020-05-08 | 中铁二院工程集团有限责任公司 | River valley type debris flow ditch waste slag land-making structure and construction method |
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