CN108560501A - The construction method of dregs-blocking dam and dregs-blocking dam - Google Patents
The construction method of dregs-blocking dam and dregs-blocking dam Download PDFInfo
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- CN108560501A CN108560501A CN201810546439.2A CN201810546439A CN108560501A CN 108560501 A CN108560501 A CN 108560501A CN 201810546439 A CN201810546439 A CN 201810546439A CN 108560501 A CN108560501 A CN 108560501A
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- Prior art keywords
- filter layer
- dregs
- flow
- blocking dam
- pervious bed
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/02—Fixed barrages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Sewage (AREA)
Abstract
The present invention relates to the construction methods of dregs-blocking dam and dregs-blocking dam.Wherein dregs-blocking dam includes：First filter layer；It is set to first filter layer and meets pervious bed to water (flow) direction；It is set to the pervious bed and meets the second filter layer to water (flow) direction；Wherein, the gap of second filter layer is less than the gap of first filter layer, to, on the one hand, first filter layer, second filter layer and pervious bed penetrate convenient for flow, it can prevent flow from covering soil losses caused by suspended load caused by the dam crest of dregs-blocking dam and flow muddiness, on the other hand, first filter layer and the second filter layer can be with the smaller bed load of grain size in filtered water stream and suspended loads, the bed load and suspended load that grain size can be prevented smaller penetrate soil losses caused by rotten slag dam and flow is muddy, to provide a kind of technical solution solving soil losses and flow muddiness technical problem.
Description
Technical field
The present invention relates to the technical fields of construction, more particularly to the construction method of dregs-blocking dam and dregs-blocking dam.
Background technology
Dregs in flow in the prior art can be generally divided into bed load and suspended load two major classes.Bed load
(traction load, bed material load) be also known as bed material load (bed load), bottom load (bottom load) or
Load (solid load) or hauled load (traction load) are elapsed, can refer to rolling, moving along river bed in flow
Dynamic, jump or the sand grain moved in such a way that layer moves.Suspended load (suspended load) is also known as suspended sediments, suspending carries
Lotus, can refer to be suspended in river flowing water, the thinner silt that moves down with flowing water and colloid etc., i.e., in flow because
Turbulent flow and far from bed surface and carrying out mobile clast in suspended pattern in water.Suspended load usually may include clay, powder
Sand and fine sand.The dregs-blocking dam for the blocking dregs built in flow can solve dregs pair present in flow to a certain extent
The pollution problem of flow.
Inventor has found that there are following technical problems during realizing the prior art：
Dregs-blocking dam mainly has concrete structure and reinforced gabion structure.The dregs-blocking dam of concrete structure is waterproof, can be with
So that deposit before bed load dregs-blocking dam dam, and the dam crest that suspended load can then cover dregs-blocking dam with flow flows to downstream, causes to occur
Soil losses and there is flow turbid phenomenon.The dregs-blocking dam of reinforced gabion structure can be filled by block stone, and water permeable ability is strong, to
The smaller bed load of grain size and suspended load can then be passed through from the dam body of dregs-blocking dam flows to downstream, leads to soil losses and flow occur
Turbid phenomenon.
Therefore, the application provides a kind of prevent soil loss and the technical solution of flow muddiness.
Invention content
Based on this, it is necessary to provide a kind of prevent soil loss and the technical solution of flow muddiness.
Specifically, a kind of dregs-blocking dam, including：
First filter layer；
It is set to first filter layer and meets pervious bed to water (flow) direction；
It is set to the pervious bed and meets the second filter layer to water (flow) direction；
Wherein, the gap of second filter layer is less than the gap of first filter layer.
Further, the packing material of first filter layer includes sand gravel；
The packing material of second filter layer includes geotextiles.
Further, the pervious bed and first filter layer are alternately arranged, and the second filter layer setting is described
Between water layer and first filter layer.
Further, second filter layer is set among the pervious bed.
Further, second filter layer at least has the first infiltration area and the second infiltration area.
Further, the infiltration direction intersection in the first infiltration area and the second infiltration area.
Further, the pervious bed includes that the first permeable module and different from the first permeable module size second are permeable
Module.
Further, the dregs-blocking dam further includes being set to bottom to be used to support first filter layer, the pervious bed
With the screed-coat of second filter layer.
The application also provides a kind of construction method of dregs-blocking dam, includes the following steps：
It is laid with screed-coat at bed bottom；
In first filter layer of levelling layer building；
It is met to the side of water (flow) direction in first filter layer and builds pervious bed；
It is met to the side of water (flow) direction in the pervious bed and builds the second filter layer；
It is met to the side of water (flow) direction in second filter layer and again pulls up pervious bed.
The application also provides a kind of construction method of dregs-blocking dam, includes the following steps：
It is laid with screed-coat at bed bottom；
In first filter layer of levelling layer building；
It is met to the side of water (flow) direction in first filter layer and builds pervious bed；
It is met to the side of water (flow) direction in the pervious bed and builds the second filter layer；
It is met to the side of water (flow) direction in second filter layer and again pulls up first filter layer.
Technical solution provided by the present application at least has the advantages that：
On the one hand, the first filter layer, the second filter layer and pervious bed penetrate convenient for flow, can prevent flow from covering debris retaining
Soil losses caused by suspended load caused by the dam crest on dam and flow are muddy, on the other hand, the first filter layer and the second filter layer
Can be with the smaller bed load of grain size in filtered water stream and suspended load, the bed load that grain size can be prevented smaller and suspended load are through rotten
Soil losses caused by slag dam and flow are muddy, to provide a kind of skill solving soil losses and flow muddiness technical problem
Art scheme.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of dregs-blocking dam provided by the embodiments of the present application.
Fig. 2 is the structural schematic diagram of another dregs-blocking dam provided by the embodiments of the present application.
Fig. 3 is a kind of construction method flow chart of dregs-blocking dam provided by the present application.
Fig. 4 is the construction method flow chart of another dregs-blocking dam provided by the present application.
Dregs-blocking dam 100
First filter layer 11
Pervious bed 12
First permeable module 121
Second permeable module 122
Second filter layer 13
Screed-coat 14
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is please referred to, is a kind of vertical section structure schematic diagram of dregs-blocking dam 100 provided by the present application.Dregs-blocking dam 100 wraps
It includes：
First filter layer 11；
It is set to first filter layer 11 and meets pervious bed 12 to water (flow) direction；
It is set to the pervious bed 12 and meets the second filter layer 13 to water (flow) direction；
Wherein, the gap of second filter layer 13 is less than the gap of first filter layer 11.
First filter layer 11 may be used to provide the dam body intensity of dregs-blocking dam 100, filter the bed load of bulky grain and suspended
Matter.In a kind of embodiment provided by the present application, the packing material of the first filter layer 11 includes sand gravel.Due to sand gravel grain size
Larger, the gap between sand gravel particle is relatively large, consequently facilitating flow passes through, and the larger particles in flow then can be by
First filter layer 11 filters down.Meanwhile the hardness of sand gravel is larger, thereby may be ensured that the intensity of dregs-blocking dam 100.
Pervious bed 12 may be used to provide certain dam body intensity, flow passes through performance and quick construction efficiency.
In a kind of embodiment provided by the present application, pervious bed 12 include the first permeable module 121 and with 121 size of the first permeable module not
The second same permeable module 122.First permeable module 121 includes the first frame and receiving and the block stone in the first frame.First
Frame can be network-like structure made of having the tissues such as the item, bar, stick of some strength.The material of first frame can be gold
Belong to material, can also be various synthetic materials.The granular size of block stone can select as the case may be, select in this application
The particle diameter for the block stone selected is 25cm-40cm.Second permeable module 122 includes the second frame and is contained in the second frame
Block stone.Second frame can be network-like structure made of having the tissues such as the item, bar, stick of some strength.The material of second frame
Material can be metal material, can also be various synthetic materials.The granular size of block stone can select as the case may be,
The particle diameter of the block stone selected in the application is 25cm-40cm.The size of first frame and the second frame is different.For example, the
The size of size 1.0m × 1.0m × 1.0m of one frame, the second frame can be 1.0m × 1.0m × 1.5m.First frame can
Think square.Second frame can be cuboid.Several reinforcing items can also be set on the first frame and the second frame.First
The size on two sides in frame, material can be different.The size on two sides in the second frame, material equally can be different.
For example, a line of frame uses the reinforcing bar of diameter 22mm, another a line to use the reinforcing bar of diameter 8mm.First frame and second
The size of frame is different, and the first permeable module 121 is different with the size of the second permeable module 122 in other words, consequently facilitating structure
The pervious bed 12 of different structure.For example, stacking the first permeable module 121 and the second permeable module 122 of setting, can ensure
Under the premise of side is aligned, formed in the opposite other side step-like.
Second filter layer 13 is mainly used for providing the function of the bed load and suspended load of the smaller particle in filtered water stream.
In a kind of embodiment provided by the present application, the second filter layer 13 may include geotextiles.It should be pointed out that geotextiles here
It is not construed as the substantial limit to the application protection domain, geotextiles can be pierced or woven by needle by synthetic fibers
Made of water penetration geosynthetics.The specification of geotextiles can use 300g/m2Material.
Fig. 1 is please referred to, in another embodiment provided by the present application, second filter layer 13 is set to described
Among water layer 12.
Fig. 2 is please referred to, in a kind of embodiment provided by the present application, pervious bed 12 and the first filter layer 11 are alternately arranged
Row, the second filter layer 13 are arranged between pervious bed 12 and the first filter layer 11.
In order to improve the efficiency through dregs-blocking dam 100 for improving flow, second filter layer 13 at least has first to ooze
Pool and the second infiltration area.It is understood that the collocation in different infiltration areas can improve the effect that flow penetrates dregs-blocking dam 100
Rate.In the embodiment that the application is led to, the infiltration direction intersection in the first infiltration area and the second infiltration area.In this way, being unfavorable for
The flow penetrated from the first infiltration area can be penetrated from the second infiltration area.
Further, in order to improve the structure efficiency of dregs-blocking dam 100, standardized construction method is provided, the application provides
Dregs-blocking dam 100 further include being set to bottom to be used to support first filter layer 11, the pervious bed 12 and second mistake
The screed-coat 14 of filtering layer 13.
Screed-coat 14 is used to cope with the bed bottom of different depth, a smooth basal plane is provided, to build the first filter layer
11, pervious bed 12 and the second filter layer 13.Screed-coat 14 can use different construction materials building in order to provide dregs-blocking dam 100
Build intensity.
Please refer to Fig. 3, the application also provides a kind of construction method of dregs-blocking dam 100, includes the following steps：
S100:It is laid with screed-coat 14 at bed bottom；
S200:The first filter layer 11 is built in the screed-coat 14；
S300:It is met to the side of water (flow) direction in first filter layer 11 and builds pervious bed 12；
S400:It is met to the side of water (flow) direction in the pervious bed 12 and builds the second filter layer 13；
S500:It is met to the side of water (flow) direction in second filter layer 13 and again pulls up pervious bed 12.
Fig. 4 is please referred to, the application also provides the construction method of another dregs-blocking dam 100, includes the following steps：
S101:It is laid with screed-coat 14 at bed bottom；
S201:The first filter layer 11 is built in the screed-coat 14；
S301:It is met to the side of water (flow) direction in first filter layer 11 and builds pervious bed 12；
S401:It is met to the side of water (flow) direction in the pervious bed 12 and builds the second filter layer 13；
S501:It is met to the side of water (flow) direction in second filter layer 13 and again pulls up first filter layer 11.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of dregs-blocking dam, which is characterized in that including：
First filter layer；
It is set to first filter layer and meets pervious bed to water (flow) direction；
It is set to the pervious bed and meets the second filter layer to water (flow) direction；
Wherein, the gap of second filter layer is less than the gap of first filter layer.
2. dregs-blocking dam according to claim 1, which is characterized in that the packing material of first filter layer includes gravel
Stone；
The packing material of second filter layer includes geotextiles.
3. dregs-blocking dam according to claim 1, which is characterized in that the pervious bed and first filter layer are alternately arranged
Row, second filter layer are arranged between the pervious bed and first filter layer.
4. dregs-blocking dam according to claim 1, which is characterized in that second filter layer is set in the pervious bed
Between.
5. dregs-blocking dam according to claim 1, which is characterized in that second filter layer at least have first infiltration area and
Second infiltration area.
6. dregs-blocking dam according to claim 1, which is characterized in that the infiltration side in the first infiltration area and the second infiltration area
To intersection.
7. dregs-blocking dam according to claim 1, which is characterized in that the pervious bed includes the first permeable module and with first
The second different permeable module of permeable module size.
8. dregs-blocking dam according to claim 1, which is characterized in that the dregs-blocking dam further includes being set to bottom to be used to support
The screed-coat of first filter layer, the pervious bed and second filter layer.
9. a kind of construction method of dregs-blocking dam, which is characterized in that include the following steps：
It is laid with screed-coat at bed bottom；
In first filter layer of levelling layer building；
It is met to the side of water (flow) direction in first filter layer and builds pervious bed；
It is met to the side of water (flow) direction in the pervious bed and builds the second filter layer；
It is met to the side of water (flow) direction in second filter layer and again pulls up pervious bed.
10. a kind of construction method of dregs-blocking dam, which is characterized in that include the following steps：
It is laid with screed-coat at bed bottom；
In first filter layer of levelling layer building；
It is met to the side of water (flow) direction in first filter layer and builds pervious bed；
It is met to the side of water (flow) direction in the pervious bed and builds the second filter layer；
It is met to the side of water (flow) direction in second filter layer and again pulls up first filter layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810546439.2A CN108560501A (en) | 2018-05-31 | 2018-05-31 | The construction method of dregs-blocking dam and dregs-blocking dam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810546439.2A CN108560501A (en) | 2018-05-31 | 2018-05-31 | The construction method of dregs-blocking dam and dregs-blocking dam |
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| Publication Number | Publication Date |
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| CN108560501A true CN108560501A (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810546439.2A Pending CN108560501A (en) | 2018-05-31 | 2018-05-31 | The construction method of dregs-blocking dam and dregs-blocking dam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670545A (en) * | 2019-09-25 | 2020-01-10 | 宁夏大学 | Closure slow-release ecological dam for water and soil loss treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670545A (en) * | 2019-09-25 | 2020-01-10 | 宁夏大学 | Closure slow-release ecological dam for water and soil loss treatment |
| CN110670545B (en) * | 2019-09-25 | 2021-10-19 | 宁夏大学 | Closure slow-release ecological dam for water and soil loss treatment |
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Application publication date: 20180921 |
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