CN115492052B - Seepage-proofing reinforcement treatment method for small-sized reservoir homogeneous dam body - Google Patents
Seepage-proofing reinforcement treatment method for small-sized reservoir homogeneous dam body Download PDFInfo
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- CN115492052B CN115492052B CN202211212922.XA CN202211212922A CN115492052B CN 115492052 B CN115492052 B CN 115492052B CN 202211212922 A CN202211212922 A CN 202211212922A CN 115492052 B CN115492052 B CN 115492052B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Abstract
A seepage-proofing reinforcement treatment method for a small-sized reservoir homogeneous dam body comprises the following steps: and dam body seepage prevention reinforcement treatment measures, wherein the seepage prevention reinforcement structure comprises: the invention provides a safe and effective seepage-proofing reinforcement treatment method for a small-sized reservoir homogeneous dam body, which is characterized in that an asphalt concrete seepage-proofing panel paved on the slope surface of the upper part of the slope surface of an original dam body and a concrete seepage-proofing wall arranged in the slope surface of the lower part of the slope surface of the original dam body are used for forming a new seepage-proofing system on the upstream surface of the homogeneous dam. The seepage-proofing reinforcement treatment is implemented in two stages, the construction of the concrete seepage-proofing wall engineering is completed in the first stage, the asphalt concrete panel is completed in the second stage, the reservoir is not required to be emptied in the whole seepage-proofing reinforcement treatment process, the normal operation of the reservoir is not influenced, and the economic and social benefits are brought into play; the slope protection structure of the upstream surface of the original dam body is not required to be dismantled, and the construction period and the cost of the seepage prevention reinforcement treatment are greatly reduced.
Description
Technical Field
The invention belongs to the technical field of small reservoir danger-removing reinforcement, and particularly relates to an anti-seepage reinforcement treatment method for a small reservoir homogeneous dam.
Background
In the last century, in order to improve the capability of agricultural production against water and drought disasters and ensure grain production, a large number of small reservoirs are built all over the country, and the homogeneous dam with small investment and simple construction and locally available materials is mainly used.
The small reservoir runs for more than 50 years, and a plurality of patients with different degrees, especially the leakage problem of the homogeneous dam, can not normally block and store water sources, the due benefits of the reservoir can not be exerted, water resources are inevitably wasted, the contradiction between supply and demand of the water resources is aggravated, the normal and safe operation of the reservoir is ensured, the original economic and social benefits of the reservoir are ensured, and a large number of homogeneous earth dams of the small reservoir are urgently required to be subjected to seepage prevention reinforcement treatment.
At present, the existing treatment method for the seepage prevention and reinforcement of the dam body of the homogeneous dam of the small reservoir comprises the steps of adding clay inclined walls or adding geomembrane seepage prevention bodies on the upstream of the dam body. However, the current treatment methods have the following disadvantages: (1) when the method is implemented, the reservoir is required to be emptied, river water is blocked, measures are required to be taken to guide the river water to the downstream, and water below the dead water level in the reservoir area is further pumped out, namely, the reservoir cannot be normally operated and used during the implementation of the method, and economic and social benefits cannot be normally exerted; (2) when the method is implemented, the slope protection structure of the upstream face of the original dam body is required to be removed, so that the treatment method increases the construction period and the cost of the seepage prevention reinforcement treatment.
Disclosure of Invention
The invention provides an anti-seepage reinforcement treatment method for a small-sized reservoir homogeneous dam body, which aims to solve the problems of the current anti-seepage treatment method that the reservoir needs to be emptied, and the anti-seepage reinforcement treatment construction period and cost are increased due to the fact that an original dam face slope protection structure is removed.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the seepage-proofing reinforcement treatment method for the small-sized reservoir homogeneous dam body is characterized in that the seepage-proofing reinforcement structure comprises an asphalt concrete seepage-proofing panel paved on the dam slope surface of the upstream dam slope surface of the original dam body and a concrete seepage-proofing wall arranged in the dam slope surface of the downstream dam slope surface of the upstream dam body, wherein the asphalt concrete seepage-proofing panel and the concrete seepage-proofing wall form a new seepage-proofing system on the upstream surface of the homogeneous dam.
The asphalt concrete seepage-proofing panel adopts a simple structure, and comprises an asphalt mastic sealing layer, an asphalt concrete seepage-proofing layer, an asphalt mortar wedge body and an asphalt concrete leveling cementing layer in sequence.
The upper part of the concrete impervious wall body is provided with a concrete base, and the lower part of the concrete impervious wall body is provided with the concrete impervious wall.
The upstream surface of the asphalt concrete impermeable wall body is positioned above the dead water level of the reservoir by crossing the slope protection of the slope surface of the original dam, and the height difference is not less than 50 cm.
And a drainage pipeline is buried in the concrete base, wherein the asphalt concrete seepage-proof panel is connected with the left bank slope and the right bank slope.
The lower port of the drainage pipeline is positioned on the downstream side of the upper concrete base of the concrete impermeable wall body.
The anti-seepage reinforcement treatment method is implemented in two stages, wherein the construction of the concrete anti-seepage wall engineering is completed in the first stage, and the construction of the asphalt concrete anti-seepage panel is completed in the second stage.
The beneficial effects of the invention are as follows: the method for carrying out seepage-proofing reinforcement on the homogeneous dam formed by combining the asphalt concrete seepage-proofing panel and the concrete seepage-proofing wall body, which is provided by the invention, ensures that the homogeneous dam has a double-guarantee seepage-proofing system, provides a safe and effective seepage-proofing reinforcement treatment method for the homogeneous dam of the small reservoir, can realize that the reservoir is not required to be emptied, river water is not required to be blocked, measures are not required to be taken to guide the river water downstream during the seepage-proofing reinforcement treatment of the dam body of the small reservoir, and water below the dead water level of a reservoir area is not required to be drained, so that the normal operation and the use of the reservoir are not influenced, and the normal economic and social benefits of the reservoir are not influenced; the slope protection structure of the upstream surface of the original dam body is not required to be dismantled; greatly reduces the construction period and cost of the anti-seepage reinforcement treatment.
Drawings
FIG. 1 is a schematic diagram of the cross-sectional impermeable reinforcement structure of the homogeneous dam of the present invention.
FIG. 2 is a schematic illustration of a homogeneous dam vertical section drainage pipe arrangement of the present invention.
In the figure: 1-asphalt concrete impermeable panels; 11-an asphalt mastic sealer; 12-an asphalt concrete impermeable layer; 13-asphalt mortar wedge; 14-leveling the cementing layer by asphalt concrete; 2-a concrete impermeable wall body; 21-a concrete base; 22-concrete cut-off wall; 3-zinc-plated wire netting; 4-an upstream dam slope protection structure of the original dam body; 5-drainage pipelines; 51-drain line lower port.
Detailed Description
In the embodiment 1, in order to solve the defects of the existing seepage-proofing reinforcement treatment method of the small-sized reservoir homogeneous dam, the whole process of completing the seepage-proofing reinforcement treatment of the small-sized reservoir homogeneous dam body is realized without emptying the reservoir, and the normal play of economic and social benefits of the reservoir is not influenced; the embodiment provides an impermeable reinforcement treatment method for a small-sized reservoir homogeneous dam, wherein the impermeable reinforcement structure comprises an asphalt concrete impermeable panel 1 paved on a dam slope surface at the upper part of an upstream dam slope surface of an original dam body and a concrete impermeable wall 2 arranged in a dam slope at the lower part of the upstream dam slope surface of the original dam body; the asphalt concrete impermeable panel and the concrete impermeable wall form a new impermeable system on the upstream side of the homogeneous dam.
The asphalt concrete seepage-proofing panel 1 adopts a simple structure. The asphalt mastic sealing layer 11, the asphalt concrete impermeable layer 12, the asphalt mortar wedge body 13 and the asphalt concrete leveling adhesive layer 14 are sequentially arranged;
a galvanized iron wire mesh 3 is arranged between the asphalt concrete leveling adhesive layer 14 and the slope protection 4 of the upstream dam slope of the original dam body;
the upper part of the concrete impervious wall body 2 is provided with a concrete base 21, and the lower part is provided with a concrete impervious wall 22;
the upstream surface side of the asphalt concrete impermeable wall body 2 and the slope protection intersection of the original dam slope are positioned above the dead water level of the reservoir, and the height difference is not less than 50cm;
the drainage pipeline 5 is buried in the concrete base, which is connected with the left bank slope and the right bank slope, of the asphalt concrete seepage-proofing panel 1;
the lower drainage pipe port 51 is positioned on the downstream side of the upper concrete foundation 21 of the concrete impermeable wall body 2.
The anti-seepage reinforcement treatment method is implemented in two stages, wherein the engineering construction of the concrete anti-seepage wall body 2 is completed in the first stage, and the construction of the asphalt concrete anti-seepage panel 1 is completed in the second stage.
The first period is used for completing engineering construction of the concrete impermeable wall body 2 and is arranged in the first water-withering period of the impermeable reinforcement engineering;
the second period is used for completing the construction of the asphalt concrete seepage-proofing panel 1 and is arranged in the second water-withering period of the seepage-proofing reinforcement project;
example 2
On the basis of the embodiment 1, the embodiment provides a small-sized reservoir homogeneous dam body seepage-proofing reinforcement treatment method shown in the figure 1, and the novel seepage-proofing system comprises an upper asphalt concrete seepage-proofing panel (1), a lower concrete seepage-proofing wall body (2) and is completed in a two-stage implementation.
In the first dead water period, the reservoir water level is reduced to the dead water level, and the construction of the concrete impermeable wall body 2, the concrete base with the asphalt concrete impermeable panel 1 connected with the left bank slope and the right bank slope and the embedded drainage pipeline 5 are completed, as shown in fig. 2, the reservoir is used for storing water in the water-rich period, and the reservoir can normally run, thereby bringing into play the economic and social benefits of the reservoir.
In the second dead water period of the seepage-proofing reinforcement treatment project, the reservoir water level is reduced to the dead water level, and the paving of the asphalt concrete seepage-proofing panel 1 is completed. Before the asphalt concrete impermeable panel 1 is paved, a galvanized iron wire mesh 3 is paved on the slope protection structure of the upstream slope of the original dam body, the asphalt concrete impermeable panel 1 and the slope protection structure of the upstream slope of the original dam body are guaranteed to be bonded together, and the asphalt concrete impermeable panel 1 and the slope protection structure of the upstream slope of the original dam body are limited to slide.
In conclusion, the seepage-proofing reinforcement treatment method for the small-sized reservoir homogeneous dam body can realize that the reservoir is not required to be emptied in the whole process of completing the seepage-proofing reinforcement treatment of the small-sized reservoir homogeneous dam body, and the normal play of economic and social benefits of the reservoir is not influenced; the construction period and cost of the seepage-proofing reinforcement treatment are greatly reduced without dismantling the slope protection structure of the upstream face of the original dam body.
The methods and structures described in the examples above are not explicitly described herein as such, and are common general knowledge in the industry.
The above list is merely illustrative of the present invention and is not meant to limit the scope of the present invention, and all methods that are the same or similar to the present invention are within the scope of the present invention.
Claims (1)
1. The seepage-proofing reinforcement treatment method for the small-sized reservoir homogeneous dam body is used for repairing seepage of the existing homogeneous dam which runs for years, and is characterized by comprising the following steps of: the seepage-proofing reinforcing structure comprises an asphalt concrete seepage-proofing panel (1) for paving a slope surface of an upper part of an upstream dam slope surface of an original dam body, and a concrete seepage-proofing wall (2) arranged in a lower part of the upstream dam slope surface of the original dam body, so that a new seepage-proofing system is formed on the upstream surface side of the homogeneous dam;
the asphalt concrete anti-seepage panel (1) adopts a simple structure, and comprises an asphalt mastic sealing layer (11), an asphalt concrete anti-seepage layer (12), an asphalt mortar wedge body (13) and an asphalt concrete leveling cementing layer (14) in sequence; a galvanized iron wire mesh (3) is arranged between the asphalt concrete leveling adhesive layer (14) and the slope protection (4) of the upstream dam slope of the original dam body;
the anti-seepage reinforcement treatment method is implemented in two stages, wherein the engineering construction of the concrete anti-seepage wall body (2) is completed in the first stage, and the engineering construction of the asphalt concrete anti-seepage panel is completed in the second stage;
the first period is used for completing engineering construction of the concrete impermeable wall (2), and is arranged in the first water-withering period of the impermeable reinforcement engineering;
the second period is used for completing engineering construction of the asphalt concrete anti-seepage panel (1), and is arranged in the second water-withering period of the anti-seepage reinforcement engineering;
the upstream surface side of the concrete diaphragm wall (2) is crossed with the slope protection of the original dam surface and is above the dead water level of the reservoir, and the height difference is not less than 50cm;
the asphalt concrete impermeable panel (1) is buried in a concrete base connected with the left bank slope and the right bank slope, and a lower port (51) of the drainage pipeline is positioned on the downstream side of an upper concrete base (21) of the concrete impermeable wall (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211212922.XA CN115492052B (en) | 2022-09-29 | 2022-09-29 | Seepage-proofing reinforcement treatment method for small-sized reservoir homogeneous dam body |
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| CN202211212922.XA CN115492052B (en) | 2022-09-29 | 2022-09-29 | Seepage-proofing reinforcement treatment method for small-sized reservoir homogeneous dam body |
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| CN115492052B true CN115492052B (en) | 2023-06-02 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI982658A1 (en) * | 1998-12-10 | 2000-06-10 | Sibelon Srl | DAM IN LOOSE MATERIAL AND WATERPROOFING PROCEDURE |
| KR20060095924A (en) * | 2006-08-16 | 2006-09-05 | (주)인텔리지오 | Upstream faced type fill dam with anchor |
| JP2007046348A (en) * | 2005-08-10 | 2007-02-22 | Shimizu Corp | Repairing and reinforcing structure for concrete dam |
| JP2009197440A (en) * | 2008-02-20 | 2009-09-03 | Nishimatsu Constr Co Ltd | Water cut-off structure and creation method for fill dam |
| JP2013194408A (en) * | 2012-03-19 | 2013-09-30 | Kurimoto Ltd | Method for constructing impervious wall in dam body |
| WO2020240385A1 (en) * | 2019-05-24 | 2020-12-03 | Carpi Tech B.V. | Method for constructing an earth and/or rock dam or embankment and a dam or embankment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424467A (en) * | 2003-01-12 | 2003-06-18 | 沈亦根 | Fractional dam constructing method for RCC dam |
| RU2265693C1 (en) * | 2004-05-05 | 2005-12-10 | Открытое акционерное общество "Инженерный центр ЕЭС"-Гидропроект, Ленгидропроект, Теплоэлектропроект, Фирма ОРГРЭС" | Water-tight dam diaphragm formed of in-situ materials |
| CN201485823U (en) * | 2009-04-23 | 2010-05-26 | 北京国电水利电力工程有限公司 | Anti-seepage structure of hydraulic asphalt concrete panel |
| CN104863096B (en) * | 2015-05-27 | 2017-01-04 | 中国电建集团华东勘测设计研究院有限公司 | A kind of overlay construction method of the aging repairing of asphalt concrete anti-seepage panel |
| CN105002859B (en) * | 2015-08-07 | 2017-05-10 | 中国电建集团华东勘测设计研究院有限公司 | Connecting structure for reservoir bottom asphalt concrete panel and reservoir slope concrete panel as well as construction method |
| CN206157670U (en) * | 2016-08-26 | 2017-05-10 | 中国电建集团西北勘测设计研究院有限公司 | Asphalt concrete seepage prevention structure |
| CN106245595B (en) * | 2016-08-29 | 2018-02-06 | 中国电建集团西北勘测设计研究院有限公司 | A kind of maintainable face dam of antiseepage wall bottom seepage control system |
-
2022
- 2022-09-29 CN CN202211212922.XA patent/CN115492052B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI982658A1 (en) * | 1998-12-10 | 2000-06-10 | Sibelon Srl | DAM IN LOOSE MATERIAL AND WATERPROOFING PROCEDURE |
| JP2007046348A (en) * | 2005-08-10 | 2007-02-22 | Shimizu Corp | Repairing and reinforcing structure for concrete dam |
| KR20060095924A (en) * | 2006-08-16 | 2006-09-05 | (주)인텔리지오 | Upstream faced type fill dam with anchor |
| JP2009197440A (en) * | 2008-02-20 | 2009-09-03 | Nishimatsu Constr Co Ltd | Water cut-off structure and creation method for fill dam |
| JP2013194408A (en) * | 2012-03-19 | 2013-09-30 | Kurimoto Ltd | Method for constructing impervious wall in dam body |
| WO2020240385A1 (en) * | 2019-05-24 | 2020-12-03 | Carpi Tech B.V. | Method for constructing an earth and/or rock dam or embankment and a dam or embankment |
Non-Patent Citations (1)
| Title |
|---|
| 病险水库土石坝防渗加固效果评价方法探讨;黄海波;《江淮水利科技》;第20-22页 * |
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