CN104110012A - Low-permeability rock-fill material concrete panel rock-fill dam - Google Patents
Low-permeability rock-fill material concrete panel rock-fill dam Download PDFInfo
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- CN104110012A CN104110012A CN201410361868.4A CN201410361868A CN104110012A CN 104110012 A CN104110012 A CN 104110012A CN 201410361868 A CN201410361868 A CN 201410361868A CN 104110012 A CN104110012 A CN 104110012A
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Abstract
The invention provides a low-permeability rock-fill material concrete panel rock-fill dam. The low-permeability rock-fill material concrete panel rock-fill dam comprises a concrete panel, a cushion area, a transition area, an upstream main rock-fill area and a downstream secondary rock-fill area which are formed in sequence from upstream to downstream; an L-shaped draining area is formed between the downstream side of the transition area and the upstream side of the upstream main rock-fill dam area; the horizontal portion of the draining area transversely passes through the bottoms of the upstream main rock-fill area and the downstream secondary rock-fill area; the upstream main rock-fill area and the downstream main rock-fill area are horizontally partitioned into an upper portion and a lower portion; a reverse filtering area I is formed between the downstream side of the transition area and the vertical portion of the draining area; a reverse filtering area II is formed between the horizontal portions of the upstream main rock-fill area as well as the draining area and the horizontal portions of the downstream secondary rock-fill area and the draining area. The reverse filtering area I, the reverse filtering area II and the draining area are formed on the basis of the conventional concrete panel rock-fill damp structure, thereby improving the permeating stability and the safety of a dam body. A rock-fill material is taken from local resources, thereby reducing the engineering building cost, and facilitating construction.
Description
Technical field
The invention belongs to hydraulic engineering technical field, be specifically related to a kind of hypotonicity stockpile Concrete Face Rockfill Dam.
Background technology
At present, rock is Concrete Face Rockfill Dam substantially, and because it has the advantages that cost is low, the duration is short, Concrete Face Rockfill Dam has obtained vigorous growth.As shown in Figure 1, Concrete Face Rockfill Dam is mainly made up of rockfill and seepage control system, that is: concrete slab, toe board, bed course district, transition region, main rockfill area, upstream, downstream time rockfill area composition.
In the design and construction of Concrete Face Rockfill Dam, the osmotic stability of dam body is an important Consideration, the safety of face dam and hinge etc., and none is not closely related therewith, so dam body, under infiltration flow action, seepage deformation should not occur.In Concrete Face Rockfill Dam, hypotonicity stockpile is that transmission coefficient is less than 10
-2cm/s and be greater than 10
-4the stockpile of cm/s, its transmission coefficient is lower, fine particle content is high, cause the osmotic stability of stockpile poor, permission gradient is low, cause dam seepage line high, affect analysis of seepage flow stability and the safety of dam body, and Concrete Face Rockfill Dam is carried out to seepage deformation, the guarantee dam body seepage stability that can control dam body in rational structural division.
Summary of the invention
The stockpile transmission coefficient that the object of the invention is to overcome Concrete Face Rockfill Dam in prior art is compared with low and affect the problem of dam body seepage stability safety.
For this reason, the invention provides a kind of hypotonicity stockpile Concrete Face Rockfill Dam, comprise the concrete slab setting gradually to downstream from upstream, bed course district, transition region, main rockfill area, upstream and downstream time rockfill area, between the upstream side of the main rockfill area in the downstream of described transition region and upstream, be provided with L-shaped catchment, the horizontal component of described catchment crosses the bottom of main rockfill area, upstream and time rockfill area, downstream, and main upstream rockfill area and downstream time rockfill area level are divided into upper and lower two parts, the downstream of described transition region and the vertical portion of catchment are provided with filtration area one between dividing, between the horizontal component of main rockfill area, described upstream and catchment and downstream time rockfill area and the horizontal component of catchment, be provided with filtration area two.
The slope of above-mentioned concrete slab, bed course district, transition region and filtration area one, than identical, is 1:m, and the span of m is 1.3～1.6.
The subregion gradient between the main rockfill area of the vertical part of above-mentioned catchment and upstream is 1:s, and the span of s is 1.4～1.7.
The horizontal component of above-mentioned catchment is arranged between downstream peak level and lowest water level.
The subregion gradient of main rockfill area, above-mentioned upstream and downstream time rockfill area is 1:t, and the span of t is 0～1.35.
The rockfill materials of above-mentioned bed course district, transition region, main rockfill area, upstream and downstream time rockfill area is built-up area excavated material, stock ground piece building stones and stock ground sand gravel material.
The rockfill materials of above-mentioned filtration area one, filtration area two and catchment adopts stock ground piece building stones and stock ground sand gravel material to process.
Beneficial effect of the present invention: this hypotonicity stockpile Concrete Face Rockfill Dam provided by the invention is on the basis of conventional Concrete Face Rockfill Dam structural division, filtration area one, filtration area two and catchment are set up, improve the osmotic stability of dam body, guaranteed safety of dam body; Simultaneously, rockfill materials used in the present invention can be gathered materials on the spot, reduce engineering-built cost, and be easy to construct, greatly degree utilize dam on the excavated material of Dam Site, reduce the requirement to stockpile permeability aspect, just can go up dam utilization as long as the engineering propertiess such as excavated material intensity, distortion meet the demands.
Below with reference to accompanying drawing, the present invention is described in further details.
Brief description of the drawings
Fig. 1 is the structural division schematic diagram of existing concrete rock;
Fig. 2 is the structural division schematic diagram of Concrete Face Rockfill Dam of the present invention.
Description of reference numerals: 1, concrete slab; 2, bed course district; 3, transition region; 4, main rockfill area, upstream; 5, time rockfill area, downstream; 6, catchment; 7, filtration area one; 8, filtration area two.
Detailed description of the invention
Embodiment 1:
In order to overcome the stockpile transmission coefficient of Concrete Face Rockfill Dam in prior art compared with low and affect the problem of dam body seepage stability safety, the present embodiment provides a kind of hypotonicity stockpile Concrete Face Rockfill Dam as shown in Figure 2, comprise the concrete slab 1 setting gradually to downstream from upstream, bed course district 2, transition region 3, main rockfill area 4, upstream and downstream time rockfill area 5, between the upstream side of the main rockfill area 4 in the downstream of described transition region 3 and upstream, be provided with L-shaped catchment 6, the horizontal component of described catchment 6 crosses the bottom of main rockfill area 4, upstream and time rockfill area 5, downstream, and main upstream rockfill area 4 and downstream time rockfill area 5 levels are divided into upper and lower two parts, the vertical portion of the downstream of described transition region 3 and catchment 6 is provided with filtration area 1 between dividing, between the horizontal component of main rockfill area 4, described upstream and catchment 6 and downstream time rockfill area 5 and the horizontal component of catchment 6, be provided with filtration area 28.
This hypotonicity stockpile Concrete Face Rockfill Dam that this invention provides is on the basis of conventional Concrete Face Rockfill Dam structural division, filtration area 1, filtration area 28 and catchment 6 are set up, reduce dam seepage line, reduce the inner infiltration gradient of dam body rockfill materials (main rockfill area 4, upstream and downstream time rockfill area 5), improve the osmotic stability of dam body, guaranteed safety of dam body.
Embodiment 2:
On the basis of embodiment 1, to determine according to engineering is actual, the slope of described concrete slab 1, bed course district 2, transition region 3 and filtration area 1, than identical, is 1:m, and the span of m is 1.3～1.6; The subregion gradient between the main rockfill area 4 in the vertical part of described catchment 6 and upstream is 1:s, and the span of s is 1.4～1.7; The horizontal component of described catchment 6 is arranged between downstream peak level and lowest water level; The subregion gradient of main rockfill area 4, described upstream and downstream time rockfill area 5 is 1:t, and the span of t is 0～1.35, actual definite according to engineering, generally gets 0.2; The requirement of choosing necessary " Concrete Face Rockfill Dam design specifications " (DL/T5016-2011, the SL228-98) of meeting of above-mentioned parameter.
The concrete slab 1 of the present embodiment is as leakage preventing structure, and its structure and water-stopping structure thereof and material are selected according to the requirement of conventional rock.
And the rockfill materials of described bed course district 2, transition region 3, main rockfill area 4, upstream and downstream time rockfill area 5 is built-up area excavated material, stock ground piece building stones and stock ground sand gravel material; The selection of rockfill materials must meet the related request of " Concrete Face Rockfill Dam design specifications " (DL/T5016-2011, SL228-98); The rockfill materials of above-mentioned bed course district 2, transition region 3, main rockfill area 4, upstream and downstream time rockfill area 5 makes full use of the excavated material of building, reduce the area of rejected material and slag field, reduce the impact of dam construction on environment, reduce construction costs, the economic indicator that improves dam body and hinge, has good economy, society and environmental ecological benefit.
The rockfill materials of described filtration area 1, filtration area 28 and catchment 6 adopts stock ground piece building stones and stock ground sand gravel material to process, and selects as far as possible the material that in above-mentioned material, construction is simple, cost is low.The setting of filtration area 1, filtration area 28 and catchment 6, has reduced dam seepage line, reduces the infiltration gradient of dam body rockfill materials inside, makes hypotonicity stockpile concrete face rockfill dam technical feasibility, economic security also by people are accepted.
The dam structure of above-mentioned bed course district 2, transition region 3, main rockfill area 4, upstream, time rockfill area 5, downstream, filtration area 1, filtration area 28 and catchment 6, must check dam body settlement, distortion, stress and panel deflection and stress, all side seams, vertical lap seam displacement etc., meet the regulation of " Concrete Face Rockfill Dam design specifications " (DL/T5016-2011, SL228-98); Must check the osmotic stability in the above-mentioned each district of dam body.
More than exemplifying is only to illustrate of the present invention, does not form the restriction to protection scope of the present invention, within the every and same or analogous design of the present invention all belongs to protection scope of the present invention.
Claims (7)
1. a hypotonicity stockpile Concrete Face Rockfill Dam, comprise the concrete slab (1) setting gradually to downstream from upstream, bed course district (2), transition region (3), main rockfill area, upstream (4) and downstream time rockfill area (5), it is characterized in that: between the upstream side of the main rockfill area in the downstream of described transition region (3) and upstream (4), be provided with L-shaped catchment (6), the horizontal component of described catchment (6) crosses the bottom of main rockfill area, upstream (4) and time rockfill area (5), downstream, and main upstream rockfill area (4) and downstream time rockfill area (5) level are divided into upper and lower two parts, the vertical portion of the downstream of described transition region (3) and catchment (6) is provided with filtration area one (7) between dividing, between the horizontal component of main rockfill area, described upstream (4) and catchment (6) and downstream time rockfill area (5) and the horizontal component of catchment (6), be provided with filtration area two (8).
2. hypotonicity stockpile Concrete Face Rockfill Dam as claimed in claim 1, it is characterized in that: the slope of described concrete slab (1), bed course district (2), transition region (3) and filtration area one (7) is than identical, be 1:m, and the span of m is 1.3～1.6.
3. hypotonicity stockpile Concrete Face Rockfill Dam as claimed in claim 1, it is characterized in that: the subregion gradient between the main rockfill area of the vertical part of described catchment (6) and upstream (4) is 1:s, and the span of s is 1.4～1.7.
4. hypotonicity stockpile Concrete Face Rockfill Dam as claimed in claim 1, is characterized in that: the horizontal component of described catchment (6) is arranged between downstream peak level and lowest water level.
5. hypotonicity stockpile Concrete Face Rockfill Dam as claimed in claim 1, is characterized in that: the subregion gradient of main rockfill area, described upstream (4) and downstream time rockfill area (5) is 1:t, and the span of t is 0～1.35.
6. hypotonicity stockpile Concrete Face Rockfill Dam as claimed in claim 1, is characterized in that: the rockfill materials of described bed course district (2), transition region (3), main rockfill area, upstream (4) and downstream time rockfill area (5) is built-up area excavated material, stock ground piece building stones and stock ground sand gravel material.
7. hypotonicity stockpile Concrete Face Rockfill Dam as claimed in claim 1, is characterized in that: the rockfill materials of described filtration area one (7), filtration area two (8) and catchment (6) adopts stock ground piece building stones and stock ground sand gravel material to process.
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| CN201410361868.4A CN104110012A (en) | 2014-07-28 | 2014-07-28 | Low-permeability rock-fill material concrete panel rock-fill dam |
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| CN201410361868.4A CN104110012A (en) | 2014-07-28 | 2014-07-28 | Low-permeability rock-fill material concrete panel rock-fill dam |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372770A (en) * | 2014-11-05 | 2015-02-25 | 华北水利水电大学 | Rubber face plate rockfill dam and construction method thereof |
| CN104532799A (en) * | 2015-01-23 | 2015-04-22 | 丰顺县梅丰水电发展有限公司 | High strength waterproof water retaining dam |
| CN104652371A (en) * | 2015-01-29 | 2015-05-27 | 河海大学 | Overflow cemented rock-fill dam established based on old dam and construction method thereof |
| CN106120663A (en) * | 2016-08-22 | 2016-11-16 | 中国水利水电第十工程局有限公司 | A kind of CFRD |
| CN106149640A (en) * | 2016-08-25 | 2016-11-23 | 中国电建集团西北勘测设计研究院有限公司 | Improve method and the double-drainage body rock of rock infiltration security |
| CN107190713A (en) * | 2017-07-24 | 2017-09-22 | 重庆交通大学 | Karst funnel reservoir and its flood-discharge tunnel and excavation method |
| CN107190707A (en) * | 2017-07-24 | 2017-09-22 | 重庆交通大学 | Karst funnel reservoir and its concrete slab enrockment plugging structure and method of construction |
| CN107237298A (en) * | 2017-07-24 | 2017-10-10 | 重庆交通大学 | Karst funnel reservoir and its hyperbolic arch beam slab plugging structure and construction method |
| CN107268535A (en) * | 2017-07-24 | 2017-10-20 | 重庆交通大学 | Karst funnel reservoir and its arch beam slab plugging structure and construction method |
| CN107386209A (en) * | 2017-07-24 | 2017-11-24 | 重庆交通大学 | A kind of Karst funnel reservoir and its method of construction |
| CN108035318A (en) * | 2017-12-28 | 2018-05-15 | 中国葛洲坝集团第二工程有限公司 | The construction method of the dam body water draining structure of homogeneous earth dam |
| CN108755605A (en) * | 2018-05-04 | 2018-11-06 | 中国电建集团华东勘测设计研究院有限公司 | A kind of earth and rockfill dam water discharge method and pressure slope body discharge structure |
| CN109577287A (en) * | 2018-11-15 | 2019-04-05 | 重庆交通大学 | A kind of two sided sheetpile stone regulating barrage and its construction method with non-return valve |
| CN110080173A (en) * | 2019-05-15 | 2019-08-02 | 长江勘测规划设计研究有限责任公司 | A kind of face dam anti-filter structure |
| CN110295576A (en) * | 2019-07-22 | 2019-10-01 | 长江勘测规划设计研究有限责任公司 | Improve the concrete face rockfill dam of stress and deformations of concrete face slab state |
| CN114561913A (en) * | 2022-03-04 | 2022-05-31 | 中国电建集团西北勘测设计研究院有限公司 | Drainage partition structure of concrete panel rock-fill dam |
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Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372770A (en) * | 2014-11-05 | 2015-02-25 | 华北水利水电大学 | Rubber face plate rockfill dam and construction method thereof |
| CN104532799A (en) * | 2015-01-23 | 2015-04-22 | 丰顺县梅丰水电发展有限公司 | High strength waterproof water retaining dam |
| CN104532799B (en) * | 2015-01-23 | 2016-05-04 | 丰顺县梅丰水电发展有限公司 | High-strength waterproof checkdam |
| CN104652371A (en) * | 2015-01-29 | 2015-05-27 | 河海大学 | Overflow cemented rock-fill dam established based on old dam and construction method thereof |
| CN106120663B (en) * | 2016-08-22 | 2018-05-25 | 中国水利水电第十一工程局有限公司 | A kind of concrete face rockfill dam |
| CN106120663A (en) * | 2016-08-22 | 2016-11-16 | 中国水利水电第十工程局有限公司 | A kind of CFRD |
| CN106149640A (en) * | 2016-08-25 | 2016-11-23 | 中国电建集团西北勘测设计研究院有限公司 | Improve method and the double-drainage body rock of rock infiltration security |
| CN107190713A (en) * | 2017-07-24 | 2017-09-22 | 重庆交通大学 | Karst funnel reservoir and its flood-discharge tunnel and excavation method |
| CN107268535B (en) * | 2017-07-24 | 2019-09-24 | 重庆交通大学 | Karst funnel reservoir and its arch beam slab plugging structure and construction method |
| CN107268535A (en) * | 2017-07-24 | 2017-10-20 | 重庆交通大学 | Karst funnel reservoir and its arch beam slab plugging structure and construction method |
| CN107386209A (en) * | 2017-07-24 | 2017-11-24 | 重庆交通大学 | A kind of Karst funnel reservoir and its method of construction |
| CN107190713B (en) * | 2017-07-24 | 2020-02-14 | 重庆交通大学 | Karst funnel reservoir and flood discharge tunnel and excavation method thereof |
| CN107190707A (en) * | 2017-07-24 | 2017-09-22 | 重庆交通大学 | Karst funnel reservoir and its concrete slab enrockment plugging structure and method of construction |
| CN107237298B (en) * | 2017-07-24 | 2019-10-18 | 重庆交通大学 | Karst funnel reservoir and its hyperbolic arch beam slab plugging structure and construction method |
| CN107237298A (en) * | 2017-07-24 | 2017-10-10 | 重庆交通大学 | Karst funnel reservoir and its hyperbolic arch beam slab plugging structure and construction method |
| CN108035318B (en) * | 2017-12-28 | 2019-12-13 | 中国葛洲坝集团第二工程有限公司 | Construction method of dam body drainage structure of homogeneous earth dam |
| CN108035318A (en) * | 2017-12-28 | 2018-05-15 | 中国葛洲坝集团第二工程有限公司 | The construction method of the dam body water draining structure of homogeneous earth dam |
| CN108755605A (en) * | 2018-05-04 | 2018-11-06 | 中国电建集团华东勘测设计研究院有限公司 | A kind of earth and rockfill dam water discharge method and pressure slope body discharge structure |
| CN108755605B (en) * | 2018-05-04 | 2023-12-12 | 中国电建集团华东勘测设计研究院有限公司 | Earth-rock dam drainage method and slope pressing body drainage structure |
| CN109577287A (en) * | 2018-11-15 | 2019-04-05 | 重庆交通大学 | A kind of two sided sheetpile stone regulating barrage and its construction method with non-return valve |
| CN110080173A (en) * | 2019-05-15 | 2019-08-02 | 长江勘测规划设计研究有限责任公司 | A kind of face dam anti-filter structure |
| CN110080173B (en) * | 2019-05-15 | 2024-04-12 | 长江勘测规划设计研究有限责任公司 | Reverse filtering structure of panel dam |
| CN110295576A (en) * | 2019-07-22 | 2019-10-01 | 长江勘测规划设计研究有限责任公司 | Improve the concrete face rockfill dam of stress and deformations of concrete face slab state |
| CN110295576B (en) * | 2019-07-22 | 2024-04-12 | 长江勘测规划设计研究有限责任公司 | Concrete face rockfill dam for improving face stress deformation state |
| CN114561913A (en) * | 2022-03-04 | 2022-05-31 | 中国电建集团西北勘测设计研究院有限公司 | Drainage partition structure of concrete panel rock-fill dam |
| CN114561913B (en) * | 2022-03-04 | 2024-01-19 | 中国电建集团西北勘测设计研究院有限公司 | Drainage partition structure of concrete panel rock-fill dam |
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Inventor after: Cai Xinhe Inventor after: Su Xiaojun Inventor after: Li Feng Inventor after: Zhao Shouchang Inventor after: Bai Junguang Inventor after: Xie Xiaoping Inventor after: Wang Junli Inventor after: Yang Cunlong Inventor after: Wei Jianzheng Inventor after: Wang Side Inventor after: Chen Nianshui Inventor after: Wang Kangzhu Inventor before: Cai Xinhe Inventor before: Bai Junguang Inventor before: Wang Junli Inventor before: Wei Jianzheng Inventor before: Chen Nianshui Inventor before: Wang Kangzhu Inventor before: Li Feng |
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Effective date of registration: 20160307 Address after: 710065 Shaanxi Province, Xi'an City Road eight No. 18 survey and Design Institute of the northwest department of science and technology Applicant after: Co., Ltd of northwest survey and design research institute of electricity Jian group of China Applicant after: Huanghe Hydropower Development Co., Ltd. Address before: 710065 Shaanxi Province, Xi'an City Road eight No. 18 survey and Design Institute of the northwest department of science and technology Applicant before: Co., Ltd of northwest survey and design research institute of electricity Jian group of China |
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Application publication date: 20141022 |