Fracture properties of cement and alkali activated fly ash based concrete with application to segmental tunnel lining

Authors:
M. ŠEjnoha;M. BroučEk;E. Novotná;Z. KeršNer;D. Lehký;P. FrantıK
Affiliations:
-;-;-;-;-;-
Venue:
Advances in Engineering Software
Year:
2013

Citing 3
Cited 0

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Abstract

Several cement and alkali activated fly ash based concrete samples are examined in this paper with emphasis on their fracture properties. These are first obtained from an extensive experimental program. The measured loading curves are then compared with those derived numerically in the framework of an inverse approach. Here, the artificial neural network and the ATENA finite element code are combined to constitute the optimization driver that allows for a reliable determination of the modulus of elasticity, fracture energy, and tensile strength of individual concretes. A brief introduction to the numerical analysis of fiber reinforced specimens again in conjunction with inverse analysis is also provided.