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- Abstract: This paper discribes the principle of rook acoustic emission techniques.Some applications such as insitu rock stress measuring,locating high stress zone,predicting roof falling and evaluating rook stability are presented. 文摘:论述了岩体声发射技术的基本原理,介绍了其在采矿工程中的若干应用成果:地应力测量、高应力区圈定、冒顶预测预报、稳定性评价。
- The space of the extremum mine microseism is closely connected with the high stress zones. 极值矿山微震发生的空间部位与高应力区密切相关。
- Application of Multiplex Fracturing Technology in High Stress Zone 复合压裂技术在高应力地层的应用
- Study of support technique of bolt, beam, gunite, grouting of roadway with soft rock driving in high stress zone 高应力软岩巷道锚、梁、喷、注支护技术研究
- Practice and improve of the prop up technology half-seal in the mining-space of soft rock in high stress zone 高应力软岩采场半封闭支护工艺的实践
- Practices on dynamic prevention and control of pressure bump in high stress zone of Sanhejian Mine 三河尖煤矿高应力区冲击矿压动态防治实践
- The Relationship between the Stress and Rock Burst in Highly Stressed Zone 高应力区应力与岩爆的关系
- high stressed zone 高应力区
- Focussed Relaxation in High Stress Situations. 高应力集中缓和局势.
- high stress zone 高应力区
- And they are almost twice as likely to have high stress levels. 此外,年轻人精神压力过大的几率高出近一倍。
- The highest stress range occurs near the support. 其最高应力范围发生在近支撑处。
- Figure 1: Continuous flow lines in highly stressed crotch area. 图1:高应力弯钩区域的连续流径线。
- Must be able to work effectively in a fast paced high stress environment. 必须能够在高压力的环境下迅速而有效地工作。
- Coral has a narrow comfort zone and is highly stressed by a temperature rise of less than one degree Celsius. 适合珊瑚生长的地域范围很小,即使气温上升不到1摄氏度都会对它们造成严重的影响。
- The serving acts as a protectant for the string material in high stressed areas. 保养是为了使其受力部分延长寿命。
- And with reinforced concrete finite element a simulation calculation method is founded for randomness of initial cracks within the equal stress zone of concrete members. 结合钢筋混凝土有限元,建立了混凝土构件等应力区初始裂缝随机性的仿真计算方法,对钢筋混凝土梁纯弯段的裂缝规律进行了仿真计算。
- Supporting technique in deep-seated high stressed soft rock roadway is always one of the puzzles in underground engineering field at home and abroad. 深井高应力软岩巷道支护一直是国内外地下工程支护的难题之一。
- We know that hydraulic extrusion cracked coal bed of working-face, advanced the maximum main stress zone,improved the width of flaw zone,lowing the fatalness of coal outbrusting. 通过对3246风巷高压注水试验,水力挤出使工作面前方的煤体压裂,集中应力区向前推移,卸压带宽度增加,降低了煤的突出危险性,起到了消突作用。
- High stress concentration in the ore-rock contact zone leads to severe destruction of pillars between two drifts;with the excavation of drifts, it diverts into surrounding pillars of the newly caved. 在矿岩接触带出现高应力集中,导致两进路之间的间柱破坏严重,并随着进路开挖应力逐步向新开挖两进路之间的间柱转移;