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Engineered Cement Composites properties for Civil Engineering applications
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Boughanem, S., Jesson, D. A., Mulheron, M. J., Smith, P. A., Eddie, C. M., Psomas, S. and Rimes, M. (2011) Engineered Cement Composites properties for Civil Engineering applications. In: 18th International Conference on Composite Materials (ICCM 18), South Korea, 21-26 Aug 2011
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Abstract
Engineered Cement Composites (ECC) materials have the potential to be used in civil engineering applications where a level of ductility is required to avoid brittle failures. However uncertainties remain regarding mechanical performance, physical properties, shrinkage and durability. In the present work, specimens containing cement powder and admixtures have been manufactured following two different processes and tested mechanically. Multiple matrix cracking has been observed in both tensile and flexural tests and this leads to “strainhardening” behaviour. The results have been correlated with sample density and porosity and it is suggested that higher levels of porosity do not necessarily lead to a loss of the strain hardening capacity. Shrinkage has been investigated and it is shown, consistent with the literature, that shrinkage can be reduced both by controlling the initial environment to which the material is exposed and by the use of additives. Durability was assessed by flexure testing of beams specimens aged for different times. Initial testing (up to one year) indicates that the specimen retain ductility, although the initial cracking threshold increases with time – which may have implications for longer aging times.
Item Type: | Conference Item (Paper) | ||||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||
Official Date: | 2011 | ||||||
Dates: |
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Status: | Not Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||
Conference Paper Type: | Paper | ||||||
Title of Event: | 18th International Conference on Composite Materials (ICCM 18) | ||||||
Type of Event: | Conference | ||||||
Location of Event: | South Korea | ||||||
Date(s) of Event: | 21-26 Aug 2011 | ||||||
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