Water permeable masonry tailing dam structure
A technology of stone masonry and mortar masonry, which is applied in the direction of dams, barrages, weirs, etc., to achieve the effect of increasing the interception effect and increasing the flow section
Active Publication Date: 2015-04-29
YELLOW RIVER ENG CONSULTING
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Problems solved by technology
However, due to the complexity and diversity of hydraulics, topography, geology and conditions of use, the rockfill structure as a slag dam is not necessarily suitable for all projects. Therefore, the use of appropriate slag dams according to local conditions is important to ensure the safety and convenience of the project. Engineering application and management are crucial
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[0015] like figure 1 , 2 As shown, the permeable stone masonry slag retaining dam structure according to the present invention includes a dam body 2 built by mortar masonry 1, and the dam crest of the dam body 2 is a "concave" shape drainage arranged along the horizontal direction. The structure of the alveolar 3; the upper, middle and lower parts of the dam body 2 are respectively arranged along the horizontal direction with the auxiliary drainage holes 4 in the upper part of the dam body, the main drainage holes 5 in the middle part of the dam body, and the auxiliary drainage holes 6 in the lower part of the dam body; The size of the main drainage hole 5 in the middle of the dam body is 0.5m×0.5m, and the size of the auxiliary drainage hole 4 on the upper part of the dam body and the auxiliary drainage hole 6 on the lower part of the dam body are both 0.3m×0.3m; The orifice size of the secondary drainage hole 6 in the lower part of the dam body is smaller than the orifice s...
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The invention discloses a water permeable masonry tailing dam structure which comprises a dam body formed by grout masonry, wherein the dam top of the dam body is of a convex drain tooth groove structure arranged in the horizontal direction in arraying mode. A dam body upper portion auxiliary drain hole, a dam body middle portion main drain hole and a dam body lower portion auxiliary drain hole which are of square structures are arranged on the upper portion, the middle portion and the lower portion of the dam body in the horizontal direction in arraying mode. The hole opening size of the dam body upper portion auxiliary drain hole and the dam body lower portion auxiliary drain hole is smaller than that of the dam body middle portion main drain hole. The groove width of the convex drain tooth groove is smaller than the groove height. The water permeable masonry tailing dam structure has the advantages of achieving the purposes of reasonably and effectively intercepting bed loads and draining water flow through drain channels arranged on different portions of the dam body and having different hole opening sizes and shapes, is simple in structure and small in work amount and saves investment cost.
Description
technical field [0001] The invention relates to a slag dam in water conservancy and hydropower projects, in particular to a permeable masonry slag dam structure. Background technique [0002] In water conservancy and hydropower projects, the upper reaches of rivers, especially mountainous rivers, tend to drift with the current a large number of thrust and suspension masses. If these thrust and suspension masses, especially the thrust masses, are not blocked, they will rush downstream with the current at will. , will cause great harm to the water conservancy and hydropower projects in the lower reaches of the river. In order to control the flow of water and reduce the impact on downstream water conservancy projects, it is often necessary to build a slag dam in the upstream of the river where the water conservancy project is located to intercept the flow of water. The slag check dam must not only serve the purpose of intercepting, pushing and suspending mass, but also allow t...
Claims
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IPC IPC(8): E02B7/06
Inventor 刘军杨顺群李泽民刘许超卢玲李艳包芬芬韩健许凯
Owner YELLOW RIVER ENG CONSULTING