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Validation of Computational Models of Steel Slag Used as Large Particles in Concrete Beams

Using slag in construction is a promisingly research direction for sustainable development in Vietnam. The properties of slag are expected to replaceable large particles in concretes. The article discusses the process of validating computational models of concrete beams in which large particles is replaced by steel slag. The model evaluation was conducted on the basis of experimental results and covers the process of modeling and identification of parameters in the model. The modeling and analysis is conducted in supported environment of Abaqus. Two models of stress-strain relationship of concretes are chosen for consideration in beams modeling processes. Each model has two curves representing
behaviors in both stages of concretes. Concretes material is simulated both compression and tension processes. They are combined with two steel reinforcement models to find suitable models of slag concretes. A meshed size is also proposed for the beams modeling. Small errors between two relationship curves of load and mid-span deflection indicates that the validation is successes.

Từ khóa: steel-slag, concrete beams, validation, Abaqus

6 p ovanketv4 29/11/2017 517 1

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