CN204551386U - For the gear row structure of ditch water treatment - Google Patents
For the gear row structure of ditch water treatment Download PDFInfo
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- CN204551386U CN204551386U CN201520210608.7U CN201520210608U CN204551386U CN 204551386 U CN204551386 U CN 204551386U CN 201520210608 U CN201520210608 U CN 201520210608U CN 204551386 U CN204551386 U CN 204551386U
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Abstract
The utility model discloses a kind of gear row structure of carrying out ditch water treatment for high-mountain gorge areas tributary cheuch, belong to hydroelectric project structure field, its gear row structure comprises concrete checkdam and native stone checkdam; Also comprise pipe culvert and be arranged on the composite layer met water on slope towards ditch water channel side on native stone checkdam.By the water-retaining structure adopting concrete checkdam and native stone checkdam to combine, can save space with construction investment, short construction period, simplification difficulty of construction, simplify difficulty of construction, cost-saving; Composite layer is set simultaneously and ensure that the dash effect of native stone checkdam, protection against erosion effect and impermeable effect, and adopt gear of the present utility model to arrange structure, the gear row structure that concrete checkdam or concrete checkdam and native stone checkdam can be adopted to combine according to the non-flood period water level of ditch water channel and flood season level realizes ditch-water gear row effect.
Description
Technical field
The utility model relates to hydroelectric project structure field, particularly relates to a kind of gear row structure of carrying out ditch water treatment for high-mountain gorge areas tributary cheuch.
Background technology
When high-mountain gorge areas building Hydropower Project, tributary cheuch mostly is perennial flowing water and cutting is darker, because available construction plant, Jin Ba district is few, and in engineering construction, have a large amount of construction wastes to need to store up, also need to arrange all kinds of construction supporting facility and across ditch builder's road, therefore, often utilize the tributary cheuch near dam site as blocking ditch type Dumping Sites, construction supporting facility district or across ditch builder's road etc., nature need carry out ditch water treatment to cheuch.The mode of conventional ditch-water processing mode many employings checkdam+drainage tunnel, this kind of ditch-water processing mode, higher to massif Geological Condition Requirement, engineering quantity is comparatively large, construction investment is higher, difficulty of construction is larger, and the construction waste of ditch engineering of water treatment self need separately look for place to store up, the construction plant taken is comparatively large, construction period is longer.
Utility model content
The technical problem that the utility model solves is to provide that a kind of structure is simple, short construction period, save space and arrange structure with the gear for ditch water treatment of construction investment, easy construction.
The utility model solves the technical scheme that its technical problem adopts: for the gear row structure of ditch water treatment, comprise concrete checkdam and native stone checkdam, described concrete checkdam is arranged on the side towards ditch water channel below native stone checkdam; Also comprise pipe culvert, described pipe culvert is embedded in concrete checkdam and native stone checkdam, and one end of pipe culvert is communicated with ditch water channel through after concrete checkdam, and the other end is communicated with downstream river course; Native stone checkdam is provided with composite layer on the slope that meets water of ditch water channel side, and the lower end of described composite layer is connected with concrete checkdam.
Further: described composite layer is followed successively by slope concrete layer, composite earthwork rete, non-fine concrete layer, bedding material, Transition Materials from the outer to the inner.
Further: it is inner that the composite earthwork rete in described composite layer extend into concrete checkdam.
Further: described composite layer forms native stone checkdam top layer after the top bending of native stone checkdam.
Further: the tail end of pipe culvert is provided with concrete anchor block, described pipe culvert is communicated with downstream river course through after concrete anchor block.
Further: the bottom of described concrete checkdam embeds ground certain depth, and its top is higher than the non-flood period water level elevation 1 ~ 2m of ditch water channel; The top of described native stone checkdam is higher than the flood season level elevation 2 ~ 3m of ditch water channel.
Further: the top of concrete checkdam is provided with remove contamination platform and railing, the arrival end place be communicated with ditch water channel at pipe culvert is provided with trashrack.
Further: described pipe culvert is provided with gradient, and with ditch water channel the one end be communicated with is higher than the one end be communicated with downstream river course.
Further: the base of dam position, downstream of described native stone checkdam is provided with block stone water discharging body.
Further: between native base of dam position, stone checkdam downstream and downstream river course, form construction area by piling up backfill; Described pipe culvert is positioned at backfill.
The beneficial effects of the utility model are: by the water-retaining structure adopting concrete checkdam and native stone checkdam to combine, can save space and construction investment, short construction period, simplification difficulty of construction.Native stone checkdam also can adopt the accumulation of site operation waste to form simultaneously, simplifies difficulty of construction further, cost-saving.For ensureing dash effect and the protection against erosion effect of native stone checkdam, on it meets water slope, be provided with composite layer.In addition, by concrete checkdam, dash is carried out to the ditch-water in ditch water channel at non-flood period, jointly dash is carried out to the ditch-water in ditch water channel in flood season by concrete checkdam and native stone checkdam; Achieve the seasonal variety according to ditch-water and design, when meeting that water-retaining structure is normal, safe handling maximized simplification water-retaining structure, reduce construction investment.In addition, also can according to actual geographic situation, can for stacking the Dumping Sites of waste, supporting facility of constructing region or the construction area across ditch builder's road etc. by piling up that backfill formed between native base of dam position, stone checkdam downstream and downstream river course.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the gear for ditch water treatment described in the utility model row structure;
Fig. 2 is the enlarged diagram of regional area A in Fig. 1;
Be labeled as in figure: native stone checkdam 1, composite layer 2, slope concrete layer 21, composite earthwork rete 22, non-fine concrete layer 23, bedding material 24, Transition Materials 25, native stone checkdam top layer 3, concrete checkdam 4, trashrack 5, pipe culvert 6, railing 7, platform 8 of removing contamination, block stone water discharging body 9, backfill 10, concrete anchor block 11, ditch water channel 12, downstream river course 13.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
As shown in Figures 1 and 2, the row of the gear for ditch water treatment structure described in the utility model, comprise concrete checkdam 4 and native stone checkdam 1, described concrete checkdam 4 is arranged on the side towards ditch water channel 12 below native stone checkdam 1; Also comprise pipe culvert 6, described pipe culvert 6 is embedded in concrete checkdam 4 and native stone checkdam 1, and one end of pipe culvert 6 is communicated with ditch water channel 12 through after concrete checkdam 4, and the other end is communicated with downstream river course 13; Native stone checkdam 1 is provided with composite layer 2 on the slope that meets water of ditch water channel 12 side, and the lower end of described composite layer 2 is connected with concrete checkdam 4.
Wherein, concrete checkdam 4 is arranged on the side towards ditch water channel 12 below native stone checkdam 1, as shown in fig. 1.It is arranged on the toe place of the upstream of native stone checkdam 1, and its main cause considers the lower end of gear row structure concrete checkdam 4 being arranged ditch water channel 12, can bear larger hydraulic pressure; Further, the end portion of gear row structure is subject to current scour throughout the year usually, therefore adopts concrete structure can strengthen its antiscour effect; And concrete structure also can play pipe culvert 6 and install preferably and fixation, guarantees the steadiness of the row's of gear structural entity.Above concrete checkdam 4 and downstream part then adopt native stone checkdam 1, and native stone checkdam 1 directly can adopt waste stockpile to build and form, its main cause be consider native stone checkdam 1 itself bear in ditch water channel 1 hydraulic pressure lower, and its slope that meets water to be subject to the situation of current scour also less, therefore lower to the Structural strength calls of native stone checkdam 1; In addition, by adopting waste stockpile to build up native stone checkdam 1, it can be gathered materials on the spot, and easy construction, with low cost.Certainly, in order to ensure that the slope that meets water on native stone checkdam 1 can have strong water resistant stream scouring effect, have good impermeable effect, the utility model is also provided with one deck composite layer 2 meeting water on slope simultaneously.
Wherein the effect of composite layer 2 from the above mentioned, is mainly the anti-current scour strengthening the slope that meets water, plays impermeable effect simultaneously, as long as therefore can meet the above condensation material layer 2 required in theory.The composite layer 2 of the preferred a kind of following structure of the utility model, it is followed successively by slope concrete layer 21, composite earthwork rete 22, non-fine concrete layer 23, bedding material 24, Transition Materials 25 from the outer to the inner.Wherein slope concrete layer 21 is as top layer that is direct and water stream contacts, and lay by adopting concrete and form, its structural strength is higher, and antiscour effect is better.Composite earthwork rete 22 then has stronger impermeable effect, can prevent ditch-water from permeating buries in stone checkdam 1, generally built by waste stockpile due to native stone checkdam 1 and form, therefore once will easily cause it to occur dam break phenomenon after infiltrating ditch-water, cause security incident.And in order to the contact relation between reinforced composite layer 2 entirety and native stone checkdam 1, consider that its surfacing rear piled up by native stone checkdam uneven, and particle size differs, if therefore directly lay composite earthwork rete 22 and slope concrete layer 21, it is undesirable that it is connected effect, easily there is delamination, therefore between composite earthwork rete 22 and native stone checkdam 1, be also provided with non-fine concrete layer 23, bedding material 24 and Transition Materials 25 etc. further.Certainly, according to actual conditions, multilayer composite layer 2 can be set, or arrange in composite layer 2 and its certain material layer is arranged multilayer, as being provided with the composite earthwork rete 22 of multilayer in one deck composite layer 2.
In composite layer 2, the effect of composite earthwork rete 22 is mainly impermeable, consider that composite layer 2 often easily occurs gap when being connected with concrete checkdam 4, for this reason, it is inner that composite earthwork rete 22 can be extend into concrete checkdam 4 by the utility model further, avoids ditch-water to be penetrated in native stone checkdam 1 by above-mentioned gap.
In addition, for the top of native stone checkdam 1, also composite layer 2 can be formed native stone checkdam top layer 3 after the top bending of native stone checkdam 1.Further, for the composite layer 2 on native stone checkdam top layer 3, wherein composite earthwork rete 22 can not be set.
General, can be provided with concrete anchor block 11 at the tail end at pipe culvert 6, described pipe culvert 6 is communicated with downstream river course 13 through after concrete anchor block 11.Can play after the end of pipe culvert 6 arranges concrete anchor block 11 like this and limit preferably pipe culvert 6, concrete anchor block 11 also can avoid some loose ground to drop in downstream river course 13 simultaneously.
For improving the stability of concrete checkdam 4, usually the bottom of concrete checkdam 4 is embedded ground certain depth; Its top is then set to the non-flood period water level elevation 1 ~ 2m higher than ditch water channel 12, and the top of native stone checkdam 1 is then set to the flood season level elevation 2 ~ 3m higher than ditch water channel 12.The non-flood period water level of so-called ditch water channel 12 and flood season water water level, generally obtain according to the statistics of actual conditions and locality; The benefit of such setting is, during non-flood period in 1 year, and non-flood period general persistence is longer; Water in ditch water channel is responsible for gear by concrete checkdam 4 completely and is arranged, and can avoid washing away for a long time and exerting pressure for a long time native stone checkdam 1; And during flood season in 1 year, and flood season, general persistence was shorter, then and native stone checkdam 1 also can play corresponding gear row structure.By above-mentioned according to non-flood period and the segmentation situation in flood season, the structure that corresponding employing concrete checkdam 4 and concrete checkdam 4 and native stone checkdam 1 combine carries out the gear row of ditch-water, intensity, the structural requirement to native stone checkdam 1 can be reduced, and improve the stability of whole water-retaining structure run duration.
In addition, also the top of concrete checkdam 4 can be provided with remove contamination platform 8 and railing 7, the arrival end place be communicated with ditch water channel 12 at pipe culvert 6 is provided with trashrack 5.The effect of trashrack 5 is that preventing pollution thing enters in pipe culvert 6 and results in blockage, and remove contamination platform 8 and railing 7 then guarantee remove contamination convenient and safety.
For pipe culvert 6, its effect is that the ditch-water got in 12 drains in downstream river course 13 by ditch-water, therefore generally can be provided with gradient, or be provided with the structure that gradient section is connected with horizontal segment, and the one end be communicated with ditch water channel 12 is higher than the one end be communicated with downstream river course 13.Certainly, its angle of inclination size, caliber, length, maximum buried depth etc. should be comprehensively selected according to elevation computation result, practically matter orographic condition, dash dam body layout, highway location, position, slag field, flood discharge demand etc.In addition, generally speaking the import of pipe culvert 6 to be arranged on concrete checkdam 4 and a little more than cheuch the lowest point elevation bottom pipe culvert, certain alluvial storage capacity can be reserved like this.And by being provided with at concrete checkdam 4 top remove contamination platform 8 and railing 7, facilitate staff regularly to the cleaning of pipe culvert import, with anti-clogging.
In addition, the base of dam position, downstream of described native stone checkdam 1 is provided with block stone water discharging body 9, its effect is mainly the downstream dam slope stability improving native stone checkdam 1 further.
Further, after above-mentioned setting, only need can form construction area by piling up backfill 10 between native base of dam position, stone checkdam 1 downstream and downstream river course 13; Certainly, pipe culvert 6 is embedded in wherein by backfill 10.Backfill 10 directly can adopt waste, and now the actual Dumping Sites that serves as of construction area must act on, certainly, if need works area to be set to construction supporting facility district or across ditch builder's road etc., then only to need by carrying out respective handling to backfill 10.
In addition, adopt the gear discharge method that the above-mentioned row of the gear for ditch water treatment structure realizes, carry out dash at non-flood period by the ditch-water in concrete checkdam 4 pairs of ditch water channels 12, jointly dash is carried out to the ditch-water in ditch water channel 12 in flood season by concrete checkdam 4 and native stone checkdam 1; And described native stone checkdam 1 is piled up by construction waste and is formed, and forms construction area between native base of dam position, stone checkdam 1 downstream and downstream river course 13 by piling up backfill 10; Described pipe culvert 6 is positioned at backfill 10.It is in conjunction with the feature of ditch-water water level height when non-flood period and flood season, take the different situations according to non-flood period and flood season, the structure that corresponding employing concrete checkdam 4 and concrete checkdam 4 and native stone checkdam 1 combine carries out the gear row of ditch-water, can reduce intensity, the structural requirement to native stone checkdam 1.Simultaneously between native base of dam position, stone checkdam 1 downstream and downstream river course 13, construction area can be formed by piling up backfill 10, namely this construction area can be used as Dumping Sites, construct supporting facility district or across ditch builder's road etc.
Claims (10)
1. for the gear row structure of ditch water treatment, it is characterized in that: comprise concrete checkdam (4) and native stone checkdam (1), described concrete checkdam (4) is arranged on the side of native stone checkdam (1) below towards ditch water channel (12); Also comprise pipe culvert (6), described pipe culvert (6) is embedded in concrete checkdam (4) and native stone checkdam (1), and one end of pipe culvert (6) is communicated with ditch water channel (12) afterwards through concrete checkdam (4), and the other end is communicated with downstream river course (13); Native stone checkdam (1) is provided with composite layer (2) on the slope that meets water of ditch water channel (12) side, and the lower end of described composite layer (2) is connected with concrete checkdam (4).
2., as claimed in claim 1 for the gear row structure of ditch water treatment, it is characterized in that: described composite layer (2) is followed successively by slope concrete layer (21), composite earthwork rete (22), non-fine concrete layer (23), bedding material (24), Transition Materials (25) from the outer to the inner.
3., as claimed in claim 2 for the gear row structure of ditch water treatment, it is characterized in that: it is inner that the composite earthwork rete (22) in described composite layer (2) extend into concrete checkdam (4).
4., as claimed in claim 3 for the gear row structure of ditch water treatment, it is characterized in that: described composite layer (2) forms native stone checkdam top layer (3) after the top bending of native stone checkdam (1).
5. the row of the gear for the ditch water treatment structure according to any one of Claims 1-4, it is characterized in that: the tail end of pipe culvert (6) is provided with concrete anchor block (11), described pipe culvert (6) is communicated with downstream river course (13) afterwards through concrete anchor block (11).
6. the row of the gear for the ditch water treatment structure according to any one of Claims 1-4, it is characterized in that: the bottom of described concrete checkdam (4) embeds ground certain depth, and its top is higher than the non-flood period water level elevation 1 ~ 2m of ditch water channel (12); The top of described native stone checkdam (1) is higher than the flood season level elevation 2 ~ 3m of ditch water channel (12).
7. the row of the gear for the ditch water treatment structure according to any one of Claims 1-4, it is characterized in that: be provided with platform of removing contamination (8) and railing (7) on the top of concrete checkdam (4), the arrival end place be communicated with ditch water channel (12) at pipe culvert (6) is provided with trashrack (5).
8. the row of the gear for the ditch water treatment structure according to any one of Claims 1-4, it is characterized in that: described pipe culvert (6) is provided with gradient, and the one end be communicated with ditch water channel (12) is higher than the one end be communicated with downstream river course (13).
9. the row of the gear for the ditch water treatment structure according to any one of Claims 1-4, is characterized in that: the base of dam position, downstream of described native stone checkdam (1) is provided with block stone water discharging body (9).
10. the row of the gear for the ditch water treatment structure according to any one of Claims 1-4, is characterized in that: between native base of dam position, stone checkdam (1) downstream and downstream river course (13), be provided with backfill (10); Described pipe culvert (6) is positioned at backfill (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520210608.7U CN204551386U (en) | 2015-04-09 | 2015-04-09 | For the gear row structure of ditch water treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520210608.7U CN204551386U (en) | 2015-04-09 | 2015-04-09 | For the gear row structure of ditch water treatment |
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| CN204551386U true CN204551386U (en) | 2015-08-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695386A (en) * | 2015-04-09 | 2015-06-10 | 中国电建集团成都勘测设计研究院有限公司 | Blocking and discharge structure and method for ditch water treatment |
| CN111851425A (en) * | 2020-07-09 | 2020-10-30 | 王安 | Ecological retaining dam |
-
2015
- 2015-04-09 CN CN201520210608.7U patent/CN204551386U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695386A (en) * | 2015-04-09 | 2015-06-10 | 中国电建集团成都勘测设计研究院有限公司 | Blocking and discharge structure and method for ditch water treatment |
| CN111851425A (en) * | 2020-07-09 | 2020-10-30 | 王安 | Ecological retaining dam |
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