泥板岩

卡迪砂岩是岩屑砂岩，由燧石，石英、石英岩、硅化泥板岩和其它岩石碎屑颗粒所组成。

The cardium sandstone is lithic , being composed of grains of chert , quartz , quartzite , silicified argillite , and other rock fragments .

地下水对泥板岩强度软化的损伤力学分析

Analysis on strength softening of argillite under groundwater by damage mechanics

本文叙述了某含铀泥板岩矿石几种酸浸出的方法，并着重研究了矿石中主要耗酸矿物&方沸石在浸出过程中被酸分解的特性。

In this Paper the various methods for acid leaching of uranium from a uraniferous argillaceous slate ore are described .

石灰岩建造常为黑色、灰黑色碎屑石灰岩、燧石层、粉砂质泥板岩和礁灰岩组成，常夹递变层理。

The latter consisting of dark gray clastic limestone , chert beds , siliceous mudstone and massive reef and usually with graded bedding .

④钻遇下部井段泥板岩地层时，应对增斜钻具发生屈曲的临界钻压和疲劳破坏系数进行校核。

When argillite formations at the lower part of intervals are drilled , critical bit weight and endurance failure factor of buckle formed by building assembly should be checked .

某水电站泥板岩变形是该坝区地下洞室群和高边坡研究的主要问题，探讨泥板岩粘弹性本构模型有重要意义。

The shale deformation of a given dam is the main issue of the study on underground openings and high slope , so it is important to discuss the viscoelastical constitutive model of the shale .

针对18层泥板岩处于龙滩水电站坝址进水口高边坡中这一特殊情况，深入探讨水-岩相互作用使其劣化的损伤机理。

For the special geologic condition of 18 layers of argillite located in highwall slope of the intake in Longtan Hydropower Station Project , a study on the damage mechanism of the water-rock interaction is carried out .

提出泥质板岩的粘聚力与摩擦系数随角度变化的经验Mohr-Coulomb强度准则。

Proposed anisotropic empirical Mohr-Coulomb strength criterion with cohesion and the friction coefficient changing with loading directions .

泥质板岩的抗压强度与围压和加载方向有关。

The compressive strength of argillite varied with the difference of confining pressures and loading directions .

发现泥质板岩的变形存在明显的弹塑性耦合现象。

Studied the deformation and strength properties of argillite , and found the obvious existence of elastoplastic coupling deformation .

在此基础上，设计并完成具有明显层理状结构的泥质板岩的三轴循环加卸载试验。

On this basis , triaxial cyclic loading and unloading tests of argillite with obviously bedded structures are designed and completed .

分析发现，泥质板岩的结构以变晶结构为主，包含了由石英晶体形成的颗粒状矿物集合体和由高岭石、白云母和斜绿泥石形成的片状矿物集合体，但以片状集合体为主。

Analysis showed that the main type of structure in argillite was crystalloblastic texture , which contains granular mineral aggregates made of quartz crystal , and schistose mineral aggregates made of the crystals of kaolinite , muscovite and clinochlore .

加载初期，泥质板岩以塑性变形为主，随着加载和总应变的增大，塑性应变在总应变中所占的比重逐渐降低，而弹性应变和弹塑性耦合应变的比重却在增大。

At the beginning of loading , the main deformation was plastic . With the increasing of load and total strain , the proportion of plastic strain in total strain gradually decreased , while the proportions of elastic strain and elastoplastic coupling strain increased .

上段以黑灰色（风化后为浅灰色）含硅炭板岩和泥灰质含炭板岩为主。

The upper member of the Lujiaping Formation is mainly dark slate , light gray-green ( after weathering ) sericitized slate , and silt slate .