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- Rock mass always exists in the fields of geostress and seepage,so it is important to study the effect of geostress on the permeability of rock mass. 岩体总是赋存于一定的渗流场与应力场中的,研究地应力场对渗流场的影响具有重要的意义。
- The complicated permeability of rock mass I involving inhomogeneous, anisotropic. unsaturated behaviour as well as the coupling between hydraulic conductivity and deformation are discussed. 论述了岩体复杂的渗透特性,包括渗流的不均匀性、各向异性、非饱和性及渗流与变形的耦合等问题。
- permeability of rock mass 岩体透水性
- and the electro-dynamic seepage properties are affected by factors such as the intensity of geoelectric field, the permeability of rock mass, the characters of leaching solution and so on. 研究结果表明,地电场对裂隙岩块中溶浸液渗流特性影响非常明显,裂隙岩块中溶浸液的电动渗流特性与地电场强度、岩块渗透率和溶浸液流体性质等因素密切相关。
- By similarity simulation experiment, we analysis the mining-induced fracture distribution and permeability of coal and rock mass near protective layer mined by speckle method. 阐述了含瓦斯煤的力学特性:通过相似模拟实验,用散斑法对保护层开采过程中来动裂隙分布规律及煤岩体的渗透性进行了分析。
- Based on observation and investigation insitu, a method is presented to solve equivalent permeability tensor of rock mass during excavation. 利用渗透张量法求取裂隙岩体的渗透系数是目前在求取裂隙岩体渗透系数中运用最广泛的方法之一。
- Based on the geology statistical data in the field,the variance of permeability of the corroded rock mass in the grouting adit of Qingjiang Shuibuya project in a typical karst region in south China is computed. 基于现场灌浆平硐揭露的工程地质统计资料,对清江水布垭工程左岸帷幕线上部分段进行了渗透性变异的量化研究。
- The porosity and permeability of rock are related directly to grain size and sorting characteristics. 颗粒大小和分选性对岩石的孔隙和渗透率有直接关系。
- NMR is a technique used to determine the porosity and permeability of rock formations. NMR是一项用于确定岩层的孔隙度和渗透率的技术。
- Quantitative relationship between measured permeability of rock core and horizontal stress is studied by regressive analytical technique. 根据岩芯样品渗透率分析值和岩石水平应力,以回归分析技术研究了二者的定量关系。
- Theory and practice of grouting drainage and anchorage of rock mass II. 岩体灌浆排水锚固理论与实践2。
- Studies show that the new model can reveal the complicated permeability of jointed rock masses more comprehensively than the others, and can be applied to the... 研究表明,新模型与其它模型相比更能全面地揭示裂隙岩体复杂的渗透特性,并适用于渗流场与应力场的耦合分析。
- The formulas of rock mass displacements and deformations are devel... 通过工程实例分析表明,理论预计结果与现场实测结果吻合。
- This study uses artificial core and tests the compressibility, porosity and permeability of rock through repeated rising and declining of confining pressure. 本研究采用人造岩心,经过反复升降围压实验对岩石压缩系数、孔隙度及渗透率进行了测试。
- Near the unconformity surface, the porosity and permeability of rock has obviously been improved.The unconformity surfaces in Permian are the main paths of oil and gas migration. 研究表明,二叠系内部各组地层之间呈不整合接触,在不整合面附近地层的孔隙度和渗透率明显增大,因而是油气运移的主要通道。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- These screes are generally small pieces of rock which have become detached from the rock mass. 这些碎石通常都是些小石块,它们从岩体上分离下来。
- They discovered that in addition to sending tremors that knock down buildings, earthquakes greatly increase the permeability of rocks to transmit fluids including oil. 科学家们发现:地震除了产生击倒建筑的震动,还能极大地增加岩石的流体通透性,使得石油易于渗透。
- 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 mountain rose up in a steep wall of rock. 这座山高而陡,形成一道岩石屏障。