Multi-arch high toe wall of concrete faced rockfill dam

A technology of face rockfill dam and high toe wall, which is applied in dams, barrages, water conservancy projects, etc., can solve the problems of hidden safety hazards, long construction period, large engineering volume, etc., and achieves strong interlayer shear resistance, concrete use The effect of small amount and small hydration temperature rise

Inactive Publication Date: 2021-09-07
CHINA WATER RESOURCES BEIFANG INVESTIGATION DESIGN & RES
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Problems solved by technology

Its engineering volume is large, the construction period is long, the investment is large, and there are hidden safety hazards mentioned above

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  • Multi-arch high toe wall of concrete faced rockfill dam
  • Multi-arch high toe wall of concrete faced rockfill dam

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[0013] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only part of the embodiments of the present invention, not all embodiments, based on The embodiments of the present invention and all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0014] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "top / bottom" etc. are based on the orientations shown in the drawings Or positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred t...

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Abstract

The invention discloses a multi-arch high toe wall of a concrete faced rockfill dam. The concrete faced rockfill dam comprises a face plate, a cushion layer, a transition material, a toe plate, a toe wall, a water stop, a main rockfill area, a secondary rockfill area and a wave wall, the toe wall adopts a multi-arch shape, and each arch unit comprises a middle arch high toe wall with an arch crown facing the upstream and longitudinal supporting walls which are located at the two ends of the arch high toe wall and extend in the downstream direction, and the arch high toe walls and the longitudinal supporting walls are arranged in a covering layer and located on a bed rock. The arch high toe walls are light in structure, water pressure transmitted from the front end is transmitted to the longitudinal supporting walls, and the overall stability of the wall is guaranteed. Due to the existence of longitudinal support beams, the longitudinal rigidity is increased, and the deformation of the wall is reduced. The dam body water leakage problem caused by the fact that a traditional high toe wall deforms too much and crushes a face plate is avoided, the work amount is greatly reduced, the construction speed is higher, and investment is saved.

Description

technical field [0001] The invention relates to an earth-rockfill dam, in particular to a multi-arch high toe wall of a face rockfill dam. Background technique [0002] For the purpose of benefiting and eliminating harm, humans have built many water conservancy projects on rivers and rivers all over the world. Among them, the reservoir projects for damming and storing water occupy an important position, and the barrage is the most important part of the reservoir projects. Due to the advantages of making full use of local materials, soil-based anti-seepage dams are the most widely used and fastest-growing dam type in dam construction around the world. According to different construction methods, earth-rockfill dams can be divided into: rolling earth-rockfill dams, throwing fill rockfill dams, directional blasting dams, hydraulic filling dams, and submerged earth-fill dams, among which rolling earth-rockfill dams are the most widely used Types of. [0003] The face rockfill ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B7/06E02B3/16
CPCE02B7/06E02B3/16
Inventor 王立成张龑刘顺萍岳丽丽卫力王伟冯美玲席婧娅李云霞刘柳谷欣玉
Owner CHINA WATER RESOURCES BEIFANG INVESTIGATION DESIGN & RES
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