CN204875665U - A power station tailrace barricade that is used for medium thickness sand gravel basis - Google Patents
A power station tailrace barricade that is used for medium thickness sand gravel basis Download PDFInfo
- Publication number
- CN204875665U CN204875665U CN201520661493.3U CN201520661493U CN204875665U CN 204875665 U CN204875665 U CN 204875665U CN 201520661493 U CN201520661493 U CN 201520661493U CN 204875665 U CN204875665 U CN 204875665U
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- wall
- barricade
- pile
- castinplace
- reinforced concrete
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Abstract
The utility model discloses a power station tailrace barricade that is used for medium thickness sand gravel basis, include as the polylith reinforced concrete wall of power station tailrace barricade and a plurality of wall body bored concrete piles of being arranged in reinforced concrete wall, be provided with a tensile bored concrete pile between two adjacent wall body bored concrete piles, apart from the certain distance at reinforced concrete wall back, be provided with the contact straining beam between tensile bored concrete pile and adjacent two the wall body bored concrete piles, also be provided with the contact straining beam between two adjacent tensile bored concrete piles. The utility model discloses a fill in the original state topography and form the novel retaining wall structure of power station tailrace and replace the design of original tailrace barricade, the effectual problem of having solved that conventional barricade deep foundation excavates on a large scale, the energy consumption is big, engineering cost is on the high side and having influenced the environment.
Description
Technical field
The utility model relates to power plant tail water canal barricade, is mainly used in the power plant tail water canal barricade on intermediate gauge sand gravel basis.
Background technology
Traditional power plant tail water canal barricade design is based on gravity, cantilevered and hold up arm-type barricade, above conventional barricade form according to self antiskid, anti-ly to incline and the requirement such as anti-floating, often require that design section is larger, engineering quantity and earthwork evacuation amount corresponding very large, long construction period, and need extensive excavation and backfill in original state landform, destroy natural topography and geomorphology, certain destruction is caused to environment.In addition, when after retaining wall foundation excavation, general form darker foundation ditch, be ensure dry work operation, must carry out drainage of foundation pit simultaneously, and the transmission coefficient of sand gravel is comparatively large, foundation ditch water percolating capacity is comparatively large, and segment length when causing drainage of foundation pit, costly, energy consumption is large.
Utility model content
Technical problem to be solved in the utility model is, there is provided a kind of power plant tail water canal barricade on intermediate gauge sand gravel basis of simple and practical, easy construction, effectively solving extensive excavation affects environment, energy consumption is large and construction costs is higher problem.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of power plant tail water canal barricade on intermediate gauge sand gravel basis, comprise the polylith reinforced concrete wall as power plant tail water canal barricade and the multiple body of wall castinplace piles being arranged in reinforced concrete wall, between two adjacent body of wall castinplace piles, certain distance apart from reinforced concrete wall back is provided with a tension castinplace pile, be provided with between tension castinplace pile and adjacent two body of wall castinplace piles and contact straining beam, also contact straining beam is provided with between two adjacent tension castinplace piles.
Reinforcing bar is provided with in described body of wall castinplace pile, tension castinplace pile and contact straining beam.
The construction method of the above-mentioned power plant tail water canal barricade on intermediate gauge sand gravel basis, comprises the following steps:
(1) the barricade position of implementing body of wall castinplace pile, reinforced concrete wall, tension castinplace pile and contact straining beam is needed on undisturbed soil earth's surface, pore-creating grooving;
(2) colligation body of wall castinplace pile reinforcing bar together and reinforced concrete wall reinforcing bar are lifted in the slotted eye of formation, concreting; Then lift tension castinplace pile pile body reinforcing bar, build tension cast-in-place pile concrete, the contact of colligation simultaneously straining beam reinforcing bar, builds straining beam concrete;
(3) after treating that concrete strength meets the demands, excavate reinforced concrete wall near water side undisturbed soil expose body of wall to tailwater channel base plate foundation plane, Retaining wall completes.
The beneficial effects of the utility model are: avoid the feature that traditional barricade excavated volume is large and construction costs is high, and the method is more friendly to environment.In practice process, due to castinplace pile and diaphragm wall technology comparative maturity, so construction quality and construction speed ensure to some extent.
Accompanying drawing explanation
Fig. 1 is the power plant tail water canal barricade plane structure arrangement diagram of the utility model on intermediate gauge sand gravel basis.
Fig. 2 is the utility model cross-sectional configuration schematic diagram.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As shown in Figure 1, power plant tail water canal barricade on intermediate gauge sand gravel basis of the present utility model, comprise the polylith reinforced concrete wall 2 as power plant tail water canal barricade and the multiple body of wall castinplace piles 1 being arranged in reinforced concrete wall, a tension castinplace pile 3 is provided with between two adjacent body of wall castinplace piles 1, apart from the certain distance at reinforced concrete wall 2 back, be provided with between tension castinplace pile 3 and adjacent two body of wall castinplace piles 1 and contact straining beam 4, between two adjacent tension castinplace piles 3, be also provided with contact straining beam 4.
Reinforcing bar is provided with in described body of wall castinplace pile 1, tension castinplace pile 3 and contact straining beam 4.
The construction method of the above-mentioned power plant tail water canal barricade on intermediate gauge sand gravel basis, comprises the following steps:
(1) the barricade position of implementing body of wall castinplace pile, reinforced concrete wall, tension castinplace pile and contact straining beam is needed on undisturbed soil earth's surface, pore-creating grooving;
(2) colligation body of wall castinplace pile reinforcing bar together and reinforced concrete wall reinforcing bar are lifted in the slotted eye of formation, concreting; Then lift tension castinplace pile pile body reinforcing bar, build tension cast-in-place pile concrete, the contact of colligation simultaneously straining beam reinforcing bar, builds straining beam concrete;
(3) after treating that concrete strength meets the demands, excavate reinforced concrete wall near water side undisturbed soil expose body of wall to tailwater channel base plate foundation plane, Retaining wall completes.
Specifically, (at the bottom of hole, the degree of depth enters basement rock for the body of wall hole for grout pile that between the utility model excavates on pre-existing topography basis, array pitch is certain and tension hole for grout pile, the overturning or slip resistance analysis that penetration depth meets body of wall calculating requires), and between body of wall castinplace pile 1 stake holes fluting (bottom land elevation enters basement rock >=1m, or can determine to enter 2m under the Bottom Altitude of tailwater channel base plate according to groundwater table, base plate need establish draining), adjacent priming concrete pile hole diaphragm wall is linked together.Every section of wall length should not be greater than 20m, can adopt the form of three pile two face walls or four pile three face walls, then lifts in the slotted eye of formation by colligation body of wall castinplace pile 1 reinforcing bar 5 together and reinforced concrete wall 2 reinforcing bar 6, concreting; Then the tension castinplace pile 3 after wall and contact straining beam 4 is implemented, lifting tension castinplace pile pile body reinforcing bar 8, build tension cast-in-place pile concrete, colligation can contact straining beam reinforcing bar 7 simultaneously, build straining beam concrete, after treating concrete wall, castinplace pile, straining beam completion acceptance, concrete wall side undisturbed soil near water can be excavated, carry out tailwater channel section bottom parts excavation and pouring concrete construction, tailwater channel is shaped substantially.
The above example is only for illustration of technological thought of the present utility model and feature, its object is to those skilled in the art can understand content of the present utility model and implement according to this, only can not limit the scope of the claims of the present utility model with this example, namely the equal change that the spirit that all the utility model disclose is done or modification, still drop in scope of the present utility model.
Claims (2)
1. the power plant tail water canal barricade on intermediate gauge sand gravel basis, it is characterized in that, comprise as power plant tail water canal barricade polylith reinforced concrete wall (2) and be arranged in multiple body of wall castinplace piles (1) of reinforced concrete wall, between two adjacent body of wall castinplace piles (1), certain distance apart from reinforced concrete wall (2) back is provided with a tension castinplace pile (3), be provided with between tension castinplace pile (3) and adjacent two body of wall castinplace piles (1) and contact straining beam (4), also contact straining beam (4) is provided with between two adjacent tension castinplace piles (3).
2. the power plant tail water canal barricade on intermediate gauge sand gravel basis according to claim 1, it is characterized in that, in described body of wall castinplace pile (1), tension castinplace pile (3) and contact straining beam (4), be provided with reinforcing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520661493.3U CN204875665U (en) | 2015-08-28 | 2015-08-28 | A power station tailrace barricade that is used for medium thickness sand gravel basis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520661493.3U CN204875665U (en) | 2015-08-28 | 2015-08-28 | A power station tailrace barricade that is used for medium thickness sand gravel basis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204875665U true CN204875665U (en) | 2015-12-16 |
Family
ID=54820057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520661493.3U Withdrawn - After Issue CN204875665U (en) | 2015-08-28 | 2015-08-28 | A power station tailrace barricade that is used for medium thickness sand gravel basis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204875665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040639A (en) * | 2015-08-28 | 2015-11-11 | 中水北方勘测设计研究有限责任公司 | Power station tail water channel retaining wall used on medium-thickness sand gravel foundation and construction method of power station tail water channel retaining wall |
-
2015
- 2015-08-28 CN CN201520661493.3U patent/CN204875665U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040639A (en) * | 2015-08-28 | 2015-11-11 | 中水北方勘测设计研究有限责任公司 | Power station tail water channel retaining wall used on medium-thickness sand gravel foundation and construction method of power station tail water channel retaining wall |
| CN105040639B (en) * | 2015-08-28 | 2017-03-29 | 中水北方勘测设计研究有限责任公司 | For power plant tail water canal barricade and its construction method on the basis of intermediate gauge sand gravel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20170329 |
|
| AV01 | Patent right actively abandoned |