CN204875703U - A cross adfluxion sediment weir for hydraulic and hydroelectric engineering - Google Patents

A cross adfluxion sediment weir for hydraulic and hydroelectric engineering Download PDF

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Publication number
CN204875703U
CN204875703U CN201520470287.4U CN201520470287U CN204875703U CN 204875703 U CN204875703 U CN 204875703U CN 201520470287 U CN201520470287 U CN 201520470287U CN 204875703 U CN204875703 U CN 204875703U
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China
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weir
section
overcurrent
adfluxion
downstream
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雷运华
梁娟
王小波
蒲建平
付峥
何兴勇
金伟
曹驾云
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PowerChina Chengdu Engineering Co Ltd
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PowerChina Chengdu Engineering Co Ltd
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Abstract

The utility model discloses a cross adfluxion sediment weir, especially relate to a cross adfluxion sediment weir for hydraulic and hydroelectric engineering, belong to the design of hydraulic and hydroelectric engineering building and build technical field. The utility model provides a building the sediment and collecting conveniently, simple structure can not cause a cross adfluxion sediment weir for hydraulic and hydroelectric engineering of river channel sedimentation again. Mistake adfluxion sediment weir including overflowing the weir body and laying the protective structure of the external side in weir overflows, collect cross the sediment of building of adfluxion sediment weir upstream side, through the protective structure that overflows be in stop at this upstream side of crossing adfluxion sediment weir under overflowing the support of personally experiencing sth. Part of the body on the weir, come from cross the rivers at the adfluxion sediment weir upper reaches, see through overflow protective structure with the weir body overflows and after enter cross the downstream side on adfluxion sediment weir.

Description

For the mistake adfluxion slag weir of Hydraulic and Hydro-Power Engineering
Technical field
The utility model relates to one and crosses adfluxion slag weir, especially relates to a kind of mistake adfluxion slag weir for Hydraulic and Hydro-Power Engineering, belongs to Hydraulic and Hydro-Power Engineering Building Design building technology field.
Background technology
In Hydraulic and Hydro-Power Engineering, dam abutment slope or river course bank slope excavation, current general technology arranges collection slag platform at river course bank slope toe to collect rock ballast, but because side slope is steep, the rock ballast that collection slag platform is collected is limited, and excavation rock ballast will enter river course, be brought into downstream by current, cause river channel sedimentation and soil erosion, simultaneously bank slope toe to build collection slag difficulty large.Therefore, study practicable rock ballast collection structure, meet engineering and ring water guaranteed request just becomes the developing active demand of art technology.
Utility model content
Technical problem to be solved in the utility model is: provide one to build slag and collect conveniently, structure is simple, can not cause again the mistake adfluxion slag weir for Hydraulic and Hydro-Power Engineering of river channel sedimentation.
: a kind of mistake adfluxion slag weir for Hydraulic and Hydro-Power Engineering that described mistake adfluxion slag weir comprises overcurrent weir body and the overcurrent protection structure of the external side, described overcurrent weir that is laid in for solving the problems of the technologies described above adopted technical scheme; What collect in described adfluxion slag weir upstream side excessively builds slag, under the support of described overcurrent weir body, the upstream side that this crosses adfluxion slag weir is blocked in by described overcurrent protection structure, from the described current crossing upstream, adfluxion slag weir, through entering the described downstream crossing adfluxion slag weir after described overcurrent protection structure and described overcurrent weir body.
Further, described overcurrent weir body is throwing grating rock ballast body, and described overcurrent protection structure is laid in the outside of described throwing grating rock ballast body.
The preferred embodiment of such scheme is, described overcurrent protection structure comprises permeable spats section, permeable protection against erosion section is peaceful presses through stream section, described permeable spats section is laid in the outside of the described overcurrent weir body below working water level, and described permeable protection against erosion section and described concora crush overcurrent section are laid in the outside of described overcurrent weir body more than working water level.
Be further, described permeable spats section comprises upper water riprap section, downstream erosion control support system and downstream water riprap section, described upper water riprap section is laid in the upstream outer of the described overcurrent weir body below working water level, described downstream water riprap section be laid in the described overcurrent weir body below working water level downstream outside; Described downstream erosion control support system comprises pile fender and is connected beam slab, described pile fender vertically vertically stretches into below the described overcurrent weir body in downstream, described pile fender is put the upper end staying external side, described overcurrent weir and is connected as a whole by described connection beam slab, described downstream erosion control support system is connected by the middle and upper part of described connection beam slab with described downstream water riprap section, and described downstream erosion control support system is connected with described concora crush overcurrent section by described connection beam slab.
The preferred embodiment of such scheme is, described downstream water riprap section comprises the filling stone riprap of bottom and the permeable protection against erosion laminate of reinforced gabion on top, and described connection beam slab is connected with the permeable protection against erosion laminate of described reinforced gabion.
Be further, described permeable protection against erosion section by the dry stone pitching of the described overcurrent weir body upstream side that is laid in, order be arranged in padding layer below described dry stone pitching and transition zone is formed, the upstream side of described permeable protection against erosion section is connected with described permeable spats section, and the downstream of described permeable protection against erosion section is connected with described concora crush overcurrent section.
The preferred embodiment of such scheme is, described concora crush overcurrent section comprises the concora crush concrete segmentation being provided with concora crush leaking hole, the dam crest impervious concrete segmentation being arranged in described concora crush concrete segment upstream side and is arranged in the toe platform concrete segmentation in concora crush concrete segment downstream, described concora crush overcurrent section is connected with described permeable protection against erosion section by described dam crest impervious concrete segmentation, and described concora crush overcurrent section is connected by described toe platform concrete segmentation and described connection beam slab.
Be further, in the below of the segmentation of described concora crush concrete, the segmentation of dam crest impervious concrete and the segmentation of toe platform concrete also order be provided with described padding layer and described transition zone, also geomembrane is provided with above described padding layer, the described thickness of dam crest impervious concrete segmentation transversely in vertical section is equal to each other, the described thickness of toe platform concrete segmentation transversely in vertical section is equal to each other, and described concora crush concrete segmentation is that the thickness of boundary line transversely in vertical section is thickening gradually with constuction joint.
The beneficial effects of the utility model are: comprise overcurrent weir body and the mistake adfluxion slag weir of the overcurrent protection structure of the external side, described overcurrent weir that is laid in by arranging one, and make to collect in described cross adfluxion slag weir upstream side build slag, under the support of described overcurrent weir body, the upstream side that this crosses adfluxion slag weir is blocked in by described overcurrent protection structure, from the described current crossing upstream, adfluxion slag weir, through entering the described downstream crossing adfluxion slag weir after described overcurrent protection structure and described overcurrent weir body.Again in conjunction with above-mentioned further modified node method, like this, just can carry out in the steps below when the mistake adfluxion slag weir described in building, first the rock ballast of throwing setting grating and the jackstone of setting particle diameter in natural river course, and after throwing goes out river course working water level, continue the overcurrent weir body that throwing forms setting structure build; Then on the surface of described overcurrent weir body, fill transition zone rock ballast material and the thin slag charge of padding layer of setting thickness; To construct on the thin slag charge of upstream side padding layer of described overcurrent weir body subsequently dry stone pitching, the weir crest of described overcurrent weir body, downstream and toe platform padding layer thereof are laid the geotextiles of setting specification; Then in described geotextiles, build the segmentation of concora crush concrete, the segmentation of dam crest impervious concrete and the segmentation of toe platform concrete; Then at downstream toe platform end construction concrete pile fender, and construction connects beam slab on this pile fender stake top; Last again in the permeable protection against erosion laminate of reinforced gabion that the laying of the top of body downstream, described overcurrent weir jackstone is at least two-layer, and be overall by described each reinforced gabion permeable protection against erosion laminate wire rope or bar connecting, complete the construction working on the mistake adfluxion slag weir described in.Because described mistake adfluxion slag weir only comprises overcurrent weir body and overcurrent protection structure, thus make described mistake adfluxion slag weir structure become very simple, and collect in described cross adfluxion slag weir upstream side build slag, under the support of described overcurrent weir body, the upstream side that this crosses adfluxion slag weir is blocked in by described overcurrent protection structure, from the described current crossing upstream, adfluxion slag weir, through entering the described downstream crossing adfluxion slag weir after described overcurrent protection structure and described overcurrent weir body, and then both can have been blocked in described mistake adfluxion slag weir to enter the rock ballast in river course, rock ballast is gone to river out and can not be caused river course downstream siltation, soil erosion causes the problems such as environmental protection, river course also can normal overcurrent, also can combine with the main foundation ditch water-retaining cofferdam in river course simultaneously and arrange, reduce construction investment.
Accompanying drawing explanation
Fig. 1 is the transverse sectional view of the utility model for the mistake adfluxion slag weir of Hydraulic and Hydro-Power Engineering;
Fig. 2 ~ Fig. 5 is respectively I, II, III, IV partial enlarged drawing of Fig. 1.
Be labeled as in figure: overcurrent weir body 1, permeable spats section 2, permeable protection against erosion section 3, concora crush overcurrent section 4, working water level 5, upper water riprap section 6, downstream erosion control support system 7, downstream water riprap section 8, pile fender 9, connect beam slab 10, fill stone riprap 11, the permeable protection against erosion laminate 12 of reinforced gabion, dry stone pitching 13, padding layer 14, transition zone 15, concora crush leaking hole 16, concora crush concrete segmentation 17, dam crest impervious concrete segmentation 18, toe platform concrete segmentation 19, geomembrane 20, constuction joint 21.
Detailed description of the invention
Be that the one that the utility model provides builds slag collection conveniently as shown in Figures 1 to 5, structure is simple, can not cause again the mistake adfluxion slag weir for Hydraulic and Hydro-Power Engineering of river channel sedimentation, and for building the described construction method crossing adfluxion slag weir.Described mistake adfluxion slag weir comprises the overcurrent protection structure outside overcurrent weir body 1 and the described overcurrent weir body 1 that is laid in; What collect in described adfluxion slag weir upstream side excessively builds slag, under the support of described overcurrent weir body 1, the upstream side that this crosses adfluxion slag weir is blocked in by described overcurrent protection structure, from the described current crossing upstream, adfluxion slag weir, through entering the described downstream crossing adfluxion slag weir after described overcurrent protection structure and described overcurrent weir body 1.In conjunction with the building stones situation of job site, in order to ensure the described discharge capacity crossing adfluxion slag weir, avoid to greatest extent occurring described alluvial of crossing adfluxion slag weir, described overcurrent weir body 1 is set to the structure of throwing grating rock ballast body, now described overcurrent protection structure is laid in the outside of described throwing grating rock ballast body.And in order to improve the water permeability of described overcurrent protection knot, described overcurrent protection structure is avoided to become alluvial body, the application has carried out detailed design to described overcurrent protection structure, concrete structure is as follows, described overcurrent protection structure comprises permeable spats section 2, permeable protection against erosion section 3 is peaceful presses through stream section 4, described permeable spats section 2 is laid in the outside of described overcurrent weir body 1 of working water level less than 5, and described permeable protection against erosion section 3 and described concora crush overcurrent section 4 are laid in the outside of described overcurrent weir body 1 of working water level more than 5.
Again in conjunction with the water situation of upstream, job site, overcurrent requires and builds dregs material, build character and the feature of slag building stones, the application is to described permeable spats section 2, the peaceful stream section 4 that presses through of permeable protection against erosion section 3 has done further refinement respectively, be arranged to comprise upper water riprap section 6 by described permeable spats section 2, the structure of downstream erosion control support system 7 and downstream water riprap section 8, described upper water riprap section 6 is laid in the upstream outer of described overcurrent weir body 1 of working water level less than 5, described downstream water riprap section 8 be laid in working water level less than 5 described overcurrent weir body 1 downstream outside, in order to prevent downstream current excessively washing away described overcurrent weir body 1, described downstream erosion control support system 7 is comprised pile fender 9 and the structure being connected beam slab 10, described pile fender 9 vertically vertically stretches into the described overcurrent weir body less than 1 in downstream, described pile fender 9 is put the upper end stayed outside described overcurrent weir body 1 and is connected as a whole by described connection beam slab 10, described downstream erosion control support system 7 is connected by the middle and upper part of described connection beam slab 10 with described downstream water riprap section 8, described downstream erosion control support system 7 is connected with described concora crush overcurrent section 4 by described connection beam slab 10.Now, the preferred embodiment of described downstream water riprap section 8 is comprise the filling stone riprap 11 of bottom and the permeable protection against erosion laminate 12 of reinforced gabion on top, and described connection beam slab 10 is connected with the permeable protection against erosion laminate 12 of described reinforced gabion.And described permeable protection against erosion section 3 is set to by the dry stone pitching 13 of described overcurrent weir body 1 upstream side that is laid in, order be arranged in the structure that padding layer 14 below described dry stone pitching 13 and transition zone 15 form, the upstream side of described permeable protection against erosion section 3 is connected with described permeable spats section 2, and the downstream of described permeable protection against erosion section 3 is connected with described concora crush overcurrent section 4; Described concora crush overcurrent section 4 is comprised the concora crush concrete segmentation 17 being provided with concora crush leaking hole 16, the dam crest impervious concrete segmentation 18 being arranged in described concora crush concrete segment 17 upstream side and be arranged in the toe platform concrete segmentation 19 in concora crush concrete segment 17 downstream, described concora crush overcurrent section 4 is connected with described permeable protection against erosion section 3 by described dam crest impervious concrete segmentation 18, and described concora crush overcurrent section 4 is connected with described connection beam slab 10 by described toe platform concrete segmentation 19.In conjunction with the architectural feature of existing loose rock dam, in described concora crush concrete segmentation 17, the below of dam crest impervious concrete segmentation 18 and toe platform concrete segmentation 19 also order be provided with described padding layer 14 and described transition zone 15, geomembrane 20 is also provided with above described padding layer 14, the described thickness of dam crest impervious concrete segmentation 18 transversely in vertical section is equal to each other, the described thickness of toe platform concrete segmentation 19 transversely in vertical section is equal to each other, described concora crush concrete segmentation 17 is that the thickness of boundary line transversely in vertical section is thickening gradually with constuction joint 21.
Like this, the mistake adfluxion slag weir of said structure just can adopt following steps to carry out having constructed, first the rock ballast of throwing setting grating and the jackstone of setting particle diameter in natural river course, and after throwing goes out river course working water level 5, continue the overcurrent weir body 1 that throwing forms setting structure build; Then on the surface of described overcurrent weir body 1, fill transition zone 14 rock ballast material and the thin slag charge of padding layer 15 of setting thickness; To construct on the thin slag charge of the upstream side padding layer 15 of described overcurrent weir body 1 subsequently dry stone pitching 13, the padding layer 15 of the weir crest of described overcurrent weir body 1, downstream and toe platform thereof is laid the geotextiles 20 of setting specification; Then in described geotextiles 20, build concora crush concrete segmentation 17, dam crest impervious concrete segmentation 18 and toe platform concrete segmentation 19; Then at downstream toe platform end construction pile fender 9, and beam slab 10 is connected in the construction of this pile fender 9 top; Last again in the permeable protection against erosion laminate 12 of reinforced gabion that the laying of the top of body 1 downstream, described overcurrent weir jackstone is at least two-layer, and be overall by permeable for each described reinforced gabion protection against erosion laminate 12 with wire rope or bar connecting, complete the construction working on the mistake adfluxion slag weir described in.Now, construct described in concora crush concrete segmentation 17, dam crest impervious concrete segmentation 18 and the concrete segmentation 19 of toe platform time, constuction joint 21 structure of broken-line type parting is all preferentially adopted between adjacent concrete block, and also bracing reinforcement is set at parting place while parting place adopts embedded overlap joint to connect, meanwhile, in described concora crush concrete segmentation 17 arrange concora crush drain hole 16 also while building indwelling shaping.

Claims (8)

1. for a mistake adfluxion slag weir for Hydraulic and Hydro-Power Engineering, it is characterized in that: described mistake adfluxion slag weir comprises overcurrent weir body (1) and the overcurrent protection structure in described overcurrent weir body (1) outside that is laid in; What collect in described adfluxion slag weir upstream side excessively builds slag, under the support of described overcurrent weir body (1), the upstream side that this crosses adfluxion slag weir is blocked in by described overcurrent protection structure, from the described current crossing upstream, adfluxion slag weir, through entering the described downstream crossing adfluxion slag weir after described overcurrent protection structure and described overcurrent weir body (1).
2. the mistake adfluxion slag weir for Hydraulic and Hydro-Power Engineering according to claim 1, is characterized in that: described overcurrent weir body (1) is throwing grating rock ballast body, and described overcurrent protection structure is laid in the outside of described throwing grating rock ballast body.
3. the mistake adfluxion slag weir for Hydraulic and Hydro-Power Engineering according to claim 1, it is characterized in that: described overcurrent protection structure comprises permeable spats section (2), permeable protection against erosion section (3) is peaceful presses through stream section (4), described permeable spats section (2) is laid in the outside of working water level (5) described overcurrent weir body (1) below, and described permeable protection against erosion section (3) and described concora crush overcurrent section (4) are laid in the outside of described overcurrent weir body (1) more than working water level (5).
4. the mistake adfluxion slag weir for Hydraulic and Hydro-Power Engineering according to claim 3, it is characterized in that: described permeable spats section (2) comprises upper water riprap section (6), downstream erosion control support system (7) and downstream water riprap section (8), described upper water riprap section (6) is laid in the upstream outer of working water level (5) described overcurrent weir body (1) below, described downstream water riprap section (8) be laid in working water level (5) described overcurrent weir body (1) below downstream outside, described downstream erosion control support system (7) comprises pile fender (9) and is connected beam slab (10), described pile fender (9) vertically vertically stretches into described overcurrent weir body (1) in downstream below, described pile fender (9) is put the upper end staying described overcurrent weir body (1) outside and is connected as a whole by described connection beam slab (10), described downstream erosion control support system (7) is connected by the middle and upper part of described connection beam slab (10) with described downstream water riprap section (8), described downstream erosion control support system (7) is connected with described concora crush overcurrent section (4) by described connection beam slab (10).
5. the mistake adfluxion slag weir for Hydraulic and Hydro-Power Engineering according to claim 4, it is characterized in that: described downstream water riprap section (8) comprises the filling stone riprap (11) of bottom and the permeable protection against erosion laminate (12) of reinforced gabion on top, and described connection beam slab (10) is connected with the permeable protection against erosion laminate (12) of described reinforced gabion.
6. the mistake adfluxion slag weir for Hydraulic and Hydro-Power Engineering according to claim 4, it is characterized in that: described permeable protection against erosion section (3) is made up of the dry stone pitching (13) of described overcurrent weir body (1) upstream side that is laid in, the padding layer (14) being arranged in described dry stone pitching (13) below of order and transition zone (15), the upstream side of described permeable protection against erosion section (3) is connected with described permeable spats section (2), and the downstream of described permeable protection against erosion section (3) is connected with described concora crush overcurrent section (4).
7. the mistake adfluxion slag weir for Hydraulic and Hydro-Power Engineering according to claim 6, it is characterized in that: described concora crush overcurrent section (4) comprises the concora crush concrete segmentation (17) being provided with concora crush leaking hole (16), be arranged in the dam crest impervious concrete segmentation (18) of described concora crush concrete segmentation (17) upstream side and be arranged in toe platform concrete segmentation (19) in concora crush concrete segmentation (17) downstream, described concora crush overcurrent section (4) is connected with described permeable protection against erosion section (3) by described dam crest impervious concrete segmentation (18), described concora crush overcurrent section (4) is connected by described toe platform concrete segmentation (19) and described connection beam slab (10).
8. the mistake adfluxion slag weir for Hydraulic and Hydro-Power Engineering according to claim 7, it is characterized in that: in described concora crush concrete segmentation (17), the below of dam crest impervious concrete segmentation (18) and toe platform concrete segmentation (19) also order be provided with described padding layer (14) and described transition zone (15), geomembrane (20) is also provided with in the top of described padding layer (14), described dam crest impervious concrete segmentation (18) thickness transversely in vertical section is equal to each other, described toe platform concrete segmentation (19) thickness transversely in vertical section is equal to each other, described concora crush concrete segmentation (17) with constuction joint (21) for the thickness of boundary line transversely in vertical section is thickening gradually.
CN201520470287.4U 2015-07-02 2015-07-02 A cross adfluxion sediment weir for hydraulic and hydroelectric engineering Active CN204875703U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104947630A (en) * 2015-07-02 2015-09-30 中国电建集团成都勘测设计研究院有限公司 Over-current slag collecting weir for water conservancy and hydropower engineering and construction method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104947630A (en) * 2015-07-02 2015-09-30 中国电建集团成都勘测设计研究院有限公司 Over-current slag collecting weir for water conservancy and hydropower engineering and construction method thereof

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