Journal of engineering mechanics, Vol. 134 N°1. Journal of engineering mechanics (ASCE) - Janvier 2008
| Titre : | Journal of engineering mechanics, Vol. 134 N°1. Journal of engineering mechanics (ASCE) - Janvier 2008 |
| Type de document : | Bulletin |
| Paru le : | 12/02/2008 |
Dépouillements
Article : texte imprimé
Roman Lackner, Auteur ;
Christian Pichler, Auteur ;
Andreas Kloiber, Auteur
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The transport and mechanical properties of saturated soil drastically change when temperatures drop below the freezing temperature of water. During artificial ground freezing, this change of properties is exploited in order to minimize deformati[...]
Article : texte imprimé
Earthquake safety evaluation of gravity dams considering aftershocks and reduced drainage efficiency
Pierre-Marie Alliard, Auteur ;
Pierre Léger, Auteur
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This paper develops a methodology to perform seismic response analyses of concrete gravity dams considering aftershocks, and reduced drainage efficiency due to disruption of the drainage system. A database of earthquake records has been assemble[...]
Article : texte imprimé
Ozcelik, O., Auteur ;
J. Enrique Luco, Auteur ;
Joel P. Conte, Auteur
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A least-squares method is used to determine the fundamental parameters of a simple mathematical model for the mechanical subsystem of the NEES-UCSD large high performance outdoor shaking table. The parameters identified include the effective hor[...]
Article : texte imprimé
Jin-Song Pei, Auteur ;
Krisda Piyawat, Auteur
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This paper investigates how to design deterministic excitation forces in studying nonlinear single-degree-of-freedom systems, especially those with rate and path dependency and strength and stiffness degradation. One frequency-modulated periodic[...]
Article : texte imprimé
Subhasish Dey, Auteur ;
Arindam Sarkar, Auteur
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The results of an experimental investigation on the flow field in submerged jumps on horizontal rough beds, detected by an acoustic Doppler velocimeter, are presented. Experiments were conducted for the conditions of submerged jumps, having subm[...]
Article : texte imprimé
M. A. Sadeque, Auteur ;
N. Rajaratnam, Auteur ;
M. R. Loewen, Auteur
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This paper presents the results of an experimental study of flow around cylindrical objects in an open channel. Cylindrical objects of equal diameter and four heights were tested under similar flow conditions producing four different levels of s[...]
Article : texte imprimé
Yu Liu, Auteur ;
Susanto Teng, Auteur ;
Chee-Kiong Soh, Auteur
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A damage model for concrete is proposed based on the existing displacement equivalence-based model for brittle materials. The model is established in a randomly selected coordinate system so as to consider the cases where the principal direction[...]
Article : texte imprimé
Yu Liu, Auteur ;
Susanto Teng, Auteur ;
Chee-Kiong Soh, Auteur
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A three-dimensional damage model for concrete has been proposed in the preceding paper, Part I: Theory. This paper focuses on the application of the damage model for quasi-brittle materials such as concrete. The determination of model parameters[...]
Article : texte imprimé
Heung Fai Lam, Auteur ;
Ching Tai Ng, Auteur ;
Andrew Yee Leung, Auteur
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The problem of crack detection has been studied by many researchers, and many methods of approaching the problem have been developed. To quantify the crack extent, most methods follow the model updating approach. This approach treats the crack l[...]
Article : texte imprimé
Yuping Wang, Auteur ;
Roberto Ballarini, Auteur ;
Gregory J. Rodin, Auteur
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Two micromechanical models are used to calculate the statistical distributions of the stress intensity factor of a crack in a polycrystalline plate containing stiff grains and soft grain boundaries. The first is a finite-element method based Mon[...]
Article : texte imprimé
S. Arul Jayachandran, Auteur ;
S. Seetharaman, Auteur ;
Susan Abraham, Auteur
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Plates resting on an elastic medium are normally analyzed in a simplified way using the linear Winkler foundation approach. Nevertheless, plates resting on layered medium with vast differences in their moduli exhibit nonlinear behavior under pre[...]
Article : texte imprimé
W. H. Duan, Auteur ;
C. M. Wang, Auteur
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In this technical note, analytical solutions for the elastic buckling of heavy columns with various combinations of end conditions are derived, for the first time, in terms of generalized hypergeometric functions. The benchmark solutions may be [...]
Article : texte imprimé
M. K. Kwan, Auteur ;
R. R. Hwang, Auteur
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For flows past a cylinder with a transversely oscillatory external forcing, a rapid phase change of π during synchronization has been noted in experimental studies in both laminar and turbulent regimes. In the present analysis, the Stuart–Landau[...]
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