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- encircling rock fracture 围岩破碎
- Its fracture phylozone is nonuniform.Tfrend of rock fracture is very complex. 岩石裂缝走向较为复杂,断层附近裂缝较发育。
- Rock fracture and rock flowage are different types of geological deformation. 岩石破裂和岩石流动是不同类型的地质变形。
- Obtainment of surface morphology attribute data is very important in the research of rock fracture. 岩石节理裂隙研究的一项重要内容是表面形态属性数据的获取。
- Based on the viewpoints of rock fracture mechanics, compressive strength of rock mass controlled by discontinuities is discussed. 基于岩体断裂力学的观点,探讨基于结构面扩展的岩体抗压强度准则。
- The fractal structure of rock fracture in dam foundation of the Three Gorges Project under uniaxial compression is studied based on fractal theory. 基于分形理论,研究了单轴压缩状态下三峡坝基岩石破裂的分形结构。
- Stanford Rock Fracture Project, the RFP, is an industrial affiliates project within the Stanford Structural Geology and Geomechanics Program. 斯坦福岩石断裂计划是斯坦福建筑地质学与地质力学计划中的一部分。
- encircling rock deformation regularity 围岩变形规律
- The influence factors of rock fracture weak face on cut hole blasting are analysed,suit-able hole distributing method based on fracture distribution is put foreward. 分析了岩体中裂隙弱面对掏槽孔爆破的影响因素,并根据裂隙的分布情况提出相应的布孔方法和原则,对岩巷掘进施工具有实际指导意义。
- By the model of infinite flat with impenetration crack model, we calculate the frequency range of the electromagnetic radiation during several rock fracture which is from middle to high frequency. 通过建立具有中心贯穿裂纹的无限大平板模型,根据破裂宽度计算了在该模型条件下几种岩石破裂过程中产生电磁辐射频率范围。
- Based on the piezoelectric effect,a hypothesis which electromagnetic emissions were yielded by charge movements resulted by destroying piezoelectric crystals during rock fracture was established. 基于晶体的压电效应,提出岩石破裂时出现的电磁脉冲现象是由压电晶体破坏导致瞬间的电荷运动而产生的假说。
- It was found that the direction of rock fracturing can be controlled accurately by using slotted cartridge blasting. 试验结果表明,采用切缝药包爆破可以精确地控制岩石断裂方向。
- But geysers depend upon a unique combination of water supply, heat, and rock fractures, Hurwitz pointed out. 赫尔维茨指出但是间歇泉依靠水供给,热量和岩石破碎的特殊配合才能形成。
- The Present Situation of the Study of Rock Fracture 岩石断裂的研究现状浅析
- rock fracture by water jet impact 水射流破碎岩石
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- Based on the fundamental experiments on remote sensing-rock mechanics,the thermal infrared radiation (TIR) omens of rock fracturing are systematically analyzed and studied. 近年来的遥感岩石力学研究表明,岩石受力及灾变过程存在规律性的红外辐射效应,岩石破裂前存在红外异常前兆。
- An encircling band for holding in a baby's protruding navel. 脐带连于婴儿突出的肚脐上的环绕带
- Perhaps there is a fracture in the water pipe. 也许水管有裂缝了。
- An experiment of rock fracturing process is conducted under uniaxial compression in order to investigate the behaviors of rock fracturing under chemical erosion. 进行了在化学腐蚀下的花岗岩单轴压缩破裂试验,利用数字显微观测系统对其实时观测。