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Three-dimensional analysis of elastic stress distribution of indented ceramic surface by finite element method Tatsuyuki NEZU Department of Mechanical Engineering, Ichinoseki National College... indentation pattern for three different materials, Al2O3, Si3N4 and SiC were analyzed by finite element method(FEM). Those theoretical results were also compared with the experimental ones by Rockwell......
: 剪切位移法; 桩; 塑性; 解析解 中图分类号:TU473.1 文献标识码:A 文章编号: 1672-7207(2005)01-0163-06
Analytical Solution for Axial Loading-settlement Curveof Piles Using Extensive Shear Displacement Method
NIE Geng-xin1,2... analytical formula can be widely used to sovle practical engineering problems. Key words: shear displacement method; pile; plasticity; analytical solution
......Simulation on range of surface subsidence in worked-out section by discrete element method
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来源: 《中国有色金属学报(英文版)2005年第z1期》——YANG Fan MA Feng-hai
) method Mehrdad Sarafrazi, Armen Adamian Mechanical Engineering Department, School of Engineering, Central Tehran Branch,Islamic Azad University, Tehran, Iran Central South University Press and Springer... and transverse reinforcements. Buckling static characteristic is utilized in optimization process. To solve the extracted equations, semi-analytical method of CS-DSG3 has been applied. Results......
Influence of two-step cooling method on magnetic properties of Fe82Mo7B10Cu1 nanocrystalline alloy PENG Kun(彭 坤), ZHOU Ling-ping(周灵平), HU Ai-ping (胡爱平), ZHU Jia-jun(朱家俊), LI De-yi(李德意) College... studied as a function of cooling condition. The results show that higher permeability and relaxation frequency can be obtained by the two-step cooling method, and the pinning field of the sample obtained......
位移,中心线下方的土体向上位移,因此,隧道埋深增加将引起了土体向下位移的范围增大,此时,土中桩基便受到更多的土体向下位移的荷载,导致其产生了更大的竖向位移. 图5 不同影响因素变化下的桩基竖向位移 Fig. 5 Vertical displacement of pile foundation under different influencing factors 3.2 地层损失比 为研究地层损...影响 Fig. 6 Influence of different pile spacing on vertical displacement 4 结论 1) 采用本文方法计算盾构隧道引起的邻近单桩竖向位移与有限元结果吻合,但在考虑群桩的遮拦效应时,计算的前桩竖向位移与有限元结果相比整体偏大. 2) 控制其余参数不变时,隧道埋深增加及隧道开挖引起的地层损失比增大均会导致邻近群桩的竖向位移......
J. Cent. South Univ. (2020) 27: 3163-3174 DOI: https://doi.org/10.1007/s11771-020-4538-0 Measuring internal residual stress in Al-Cu alloy forgings by crack compliance method with optimized... process. In this work, the crack compliance method was used to calculate the internal residual stress of Al-Cu high strength alloys, and the effect of various model parameters of crack compliance method......
Trans. Nonferrous Met. Soc. China 22(2012) 1526-1532 A general method to calculate passive earth pressure on rigid retaining wall for all displacement modes PENG Shu-quan, LI Xi-bing, FAN Ling, LIU... pressure is linear to the corresponding horizontal displacement and the soil behind retaining wall is composed of a set of springs and ideal rigid plasticity body, the general analytical method......
J. Cent. South Univ. (2016) 23: 1525-1534 DOI: 10.1007/s11771-016-3204-z Microstructure modeling and virtual test of asphalt mixture based on three-dimensional discrete element method MA Tao(马涛)1, 2... Code in three dimensions (PFC3D) based on three-dimensional discrete element method. A randomly generating algorithm was proposed to capture the three-dimensional irregular shape of coarse aggregate......
of the slope is the linear slippage, displacement of the slip block increases from the top to the bottom of slope, and the maximum horizontal displacement is located at the shear place of slope rock mass. After reinforced by the bolts, on the stratified rock slope, there will occur some certain deformation along the joint plane. The displacement of the monitoring points decreases along the slope natural......