煤矿深立井马头门围岩稳定性分析及实验研究

发布时间：2018-05-28 06:39

本文选题：马头门 + 相似模拟试验　；参考：《安徽理工大学》2015年硕士论文

【摘要】：马头门(井筒与井底车场巷道相连接的部分)位于矿井的关键部位,是设备、材料和人员的转运点。其特点是位置特殊,设计断面大,集中应力大,受力状况复杂,服务年限长,特别在深立井建设中马头门设计与支护非常重要。本文对淮南矿业集团有限责任公司潘一东矿副井马头门的实际地质状况进行相似模型实验,模拟马头门各个的阶段开挖状况,同时通过电阻式传感器测试系统和光纤测试系统,监测井筒和马头门不同开挖阶段的应力和变形情况,并且运用ANSYS有限元模拟软件对开挖过程中的马头门部位进行三维数值模拟,从而获得深立井马头门围岩的应力、应变分布规律以及进行弹塑性分析,为进行合理的支护设计提供可靠的依据。
[Abstract]:The horse head door (the part of the shaft connected to the roadway of the bottom pit) is located in the key part of the mine and is the transfer point of equipment, materials, and personnel. It is characterized by special position, large design section, large concentration stress, complicated stress condition and long service life. Especially in the construction of deep shaft, it is very important to design and support the horse head door. In this paper, the actual geological conditions of Matou Gate in Panyidong Mine of Huainan Mining Group Co., Ltd. are simulated by similar model experiments, and the excavation conditions of each stage of the gate are simulated. At the same time, through the resistance sensor test system and the optical fiber test system, Monitoring the stress and deformation in different excavation stages of wellbore and Matou gate, and using ANSYS finite element simulation software to simulate the position of Matou gate in excavation process, so as to obtain the stress of surrounding rock of horse head gate in deep vertical shaft. Strain distribution and elastic-plastic analysis provide reliable basis for reasonable support design.
【学位授予单位】：安徽理工大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TD322.4

【参考文献】