| 1. | Interval back analysis on initial stresses and elastic modulus of surrounding rocks of tunnels
巷道围岩初始应力场和弹性模量的区间反演方法 |
| 2. | Application of artificial neural network to back analysis of initial stress field of rock masses
人工神经网络在岩体初始应力场反演中的应用 |
| 3. | And the results of the static stress were applied on the analysis of seismic reaction
随后把计算得到的静应力状西安理工大学工程硕士学位论文态用于地震反应分析的初始应力场中。 |
| 4. | The constitutive equation is a euler form to a reference which has initial stresses ( or residual stresses ) , the constitutive equation also refers to a motion of constant velocity along a straight line
该本构方程是参考具有初始应力场（或残余应力场）的直线匀速运动状态而建立的空间描写形式。 |
| 5. | This method is not only convenient to consider tubular initial stress and temperature initial strain , but also is of self - superiority , computing result for calculated examples indicate that this method is feasible
该方法便于考虑钢管初始应力和温度初应变，而且有其自身的优越性，算例计算结果表明，该方法是可行的。 |
| 6. | ( 2 ) testing and simulating on the tress field indicates that original stress distributing rule and collective character could be compartmentalized two parts : alteration zone in the surface near sloping and stress calm zone in deep
( 2 )地应力场测试和模拟研究表明，隧道通过部位初始应力分布规律的总体特征可划分为近坡面浅表生改造带和深部应力平稳带。 |
| 7. | Three aspects are studied : ? he temperature field and stress field of penstock during construction period ; ? the initial temperature and stress status of penstock before subjected to internal water pressure ; ( 3 ) the optimization of the penstock construction ; 3
同时给出了坝后背管蓄水前初始应力状况，提出了优化施工计划的原则和方法。对以后坝后背管混凝土的施工具有实际指导意义； 3 |
| 8. | The method is applied to shenzhen pumped storage power plant , the regression coefficients corresponding to the in - situ stress factors are determined by fitting the stress measured values , and the initial stress field is obtained for the rock mass of whole engineering
并以深圳抽水蓄能电站为实例，通过拟合实测地应力资料获得对应于地应力构成因素的回归系数，并得到整个工程区的岩体初始应力场。 |
| 9. | The key problems in 2d fem simulation such as the initial stress loading , simulation of material removal , constraint transformation , etc . are solved , and 2d fem simulation model is built to analyze the milling distortion caused by the residual stress
解决了初始应力加载、材料去除模拟、约束转换等仿真关键技术,建立了残余应力引起铣削变形的二维有限元仿真模型。用解析法对模型的有效性进行了验证。 |
| 10. | The classification of the surrounding rock divides the rock in the respect of quantitative classification and gets the qualitative gradation of the engineering rocks by correction of underground water , correction of weak structural plane and correction of original stress field
围岩分级主要从定量分级的角度对围岩等级进行划分，并通过地下水修正，软弱结构面修正和初始应力场修正，得到修正后的工程岩体质量等级。 |
