软底工作面回采巷道底鼓机理分析及控制技术研究

Analysis of the Mechanism of the Bottom of the Roadway in the Soft-bottom Face and the Research of the Control Technology

通过对马兰矿2105工作面回采巷道底鼓特征和机理进行分析研究,利用FLAC 3D数值模拟软件,对巷道底板无支护和底板注浆+工字钢的支护方案下的底鼓变形量进行对比分析和模拟实验,表明该方案治理底鼓效果较好。

Through the analysis and research on the characteristics and mechanism in 2105 working face of Malan Mine,and by using FLAC 3D numerical simulation software,the deformation of floor heave under the support scheme of unsupported roadway floor and the support scheme of floor grouting I-shaped steel is compared and analyzed,and the simulation experiment shows that the scheme has a good effect on the treatment.