Long-term deflections of green concrete beams: Analytical and numerical calculations
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Reliably calculating the deflections is one of the more difficult aspects of the design of reinforced concrete members. All calculation models require a large number of experimental results for their calibration. Such results are lacking for beams made of green concretes with recycled and waste materials. This paper presents the results of applying analytical and numerical calculation models for predicting deflections of reinforced natural aggregate concrete, recycled aggregate concrete and high-volume fly ash concrete beams. Experimental results on six simply supported beams were compared with predictions obtained using the fib Model Code 2010 analytical model and a numerical model formulated using DIANA. Results confirm the applicability of these models in predicting deflections of green concrete beams.
Source:ASES International congress proceedings / Association of Structural Engineers of Serbia, 15th Congress, September 6-8th, 2018, Zlatibor, 2018, 420-429
- Društvo građevinskih konstruktera Srbije, Beograd