softrock相关论文
It is well known that artificial neural network which has marvelous ability to gain knowledge has been widely used in va......
The mineral components and microstructure of soft rock sampled from ro adway floor in Xiagou pit are determined by X-ray......
On basis of ground stress surveying and analysis of physical nature and mechanics character of rock, the deformation mec......
The increasing speed of high-speed railway has improved the requirements for the stability of high-speed railway subgrad......
Repairing technology based on analysis of deformation or failure on main roadways in Shuanglong Coal
During mining process of Shuanglong coal mine of Shannxi Coal Chemical Firm,the main roof transportation belt roadway an......
The significant differences between hard rocks(more brittle)and soft rocks(more ductile)may suggest the use of different......
At present, the mechanics theories studying softrock engineering gcnerally depend on linear small-deformation hypothesis......
针对屯兰煤矿12510工作面运输平巷大断面软岩巷道支护特点,采用实践分析和数值分析手段,对原支护设计进行优化,确定了合理的支护参......
根据古汉山矿西大巷地质特点,设计了新型的三格栅三拱组合成的双层双曲空间网壳支架,在喷射混凝土后形成网壳配筋衬砌结构,使喷层......
以小康煤矿S2S2运输巷道为工程实例,结合理论分析与现场实践,运用岩性测定、地应力分析、非弹性变形计算等方法,分析深部软岩巷道......
论述了允许围岩蠕进的卸压支护技术原理；给出了卸压支护结构技术参数；介绍了该支护结构的应用效果。......
通过实验室模型试验，研究软岩巷道的矿压显现特征和规律，探索用改变巷道围岩应力分布状态的方法，即松裂爆破法解决软岩巷道维护问题。......
介绍了一种孔口可拉伸锚杆及其现场试验情况。根据矿压观测结果分析了可拉伸锚杆对软岩巷道支护的适应性及其合理的结构参数。......
通过对维尼纶纤维混凝土不同配比的力学性质测试，分析了纤维长度、掺量等对其抗压、抗拉、抗弯强度和韧度的影响；阐述了维尼纶纤维混......
从软煤层的冲击倾向性等方面分析了软岩矿区发生冲击矿压事事故的机理，并结合生产实践总结了出了软岩矿区冲击矿压事故的三大特征，提......
