分析与实例计算显示,矿井支护可靠性分析是一种先进方法。
The analysis and instances indicate that the fail-safe analysis of mine supports is an advanced metho…
介绍了采用多匝线圈感应加热对矿井支护钢进行调质处理的工艺及设备的特点。
This paper introduces the technology and equipment of multicoli inducting hardening and tempering for mine supporting steels.
合理的支护形式是矿井安全生产的保证,也是经济效益提高的重要前提。
The rational support form is the guarantee of the mine safety production, is also the important premise of raising economic efficiency.
进而提出热害矿井主要巷道的合理断面形式和永久支护形式。
And then, the rational form of section and permanent support of primary tunnel in high-temperature mine is put forward.
矿井巷道支护设计的合理与否,直接影响着煤矿的采掘接续平衡、经济效益和生产安全。
The supporting design of mine roadways is reasonable or not directly influences mining-drifting balance, economic efficiency and safety production.
这为复杂构造条件下煤矿井巷的掘进寻找出一种新的支护技术,拓展了管棚预支护技术的应用范围。
The results indicate a new timbering method under in mine integrated structural conditions and extend the utilization scope.
巷道支护技术是煤炭开采中的一项关键技术,安全、合理、有效的巷道支护是保证矿井高产高效的必要条件。
Roadside support technology is a key technology in coal mining, safe, rational and effective roadside support can guarantee high output and efficiency.
根据锚索支护独特的支护效果,再配合树脂锚杆在沿空掘巷道支护中的运用及所达到的效果,为今后矿井巷道设计及支护提供一定的参考。
According to the support result of bolting with wire support and resin anchor used in heading along goaf provide a reference for the tunnel design and support.
本文介绍煤矿井下掘进巷道锚杆支护工作面用于临时超前支护的一种可调配比式轻型乳化液泵站。
The paper introduces an adjustable compounding light-duty emulsion pump station used for temporary fore support at the roof-bolt face of underground heading roadway.
永久洞室的支护方法,多年来一直是松软岩层矿井生产的技术难关。
The supporting of permanent openings has been a difficult problem in production and technique for many years.
由于锚杆支护显著的技术经济优越性,已成为矿井巷道等地下工程支护的主要形式。
Bolt support has been the main support form of the mine roadway in the under - ground engineering because of its obvious technical and economical superiority.
通过对管棚预支护技术在两类自然条件下的施工情况分析对比,阐述了煤矿井下管棚预支护技术的特点。
Based on analysis of pre-timbering with tubular prop technology under two natural conditions, described the properties of this technology.
本文采用空芯包体方法地应力测量表明吕家坨井田是水平应力场,测量结果为矿井采场合理布局、巷道布置选择和锚杆支护设计提供基础数据。
The principle and characteristics of stress measurement with the CSIRO method and the main procedures of in situ stress measurement carried in 4 coal mines of Xingtai mining area are introduced.
广泛应用于矿井下巷道,工作面切眼,峒室及其它领域的巷道支护,对处理不稳定围岩效果更佳。
It is widely used in coal mine roadway, working surface, and other fields of roadway. It got better efficacy on unstable surrounding rocks.
ZZS6 0 0 0 / 17/ 37A型四柱支撑掩护式液压支架是专为“高产高效”矿井设计的综采支护设备。
ZZS6000/17/37A four pillars chock-shield is fully-mechanized support equipment that is designed for high output and efficiency mine.
ZZS6 0 0 0 / 17/ 37A型四柱支撑掩护式液压支架是专为“高产高效”矿井设计的综采支护设备。
ZZS6000/17/37A four pillars chock-shield is fully-mechanized support equipment that is designed for high output and efficiency mine.
应用推荐