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Hooshang Dabbagh

Hooshang Dabbagh

Academic rank: Associate Professor
ORCID:
Education: PhD.
ScopusId: 56926457100
HIndex:
Faculty: Faculty of Engineering
Address: Department of Civil Engineering-University of Kurdistan-Gharadian-Pasdaran Blvd.-Sanandaj-Iran
Phone: (+98)8733662313

Research

Title
Damage mechanism of SCC under cyclic loading with different speed
Type
JournalPaper
Keywords
Self-compacting concrete Cyclic loading Loading rate Stress–strain curve Fracture mechanism
Year
2015
Journal CONSTRUCTION AND BUILDING MATERIALS
DOI
Researchers Hamon Fathi ، Hooshang Dabbagh

Abstract

In this experimental research, the effects of cyclic loading at different frequencies on self-compacting concrete were studied. 108 standard cylindrical specimens and 120 cubic specimens were tested. The specimens had compressive strengths of approximately 25 MPa, 35 MPa and 45 MPa. The rate of loading was studied in the 0.05–250 KN/s range. The results showed that the behavior of concrete before and after peak loading depended on the number of loadings as well as the loading rate. Failure of concrete under periodic loading at high frequencies led to increased micro cracks in a direction perpendicular to that of the principal cracks.