Results 151 to 160 of about 564 (199)

Application of Shakedown Theory in Characterizing Traditional and Recycled Pavement Base Materials

Journal of Transportation Engineering, 2010
To facilitate the use of recycled materials in pavement construction, a mechanistic-based approach is required to better characterize pavement base materials. This paper demonstrates the application of the shakedown theory to characterize the behavior of
Mingjiang Tao, Louay N Mohammad, Munir D Nazzal   +2 more
exaly   +2 more sources

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Application of shakedown theory in track substructure design

Proceedings of the Institution of Civil Engineers - Ground Improvement, 2019
Tracks require high performance of earth structures against excessive residual settlement under repeated train loads. In the current design standards, the quality of soil materials and compaction control are strictly prescribed based on empirical knowledge and scale tests; however, construction costs become relatively high accordingly. A more rational
Shu Liu, Juan Wang
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Advanced Material Modelling in Shakedown Theory

2002
The aim of this lecture is to present possibilities how to extend the validity of shakedown theory to other than linear elastic-ideal plastic or linear elastic- unlimited linear hardening material behaviour in conjunction with the validity of the normality rule.
Dieter Weichert, Abdelkader Hachemi
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A Historical View on Shakedown Theory

2014
Plastic design started in the early 20th century with the arrival of steel constructions in civil engineering. The objective was to determine the load carrying capacity in particular of steel bridges and steel skeleton buildings beyond the elastic limit. The related studies were first focused on monotonically increasing, “dead” loading. From this point
Dieter Weichert, Alan Ponter
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Analysis of pressure equipment by application of the primal‐dual theory of shakedown

Communications in Numerical Methods in Engineering, 2006
AbstractThe paper describes the application of the primal‐dual theory of limit and shakedown analysis in safety assessment and design of pressure components according to the new European approach to design by analysis. Two methods, the static and kinematic one, and their combination, the primal‐dual method, are discussed.
Vu, Duc Khoi, Staat, Manfred (Prof. Dr.-Ing.), Tran, Ich Thinh   +2 more
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An extended shakedown theory on an elastic–plastic spherical shell

Engineering Structures, 2015
Abstract The article analyses one of possible optimization methodologies for ideal elastic–plastic structures at shakedown and its application for shallow spherical shells having prescribed geometry and affected by a variable repeated load (VRL) – a system of external forces that may vary independently of each other.
J. Atkočiūnas, T. Ulitinas, S. Kalanta, G. Blaževičius   +3 more
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Application of Shakedown Theory and Numerical Methods

2002
In this lecture, the methodological framework for the numerical application of shakedown analysis is developed. Examples of applications such as the analysis and optimisation of composite materials and the analysis of various plates and shells problems are presented.
Dieter Weichert, Abdelkader Hachemi
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The Reliability of Bar Structures in the Light of the Shakedown Theory

1992
A series of works dealing with the evaluation of the reliability of structures where the possibility of plastic strains is taken into accound have been published in recent years. In most of them, however, the problem is considered from the point of view limite state capacity [1–4].
P. Sniady, S. Zukowski
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On kinematic upper bounds for the safety factor in shakedown theory

International Journal of Plasticity, 1992
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Kamenyarzh, Ya., Weichert, D.
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A minimum theorem for cyclic load in excess of shakedown, with application to the evaluation of a ratchet limit

European Journal of Mechanics, A/Solids, 2001
Although the shakedown theorems for perfect plasticity have been known since Koiter's 1960 review paper, extensions of the theory to situations where ratchetting or reverse plasticity occurs in excess of shakedown have not appeared in the literature.
Alan R S Ponter, Haofeng Chen
exaly   +2 more sources