Physical, Mechanical and Microstructural Properties of Limestone High Performance Concrete

R. Chaid^1, , A. Bali², A. PERROT³ and M. Mansour¹

¹Unity of research: Materials - Processes and Environment, Boumerdes University, Algeria

²Laboratory of Construction & Environment, ENP- Algiers, Algeria

³Laboratory of Materials Engineering of Brittany, UBS, French

Cite this paper:
R. Chaid, A. Bali, A. PERROT and M. Mansour. Physical, Mechanical and Microstructural Properties of Limestone High Performance Concrete. American Journal of Civil Engineering and Architecture. 2016; 4(4):133-141. doi: 10.12691/ajcea-4-4-4

Abstract

The production of a high performance concrete (HPC) has expanded the scope use of concrete exposed to aggressive environments, thanks to the limited porosity, the durability, the rheological, physical and mechanical properties with the respect remarkable to a conventional concrete. The objective of this study is to develop a HPC incorporating finely ground limestone. The results show that the substitution of one part of cement by limestone contributes more to the improvement of physical, mechanical and microstructural properties of concrete. The couple cement/limestone contributes significantly to a densification of the matrix unlike when the cement is not substituted by addition. The survey also shows that the limestone does not fall into any chemical reaction. However, the development of resistance (physical phenomenon), obviously depends on the quality of hydrates supplied by the hydration, but also how these hydrates are assembled, their arrangement in space and their connections.

Keywords:
limestone HPC microstructure creep shrinkage

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