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- Keywords stratified rock;bolting;mechanism of rock bolting;in-situ stress;combined voussoir beams; 层状结构;锚杆支护;支护机理;地应力;组合拱梁;
- mechanism of rock bolting 支护机理
- In this program,the smooth surface blasting and inject method of rock bolting network are applied. 先让后抗,抗让结合"为支护原则,以喷锚网支护为基础的不良岩层中大断面巷道掘进的一些技术问题。
- Support Mechanism of Rock Bolts with Large Prestress, Fast Resistance Increasing and High Working Resistance 强初撑急增阻高阻力锚杆的支护机理
- Roof falling of rock bolting supported tunnel is usually paroxysmal in a big area, so safety monitoring is of great importance. 锚杆支护巷道顶板冒落具有突发性和冒落面积大的特点,安全监测非常必要。
- KANG Hong-pu.FLAC analysis on affecting factors to rock bolting in gateroads.Chinese Journal of Rock Mechanics and Engineering,1999,18 (5):497-502. [9]康红普.;回采巷道锚杆支护影响因素的FLAC分析[J]
- So macroscopical damage mechanism of rock mass should research through its load and deformation law. 所以煤岩的宏观破坏机理应从其荷载以及变形规律来研究。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- The mountain rise up in a steep wall of rock. 这座山高而陡,形成一道岩石屏障。
- The treatment methods such asthe use of rock bolts and shotcrete are summaried. 同时总结了岩爆防治的有关措施。
- The mountain rose up in a steep wall of rock. 这座山高而陡,形成一道岩石屏障。
- XIE Heping. Damage mechanics of rock and concrete[M]. 谢和平.;岩石、混凝土损伤力学[M]
- Therefore from the view of time factor the mechanism of Kaiser effect of marble is reflect of rememberance of rock previous damage. 按照笔者确定的损伤因子 ,凯塞效应具有记忆先前损伤的能力 ,时隔两个月对大理岩样品进行再加载试验 ,凯塞效应记忆先前损伤的准确程度仅损失 3%25。 文章从时间因素证明了凯塞效应的机理在于对先前损伤的记忆。
- The amplitude, direction and combination of horizontal and vertical accelerations can change the failure mechanism of rock mass and the changing is catastrophic and irreversible. 地震动的幅值、作用方向及双向地震动的组合都可使岩体的破坏机制发生转化,并且是突变的、不可逆的。
- working mechanisms of the rock bolting 支护机理
- A spur of rock stuck out from the mountain. 山背上突起一个石脊。
- In the thesis, the fragmentation prediction is based on the mechanism of brittle fracture of rock, on which a fractal model of fragment evolution is proposed. 本文根据岩石破裂过程分形脆性断裂机理建立块度分形演化模型,并将其应用于节理岩体块度预测。
- This paper studies the rule of rock wettability change of Daqing Oil Field in ASP flooding and analyzes the mechanism of wettability change through lab simulation test. 通过室内模拟实验,研究了在三元复合驱中大庆油田岩石润湿性的变化规律,分析了润湿性的变化机理。
- The soldier told us where the firing mechanism of a rifle is. 那个士兵告诉我们哪儿是步枪的击发装置。
- It is necessary to test the holding state of rock bolts nondestructively for the project. 近些年来,锚杆的锚固质量检测技术得到了快速发展。
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