CN101603299B - Broken line type dam joint structure and construction method thereof - Google Patents
Broken line type dam joint structure and construction method thereof Download PDFInfo
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- CN101603299B CN101603299B CN200910100173XA CN200910100173A CN101603299B CN 101603299 B CN101603299 B CN 101603299B CN 200910100173X A CN200910100173X A CN 200910100173XA CN 200910100173 A CN200910100173 A CN 200910100173A CN 101603299 B CN101603299 B CN 101603299B
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Abstract
The invention relates to a broken line type dam joint structure and a construction method thereof. The invention is aimed at solving the technical problem of providing a broken line type dam joint structure and a construction method thereof to solve the problem of designing the dam joint structure under conditions of urban drainage pipes embedded in side slopes, a large area of dwelling houses, man-made slag heaps, small tributary import and the like in accordance with the requirements of structural stress, basic seepage prevention and seepage around the dam of the dam joint structure. For solving the problem, the method adopts a technical proposal that: the broken line type dam joint structure comprises dam concrete gate piers, built bridge concrete piers, a road masonry retaining wall and a built road, and is characterized in that a concrete retaining wall is built between the dam concrete gate piers and the concrete piers, that each structural seam of the concrete retaining wall is sealed by a waterproof sheet copper and that the inner side of the road masonry retaining wall, one end of the concrete retaining wall and one end of the built road have concrete thorn walls. The broken line type dam joint structure and the construction method thereof are applicable to water conservancy and hydropower projects and urban flood control projects.
Description
Technical field
The present invention relates to a kind of broken line type dam joint structure and job practices thereof.Be applicable to Hydraulic and Hydro-Power Engineering, flood control works.
Background technology
The design of water conservancy and hydropower multi-purpose project dam joint structure plays crucial effect to engineering safety.Generally be that directly insert on the bedrock surface of bank on the dam joint structure basis, can satisfy dam foundation preferably and prevent blending around dam seepage flow requirement.But run near being located in city or county town and build multi-purpose project, the bank condition is extremely complicated, dam joint structure design routinely just becomes very difficult, as being embedded with urban sewage pipeline, large stretch of resident house, artificial slag body, sprout remittance etc. in the side slope, in the face of such bank and basic condition, not only constructional difficulties, and expense costliness.Therefore, press for a kind of dam joint structure and job practices that can be fit to above-mentioned geographical situation of design on the engineering, make that being located near the water conservancy and hydropower multi-purpose project of building in city or county town becomes practical.
Summary of the invention
The present invention is the difficulty that overcomes dam joint structure design under the complex slope condition, a kind of broken line type dam joint structure and job practices thereof are proposed, to solve the difficult problem of dam joint structure designs such as being embedded with urban sewage pipeline, large stretch of resident house, artificial slag body, sprout remittance in the side slope, reach stressed, the basic anti-requirement that blends around dam seepage flow of dam joint structure.
The technical solution adopted in the present invention is: broken line type dam joint structure, have the dam concrete gate pier, build concrete pier, the highway stone-laying barricade of bridge and built highway, it is characterized in that: between dam concrete gate pier and concrete pier concrete guard wall is set, each structural joint of this concrete guard wall is by the copper seal water shutoff; In the inboard of highway stone-laying barricade, described concrete guard wall one end is provided with the concrete key-wall with an end of having built highway.
Structural joint between described concrete guard wall and the dam concrete gate pier is handled by the copper seal water shutoff.
Structural joint between described concrete pier and the concrete guard wall is handled by the frame for movement water shutoff, this frame for movement comprise smooth concrete pier the rubber filler strip, on L shaped watertight rubber and outermost steel plate press strip, above-mentioned three is fastening by expansion bolt.
Structural joint between described concrete guard wall and the concrete key-wall is handled by the copper seal water shutoff.
The structural joint of described concrete key-wall and highway stone-laying barricade one end is handled by the frame for movement water shutoff, this frame for movement comprise smooth highway stone-laying barricade the rubber filler strip, on L shaped watertight rubber and outermost steel plate press strip, above-mentioned three is fastening by expansion bolt.
The inboard backfill waste of described concrete guard wall building stones.
The consolidation grouting hole is set, array pitch 3m, hole depth 5m on the basis of concrete guard wall.
The basis of the basis of described dam concrete gate pier, the basis of concrete guard wall, concrete key-wall and the close-connected curtain grouting of the basis instrument hole of having built highway, pitch-row 2m, hole depth extends horizontally to upstream massif basement rock to relative impervious layer.
The job practices of broken line type dam joint structure of the present invention may further comprise the steps:
9.1 carry out concrete guard wall architecture basics excavation;
9.2 formwork erection concreting barricade, the pre-buried copper seal of each structural joint of barricade adopts the copper seal water shutoff to handle between concrete guard wall and the dam concrete gate pier;
Polish flat 9.3 will build the sidewall of the concrete pier of bridge, adopt fixedly watertight rubber of rubber filler strip, steel plate press strip, expansion bolt, formwork erection is built the concrete guard wall adjacent with concrete pier;
9.4 formwork erection concreting key-wall, joint at concrete key-wall and concrete guard wall is buried copper seal underground, the sidewall of highway stone-laying barricade is polished flat, between concrete key-wall and highway stone-laying barricade, adopt fixedly watertight rubber of rubber filler strip, steel plate press strip, expansion bolt;
9.5 earlier consolidation grouting is carried out on the basis of concrete guard wall; Again to this barricade basis curtain grouting;
9.6 to the thorn foundation of wall of dam concrete gate pier basis, concrete and built highway foundation and carried out curtain grouting, constitute the band of curtain grouting antiseepage closely continuously with the concrete guard wall basis of being in the milk earlier is common;
9.7 formed the inboard of antiseepage tape base plinth concrete guard wall with the backfill of waste building stones, layered rolling forms broken line type dam joint structure at last to the barricade top again.
The invention has the beneficial effects as follows: the present invention arranges the dam joint structure that a kind of broken line type is provided for the water conservancy and hydropower hinge, and advantage is that structure stress is clear and definite, construction is simple, based process is effective, can prolong seepage paths, improves around the dam impervious ability; To solving a dam joint structure processing difficult problem under urban flood defence, the reservoir complex slope condition, especially solving the main flow side has the blowdown culvert in sprout remittance or the bank slope dam joint structure design challenges, benefit of the present invention is obvious.
Description of drawings
Fig. 1 is a layout plan of the present invention.
Fig. 2 is the A-A sectional drawing of Fig. 1.
Fig. 3 is the B-B sectional drawing of Fig. 1.
Fig. 4 is the partial enlarged drawing of mark A among Fig. 1.
Fig. 5 is the partial enlarged drawing of mark B among Fig. 1.
The specific embodiment
As Fig. 1, Fig. 2, shown in Figure 3, present embodiment has dam concrete gate pier 2, builds concrete pier 3, the highway stone-laying barricade 5 of bridge and built highway 14, the characteristics of present embodiment are between dam concrete gate pier 2 and concrete pier 3 concrete guard wall 1 to be set, and each structural joint of concrete guard wall is by copper seal 7 water shutoffs; In the inboard of highway stone-laying barricade 5, described concrete guard wall 1 one ends are provided with concrete key-wall 4 with an end of having built highway 14.
Aspect hermetic seal, adopt copper seal 7 water shutoffs to handle for the structural joint between concrete guard wall 1 and the dam concrete gate pier 2.Adopt the frame for movement water shutoff to handle for the structural joint of building between bridge 15 concrete piers 3 and the concrete guard wall 1, see Fig. 4, this frame for movement comprise smooth concrete pier 3 rubber filler strip 9, on L shaped watertight rubber 8 and outermost steel plate press strip 10, above-mentioned three is fastening by expansion bolt 11, frame for movement is installed earlier the sidewall of concrete pier 3 is polished flat before.Adopt copper seal 7 water shutoffs to handle for the structural joint between concrete guard wall 1 and the concrete key-wall 4.Handle for the concrete key-wall 4 and the structural joint employing frame for movement water shutoff of highway stone-laying barricade 5 one ends, see Fig. 5, this frame for movement comprise smooth highway stone-laying barricade 5 rubber filler strip 9, on L shaped watertight rubber 8 and outermost steel plate press strip 10, above-mentioned three is fastening by expansion bolt 11, equally, first sidewall with highway stone-laying barricade 5 polishes flat before frame for movement is installed.
This example is utilized 12 backfills of waste building stones in concrete guard wall 1 inboard (back), increases structural stability, to satisfy the dam joint structure force request.
See Fig. 2, on the basis of concrete guard wall 1, execute and bore consolidation grouting hole 13, hole depth 5m, array pitch 3m, and carry out consolidation grouting.
See Fig. 1, Fig. 3, on the basis of dam concrete gate pier 2, on the basis of concrete guard wall 1, on the basis of concrete key-wall 4 and built to execute on the basis of highway 14 and bored the curtain grouting hole 6 of series connection mutually, hole depth is to relative impervious layer, pitch-row 2m, up to upstream massif basement rock, and carry out curtain grouting.
The job practices of this routine broken line type dam joint structure may further comprise the steps:
9.1 at first carry out concrete guard wall 1 architecture basics excavation;
9.2 formwork erection concreting barricade 1, at the pre-buried copper seal 7 of each structural joint of barricade, (turning point) also adopts copper seal 7 water shutoffs to handle between concrete guard wall 1 and the dam concrete gate pier 2;
Polish flat 9.3 will build the sidewall of the concrete pier 3 of bridge 15, adopt fixedly watertight rubber 8 of rubber filler strip 9, steel plate press strip 10, expansion bolt 11, formwork erection is built the concrete guard wall 1 adjacent with concrete pier 3 again;
9.4 formwork erection concreting key-wall 4, joint at concrete key-wall and concrete guard wall 1 is buried copper seal 7 underground, the sidewall of highway stone-laying barricade 5 is polished flat, between concrete key-wall and highway stone-laying barricade 5, adopt fixedly watertight rubber 8 of rubber filler strip 9, steel plate press strip 10, expansion bolt 11;
9.5 earlier consolidation grouting is carried out on the basis of concrete guard wall 1; Again curtain grouting is carried out on this barricade basis;
9.6 to dam concrete gate pier 2 bases, concrete key-wall 4 bases and built highway 14 bases and carried out curtain grouting, constitute the band of curtain grouting antiseepage closely continuously with concrete guard wall 1 basis of being in the milk earlier is common;
9.7 with the described inboard that has formed antiseepage tape base plinth concrete guard wall 1 of waste building stones 12 backfills, layered rolling forms broken line type dam joint structure at last to the barricade top again.
Claims (2)
1. broken line type dam joint structure, have dam concrete gate pier (2), build concrete pier (3), the highway stone-laying barricade (5) of bridge and built highway (14), it is characterized in that: between dam concrete gate pier (2) and concrete pier (3), concrete guard wall (1) is set, in the inboard of highway stone-laying barricade (5), described concrete guard wall (1) one end is provided with concrete key-wall (4) with an end of having built highway (14); Structural joint between structural joint between described concrete guard wall (1) and the dam concrete gate pier (2) and concrete guard wall (1) and the concrete key-wall (4) is by copper seal (7) water shutoff, and each structural joint of this concrete guard wall is by copper seal (7) water shutoff simultaneously; Structural joint between described concrete pier (3) and the concrete guard wall (1) and concrete key-wall (4) are all handled by the frame for movement water shutoff with the structural joint of highway stone-laying barricade (5) one ends, this frame for movement comprise smooth concrete pier (3) or highway stone-laying barricade (5) rubber filler strip (9), on L shaped watertight rubber (8) and outermost steel plate press strip (10), above-mentioned three is fastening by expansion bolt (11); Described concrete guard wall (1) inboard backfill waste building stones (12) and consolidation grouting hole (13), array pitch 3m, hole depth 5m are set on the basis of concrete guard wall (1); The basis of the basis of the basis of described dam concrete gate pier (2), concrete guard wall (1), concrete key-wall (4) and the close-connected curtain grouting of the basis instrument hole (6) of having built highway (14), pitch-row 2m, hole depth extends horizontally to upstream massif basement rock to relative impervious layer.
2. job practices of broken line type dam joint structure according to claim 1 may further comprise the steps:
2.1 carry out concrete guard wall (1) architecture basics excavation;
2.2 formwork erection concreting barricade (1), the pre-buried copper seal of each structural joint (7) of barricade adopts copper seal (7) water shutoff to handle between concrete guard wall (1) and the dam concrete gate pier (2);
Polish flat 2.3 will build the sidewall of the concrete pier (3) of bridge, adopt fixedly watertight rubber (8) of rubber filler strip (9), steel plate press strip (10), expansion bolt (11), formwork erection is built the concrete guard wall (1) adjacent with concrete pier (3);
2.4 formwork erection concreting key-wall (4), joint at concrete key-wall and concrete guard wall (1) is buried copper seal (7) underground, the sidewall of highway stone-laying barricade (5) is polished flat, between concrete key-wall and highway stone-laying barricade, adopt fixedly watertight rubber (8) of rubber filler strip (9), steel plate press strip (10), expansion bolt (11);
2.5 earlier consolidation grouting is carried out on the basis of concrete guard wall (1); Again to this barricade basis curtain grouting;
2.6 to dam concrete gate pier (2) basis, concrete key-wall (4) basis and built highway (14) basis and carried out curtain grouting, constitute the band of curtain grouting antiseepage closely continuously with concrete guard wall (1) basis of being in the milk earlier is common;
2.7 with the inboard of waste building stones (12) backfill formation antiseepage tape base plinth concrete guard walls (1), layered rolling forms broken line type dam joint structure at last to the barricade top again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910100173XA CN101603299B (en) | 2009-07-02 | 2009-07-02 | Broken line type dam joint structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910100173XA CN101603299B (en) | 2009-07-02 | 2009-07-02 | Broken line type dam joint structure and construction method thereof |
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| CN101603299A CN101603299A (en) | 2009-12-16 |
| CN101603299B true CN101603299B (en) | 2011-10-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104480903B (en) * | 2014-12-12 | 2016-07-06 | 中国电建集团贵阳勘测设计研究院有限公司 | Concrete panel rock-fill dam panel parting structure and construction method thereof |
| CN105040724B (en) * | 2015-07-02 | 2017-03-01 | 中国电建集团华东勘测设计研究院有限公司 | A kind of bad basic processing method of concrete dam joint |
| CN113863228B (en) * | 2021-10-20 | 2024-08-09 | 长江勘测规划设计研究有限责任公司 | Seepage-proofing structure of weak connection part of stone-laying dam and earth dam and construction method |
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