CN103046516A - Method for filling bottom of gravelly soil core wall of stone dam - Google Patents
Method for filling bottom of gravelly soil core wall of stone dam Download PDFInfo
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- CN103046516A CN103046516A CN2012105881849A CN201210588184A CN103046516A CN 103046516 A CN103046516 A CN 103046516A CN 2012105881849 A CN2012105881849 A CN 2012105881849A CN 201210588184 A CN201210588184 A CN 201210588184A CN 103046516 A CN103046516 A CN 103046516A
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Abstract
The invention discloses a method for filling the bottom of a gravelly soil core wall of a stone dam. The method includes steps of firstly, casting a concrete key wall on a first diaphragm wall, reserving a reserved passage for construction vehicles to enter on the concrete key wall; secondly, filling clay 2 meters thick in a gap area of the inner side and the outer side of the concrete key wall; thirdly, casting the concrete key wall to the top after the construction vehicles enter a filling roadway; and fourthly, forming a plurality of clay loading platforms on a downstream side of a concrete gallery by clay, throwing the clay into the filling roadway by a backacting shovel, paving, grinding and filling by layering until the clay in the filling roadway is all filled and then the construction vehicles can be driven out from the top. By the above steps, filling construction of the bottom of the gravelly soil core wall of the stone dam can be realized. By forming the filling roadway convenient for filling by the concrete key wall, flow of high-ductility clay is limited, and layering, grinding and paving of the construction vehicles in the filling roadway are facilitated. The method has the advantages of simplicity in construction, convenience and practicality, investment is saved and construction quality and speed are guaranteed.
Description
Technical field
The present invention relates to a kind of Hydraulic and Hydro-Power Engineering and build the water retaining structure construction field, particularly the dam filling construction bottom a kind of loose rock dam gravelly soil core-wall.
Background technology
The structural configuration on dash dam twice impervious wall basis is to design first at home, and filling in the tunnel of sealing all around, the filling construction beyond example in the middle of upstream impervious wall and the downstream gallery is used for reference.
Can be the job practices that Chinese patent 200910058708.1 discloses a kind of highly plastic clay core wall for the data of using for reference, adopt the roller compaction construction method that highly plastic clay band and gravelly soil core-wall are rolled, a kind of thick and heavy concept that rolls has especially been proposed, the problem that exists is, because the plasticity of clay is high, good fluidity, difficulty of construction is larger, and construction period is longer.
Summary of the invention
Technical problem to be solved by this invention provides the dam filling construction of a kind of loose rock dam gravelly soil core-wall bottom, can reduce the filling construction difficulty of core-wall bottom, and efficiency of construction is high, easy to operate.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: the dam filling construction of a kind of loose rock dam gravelly soil core-wall bottom, comprise the first impervious wall and the second impervious wall that are arranged on checkdam, described the second impervious wall is positioned at the downstream, built the concrete gallery at the second impervious wall, concrete gallery two ends are pasted sloping concrete with slope on left bank core-wall district respectively and are connected sloping concrete with right bank slope core-wall district and are connected, and may further comprise the steps:
One, concreting key-wall on the first impervious wall, concrete key-wall two ends paste sloping concrete with slope on left bank core-wall district respectively and are connected sloping concrete with right bank slope core-wall district and are connected, and leave the reserved passageway that enters for Construction traffic at the concrete key-wall;
Two, the gap area in the inside and outside both sides of concrete key-wall fills the thick clay of 1-3 rice, and the wall external symmetry is filled within the walls;
Three, Construction traffic enters into filling in the tunnel between concrete key-wall and the concrete gallery from reserved passageway, and the concrete key-wall with the reserved passageway zone is poured into the top again;
Four, simultaneously form a plurality of clay material platforms in the downstream of concrete gallery with clay, with backhoe clay filler is got rid of into filling in the tunnel, the layering decking and rolling fills, until fill clay filling in the tunnel complete after, equipment is left from the top;
Realize the filling construction of loose rock dam gravelly soil core-wall bottom by above-mentioned steps.
Downstream at the concrete gallery also is provided with the horizontal reverse filtering layer, is the gravelly soil reclamation district on the horizontal reverse filtering layer.
Described Construction traffic is excavator, bulldozer and rolling machine.
Described rolling machine is the protruding mill of vibration.
Be provided with the grouting adit in the described concrete gallery.
Described concrete key-wall height is 9-11 rice.
Described concrete gallery height is 8-9 rice.
Described reserved passageway width is 10-14 rice.
The dam filling construction of a kind of loose rock dam gravelly soil core-wall provided by the invention bottom, form the tunnel of filling of being convenient to fill by the concrete key-wall that arranges, thereby limited flowing of highly plastic clay, just in the inner equipment, for example excavator, bulldozer and rolling machine construction, layered rolling paves.It is succinct, convenient, practical that dam filling construction of the present invention has construction, both saved investment, guaranteed again construction quality and progress.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is overall structure schematic top plan view of the present invention.
Fig. 2 is the longitudinal profile view between the concrete key-wall rain concrete gallery among the present invention.
Fig. 3 fills the longitudinal profile view of tunnel when filling between the concrete key-wall rain concrete gallery among the present invention.
Fig. 4 is the transverse cross sectional view of concrete key-wall rain concrete gallery among the present invention.
Among the figure: sloping concrete 1, highly plastic clay reclamation district 2, gravelly soil reclamation district 3 paste in slope on left bank core-wall district, dump truck 4, clay material platform 5, excavator 6, concrete gallery 7, sloping concrete eight is pasted in right bank slope core-wall district, concrete key-wall 9, bulldozer 10, grouting adit 11, rolling machine 12, reserved passageway 13, high retrospective clay 14, the first impervious walls 15 after the placement in layers, the second impervious wall 16 fills tunnel 17, horizontal reverse filtering layer 18.
The specific embodiment
In Fig. 1-4, the dam filling construction of a kind of loose rock dam gravelly soil core-wall bottom, comprise the first impervious wall 15 and the second impervious wall 16 that are arranged on checkdam, described the second impervious wall 16 is positioned at the downstream, built concrete gallery 7 at the second impervious wall 16, concrete gallery 7 two ends are pasted sloping concrete 1 with slope on left bank core-wall district respectively and are connected sloping concrete eight with right bank slope core-wall district and are connected, and are provided with grouting adit 11 in the described concrete gallery 7, and described concrete gallery 7 highly is 8-9 rice.Downstream at concrete gallery 7 also is provided with horizontal reverse filtering layer 18, is gravelly soil reclamation district 3 on the horizontal reverse filtering layer 18.Specifically may further comprise the steps:
One, as among Fig. 1,3,4, concreting key-wall 9 on the first impervious wall 15, described concrete key-wall 9 is 9-11 rice highly, the height in this example is 10 meters.Concrete key-wall 9 two ends are pasted sloping concrete 1 with slope on left bank core-wall district respectively and are connected sloping concrete eight with right bank slope core-wall district and are connected, leave the reserved passageway 13 that enters for Construction traffic at concrete key-wall 9, described reserved passageway 13 width are 10-14 rice, are set to 12 meters in this example.
Two, as among Fig. 1,3, the gap area in the inside and outside both sides of concrete key-wall 9 fills the thick clay of 1-3 rice, and the wall external symmetry is filled within the walls, and preferred thickness is 2 meters.
Three, excavator 6, bulldozer 10 and rolling machine 12 enter into filling in the tunnel 17 between concrete key-wall 9 and the concrete gallery 7 from reserved passageway 13, and the concrete key-wall 9 with reserved passageway 13 zones is poured into the top again; Rolling machine 12 in this example is the protruding mill of vibration.
Four, simultaneously form a plurality of clay material platforms 5 in the downstream of concrete gallery 7 with clay, with backhoe clay filler is got rid of into filling in the tunnel 17, the layering decking and rolling fills, until fill the interior clay filling in tunnel 17 complete after, equipment is left from the top;
Realize the filling construction of loose rock dam gravelly soil core-wall bottom by above-mentioned steps.Adopt dam filling construction of the present invention because the concrete key-wall has limited flowing of highly plastic clay, it is succinct, convenient, practical to have a construction, has both saved investment, has guaranteed again construction quality and progress.
Claims (8)
1. the dam filling construction of loose rock dam gravelly soil core-wall bottom, comprise the first impervious wall (15) and the second impervious wall (16) that are arranged on checkdam, described the second impervious wall (16) is positioned at the downstream, built concrete gallery (7) at the second impervious wall (16), concrete gallery (7) two ends are pasted sloping concrete (1) with slope on left bank core-wall district respectively and are connected sloping concrete (8) with right bank slope core-wall district and are connected, and it is characterized in that may further comprise the steps:
One, at the upper concreting key-wall (9) of the first impervious wall (15), concrete key-wall (9) two ends are pasted sloping concrete (1) with slope on left bank core-wall district respectively and are connected sloping concrete (8) with right bank slope core-wall district and are connected, and leave the reserved passageway (13) that enters for Construction traffic at concrete key-wall (9);
Two, the gap area in the inside and outside both sides of concrete key-wall (9) fills the thick clay of 1-3 rice, and the wall external symmetry is filled within the walls;
Three, Construction traffic enters into filling in the tunnel (17) between concrete key-wall (9) and the concrete gallery (7) from reserved passageway (13), and the concrete key-wall (9) with reserved passageway (13) zone is poured into the top again;
Four, form a plurality of clay material platforms (5) in the downstream of concrete gallery (7) with clay simultaneously, with backhoe clay filler is got rid of into filling in the tunnel (17), the layering decking and rolling fills, until fill clay filling in the tunnel (17) complete after, equipment is left from the top;
Realize the filling construction of loose rock dam gravelly soil core-wall bottom by above-mentioned steps.
2. the dam filling construction bottom a kind of loose rock dam gravelly soil core-wall according to claim 1 is characterized in that: also be provided with horizontal reverse filtering layer (18) in the downstream of concrete gallery (7), be gravelly soil reclamation district (3) on the horizontal reverse filtering layer (18).
3. the dam filling construction of a kind of loose rock dam gravelly soil core-wall according to claim 1 bottom, it is characterized in that: described Construction traffic is excavator (6), bulldozer (10) and rolling machine (12).
4. the dam filling construction of a kind of loose rock dam gravelly soil core-wall according to claim 3 bottom, it is characterized in that: described rolling machine (12) is the protruding mill of vibration.
5. the dam filling construction bottom a kind of loose rock dam gravelly soil core-wall according to claim 1 is characterized in that: be provided with grouting adit (11) in the described concrete gallery (7).
6. the dam filling construction of a kind of loose rock dam gravelly soil core-wall according to claim 1 bottom, it is characterized in that: described concrete key-wall (9) highly is 9-11 rice.
7. the dam filling construction of a kind of loose rock dam gravelly soil core-wall according to claim 1 bottom, it is characterized in that: described concrete gallery (7) highly is 8-9 rice.
8. the dam filling construction of a kind of loose rock dam gravelly soil core-wall according to claim 1 bottom, it is characterized in that: described reserved passageway (13) width is 10-14 rice.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210588184.9A CN103046516B (en) | 2012-12-29 | 2012-12-29 | Method for filling bottom of gravelly soil core wall of stone dam |
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| CN201210588184.9A CN103046516B (en) | 2012-12-29 | 2012-12-29 | Method for filling bottom of gravelly soil core wall of stone dam |
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| CN103046516A true CN103046516A (en) | 2013-04-17 |
| CN103046516B CN103046516B (en) | 2015-04-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213543A (en) * | 2014-09-24 | 2014-12-17 | 中国水利水电第五工程局有限公司 | Clay filling construction method used between two walls of earth-rock dam bottom |
| CN108166457A (en) * | 2018-01-12 | 2018-06-15 | 中国电建集团华东勘测设计研究院有限公司 | The anti-seepage linkage of the deep covering layer dam foundation and calculous soil core-wall |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476309A (en) * | 2009-01-15 | 2009-07-08 | 中国葛洲坝集团股份有限公司 | Dam body prepressing inverted filling construction method for ultra-high concrete panel rock-fill dam |
| CN101538839A (en) * | 2009-03-26 | 2009-09-23 | 中国水利水电第七工程局有限公司 | Method for constructing highly plastic clay core wall |
| US20100284747A1 (en) * | 2009-05-05 | 2010-11-11 | Peterson Galen L | Water-filled building block for temporary levee |
-
2012
- 2012-12-29 CN CN201210588184.9A patent/CN103046516B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476309A (en) * | 2009-01-15 | 2009-07-08 | 中国葛洲坝集团股份有限公司 | Dam body prepressing inverted filling construction method for ultra-high concrete panel rock-fill dam |
| CN101538839A (en) * | 2009-03-26 | 2009-09-23 | 中国水利水电第七工程局有限公司 | Method for constructing highly plastic clay core wall |
| US20100284747A1 (en) * | 2009-05-05 | 2010-11-11 | Peterson Galen L | Water-filled building block for temporary levee |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213543A (en) * | 2014-09-24 | 2014-12-17 | 中国水利水电第五工程局有限公司 | Clay filling construction method used between two walls of earth-rock dam bottom |
| CN104213543B (en) * | 2014-09-24 | 2016-05-18 | 中国水利水电第五工程局有限公司 | A kind of for the clay filling construction method between two walls of earth and rockfill dam bottom |
| CN108166457A (en) * | 2018-01-12 | 2018-06-15 | 中国电建集团华东勘测设计研究院有限公司 | The anti-seepage linkage of the deep covering layer dam foundation and calculous soil core-wall |
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| CN103046516B (en) | 2015-04-01 |
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Effective date of registration: 20160516 Address after: 710000 Shaanxi province Xi'an Chanba Ecological District Su Shaanxi international financial center building A Patentee after: CHINA GEZHOUBA GROUP NO.3 ENGINEERING CO., LTD. Address before: 443002 Hubei province Yichang City Road No. 1 Patentee before: China Gezhouba Group Co., Ltd. |