Study of using internal dumping increase angle of end wall in open pits

ZHU Yu-sheng; HE Yong-nian

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Study of using internal dumping increase angle of end wall in open pits

更新时间：2026-06-25

- Study of using internal dumping increase angle of end wall in open pits
- Vol. 29, Issue 5, (2008)
- 作者机构：
  
  1. 中国矿业大学建工学院,江苏,徐州,221008
  2. 徐州建筑职业技术学院土木工程系,江苏,徐州,221008
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU43
- Online First：24 July 2013，
  
  Published：2008
- 稿件说明：
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ZHU Yu-sheng, HE Yong-nian. Study of using internal dumping increase angle of end wall in open pits[J]. 2008, 29(5).
DOI：

ZHU Yu-sheng, HE Yong-nian. Study of using internal dumping increase angle of end wall in open pits[J]. 2008, 29(5). DOI：

摘要

在有、无内排土条件下，对6个均质边坡模型和伊敏一露天矿边坡模型的端帮边坡角进行了数值模拟计算与分析。结果表明，在安全系数不变的前提下内排土可以提高露天矿端帮边坡的最大稳定边坡角，从而减少了剥离量或增加采出矿石量，降低剥采比，提高矿山经济效益。

Abstract

At the conditions of internal dumping and non-internal dumping

six homogeneous slope models and the slope model of the 1st Yimin open pit are founded

and solved these model’s angle of the end wall by FLAC3D program. The analyzed results demonstrated that the internal dumping can increase the maximum stable angle of the end wall in open pits at the same safety factor. So

using the internal dumping can decrease the waste volume or increase the ore’s production

reduce the stripping ratio

improve the mine’s economic benefit.

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