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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... Press and Springer-Verlag Berlin Heidelberg 2016 Abstract: The objective of this work is to model the microstructure of asphalt mixture and build virtual test for asphalt mixture by using Particle Flow......
:A 文章编号:1672-7207(2016)04-1253-09 Numerical simulation of joint direct shear test based on continuously yielding joint model GAO Yanhua1, WU Shunchuan1... in Shanxi Province, the mechanical parameters of rock and joint were determined. Based on continuously yielding joint model, joint direct shear numerical test was conducted by using FISH programs embedded......
a small number of soil parameters, it may be applied directly to practical design works.Key words:bearing capacity; eccentric load; slip surface; shear band; finite element method; model test... associated with the yield condition of elements. To overcome these defects, a numerical procedure is proposed to create an explicit collapse mode combining a modified smeared shear band approach......
an 710129,China摘 要:The flat cylindrical indentation tests with different sizes of punch radius were investigated using finite element method(FEM) aimed to reveal the effect of punch size on the indentation behavior of the film/substrate system.Based on the FEM results analysis,two methods was proposed to separate film s reduced Young s modulus from......
:1672-7207(2013)11-4643-09 Effect of sample preparation error on direct shear test of rock mass discontinuities YONG Rui, HU Xinli, TANG Huiming, LI Changdong, WU Qiong (Faculty of Engineering, China University of Geosciences, Wuhan 430074, China) Abstract: On the basis of the relative positions of direct shear test shear direction and sample error angle, the improved deducing processes of shear strength......
temperature and high temperature (300 °C). The results of microstructure characterization by SEM and shear strength test revealed that the joints between the layers of 4-pass ECAPed samples were... electron microscope (SEM) and X-ray diffraction (XRD). The shear strength of the joints was also measured by shear strength test and the results were compared to each other. 2 Experimental The materials used......
for four times, the relationship among the peak shear strength, shear test times and normal stress and between the roughness coefficient and shear test times were analyzed. A new shear strength criterion and roughness coefficient CJR degradation criterion were proposed considering the effects of both the normal stress and test times. The results show that the peak shear stress decreases gradually......
Elastic-plastic properties of thin film on elastic-plastic substrates characterized by nanoindentation test JIANG Li-mei(蒋丽梅)1, 2, ZHOU Yi-chun(周益春)2, HUANG Yong-li(黄勇力)2 1. College of ...; nanoindentation test; dimensionless analysis; finite element analysis 1 Introduction Thin films are ubiquitous in modern technology, from integrated circuits to thermal barrier coatings, due to its high......
punch bulging test 1 Introduction Tailor-welded blanks (TWBs) are constituted of two or more materials with different strengths or thicknesses or surface coatings joined together to form a single... yield criteria. The elastoplastic mechanical properties of the TWBs weld and heat affected zone metals are obtained by a nanoindentation test. The hemispherical punch bulging tests are performed......
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