Title: STUDY ON COMBINED EFFECT OF NATURAL DEBRIS FLOW AND MINE DEBRIS FLOW AND PREVENTION COUNTERMEASURES
Abstract:The Hou gully in Shimian County is a typical debris-flow gully where either natural debris flow or mine debris flow can occur.This paper is based on the investigation and analysis on the deposition ch...The Hou gully in Shimian County is a typical debris-flow gully where either natural debris flow or mine debris flow can occur.This paper is based on the investigation and analysis on the deposition characteristics of former natural debris flows in history,mine debris flows since exploitation of mineral resource in recent years and the combined debris flow occurred on July 4,2013.The combined effect of natural debris flow and mine debris flow is summarized in the following five aspects:(1) the multi effect of the solid materials supplying for debris flow,(2)the reversal effects of debris flow development and evolution,(3) the complex effect in debris flow initiation and occurrence process,(4) the amplification effect in debris flow downstream transporting process and(5) the chain effect during debris flow damaging process.In addition,prevention countermeasures are put forward for the Hou gully debris flow at the end of this paper.It is suggested that the control works built at the middle stream for the blocking of natural debris flow can play the key role to ensure the effective and comprehensive prevention and engineering control works for preventing the mining slags at the lower stream from failure and initiation.Read More
Publication Year: 2014
Publication Date: 2014-01-01
Language: en
Type: article
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