C60 High Performance Concrete Prepared from Manufactured Sand with a High Content of Microfines

Abstract:

The workability, strength and modulus of elasticity, drying shrinkage and creep, and chloride ion permeability as well as freeze-thaw resistance of the C60 high Performance concretes (HPCs) with manufactured sand (MS) containing crushed limestone dust in percents ranging from 3.5% to 14% were experimentally investigated. The results were compared with those of river sand (RS) concrete. In addition, the effect of clay amounts at 3% and 5% in MS on properties of C60 HPCs was also investigated. The results showed that expect for the creep, the other performances of C60 MS-HPCs with crushed limestone dust content of 7% to 10.5% were excellent or compared favorably with those of C60 RS-HPCs. The increment of clay content in MS obviously decreased workability, increased dry shrinkage and accelerated freeze-thaw destruction of C60 MS-HPCs, but didn’t affecting compressive strength and chloride ion permeability of the concrete. It was concluded that C60 HPC can be made with MS with a high content of crushed limestone dust but the amount of clay in MS should be controlled to a low limit.

• Periodical: Key Engineering Materials (Volumes 405-406)
• Pages: 204-211
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.405-406.204
• Online since: January 2009
• Authors: Bei Xing Li, Ji Liang Wang, Ming Kai Zhou
• Keywords: Clay, Crushed Limestone Dust, High-Performance Concrete (HPC), Manufactured Sand (MS)

References

[1] GB/T14684-2001: Sand for Building of Standard of People's Republic of China (China Standard Press, Beijing2002).

[2] ASTM C33-1997: Standard Specification for Concrete Aggregate (American Society for Testing and Materials Annual Book, 1998).

[3] BS 882: 1992: Aggregates from �atural Sources for Concrete (British Standard Institution, 1992).

[4] H. Uchikawa, S. Hanehara and H. Hirao: Cement and Concrete Research Vol. 26 (1996), p.101.

[5] CECS01-2004: Guide of Design and Construction to Durability of Concrete Structure, China Architecture Press, Beijing (2005).

[6] V. Bonavetti, H. Donza, V. Rahhal and E. Irassar: Cement and Concrete Research Vol. 30 (2000), p.703.

DOI: 10.1016/s0008-8846(00)00217-9

[7] V.L. Bonavetti , V.F. Rahhal and E.F. Irassar: Cement and Concrete Research Vol. 31 (2001), p.853.

DOI: 10.1016/s0008-8846(01)00491-4

[8] J. Tragardh, in: Microstructural Features and Related Properties of Self-Compacting Concrete, edited by Åke Skarendahl and Ö. Petersson, Proceeding of the 1st International RILEM Symposium on Self-Compacting Concrete, RILEM Publication, Cachan Cedex (1999).

DOI: 10.1007/bf02484169

[9] N. Belaribi, G. Pons and B. Perrin: Cement and Concrete Research Vol. 27 (1997), p.1429.

[10] S. C. Zhao, H. Qiu and J.X. Gong: Journal of Highway and Transportation Research and Development-Application Technology Edition (2007), p.111.