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Determination of the limit load of statically indeterminate truss girders

DOI: 10.2298/fuace1102217p

Keywords: limit load , static theorem , kinematic theorem , truss girders

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Abstract:

The paper presents the procedure of limit load calculation of elasto-plastic trusses exposed to the action of proportional load which is gradually increased until the formation of failure mechanism. The calculation is based on the application of static and kinematic theorem of limit analysis which are the basis of the limit analysis of structures which produce the value of the limit load in a quick and efficient manner. Application of these theorems is displayed on the examples of truss girders loaded by one- and twoparameter load.

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