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Τίτλος: Stress–Strain Model for Low-Strength Concrete in Uni-Axial Compression
Συγγραφείς: Ahmad, Sohaib 
Pilakoutas, Kypros 
Khan, Qaiser Uz Zaman 
Neocleous, Kyriacos 
Major Field of Science: Engineering and Technology
Field Category: Civil Engineering
Λέξεις-κλειδιά: Compressive strength;Elastic modulus;Low-strength concrete;Mechanical properties;Non-engineered reinforced concrete structures
Ημερομηνία Έκδοσης: 2015
Πηγή: Arabian Journal for Science and Engineering, 2015, vol. 40, no. 2, pp. 313-328.
Volume: 40
Issue: 2
Start page: 313
End page: 328
Περιοδικό: Arabian Journal for Science and Engineering 
Περίληψη: © 2014, King Fahd University of Petroleum and Minerals. One of the most significant problems found in non-engineered reinforced concrete structures is poor quality concrete and can lead to brittle failure modes even for small magnitude earthquakes. The statistics of different post-earthquake surveys indicate that the reinforced concrete building stock in developing countries can have a broad range of low-strength concrete, which can vary between 4 and 20 MPa. The lack of information regarding low-strength concrete mechanical characteristics necessitates a study on low-strength concrete and the development of appropriate stress–strain models to realistically simulate the inelastic behaviour of non-engineered structures. This paper presents the methods adopted to produce low-strength concrete in the laboratory. The stress–strain results obtained from compression tests on cylindrical concrete specimens are presented and new expressions for the modulus of elasticity, peak strain and failure strain are developed, which are used in the development of a stress–strain model for low-strength concrete.
ISSN: 2193567X
DOI: 10.1007/s13369-014-1411-1
Rights: © King Fahd University of Petroleum and Minerals
Type: Article
Affiliation: University of Sheffield 
University of Engineering and Technology, Taxila 
Cyprus University of Technology 
Publication Type: Peer Reviewed
Εμφανίζεται στις συλλογές:Άρθρα/Articles

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