Comparison on Auto Aerated Concrete to Normal Concrete

Author(s):
Darshan Mehta, S.S.A.S.I.T, Surat, Gujarat,India ; Kavita Choksi ,S.S.A.S.I.T, Surat, Gujarat,India ; Tarjani Chauhan ,California State University, Fullerton, USA
Keywords
AAC, Aerated concrete
Abstract
Aerated concrete is relatively homogeneous and compared to normal concrete, as it does not contain coarse aggregate phase that shows vast variation in its properties. The properties of aerated concrete depend on its microstructure and composition, methods of pore-formation and curing. AAC is a relatively new concrete masonry material that is lightweight, easy to construct, and economical to transport. However, in other parts of the world it use has been used successfully as a building material for over fifty years. It was observed that fly ash responds poorly to autoclaving. This paper details the history, physical properties, manufacturing process, and structural design of AAC and concludes that it has important advantages as a structural building material comparing with the Normal Concrete that deserves further consideration for use in the United States.
Reference
[1]	N. Narayanan, K. Ramamurthy, Microstructural investigations on aerated concrete, Building Technology and Construction Management Division, Department of Civil Engineering, Indian Institute of Technology Madras, Chennai 600 036, India.
[2]	P. Prim, F.H. Witmann, Structure and water absorption of aerated concrete, in: F.H. Wittmann (Ed.), Autoclaved Aerated Concrete, Moisture and Properties, Elsevier, 1983, pp. 43 to 53.
[3]	Konstantin Kovler, Nicolas Roussel, Properties of fresh and hardened concrete, journal homepage: http://ees.elsevier.com/CEMCON/default.asp.
[4]	U. Schneider, Recommendation of RILEM TC 200-HTC: mechanical concrete propertiesathightemperatures—modelling and application, part11: relaxation, Materials and Structures 40 (5) (2007) 449–458.
[5]	Jennifer TANNER1,3, Jorge VARELA2,3, Matthew BRIGHTMAN3, Ulises CANCINO3, Jaime ARGUDO34, and Richard KLINGNER5, SEISMIC PERFORMANCE AND DESIGN OF AUTOCLAVED AERATED CONCRETE (AAC) STRUCTURAL SYSTEMS.
[6]	Tanner, J.E., “Design Provisions for AAC Structural Systems,” PhD Dissertation, Department of Civil Engineering at the University of Texas at Austin, May 2003.
[7]	Ali J. Hamad, Materials, Production, Properties and Application of Aerated Lightweight Concrete: Review.
[8]	S. Rooyen, “Structural lightweight aerated concrete,” M.S. thesis, Stellenbosch University, 2013.
[9]	A. M. Neville and J. J. Brooks, Concrete Technology, second edition, Prentice Hall, Pearson Education, 2010, pp. 351-352.
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[11]	Husain Al-Khaiat1 and naseer haque2, strength and durability of lightweight and normal weight concrete.
Other Details
Paper ID: GRDCF001018
Published in: Conference : Recent Advances in Civil Engineering for Global Sustainability (RACEGS-2016)
Page(s): 90 - 94
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