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Model for the determination of the load carrying capacity of the RC walls

Miškovic Z.

Computer Assisted Mechanics and Engineering Sciences

2004

Vol. 11, No. 2-3

247-261

The paper presents the possibility of the limit stress state approximation of the reinforced concrete wall structures by discontinuous stress fields with variable configuration. Heuristic optimization technique, simulated annealing, is applied to determine optimal configuration for approximation of load carrying capacity based on lower bound theorem of theory of plasticity. Model was tested by comparing with the results of several experimental tested beams, as well as with other numerical models.

Plastic design of elements of bolt and pin joints subjected to compressive loads

Zowczak W.

Engineering Transactions

1998

Vol. 46, iss. 1

27-44

Two types of statistically admissible stress fields for plastic design of are proposed. They are constructed by the method of characteristics (slip-lines), know from the theory of plastic flow. The structure of the fields is described and examples of possible applications are presented.