Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/27683
Title: Properties of high-strength foam concrete
Authors: KONG RUIWEN
Keywords: foam concrete, high strength, flow value, experimental study, creep, shrinkage
Issue Date: 18-May-2004
Source: KONG RUIWEN (2004-05-18). Properties of high-strength foam concrete. ScholarBank@NUS Repository.
Abstract: The objective of the present research work is to study the mechanical and thermal properties of high-strength foam concrete and explore the possibility to improve the properties by the incorporation of sand and fibre. The results showed that there exists a minimum and maximum flow value of the premixed paste for the production of foam concrete and an optimal flow value corresponding to the highest compressive strength value. The compressive strength of the foam concrete can be expressed as a function of its density and the compressive strength of a cementitious material paste. The foam concrete in this study had higher autogeneous shrinkage but lower drying shrinkage compared with conventional foam concrete. Compared with foam concrete without sand, foam concrete with middle-east dune sand had higher modulus of elasticity, lower creep and shrinkage but comparable strength. The introduction of fibre did not reduce the free shrinkage but reduced the shrinkage cracking of the foam concrete significantly.
URI: http://scholarbank.nus.edu.sg/handle/10635/27683
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