core sample

Comparative study on elastic-plastic failure process of rock specimen by means of numerical simulation;

岩石试样弹塑性破裂过程数值模拟比较研究

Numerical simulation on elastic|plastic failure process of rock specimen;

岩石试样弹塑性破裂过程的数值模拟分析

By means of the numerical simulation test ,the influence of the seed for the random number generator on the elastic-plastic failure process of rock specimen is studied in this paper.

阐述了岩土类材料的非匀质性特性,以及对岩土类材料弹塑性破裂过程进行数值模拟的分析程序REPFPA,通过8个试样的数值模拟"试验",深入地研究了随机数发生器种子值对岩石试样弹塑性破裂过程的影响。

Through interrelated impacting and grabbing test of mechanical properties for various rock samples, this paper calculates the consumed energy of percussion clamshell during construction.

为了计算冲抓斗在施工过程中所消耗的能量，对各种岩石试样的机械特性进行了相关的冲击掘削试验，以求得各种岩石试样的机械特性。

The dynamic triaxial shear test on the dynamic properties of the Xiaolangdi in situ siltized intercalations within core samples is performed.

对黄河小浪底工程左岸山体含泥化夹层的岩芯试样进行了动三轴试验研究。

Rock failure mechanism and true triaxial experimental study of specimens with single structural plane under three-dimensional stress

三向应力状态下单结构面岩石试样破坏机制与真三轴试验研究

Studies on the Influence of Seed for the Random Number Generator on Elastic-Plastic Failure Process of Rock Specimen;

随机数发生器种子值对岩石试样弹塑性破裂过程的影响研究

LOADING CONDITION FOR SPECIMEN DEFORMATION AT CONSTANT STRAIN RATE IN SHPB TEST OF ROCKS

岩石SHPB测试中试样恒应变率变形的加载条件

Experiment on Dynamic Rock Facture Toughness Using Edge-notched Disc Specimen

边切槽圆盘试样的岩石动态断裂韧度实验

METHOD TO DETERMINE TENSILE STRENGTH OF ROCK USING FLATTENED BRAZILIAN DISK

采用平台巴西圆盘试样测试岩石抗拉强度的方法

An experiment study on rock tensile strength with flattened Brazilian disc specimen under dynamic loading

平台巴西圆盘试样岩石动态拉伸特性的试验研究

DETERMINATION OF ELASTIC MODULUS OF ROCKS WITH CRACKED STRAIGHT THROUGH BRAZILIAN DISC SPECIMEN BY COMPLIANCE METHOD

用直切槽巴西圆盘试样柔度法确定岩石的弹性模量

Specification for methods of rocks for railway engineering

铁路工程岩石试验规程

The layered structure common to metamorphic rocks.

叶理象变质岩一样的岩石层状结构

The reservoir rock can be of various lithological compositions.

热储岩体的岩石成份各式各样。

A piece of this rock.

大理石块一块这样的岩石

`Rough as a saw edge, and hard as whinstone!

“像锯齿一样地粗，像岩石一样地硬！

Quite often it is found that in an apparently uniform piece of rock the thermal conductivity differs from centimetre to centimetre.

一块看来很均匀的岩石试件，却经常发现它每一厘米的热导率都不一样。

EXPERIMENTAL RESEARCH ON MECHANICAL PROPERTIES OF LIMESTONE AND SANDSTONE UNDER HIGH TEMPERATURE

石灰岩和砂岩高温力学特性的试验研究

Research of Rock Test for Rock Burst in the Subsidiary Tunnel of a Hydropower Station in Southwest China

西南某电站辅助隧洞岩爆岩石试验研究

He collected specimens of all kinds of rocks and minerals.

他采集了各种岩石和矿物的样品。

The water has worn the rock as smooth as glass.

水已把岩石冲刷得犹如玻璃一样光滑。

the arrangement of leaflike layers in a rock.

岩石中像叶子一样的薄片层状结构。