三维地应力测量,3D geostress measurement
1)3D geostress measurement三维地应力测量
1.Application of3D geostress measurement by hydraulic fracturing technique;水压致裂法三维地应力测量在工程中的应用
2.The principle and method of3D geostress measurement in three boreholes with different directions and one borehole have been suggested by YRSRI at home for the first time,expanding its applied scope,and it has been widely applied in engineering.长江科学院在国内率先提出在3个不同方向钻孔中和单钻孔中进行三维地应力测量的原理和方法,扩大其应用范围,并已在工程中得到广泛应用。
3.According to the features of vertical borehole, the principle and method of3D geostress measurements by hydraulic fracturing technique in a vertical borehole are advanced, and calculating formulas for data processing are presented through an example.根据铅垂钻孔的特点,提出了在单个铅垂钻孔中进行水压致裂法三维地应力测量的原理和方法,严格推导了资料整理的计算公式,并举有工程应用实例。
英文短句/例句
1.Determination of three-dimensional geostress by hydraulic tests on preexisting fractures原生裂隙水压致裂法三维地应力测量研究
2.Novel Sensor System for Measuring Tri-axial Pressure on Foot-Ground Interface同时测量鞋地间三维相互作用力的传感器系统
3.Ground Stress Measuring and Analysis in Dongtan Mine;东滩煤矿三采区地应力测量及应力场分析
4.Evaluation and application of noise-suppressed capacity in 3-D seismic acquisition geometry三维地震采集观测系统压噪能力的估算及应用
5.The Clinical Study of the Measurement of the Rotational Axis of Femoral Epicondyle by 2-D and 3-D Images采用二维及三维图像测量股骨髁旋转力线的临床应用研究
6.A New Method of 3D Entity Measurement Based on Buoyancy一种基于浮力的三维实体测量新方法
7.Dynamic measurement of the 3D shape gravity waves in dragon washbasin龙洗三维液体表面重力波的动态测量
8.On the three-dimensional measurement in power line in Shanghai上海电力管线(电缆)三维测量技术
9.To realize the reaserch and application of Kunming underground pipeline three-dimensional modeling study with huge amounts of detect data利用海量探测数据实现昆明市地下管线三维建模的应用研究
10.STRESS MEASUREMENT, STRESS STATE OF UPPER CRUST AND EARTHQUAKE RESEARCH地应力测量、地壳上部应力状态与地震
11.The Application of Face Three-Dimensional Measuring System in Medical Measurement;人脸三维测量系统在医学测量中的应用
12.Application of three-dimensinal optical measuring instrument in measurement of small bore diameter三维光学测量仪在小孔直径测量中的应用
13.The Study on Design and Application with Three-dimensional Craniomaxillofacial Measurement Instrument;三维颅颌面测量器的设计和应用研究
14.Study of Phase Measuring Profilometry and Its Application三维光学扫描测量系统的研究和应用
15.Application of Excel into Data Processing of 3D Control SurveyExcel在三维控制测量数据处理中的应用
16.The Application of the Laser Triangulation on Measurement of Objects" Three-dimension Figure;激光三角法在物体三维轮廓测量中的应用
17.Application of 3D Seismic Information to Predict Rich Gas Concentrated Zone三维地震资料预测瓦斯富集区的应用
18.3D Inelastic earthquake response of frame-shear wall structures框架-剪力墙结构三维弹塑性地震反应
相关短句/例句
3-D geostress measurement三维地应力量测
3)3D stress measurement三维地应力测试
4)3-dimensional in-situ stress measurement三维应力测量
5)3D geo-stress三维地应力
1.The overcoring method in deep borehole is one of the robust3D geo-stress measuring methods at home and abroad.运用深钻孔套芯解除法对阳江抽水蓄能电站进行了三维地应力测量,并将测试结果与水压致裂法进行了比较。
6)three dimensional force measurement三维力测量
延伸阅读
应力测量应力测量measurement of stressy jngjj ee!jang应力$IJt‘(measurement。f stress)测量物体由于外因或内在缺陷而变形时，在它内部任一单位截面积上内外两方的相互作用力。应力是不能直接测量的，只能是先测出应变，然后按应力与应变的关系式计算出应力。若主应力方向已知，只要沿着主应力方向测出主应变，就可算出主应力。各种受力情况下的应变值的测量方法见表1。轴向拉伸(或压缩)时，沿轴向力方向粘贴应变片(表1之1~4)，测出应变。，按单向虎克定律算出测点的拉(压)应力a~。E.式中‘为应变，E为弹性模量。弯曲时在受弯件的上下表面上粘贴应变片(见表l之5~6)，测出应变。，可计算弯曲应力。扭转时沿与圆轴母线成士45。角的方向贴片(表1之7~9)，测出主应变‘，再代入虎克定律公式算出主应力么5’，即得最大剪应力r‘:}EIr州.，=】氏护】=!—落用l __二一。·11十产一!式中产为泊松比。拉(压)、弯曲、扭转，其中两种或三种力的联合作用下，不同测量要求的应变值测量方法分别见表1的10~14。主应力方向未知时的应力测量如图1所示。在该测点沿与某坐标轴x夹角分别为Ql、a:和。:的3个方向，各粘贴一枚应变片，分别测出3个方向的应变‘;、y 二二 0图1利用三枚应变片测t一点处的主应力‘2和‘3，根据下式 ‘。_二。，eosZa，+￡、sinZa、+7，、sin佑eosa、1 ‘_=e，COS‘口，一」一C.Sin“口，十I，、Sln口，COS口，卜 ‘a=‘cos.a3一eysln“aa十，。slna3CosasJ可解出‘、乌和几。再代人下式求出主应变‘，、。:和主方向与x轴夹角a:今一包杏五士今丫又一:，):+珠‘22一2。一冬tan一，一Z~ 艺乓一乌最后，再根据广义虎克定律公式E 叮1=了二一三(￡1+产￡2) 1一产-E 口:~了一二(￡:十产￡1)1一P“ 、一告(。1一。)求出主应力，1、。:和rma二.实际上为了简化计算，3枚应变片与x轴的夹角a，、a:和。:总是选取特殊角，如。。、45。、600、900和12。’，并将3枚应变片的敏感栅制在同一基底上，形成应变花。常用的应变花有直角应变花(0。一45。一90。)和等角应变花(0。一60。一1200)。不同形式的应变花的计算公式见表2。用应变片测量的应变值一般是很小的，因而电阻值的变化同样是很小的。为此，有必要把应变计连接到一定的测量系统中，以精确测定应变片电阻值的变化。用应变片测量应变的测量系统框图见图2。心哨 卜接收器十一连接电路一一+显示系统月图2应变测t系统框图骊孺麒赢翩瓤啸凳表1测定各种载荷的贴片及接桥方式件续表件续表育注:u0一供桥电压;k一应变片灵敏系数。表2应变花计算公式于寸
