CN205475261U - Ash dam structure of power plant - Google Patents
Ash dam structure of power plant Download PDFInfo
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- CN205475261U CN205475261U CN201620273709.3U CN201620273709U CN205475261U CN 205475261 U CN205475261 U CN 205475261U CN 201620273709 U CN201620273709 U CN 201620273709U CN 205475261 U CN205475261 U CN 205475261U
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Abstract
The utility model relates to an ash dam structure of power plant, including interconnect's initial stage dam and side slope, initial stage dam one side is the dam bottom escape canal in addition, and formation is upwards piled up by geotechnique's bag successive layer to initial stage dam main part, and it has the sand gravel to fill between geotechnique's bag, the domatic geotechnique's bag dam bank protection of accumulational initial stage that sets up in initial stage dam main part both sides, and the upper surface on initial stage dam sets up the concrete road surface layer, the coarse sand underlayer is laid to the side slope bottom, prevent bed course on osmosis membrane layer and the coarse sand, upwards be provided with and roll grey slag blanket, the coarse sand underlayer, prevent the osmosis membrane layer, the side slope bank protection of bed course and geotechnique's bag on the coarse sand, this ash dam structure, local obtainment of raw materials, sand or lime -ash are used for the dam body main part to build by laying bricks or stones in bags with the geotechnique, with the geotechnique in bags planting soil be used for forming the bank protection, can reduce the reliance to native stone material material, and save the workload that the layering rolled, the bank protection can the grass planting, has the effect of beautifying and preventing soil erosion and water loss.
Description
Technical field
This utility model relates to the grey field dam structure of thermal power plant.
Background technology
Thermal power plant can produce a large amount of lime-ash in production run, is therefore configured with the grey field for storing lime-ash.Ash field includes the dam structure at edge, and the inner space that dam structure surrounds is i.e. the space of storage lime-ash.Building a dam mode, such as homogenizing rolled earth dam, rolled rockfill dam in traditional grey field, being required for power plant's periphery has cheap dam material, buys dam material the most on a large scale, or long-distance transportation soil stone all can dramatically increase cost of building a dam.
Utility model content
Technical problem to be solved in the utility model is: provides a kind of ash field dam structure, can gather materials on the spot, advantageously reduce cost of building a dam.
This utility model solves its technical problem and be the technical scheme is that
nullWaste ash pond dam structure，Roll on soil layer or original state soil layer including being arranged on，And interconnective initial dam and side slope，Initial dam is positioned at dam body lower slope side and is additionally provided with base of dam gutter，Described initial dam includes initial dam main body，The structure of initial dam main body is: the most upwards being piled up Formation cross-section by the first soil engineering bag is trapezoidal soil engineering bag heap，It is filled with sand gravel between adjacent first soil engineering bag，Described soil engineering bag heap is equipped with water permeable membrane layer near the domatic of side, base of dam gutter，It is provided with on described water permeable membrane layer and is piled up, by the second soil engineering bag, the initial dam bank protection formed，Described soil engineering bag heap is equipped with antiseepage film layer near the domatic of side slope side，Described initial dam bank protection it is also equipped with on described antiseepage film layer，The upper surface of described initial dam，Set up coarse sand underlayer successively、Antiseepage film layer、Bed course and concrete pavement layer on coarse sand；
Bottom described base of dam gutter and side is all equipped with geomembrane, the first soil engineering bag it is provided with in base of dam gutter, the coarse sand underlayer of laying is sequentially consisted of bottom described side slope, bed course on antiseepage film layer and coarse sand, on coarse sand bottom side slope, bed course and described soil engineering bag heap are between the initial dam bank protection of side slope side, it is provided with and rolls ash bed, the described ash bed upper surface that rolls is the upper surface that domatic and domatic lower leads to described initial dam, roll the domatic of ash bed upper surface and be the most upwards equipped with coarse sand underlayer, antiseepage film layer, on coarse sand, bed course and the 3rd soil engineering bag lay the side slope protection formed, it is filled with sand in described first soil engineering bag, it is filled with planting soil in second soil engineering bag, it is filled with lime-ash in 3rd soil engineering bag.
Further, the domatic of described side slope is additionally provided with Shang Ba highway, described Shang Ba highway includes being laid on that roll on ash bed and layout from bottom to up Telford base and clay bound macadam, Shang Ba highway is positioned at the side of side slope eminence and is provided with slope drainage ditch, the bottom of described slope drainage ditch and side are all equipped with geomembrane, are provided with described 3rd soil engineering bag in slope drainage ditch.
Further, roll described on the antiseepage film layer of ash bed upper surface along being fixed in Shang Ba highway.
Further, described second soil engineering bag is the geotechnical fabric bag equipped with planting soil, and described 3rd soil engineering bag is the geotechnical fabric bag equipped with lime-ash, and described water permeable membrane layer is the non-woven fabrics laid, and described antiseepage film layer is the density polyethylene film with high laid.
The beneficial effects of the utility model are: this ash field dam structure, can gather materials on the spot, build by laying bricks or stones for dam body main body with soil engineering bag sand loading or lime-ash, it is used for forming bank protection with geotechnological packed planting soil, the dependence to earth rock material can be reduced, and saving the workload of layered rolling, bank protection can have, with grass planting, the effect beautified and prevent erosion.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of ash field of the present utility model dam structure；
Fig. 2 is the schematic diagram of initial dam in Fig. 1；
Fig. 3 is the schematic diagram of side slope in Fig. 1；
In figure, reference is: bed course 22 on initial dam 1, sand gravel 12, concrete pavement layer 16, water permeable membrane layer 17, antiseepage film layer 18, side slope 2, coarse sand underlayer 21, coarse sand, roll ash bed 23, Shang Ba highway 3, Telford base 31, clay bound macadam 32, base of dam gutter 41, slope drainage ditch the 42, first soil engineering bag the 51, second soil engineering bag the 52, the 3rd soil engineering bag 53.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings:
nullWaste ash pond dam structure，Roll on soil layer or original state soil layer including being arranged on，And interconnective initial dam 1 and side slope 2，Initial dam 1 is positioned at dam body lower slope side and is additionally provided with base of dam gutter 41，Described initial dam 1 includes initial dam main body，The structure of initial dam main body is: the most upwards being piled up Formation cross-section by the first soil engineering bag 51 is trapezoidal soil engineering bag heap，It is filled with sand gravel 12 between adjacent first soil engineering bag 51，Described soil engineering bag heap is equipped with water permeable membrane layer 17 near the domatic of side, base of dam gutter 41，It is provided with on described water permeable membrane layer 17 and is piled up, by the second soil engineering bag 52, the initial dam bank protection formed，Described soil engineering bag heap is equipped with antiseepage film layer 18 near the domatic of side slope 2 side，Described initial dam bank protection it is also equipped with on described antiseepage film layer 18，The upper surface of described initial dam 1，Set up coarse sand underlayer 21 successively、Antiseepage film layer 18、Bed course 22 and concrete pavement layer 16 on coarse sand；
nullBottom described base of dam gutter 41 and side is all equipped with geomembrane，The first soil engineering bag 51 it is provided with in base of dam gutter 41，The coarse sand underlayer 21 of laying is sequentially consisted of bottom described side slope 2、Bed course 22 on antiseepage film layer 18 and coarse sand，On coarse sand bottom side slope 2, bed course 22 and described soil engineering bag heap are between the initial dam bank protection of side slope 2 side，It is provided with and rolls ash bed 23，Described ash bed 23 upper surface that rolls is the upper surface that domatic and domatic lower leads to described initial dam 1，Roll the domatic of ash bed 23 upper surface and be the most upwards equipped with coarse sand underlayer 21、Antiseepage film layer 18、On coarse sand, bed course 22 and the 3rd soil engineering bag 53 lay the side slope protection formed，It is filled with sand in described first soil engineering bag 51，It is filled with planting soil in second soil engineering bag 52，It is filled with lime-ash in 3rd soil engineering bag 53.
As shown in Figure 1: this waste ash pond dam structure, being made up of initial dam 1 and side slope 2, the position of the domatic downside of whole dam body arranges base of dam gutter 41, for dam body slope drainage.
Initial dam 1 is internal is initial dam main body, initial dam main body is that the most upwards piled up Formation cross-section by the first soil engineering bag 51 be trapezoidal soil engineering bag heap, at the initial dam bank protection that the domatic setting at trapezoidal two waist places is paved into by the second soil engineering bag 52, trapezoidal top margin place plane arranges concrete pavement layer 16.
Concrete, as shown in Figure 2, it is filled with sand gravel 12 between each first soil engineering bag 51 of initial dam main body, it is i.e. all to be filled with sand gravel 12 between the first neighbouring soil engineering bag 51 with between adjacent the first soil engineering bag 51 in layer left and right, the shear resistance between soil engineering bag can be increased, strengthen initial dam 1 stability in the large, sand loading in the first soil engineering bag 51.
Initial dam main body, near the domatic water permeable membrane layer 17 that is equipped with of side, base of dam gutter 41, is i.e. to arrange water permeable membrane layer 17, the second built-in planting soil of soil engineering bag 52 between this side initial dam main body and second soil engineering bag 52, makes this side bank protection can be with growing plant.
Soil engineering bag heap then lays antiseepage film layer 18 near the domatic of side slope 2 side, antiseepage film layer 18 is also provided with the second soil engineering bag 52 and forms initial dam bank protection.
Position between concrete pavement layer 16 and the initial dam main body of the upper surface of initial dam 1 has set up bed course 22 on coarse sand underlayer 21, antiseepage film layer 18 and coarse sand successively, is used for supporting road surface, top.
Bottom base of dam gutter 41 and side is all laid geomembrane and is prevented permeable, arranges the first soil engineering bag 51 and pushed down by the geomembrane of bottom and side in base of dam gutter 41.
As shown in Figure 1, 2, bed course 22 on coarse sand underlayer 21, antiseepage film layer 18 and the coarse sand laid the most successively bottom side slope 2, prevent permeable, top is arranged again rolls ash bed 23, roll ash bed 23 upper surface to be arranged to domatic and domatic lower and lead to the upper surface of initial dam 1, make dam body inclined-plane can take advantage of a situation downward draining.
Roll the inclined surface on ash bed 23 top the most upwards to lay bed course 22 on coarse sand underlayer 21, antiseepage film layer 18, coarse sand and prevent permeable, the side slope protection formed is laid on top again with the 3rd soil engineering bag 53, fill lime-ash in 3rd soil engineering bag 53, make the side slope protection top layer can also growing plant.
Dam structure of the present utility model, being filled primarily with material is sand and lime-ash, and bi-material can be gathered materials on the spot, and reduces long distance transportation, and the 3rd soil engineering bag 53 of side slope protection directly can roll pack of drawing materials on ash bed 23, saves manpower, reduces operating cost.On initial dam bank protection and side slope protection, growing plants can conserve water and soil, and beautifies the environment.
The domatic of described side slope 2 is additionally provided with Shang Ba highway 3, described Shang Ba highway 3 includes being laid on that roll on ash bed 23 and layout from bottom to up Telford base 31 and clay bound macadam 32, Shang Ba highway 3 is positioned at the side of side slope 2 eminence and is provided with slope drainage ditch 42, the bottom of described slope drainage ditch 42 and side are all equipped with geomembrane, are provided with described 3rd soil engineering bag 53 in slope drainage ditch 42.
Pass through in side slope 2 for ease of personnel, in side slope 2, Shang Ba highway 3 is set along dam body bearing of trend, it is i.e. that one section of flat site is set rolling ash bed 23 upper inclined surface, and the most upwards lays Telford base 31 and clay bound macadam 32 forms Shang Ba highway 3 at flat site.
Shang Ba highway 3 is positioned at the side of side slope 2 eminence and arranges slope drainage ditch 42, it is simple to slope drainage.
Slope drainage ditch 42 is all equipped with geomembrane in bottom and side as base of dam gutter 41 and prevents permeable, arranges the 3rd soil engineering bag 53 and push down geomembrane in slope drainage ditch 42, is i.e. directly to take lime-ash pack and make the 3rd soil engineering bag 53 rolling ash bed 23.
For strengthening rolling antiseepage film layer 18 steadiness of ash bed 23 upper surface, can be preferably as it is shown on figure 3, by rolling on the antiseepage film layer 18 of ash bed 23 upper surface along being fixed in Shang Ba highway 3, be such as connected in the clay bound macadam 32 of Shang Ba highway 3.
In addition, for initial dam bank protection and the soil engineering bag of side slope protection, can be preferably to use geotechnical fabric bag, be i.e. the second soil engineering bag 52 be the geotechnical fabric bag equipped with planting soil, the 3rd soil engineering bag 53 is the geotechnical fabric bag equipped with lime-ash, use geotechnical fabric bag lay, the workload piling up soil engineering bag can be reduced, increasing bank protection stability in the large, water permeable membrane layer 17 can be preferably the non-woven fabrics laid, and antiseepage film layer 18 can be preferably the density polyethylene film with high for laying.
Claims (4)
1. waste ash pond dam structure, rolls on soil layer or original state soil layer including being arranged on, and interconnective initial dam (1)
With side slope (2), initial dam (1) is positioned at dam body lower slope side and is additionally provided with base of dam gutter (41), it is characterised in that
Described initial dam (1) includes that initial dam main body, the structure of initial dam main body are: the most upwards piled up by the first soil engineering bag (51)
Formation cross-section is trapezoidal soil engineering bag heap, is filled with sand gravel (12), described soil engineering bag heap between adjacent first soil engineering bag (51)
Near the domatic water permeable membrane layer (17) that is equipped with of base of dam gutter (41) side, described water permeable membrane layer (17) is provided with by the
Two soil engineering bags (52) pile up the initial dam bank protection formed, and described soil engineering bag heap is equipped with antiseepage near the domatic of side slope (2) side
Film layer (18), described antiseepage film layer (18) is also equipped with described initial dam bank protection, the upper surface of described initial dam (1),
Bed course (22) and concrete pavement layer (16) on coarse sand underlayer (21), antiseepage film layer (18), coarse sand are set up successively；
Described base of dam gutter (41) bottom and side are all equipped with geomembrane, are provided with the first soil in base of dam gutter (41)
Work bag (51), described side slope (2) bottom sequentially consist of the coarse sand underlayer (21) of laying, antiseepage film layer (18) and
Bed course (22) on coarse sand, on the coarse sand of side slope (2) bottom, bed course (22) and described soil engineering bag heap are near side slope (2) side
Initial dam bank protection between, be provided with and roll ash bed (23), described in roll ash bed (23) upper surface be domatic and domatic low
The upper surface of described initial dam (1) is led at place, rolls the domatic of ash bed (23) upper surface and is the most upwards equipped with coarse sand underlay
On layer (21), antiseepage film layer (18), coarse sand, bed course (22) and the 3rd soil engineering bag (53) lay the side slope protection formed, institute
Being filled with sand in stating the first soil engineering bag (51), the second soil engineering bag is filled with planting soil in (52), in the 3rd soil engineering bag (53)
It is filled with lime-ash.
2. waste ash pond dam structure as claimed in claim 1, it is characterised in that domatic the also setting up of described side slope (2)
You Shangba highway (3), described Shang Ba highway (3) includes being laid on that roll on ash bed (23) and layout from bottom to up block
Ground mass layer (31) and clay bound macadam (32), Shang Ba highway (3) is positioned at the side of side slope (2) eminence and is provided with side slope row
Ditch (42), the bottom of described slope drainage ditch (42) and side are all equipped with geomembrane, arrange in slope drainage ditch (42)
There is described 3rd soil engineering bag (53).
3. waste ash pond dam structure as claimed in claim 2, it is characterised in that described in roll ash bed (23) upper surface
Antiseepage film layer (18) upper along being fixed in Shang Ba highway (3).
4. waste ash pond dam structure as claimed in claim 1, it is characterised in that described second soil engineering bag (52) be equipped with
The geotechnical fabric bag of planting soil, described 3rd soil engineering bag (53) is the geotechnical fabric bag equipped with lime-ash, and described water permeable membrane layer (17) is
The non-woven fabrics laid, described antiseepage film layer (18) is the density polyethylene film with high laid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620273709.3U CN205475261U (en) | 2016-04-01 | 2016-04-01 | Ash dam structure of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620273709.3U CN205475261U (en) | 2016-04-01 | 2016-04-01 | Ash dam structure of power plant |
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| Publication Number | Publication Date |
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| CN205475261U true CN205475261U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620273709.3U Active CN205475261U (en) | 2016-04-01 | 2016-04-01 | Ash dam structure of power plant |
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| CN (1) | CN205475261U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284205A (en) * | 2016-08-30 | 2017-01-04 | 北京矿冶研究总院 | Method for building dam by hydraulic flushing of tailings of mold bag edge stems |
| CN109644781A (en) * | 2019-01-11 | 2019-04-19 | 谢天宇 | A kind of ecological recovery method and its ecological flyash stack yard of flyash stack yard |
| CN113863335A (en) * | 2021-09-23 | 2021-12-31 | 宁夏大学 | Method for treating quicksand stratum drainage channel slope collapse and purifying and recycling drainage water |
-
2016
- 2016-04-01 CN CN201620273709.3U patent/CN205475261U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284205A (en) * | 2016-08-30 | 2017-01-04 | 北京矿冶研究总院 | Method for building dam by hydraulic flushing of tailings of mold bag edge stems |
| CN109644781A (en) * | 2019-01-11 | 2019-04-19 | 谢天宇 | A kind of ecological recovery method and its ecological flyash stack yard of flyash stack yard |
| CN113863335A (en) * | 2021-09-23 | 2021-12-31 | 宁夏大学 | Method for treating quicksand stratum drainage channel slope collapse and purifying and recycling drainage water |
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