Beach face gradient inclination observation system and application method thereof after closing of tailing warehouse

Abstract

The invention discloses a beach face gradient inclination observation system and application method thereof after the closing of a tailing warehouse. A beach face gradient observation device (A) is arranged on a rear observation profile after the warehouse is closed; wherein the observation profile is arranged along the gradient direction of the beach face, the profile distance (L) is 30 to 50 meters, and the distance between two neighbored beach face gradient observation devices (A) on the observation profiles is 40 to 60 meters. Each beach face gradient observation device (A) is composed of a pile head, a pile body, and a base. In the later period, the elevation change of the beach face can be judged by observing the geographical position relationship between a single beach face gradient observation device (A) and a mark line (2). Through observing the geographical position relationship between a single beach face gradient observation device (A) and a mark line (2), the change situation of beach face gradient between two beach face gradient observation devices (A) can also be determined. The provided system and method have the advantages of low engineer cost, simple observation method, durability, and easy installation and distribution, and can be used to measure various ground gradients.

Description

technical field [0001] The invention belongs to the field of tailings reservoir closure control engineering, and in particular relates to a closed tailings reservoir beach slope inclination observation system and a use method thereof, which can be widely used in the tailings reservoir beach slope inclination observation after closure. Background technique [0002] Tailings pond is an artificially formed high-level debris flow hazard source, and it is one of the major hazard sources in non-coal mines. After the tailings dam is closed, there are many factors affecting its long-term stability, among which the slump and failure of the tailings dam due to the excessively high groundwater level in the dam is the most common. After the tailings pond is closed, flood regulation is generally no longer carried out in the pond, and the drainage system in the pond is usually arranged according to the principle that the incoming water on the beach surface of the pond is immediately disc...

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Problems solved by technology

[0006] (1) After the tailings pond is closed, the safety management personnel do not use observation equipment to check the slope of the beach, but only rely on eye observation, which is greatly influenced by human factors, and cannot timely and accurately detect changes in the slope and tendency of the beach;

[0007] (2) After the tailings pond is closed, farming activities on the beach surface can easily lead to changes in the slope of the beach surface, and observation with the eyes cannot directly attract the attention and attention of the cultivators;

[0008] (3) After the tailings pond is closed, the slope of the beach is generally slow, the beach area in the pond is large, and the management manpower is insufficient. If measuring instruments are used to observe the slope of the beach, the workload will be heavy, the cost will be high, and the enthusiasm of the enterprise will be poor. It is not conducive to the development of management work after the warehouse is closed

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