A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Combination of actions for codified design
Abstract Linear cases are considered for the action-effect combinations. Coordinates of an ultimate limit point in the action space are proportional to combination values of actions. The asymptotic Gauss distribution is supposed for permanent load and the Gumbel distribution for extreme variable actions. The moment and collocation methods are used for conversion of the Gumbel parameters to the Gauss-normal ones. Combination values of simultaneous actions are reduced according to the Ferry-Borges and Castanheta's rule. Design values are enhanced due to variations of actions in the ensemble of typical realizations. A constant hazard ratio is derived for exceeding the ultimate limit of actions. Equivalent load-effect indices and factors are variable with the variance of action effects. New safety elements are calibrated in conformity with the European partial factors and they are close to the American combination values.
Combination of actions for codified design
Abstract Linear cases are considered for the action-effect combinations. Coordinates of an ultimate limit point in the action space are proportional to combination values of actions. The asymptotic Gauss distribution is supposed for permanent load and the Gumbel distribution for extreme variable actions. The moment and collocation methods are used for conversion of the Gumbel parameters to the Gauss-normal ones. Combination values of simultaneous actions are reduced according to the Ferry-Borges and Castanheta's rule. Design values are enhanced due to variations of actions in the ensemble of typical realizations. A constant hazard ratio is derived for exceeding the ultimate limit of actions. Equivalent load-effect indices and factors are variable with the variance of action effects. New safety elements are calibrated in conformity with the European partial factors and they are close to the American combination values.
Combination of actions for codified design
Murzewski, Janusz W. (author)
Structural Safety ; 13 ; 113-135
1993-01-01
23 pages
Article (Journal)
Electronic Resource
English
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