March 2011
Seismic performance reliability analysis for reinforced concrete buildings
Reliability analysis assessment of seismic performance for reinforced concrete buildings was investigated in this work. This was performed through the response surface methodology in order to derive explicit expression of the failure function. Two limit states defined in terms of the total building roof displacement and the maximum inter-story drift were considered. The seismic behaviour of the building was...
March 2011
Artificial neural networks in calculation of telecommunication towers natural frequency
The present paper presented the training or learning algorithms in telecommunication towers based on the artificial neural networks to calculate accurately their natural frequency in different supporting conditions. Using SAP2000 program, the real frequency is calculated and is defined as a goal function for neural network, so that all outputs of the network can be compared to this function and the error can...
March 2011
A conceptual approach of the mixture proportioning technique for producing self compacting concrete
Self Compacting Concrete (SCC) refers to a highly flowable concrete composite, designed for sufficient viscosity and cohesion to avoid segregation of aggregates. A carefree concreting practice at construction site and reduction in construction time makes SCC the most popular material among civil engineers. However, the lack of good understanding of the material properties and a reliable mixture proportioning technique...
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