Model Test Study on Dam Failure in Tailings Pond

Qi, Qinglan; Zhang, Liting; Wang, Xiaogang; Zhang, Shaoxiong; Fei, LV

doi:10.1088/1755-1315/304/2/022057

Cited by 2 publications

(2 citation statements)

References 1 publication

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“…The geomorphological conditions in the area are not conducive to the enrichment of groundwater. The main aquifer is limestone aquifer with low water content and simple hydrogeological conditions [11]. The rock stratum has complex structures, many faults, widely distributed joints, and the rock is very broken, which belongs to the mediumcomplex type of engineering geological conditions.…”

Section: Sensor Layout Of Tailings Pondmentioning

confidence: 99%

[Retracted] Uncertainty Analysis of Key Influencing Factors on Stability of Tailings Dam Body

Qian

Kepeng

2023

Journal of Sensors

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With the continuous expansion of the mining scale of mineral resources, many tailings are produced. In order to avoid the impact of harmful substances in the tailings on the residents around the tailings pond, it is necessary to explain the stability improvement. The dam safety monitoring system is mainly composed of observation sensors, telemetry data acquisition module, industrial control network, and automatic monitoring system. Through the work of the computer, the dam observation data can be automatically collected, processed, analyzed, and calculated. This paper adopts the automated system that makes preliminary judgments and graded alarms on whether the dam’s behavior is normal or not to provide early safety warning reports for monitoring objects. In this paper, combined with a specific example of a tailings reservoir dam body, the comprehensive uncertainty method is used to analyze factors such as the height of the tailings dam, the height of the wetting line, the cohesion of the tailings soil layer, and the internal friction angle, and the stability of the dam body is calculated. The results show that the sensitivity order of the dam stability safety factor K to each factor is as follows: internal friction angle of the tailing silt layer > the height of the wetting line > dam body height > the cohesion of the tailing silt layer. The most dangerous slip surface will jump at the 19-level subdam of the tailings pond. The remediation measures are of great significance for maintaining the ecology around the tailings pond and ensuring the personal safety of residents.

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Section: Sensor Layout Of Tailings Pondmentioning

confidence: 99%

[Retracted] Uncertainty Analysis of Key Influencing Factors on Stability of Tailings Dam Body

Qian

Kepeng

2023

Journal of Sensors

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“…Liu [17] designed a physical model of a tailings pond using the similarity model theory and observed the evolution of the discharged flood. Qi et al [18,19] conducted a physical test on the break of a drainage system, which led to the continuous rise of the phreatic line and induced dam break, summarizing the modes and phenomena of damage caused by the drainage break. Yin et al [20] studied the evolution law and dynamic characteristics of debris flow after a tailings dam breakthrough using a similar simulation test.…”

Section: Introductionmentioning

confidence: 99%

Impact of inundation range of overtopping dam break of tailings pond under actual terrain conditions

Du,

Niu,

et al. 2023

PLoS ONE

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Tailing ponds are a major hazard source with the risk of dam breaks. To predict the impact of tailings pond dam breaks more accurately, one needs to quantitatively understand the dam-breaking process of the tailings reservoir and its downstream impact. This study is based on an old tailings pond that is about to be put out of service and the proposed new tailings pond next to it. Study the inundation range of the new and old tailing ponds with simultaneous overtopping dam breaks under actual terrain conditions. First, fine-grained tailings and expanded perlite were selected as the model sand materials, and the appropriate model sand ratio was determined through laboratory tests. Second, the two tailings ponds were tested (at a scale of 1:200), for flood overtopping and simultaneous dam breaks. The dam break, flow, section morphology evolution, submerged elevation, and range were analyzed. Finally, a numerical model was developed using MIKE 21 to simulate the simultaneous overtopping and collapse of the new and old tailings ponds, and the impact of rainfall intensity on the inundation range of the simultaneous overtopping of the dam was analyzed. The research results will guide disaster prevention and mitigation in tailings reservoirs.

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Model Test Study on Dam Failure in Tailings Pond

Cited by 2 publications

References 1 publication

[Retracted] Uncertainty Analysis of Key Influencing Factors on Stability of Tailings Dam Body

[Retracted] Uncertainty Analysis of Key Influencing Factors on Stability of Tailings Dam Body

Impact of inundation range of overtopping dam break of tailings pond under actual terrain conditions

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