Strength model of cemented backfill in subsequent filling at the stage of open stope and its application

WANG Jun; QIAO Deng-pan; HAN Run-sheng; LI Guang-tao; XIE Jin-cheng

doi:10.16285/j.rsm.2017.1771

English Version Journal Login

您当前的位置：

首页 >

文章列表页 >

Strength model of cemented backfill in subsequent filling at the stage of open stope and its application

更新时间：2026-06-25

- Strength model of cemented backfill in subsequent filling at the stage of open stope and its application
- Vol. 40, Issue 3, Pages: 1105-1112(2019)
- 作者机构：
  
  1. 昆明理工大学国土资源工程学院
  2. 玉溪矿业有限公司
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2017.1771
  CLC： TD853.343
- Published：2019
- 稿件说明：
移动端阅览
[1]王俊,乔登攀,韩润生,李广涛,谢锦程.阶段空场嗣后充填胶结体强度模型及应用[J].岩土力学,2019,40(03):1105-1112.

WANG Jun, QIAO Deng-pan, HAN Run-sheng, et al. Strength model of cemented backfill in subsequent filling at the stage of open stope and its application[J]. 2019, 40(3): 1105-1112.
[1]王俊,乔登攀,韩润生,李广涛,谢锦程.阶段空场嗣后充填胶结体强度模型及应用[J].岩土力学,2019,40(03):1105-1112. DOI： 10.16285/j.rsm.2017.1771.

WANG Jun, QIAO Deng-pan, HAN Run-sheng, et al. Strength model of cemented backfill in subsequent filling at the stage of open stope and its application[J]. 2019, 40(3): 1105-1112. DOI： 10.16285/j.rsm.2017.1771.

摘要

以两步骤阶段空场嗣后充填胶结体所需强度为研究对象

通过分析胶结充填体在空区所起的力学作用

认为胶结充填体的力学作用主要表现为改善顶板岩体受力状态支撑顶板破碎岩体、为采场围岩提供侧限压力、抵抗采场闭合和限制尾砂流动。基于胶结充填体剪切破坏机制引起的垮塌

充分考虑影响充填体稳定因素

借助楔体滑动理论分析充填体滑移面上具有滑移趋势三维楔体的极限平衡状态

推导出胶结充填体危险力学环境（一侧临空、一侧受尾砂侧压力）下的抗压强度模型。大红山铜矿48-54线盘区51线胶结矿柱垂直应力实测结果以及稳定性结果验证了模型的合理性。研究成果对深化充填采矿理论研究具有重要意义

对相似矿山具有较高的应用和推广价值。

Abstract

This study investigated the required strength to fill the cemented backfill by the two-step stage. The mechanical properties of cemented backfill in the goaf were analyzed. It was found that the cemented backfill mainly improved the stress state of the roof rock mass

which provided the support for the broken rock mass of the roof and the lateral pressure for the surrounding rock of the stope

resisted the closure of the stope and limited the flow of tailings. Therefore

a compressive strength model was established under the dangerous mechanical environment for cemented backfill（one side is exposed and the other side bears the pressure of tailings）.This model was based on the collapse caused by shear failure of cemented backfill

and fully considered the factors affecting its stability. In this model

the wedge sliding theory was also used to analyze the limit equilibrium condition of the 3 D wedge-shaped structure with a slip trend on the sliding surface of cemented backfill. The reasonability of the strength model has been verified by the vertical stress measurements and the stability of the 51 exploratory line cemented filling body of 48-54 panel of Dahongshan copper mine. The results provide significant references to the theoretical study of filling mining in-depth and the corresponding application in similar mines.

关键词

Keywords

references

Views

279

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Experimental study of mechanical properties of argillaceous sandstone under wet and dry cycle in acid environment

Dilatancy of coarse-grained soil in large-scale triaxial tests study

Investigation on strength and microstracture of naturally cemented calcareous soil

Experiment on thermal-induced expansion and mechanical properties of gas-bearing intact coal subjected to thermal-mechanical loading

Simulation of soil-water characteristic curves during drying and wetting cycles

Related Author

LIU Xin-rong

ZHANG Liang

FU Yan

JIANG Jing-shan

CHENG Zhan-lin

ZUO Yong-zhen

DING Hong-shun

ZHU Chang-qi

Related Institution

College of Civil Engineering, Chongqing University

Key Laboratory of New Technology for Construction of Cities in Mountain Area of Ministry of Education, Chongqing University

Construction Quality and Safety Supervision Station of Banan District

College of Construction Management and Real Estate, Chongqing University

School of Civil Engineering, Nanjing Institute of Technology

AI问答

⁰