...Jiang Wu; Qianqian Ke; Jiangxiong Wei; Jie Hu; Wen Zhu; Haoliang Huang In this study, three-dimensional digital image correlation was used to characterize the nonuniform volume deformation of concrete under sulfate attack. Based on the test and results, it was determined that the displacement...

...Sheng-Qi Yang; Bo Hu; Peng Xu The time-dependent deformation behavior of hard-soft composite rock has a significant effect on tunnel excavation. In this article, a method to prepare hard-soft composite rock specimens with orientations ranging from 0° to 90° is presented. The influences of the dip...

... of fatigue process was detected via sensors, strain gages, and an X-ray computed tomography (CT) scanner. Parameters of fatigue life, deformation, internal cracks, and strength under different stress levels are analyzed based on measurements. The stress-cyclic number ( S-N ) equation is also given...

... loading until failure. The experimental results showed that the strengthened beams exhibit significantly improved performance compared with the control beams in terms of strength, deformation, ductility, and crack resistance under monotonic loads. 06 12 2017 19 07 2018 17 12 2018...

.... The objective of this article is to investigate the effects of warm-mix additive types and crumb rubber concentration on the resistance to deformation of crumb rubber–modified (CRM) binders through the repeated creep and recovery test (RCRT), dynamic shear rheometer (DSR), and rotational viscosity test. The CRM...

...Jun Chen; Yuqing Zhang; Hui Li; Ying Gao Functionality of an open graded friction course (OGFC) depends on the high interconnected air voids or pores of the OGFC mixture. The authors' previous study indicated that the pores in the OGFC mixture were easily clogged by rutting deformation...

... 2001 mechanical properties deformation aging plastic material sorption References Lee , N. C. , Plastics Blow Moulding Handbook , Reinhold   V. N. , Ed., New York , 1989 . Caldicott , R. J. , “ The Basics of Stretch Blow Molding PET Containers ,” Plastics...

... behavior, cyclic deformation response, and low and high cycle fatigue resistance. Experimental results are presented and the differences in the behaviors under the two processing conditions are discussed. L. Yang ~and A. Fatemi I Deformation and Fatigue Behavior of Vanadium-Based Microalloyed Forging Steel...

...-term tests. 11 09 1989 16 01 1990 brittle creep rupture constitutive equation chromium-molybdenum-vanadium deformation ductility grain boundary sliding intergranular notch relaxation steel strength strain rate slip toughness tests transgranular References...

... crack threshold HSLA deformation SAE 945X steel transverse References Forrest , P. G. , Fatigue of Metals , Pergamon Press , Oxford , 1962 . Heywood , R. B. , Design Against Fatigue of Metals , Reinhold , New York , 1962 . Klesnil , M. and Lukas , P...

... temperature. In addition to stress-relaxation data the alloys studied are characterized by their tensile and bending properties as well as electrical conductivity. copper alloys bend tests stress relaxation copper beryllium alloys deformation elastic properties flat springs mechanical properties...

... lateral restraint to the specimen and has a high load-transmitting capacity. Strain measurements on specimens subjected to uniaxial compression applied by lamina platens show uniform deformation and indicate that the specified stress state (purely normal stresses applied to the boundaries of the specimen...

... an evaluation of spring performance for extended service life applications are presented for these alloys. copper alloys stress relaxation bend tests copper-nickel-tin alloys deformation elastic properties flat springs mechanical properties stress relaxation yielding References Fox...

... not. Similar conclusions could not be drawn on the basis of bending yield strength. bend tests copper alloys deformation elastic properties flat springs mechanical properties stress relaxation yielding References Faires , V. M. , Design of Machine Elements , 4th ed. , McMillan , New...

... available. Equations were developed to allow the prediction of creep performance. The correlations developed are not applicable to anisotropic materials. torsion mechanical properties shear modulus deformation creep properties References Timoshenko , S. and Goodier , J. N...

...HR Jhansale Simple calculations for estimating extremes in fatigue life of metals, with or without accounting for cycle-dependent hardening, softening, and mean stress relaxation, are presented. These calculations aid in assessing the importance of cyclic deformation properties in cumulative damage...

...JL Goldberg; KM O'Toole; H Roper Holographic interferometry is used to study the deformation of one surface of a concrete test specimen while water is allowed to diffuse into the body of the material. The potential of this new approach for examining the dynamic behavior of swelling concrete...

...WL Ducker; CVG Vallabhan; WS McMullin A critical evaluation of the mechanical design of beam testing apparatus used to determine the flexural strength of concrete by ASTM methods C 78-64(1972) and C 293-68 is presented. Two approaches were used in the evaluation: (1) an experimental deformation...

...MH Farzin; RB Corotis; RJ Krizek A new approach is advanced to analyze and interpret experimental data from a compression test on a cylindrical soil specimen. With a knowledge of the applied axial and radial pressures, the overall axial deformation, and radial deformations at several discrete...

...TC Hsü The distinction between coaxial and noncoaxial strains is explained. It is shown that with noncoaxial strains deformation does not necessarily produce a change of shape, if circles and ellipses are used for strain measurements. If materials are tested in exisymmetrical processes, in which...