Study on Character and Forecast Model of Residual Deformation in Mining Site 采动场地残余变形特征及预测模型研究
In the first cycle, the residual deformation is large, and the loading-unloading curve forms a horn-shaped curve. 卸载曲线与下一个循环的加载曲线通常也不重合,但会形成闭合环路。
Prediction Analysis of High Class Highway Influenced by Surface Residual Deformation in Mining Zones 采动区地表剩余变形对高等级公路影响预计分析
Research on Stability of Foundation over Mined Gob and Residual Deformation Rule 老采空区上方地基稳定性及残余变形规律研究
The foundation stability and residual deformation must be evaluated before building life or service facilities above old mine goaf. 在老采空区上方建设生活或服务设施时,必须对老采空区上方地基稳定性和残余变形情况进行评价和预测。
Based on the test results, the mechanism of the influences of reinforcement on the residual deformation is proposed tentatively. 还根据试验结果,初步探讨了加筋对动残余变形影响的机理。
The results show that: with the initial principal stress direction angle increases, the axial residual deformation from the compression state gradually transits to the elongation. 结果表明:随着初始主应力方向角的增大,轴向残余变形由压缩状态的正值逐渐过渡到伸长状态的负值。
In static loading test, the primary factors affected the bridge loading capacity analysis are loading test efficiency, testing coefficient, relative residual deformation, check coefficient, load transversal distribution coefficient and some parameter relative curves. 静荷载试验中对分析桥梁结构承载力有重要影响的因素主要是荷载试验效率、校验系数、相对残余变形、检算系数、荷载横向分布系数以及各种指标参数关系曲线;
The Residual Deformation and Equivalent Source of Lancang-Gengma Earthquake 澜沧&耿马地震的剩余形变和源
Study shows that both initial value of circulation strain development and residual deformation before fatigue of HFRC can enhance with increment of fibre adding. 研究表明,随纤维掺量的增加,HFRC材料的循环应变发展起始阈值和疲劳前的残余变形均可提高。
A method to predict residual deformation based on inherent strain was introduced. 阐述了以固有应变为基础的弹性板单元有限元残余变形预测法。
The laws of the stagnant area length and residual deformation of the system with the variation of system parameters and initial conditions are studied, so as to provide references for systematic performance design. 研究了系统停滞区长度、残余变形随系统参数、初始条件的变化规律,为进一步开展体系的性能设计提供了参考依据。
Maximum deformation and residual deformation are given by solving the systems of simultaneous equations. 通过求解建立的平衡方程组,给出了平台的最大变形和残余变形。
This paper presents an approximate method to obtain the maximum residual deformation for impulsively loaded rigid-plastic structures. 本文给出一个利用一般变分原理来求刚塑性结构在冲击载荷作用下最大残余变形的近似方法。
Choose appropriate material parameter to ensure the convergence, with the order coupling thermal stress finite element, calculate the welding residual stress and residual deformation. 在高温时选取合适的材料性能参数以适应收敛性要求,结合顺序耦合场热应力有限元分析方法,求得转轮的焊接残余应力分布和残余变形规律。
A method of energy difference between elastic deformation and elastic-re-covery deformation is developed to determine the residual deformation energy. 本文提出用弹性变形能与弹复变形能的差值来确定残留变形能的方法。
The different trademarks have little influence on wind pressure resistance of aluminum-plastic composite plate and have great influence on residual deformation. 不同铝材牌号对铝塑复合板的抗风压性能影响不大,但是对其残余变形的影响较大。
It is very important to forecast the welding stress and control the welding residual deformation exactly to ensure the safe reliability of the structure. 为了保证焊接结构的安全可靠,准确地掌握焊接过程中的力学行为和控制残余变形十分重要。
In this paper, the equivalent force in the source which produces a large area deformation field is calculated by using the records of residual deformation, S wave radiation of shear dislocation source and Green Function of the Lancang-Gengma earthquake. 本文使用澜沧&耿马地震的剩余形变记录、剪切位错源的S波辐射和格林函数,计算了产生大面积形变场的震源内等效力。
The effect of cyclic strain history on the strength and residual deformation of soft clay 周期应变历史对软土强度和残余变形的影响
Based on the analysis of test data, the influence of the principle stress ratio on the occurrence and development of dynamic residual deformation is discussed. 在大量试验数据分析的基础上,探讨了主应力比Kc在残余变形产生及发展过程中的作用;
A mechanical model is proposed, which can simulate the nonlinear deformation of coal, the elastic deformation, the residual deformation and the relationship between the stress and strain after the stress peak. 文中提出一种模拟煤的非线性变形、可逆变形、残余变形及应力峰值以后的应力一应变关系的力学模型。
Numerical simulations of the centrifuge shaking table tests were conducted using the dynamic response method based on equivalent viscoelasticity model with residual deformation treatment. 采用基于等价粘弹性模型和残余变形模式的动力反应分析方法,对土坡动力离心模型试验结果进行了数值模拟。
As the prestressing tendons possess very strong deformation recovering ability, there is little residual deformation after unloading. 由于预应力筋有较强的变形恢复能力,卸载后梁的残余变形不大。
Compared the consolidation ratio, degradation degree, the dynamic stress and other factors on the influence in residual deformation parameters. 对于不同降解度的城市固体废弃物,分别利用改进后的适合MSW的残余变形模型对模型参数进行整理,比较了固结比、降解度、动应力等各种因素对残余变形参数的影响。
From the earthquake damage investigation, we can see that cracks, earthquake subsidence and landslides are all related to earthquake residual deformation, it is necessary to study the asphalt concrete residual deformation properties deep. 从震害资料分析可以看出,土石坝的裂缝、震陷、滑坡等都与地震残余变形有关,所以有必要对作为心墙防渗材料的水工沥青混凝土的残余变形性质进行深入研究。
Residual deformation of the main hill increases with increasing water content and seismic intensity. 主山的震后残余变形均随着饱和度和地震烈度的增加而增大。
In addition, a parametric research is conducted to study the effect of various parameters such as the radius-thickness ratio, draw ratio, and axial load on the ultimate strength and ductility performance of Short column. Meanwhile, the welding residual deformation is taken into consideration. 分别研究了短柱径厚比、长径比、轴力大小等参数对短柱极限强度和延性性能的影响,同时还考虑了钢管焊接残余变形的影响。
The surface and inside of metal workpieces will produce residual stress and residual deformation after cold or hot working. 经过冷热加工的金属零件中很容易产生残余应力和残余变形。
Vertical residual deformation of structural soil slopes is clearly greater than that of remoulded soil slopes. 结构性土坡的震后水平向残余变形明显大于素土坡。