CN203393682U - Retaining dam for water resources and hydropower engineering - Google Patents
Retaining dam for water resources and hydropower engineering Download PDFInfo
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- CN203393682U CN203393682U CN201320492908.XU CN201320492908U CN203393682U CN 203393682 U CN203393682 U CN 203393682U CN 201320492908 U CN201320492908 U CN 201320492908U CN 203393682 U CN203393682 U CN 203393682U
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- checkdam
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- antiseep
- bedding material
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Abstract
The utility model discloses a retaining dam, in particular discloses a retaining dam for water resources and hydropower engineering, belongs to the technical field of building design and construction in the water resources and hydropower engineering, and provides a retaining dam which is simple in structure, convenient to construct and low in investment cost in the water resources and hydropower engineering. The retaining dam comprises a transition cushion layer material, a counter filter material layer and a rock ballast layer, and further comprises an antiseep core wall formed by geomembranes, wherein the antiseep core wall is positioned at the transverse middle part of the retaining dam, and extends along the longitudinal direction and vertical direction of the retaining dam respectively; and the transition cushion layer material, the counter filter material layer and the rock ballast layer are respectively and simultaneously arranged along the upstream direction and the downstream direction of the antiseep core wall in sequence.
Description
Technical field
The utility model relates to a kind of checkdam, especially relates to a kind of checkdam for Hydraulic and Hydro-Power Engineering, belongs to Hydraulic and Hydro-Power Engineering Building Design technical field of construction.
Background technology
At present in water power hydraulic engineering construction, while especially building water power hydraulic engineering in high mountain gorge area, it is very limited that scene can provide the construction plant of utilization.Therefore often utilize the coombe of Around or small rivers to arrange the various construction supporting facility such as Zha Chang, processing factory, campsite, so just need to take engineering treatment measures to coombe ditch-water.Ditch engineering of water treatment is comprised of checkdam and outlet structure escape works conventionally, and general scale is less.When if checkdam is arranged on the coombe with deep covering layer, for reducing the infiltration capacity of the checkdam dam foundation and improving its osmotic stability, to the antiseepage on checkdam basis, conventionally adopt vertical seepage control and/or horizontal leakage preventing to process.Concrete cut, grouted cut off wall etc. are processed as built to described vertical seepage control; Described horizontal leakage preventing is processed as is laid impervious blanket, and this impervious blanket is generally arranged in the outer upstream side of checkdam.The antiseepage mode working procedure of this routine is complicated, engineering quantity is large, long in time limit, and investment also can roll up.
Utility model content
Technical problem to be solved in the utility model is: a kind of simple in structure, easy construction, the checkdam for Hydraulic and Hydro-Power Engineering that cost of investment is cheap are provided.
For solving the problems of the technologies described above adopted technical scheme, be: a kind of checkdam for Hydraulic and Hydro-Power Engineering, comprise transition bedding material, the anti-filter bed of material and rock ballast layer, also comprise the antiseep core-wall being formed by geomembrane, described antiseep core-wall is positioned at the lateral middle of described checkdam, and respectively along the longitudinal of this checkdam and vertically extension; Described transition bedding material, the anti-filter bed of material and rock ballast layer are disposed in order along updrift side and the downstream direction of described antiseep core-wall respectively simultaneously.
Further, described geomembrane anti-seepage leaks core-wall indention on described checkdam vertical and extends.
Further, the outermost in described checkdam updrift side is also furnished with one deck dry stone pitching.
Be further, bottom at described checkdam is vertically also furnished with top bedding material and bottom bedding material downwards successively, described top bedding material and bottom bedding material are distinguished longitudinally and horizontal expansion in horizontal plane separately, between described top bedding material and bottom bedding material, be also furnished with horizontal leakage preventing and leak bedding layer, described horizontal leakage preventing leaks bedding layer and is connected with described antiseep core-wall, and distinguishes longitudinally and horizontal expansion in the horizontal plane of self.
Further, described horizontal leakage preventing leakage bedding layer is bedding layer in geomembrane anti-seepage leaks.
Further, the bottom surface of described bottom bedding material is connected with the covering of rivers layer that need to build described checkdam.
The beneficial effects of the utility model are: because the vertical seepage control drain process of the checkdam described in the application is replaced impervious wall and/or the grouted cut off wall of existing concrete structure by the antiseep core-wall of geomembrane structure, simultaneously, due to this structure employing is current existing moulding geo-membrane material, just can be arranged into very directly, easily the lateral middle of described checkdam, and then make its longitudinally and vertically extending and forming described antiseep core-wall along described checkdam.The checkdam of this structure both can make described vertical seepage control drain structure become very simple, again owing to not needing to carry out on-the-spot concrete pouring construction, only ready-made geomembrane need to be arranged into the relevant position of described checkdam, thereby also can make described constructing operation become very convenient, simultaneously, also owing to not needing to carry out on-the-spot concrete pouring construction, minimizing investment that can also be a large amount of, makes the cost of described checkdam become very cheap.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of checkdam for Hydraulic and Hydro-Power Engineering of the utility model.
In figure, be labeled as: transition bedding material 1, the anti-filter bed of material 2, rock ballast layer 3, antiseep core-wall 4, checkdam 5, dry stone pitching 6, top bedding material 7, bottom bedding material 8, horizontal leakage preventing leak bedding layer 9, covering of rivers layer 10.
The specific embodiment
A kind of simple in structure, the easy construction that provides of the utility model, the checkdam for Hydraulic and Hydro-Power Engineering that cost of investment is cheap as shown in Figure 1.Described checkdam comprises transition bedding material 1, the anti-filter bed of material 2 and rock ballast layer 3, also comprises the antiseep core-wall 4 consisting of geomembrane, and described antiseep core-wall 4 is positioned at the lateral middle of described checkdam 5, and respectively along the longitudinal of this checkdam 5 and vertically extension; Described transition bedding material 1, the anti-filter bed of material 2 and rock ballast layer 3 are disposed in order along updrift side and the downstream direction of described antiseep core-wall 4 respectively simultaneously.Because the vertical seepage control drain process of the checkdam 5 described in the application is replaced impervious wall and/or the grouted cut off wall of existing concrete structure by the antiseep core-wall 4 of geomembrane structure, simultaneously, due to this structure employing is current existing moulding geo-membrane material, just can be arranged into very directly, easily the lateral middle of described checkdam 5, and then make its longitudinally and vertically extending and forming described antiseep core-wall 4 along described checkdam 5.The checkdam 5 of this structure both can make described vertical seepage control drain structure become very simple, again owing to not needing to carry out on-the-spot concrete pouring construction, only ready-made geomembrane need to be arranged into the relevant position of described checkdam 5, thereby also can make described constructing operation become very convenient, simultaneously, also owing to not needing to carry out on-the-spot concrete pouring construction, minimizing investment that can also be a large amount of, makes the cost of described checkdam become very cheap.
In above-mentioned embodiment, for be arranged in described geomembrane anti-seepage in described checkdam 5 leak core-wall 4 more reliably, more firm, described geomembrane anti-seepage leaks core-wall 4 indention on described checkdam 5 vertical and extends.Meanwhile, in order to improve the protection against erosion ability of described checkdam 5 upstream side dam facings, in the outermost of described checkdam 5 updrift sides, be also furnished with one deck dry stone pitching 6.
In order further to reduce cost of investment, facilitate the construction of building of described checkdam, bottom at described checkdam 5 is vertically also furnished with top bedding material 7 and bottom bedding material 8 downwards successively, described top bedding material 7 and bottom bedding material 8 are distinguished longitudinally and horizontal expansion in horizontal plane separately, between described top bedding material 7 and bottom bedding material 8, be also furnished with horizontal leakage preventing and leak bedding layer 9, described horizontal leakage preventing leaks bedding layer 9 and is connected with described antiseep core-wall 4, and distinguishes longitudinally and horizontal expansion in the horizontal plane of self; Described horizontal leakage preventing leaks bedding layer 9 for bedding layer in geomembrane anti-seepage leakage.Adopt after the checkdam of above-mentioned structure, because described horizontal leakage preventing bedding layer had both adopted existing geomembrane, be arranged into again in the dam body of described checkdam 5, thereby make it not need to carry out on-the-spot pouring construction, and then reach and reduce to greatest extent cost of investment, the object of convenient construction.Certainly described horizontal leakage preventing leaks the present material that bedding layer 9 also can adopt other.But, no matter adopt the horizontal leakage preventing leakage bedding layer 9 that the material of which kind of structure is made directly the bottom surface of described bottom bedding material 8 to be connected with the covering of rivers layer 10 that need to build described checkdam 5, thereby saved the construction of checkdam basic unit.
In sum, adopt after the checkdam of structure described in the application, not only can effectively extend seepage paths, reduce checkdam dam body downstream infiltration capacity, improve osmotic stability, avoid the destructions such as downstream contact scour, all right a large amount of simplification working procedure, shorten the construction period, reduce the engineering quantity that adopts conventional vertical seepage control or the outer horizontal impervious blanket of dam body to increase, save construction investment.Certainly, the checkdam of described structure is equally also applicable to some other small-sized retaining works.
Claims (6)
1. the checkdam for Hydraulic and Hydro-Power Engineering, comprise transition bedding material (1), the anti-filter bed of material (2) and rock ballast layer (3), it is characterized in that: also comprise the antiseep core-wall (4) being formed by geomembrane, described antiseep core-wall (4) is positioned at the lateral middle of described checkdam (5), and respectively along the longitudinal of this checkdam (5) and vertically extension; Described transition bedding material (1), the anti-filter bed of material (2) and rock ballast layer (3) are disposed in order along updrift side and the downstream direction of described antiseep core-wall (4) respectively simultaneously.
2. a kind of checkdam for Hydraulic and Hydro-Power Engineering according to claim 1, is characterized in that: described geomembrane anti-seepage leaks core-wall (4) and extends at the vertical upper indention of described checkdam (5).
3. a kind of checkdam for Hydraulic and Hydro-Power Engineering according to claim 1 and 2, is characterized in that: the outermost in described checkdam (5) updrift side is also furnished with one deck dry stone pitching (6).
4. a kind of checkdam for Hydraulic and Hydro-Power Engineering according to claim 1, it is characterized in that: the bottom at described checkdam (5) is vertically also furnished with top bedding material (7) and bottom bedding material (8) downwards successively, described top bedding material (7) and bottom bedding material (8) are distinguished longitudinally and horizontal expansion in horizontal plane separately, between described top bedding material (7) and bottom bedding material (8), be also furnished with horizontal leakage preventing and leak bedding layer (9), described horizontal leakage preventing leaks bedding layer (9) and is connected with described antiseep core-wall (4), and distinguish longitudinally and horizontal expansion in the horizontal plane of self.
5. a kind of checkdam for Hydraulic and Hydro-Power Engineering according to claim 5, is characterized in that: described horizontal leakage preventing leaks bedding layer (9) for bedding layer in geomembrane anti-seepage leakage.
6. according to a kind of checkdam for Hydraulic and Hydro-Power Engineering described in claim 4 or 5, it is characterized in that: the bottom surface of described bottom bedding material (8) is connected with the covering of rivers layer (10) that need to build described checkdam (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492908.XU CN203393682U (en) | 2013-08-13 | 2013-08-13 | Retaining dam for water resources and hydropower engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492908.XU CN203393682U (en) | 2013-08-13 | 2013-08-13 | Retaining dam for water resources and hydropower engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203393682U true CN203393682U (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320492908.XU Expired - Lifetime CN203393682U (en) | 2013-08-13 | 2013-08-13 | Retaining dam for water resources and hydropower engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203393682U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410123A (en) * | 2013-08-13 | 2013-11-27 | 中国水电顾问集团成都勘测设计研究院 | Retaining dam for hydraulic and hydro-power engineering |
| CN105297683A (en) * | 2015-10-13 | 2016-02-03 | 浙江水利水电学院 | Geomembrane core wall hilly pond earth-rock dam and construction method thereof |
| CN105297783A (en) * | 2015-10-22 | 2016-02-03 | 昆明理工大学 | Detectable multi-material joint anti-seepage system |
| CN106368177A (en) * | 2016-11-11 | 2017-02-01 | 中国电建集团成都勘测设计研究院有限公司 | Composite high earth-rock dam |
-
2013
- 2013-08-13 CN CN201320492908.XU patent/CN203393682U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410123A (en) * | 2013-08-13 | 2013-11-27 | 中国水电顾问集团成都勘测设计研究院 | Retaining dam for hydraulic and hydro-power engineering |
| CN103410123B (en) * | 2013-08-13 | 2016-03-02 | 中国电建集团成都勘测设计研究院有限公司 | A kind of checkdam for Hydraulic and Hydro-Power Engineering |
| CN105297683A (en) * | 2015-10-13 | 2016-02-03 | 浙江水利水电学院 | Geomembrane core wall hilly pond earth-rock dam and construction method thereof |
| CN105297783A (en) * | 2015-10-22 | 2016-02-03 | 昆明理工大学 | Detectable multi-material joint anti-seepage system |
| CN105297783B (en) * | 2015-10-22 | 2017-03-08 | 昆明理工大学 | One kind can monitor many material joint seepage prevention systems |
| CN106368177A (en) * | 2016-11-11 | 2017-02-01 | 中国电建集团成都勘测设计研究院有限公司 | Composite high earth-rock dam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA POWER GROUP CHENGDU INVESTIGATION DESIGN + R Free format text: FORMER NAME: CHENGDU HYDROELECTRIC INVESTIGATION + DESIGN INSTITUTE OF SPC |
|
| CP01 | Change in the name or title of a patent holder |
Address after: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee after: POWERCHINA Chengdu Engineering Co.,Ltd. Address before: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Patentee before: HYDROCHINA CHENGDU ENGINEERING Corp. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |
|
| CX01 | Expiry of patent term |