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Concrete panel structure and construction method using high toe wall

A technology of concrete slabs and high-toe walls, applied in the direction of dams, barrages, weirs, etc., can solve the problems of the overall stability of the slab, large excavation depth, and the smooth connection of the surrounding toe slabs, etc., to achieve safety and reliability Strengthening, smoothing the axis, and increasing the overall stability

Active Publication Date: 2017-03-22
POWERCHINA HUADONG ENG COPORATION LTD
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, in actual engineering, due to the influence of geological and topographical conditions, the excavation depth of the foundation in some areas of the plinth may be relatively large, so that the plinth at this part cannot be smoothly connected with the surrounding plinth; at the same time, the foundation surface of the plinth has large fluctuations Have a certain impact on the overall stability of the panel

Method used

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  • Concrete panel structure and construction method using high toe wall
  • Concrete panel structure and construction method using high toe wall
  • Concrete panel structure and construction method using high toe wall

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Embodiment Construction

[0019] Such as figure 1 , figure 2 As shown, the present embodiment is a concrete panel structure and construction method using a high toe wall. The structure includes a concrete panel 6, a rockfill layer 12 below the concrete panel, a plinth 10 arranged around the concrete panel 6, and The toe slab 10 arranged along the mountain slope is excavated to form a side slope 9 of 1:0.5; In between, an asphaltic sand cushion 11 is arranged near the toe wall 1.

[0020] In this embodiment, the side of the toe wall 1 close to the concrete panel 6 is a slope whose bottom expands outwards and connects with the rockfill layer 12. The slope is 1:N, and N=0.3~0.7. The upper part of the slope should be as close as possible to the concrete. The panels 6 are connected orthogonally; the side of the toe wall 1 next to the side slope 9 is a balance platform, and forms an inverted trapezoidal groove with the side slope, and the groove is backfilled with gravel material 8; the toe wall 1 and the...

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Abstract

The invention relates to a concrete panel structure applied to a high-toe wall and a construction method, in order to improve stress and deformation conditions of a toe board and the overall stability of a panel, thereby improving the operation safety and reliability of a project. The concrete panel structure is characterized in that the concrete panel structure applied to the high-toe wall is provided with a concrete panel, toe boards arranged at the periphery of the concrete panel, and a rock-filled layer below the concrete panel; the toe boards arranged along a side slope of a mountain body is excavated to form a side surface slope with the gradient of 1:0.5; a balance weight type toe wall is arranged between the side surface slope and the concrete panel; a slope with the bottom extending outward is arranged on one side, close to the concrete panel, of the balance weight type toe wall; a balance weight platform is arranged on one side, close to the side surface slope, of the balance weight type toe wall; a groove of which the cross section is in an inverse-trapezoid shape is formed between the balance weight platform and the side surface slope; the groove is backfilled with rock ballast; the concrete panel is vertically connected with the balance weight type toe wall; and a water stop system is arranged in a connection seam formed by the concrete panel and the balance weight type toe wall.

Description

technical field [0001] The invention relates to a concrete panel structure using a high toe wall and a construction method. It is mainly applicable to similar projects in concrete face rockfill dam projects where the toe slab cannot be arranged smoothly due to geological and topographical conditions and other factors. Background technique [0002] In the concrete face rockfill dam project, the toe slab has higher requirements on the foundation. The "Code for Design of Concrete Face Rockfill Dams" (DL / T5016-2011) stipulates that the toe slab should be placed on a hard, non-erosive and groutable Weakly weathered, weakly unloaded onto fresh bedrock. However, in actual engineering, due to the influence of geological and topographical conditions, the excavation depth of the foundation in some areas of the plinth may be relatively large, so that the plinth at this part cannot be smoothly connected with the surrounding plinth; at the same time, the foundation surface of the plinth...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B7/06
Inventor 熊燕梅吴森华覃昕慧
Owner POWERCHINA HUADONG ENG COPORATION LTD
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