矿山快捷组合式充填挡墙装置的研发

Research and Development of an Effective Combined Backfilled Retaining Wall for Mine

构筑充填挡墙是充填采矿法必不可少的工序之一,挡墙构筑质量的好坏关系到充填工作的安全性和充填工作的效率。当前矿山应用的挡墙形式多样,均存在劳动强度大,抗弯能力差,安装时间长,重复利用率低,易跑砂、漏浆等缺点。为了克服现有挡墙缺陷,提高挡墙的安全性和架设效率,结合工程实际提出一种可伸缩、方便快速拆装的组合式充填挡墙结构。通过理论计算,设计了挡墙组件的合理尺寸,并应用数值分析软件进行模拟计算,开展了结构参数的优化。计算结果表明,与其他形式挡墙相比,组合式充填挡墙在强度指标、充填高度,重复利用性方面,均具有较为明显的优点:可显著提高挡墙的构筑速度、提升挡墙的构筑质量和挡墙的重复利用率,可有效地防治跑砂、漏浆事故的发生,进而提升充填的效率。

Construction of the retaining wall is one of the necessary processes of waste fill mining methods,and the quali-ty of the retaining wall relates to the safety and efficiency of filling. At present,a variety of retaining walls are applied in mine, but there are many defects among these retaining walls,such as high labor intensity,insufficient flexural capacity,long installa-tion time,low repeat utilization,running sand easily,slurry leakage and so on. In order to overcome the defects of the existing retaining wall,and improve the security and efficiency of the retaining wall,a combined filling retaining wall that is elastic and conveniently disassembling is put forward. Based on theoretical calculation, the reasonable size of retaining wall components was chosen. At the same time,the numerical analysis software is applied to make simulation calculation and optimize the struc-tural parameters. The calculation results show that the combined-type filling retaining wall has the advantages of higher strength,higher filling height and reuse,compared with other retaining wall. It can raise the building speed of the retaining wall significantly,improve the building quality and repeated utilization of the retaining wall,and prevent the running sand and slurry leakage accidents effectively,thus raising the efficiency of filling.