Through type driving axle

Through analysis of the linkage & relocation technology for fully mechanized system in Shendong mining area.

通过对神东矿区综采系统贯通及搬迁技术的应用分析,介绍了综采面的贯通工艺和搬迁设备配套,说明了优质贯通与快捷搬迁的内在原因,指出了相关作业中应注意的事项,为其它高产高效矿井的建设提供了有益的借鉴。

Frontal intersection formula indicated by azimuth angle applied in mine holing-through survey;

以方位角表示的前方交会定点公式在矿井贯通测量中的应用

By practice of holing-through in main panel and working faces,analyzes successful experience of each connecting project,describes the ensuring means that achieve standardization of survey and no failure in holing-through project from five sides.

通过对主要盘区及工作面的贯通实践,剖析每个贯通工程的成功经验,从五个方面阐述了实现测量标准化、贯通无事故的保障手段。

Transfixion Measurement Technology of Intake Shaft of Beishigou;

北石沟进风井贯通测量技术

Quantitative determination on transfixion of joins by Kolmogolov entropy theory and its application to sandstone;

砂岩节理裂隙贯通的Kolmogorov熵定量判别及应用

Analysis of influence on lateral error of transfixion in GPS control network;

GPS地面控制网对横向贯通误差影响的分析

Rock failure process analysis code( RFPA2D) is used to research the rock specimen with two parallel and offset cracks, and main object is to study different confining pressure influence on propagation, coalescence and interaction of cracks in rock bridge area.

应用岩石破裂过程分析程序分析了侧压对预制两个平行裂纹岩样中岩桥区裂纹的扩展、贯通和相互作用机制的影响,并对岩样。

The interaction between joints and the coalescence of joints are important problem for geotechnical engineering.

节理岩体的力学特性主要受控于节理,节理间的相互作用及其贯通是岩体工程的重要问题。

The initiation, propagation and coalescence mechanism of closed echelon pattern cracks are studied by simulation experiments with similar material.

通过相似材料模拟试验的方法研究了双轴压缩载荷作用下闭合雁形裂纹的起裂、扩展和岩桥的贯穿机理，得到了双轴压缩载荷作用下，不同方位雁形裂纹的开裂角、起裂载荷、岩桥贯通载荷及临界失稳载荷等重要的断裂力学参数。

Through analyzing the basic control-line(line-side,angle,and azimuth that affect precision of direction-line)in Qianjiaying mine combining with some concrete examples on perforation engineering,the autor talks about some knowledge on perforation measurement.

本文通过对开滦钱家营矿业分公司井下基本控制导线进行系统分析,包括影响导线精度的边长、角度,以及方位角对比等,并结合井下几个贯通工程实例,谈一谈对贯通测量的一点认识,在今后的工作中借鉴。

The methods to calculate the actual mistake of tunnels perforation: survey columal method, underground wire control method was introduced in this paper, and then it narrated how to adjust these mistakes.

本文介绍了测定隧洞贯通实际误差的方法:测中桩法;地下导线控制法。