Course Description

This course concentrates on the physical and chemical properties of cement based materials. Various types and the chemical composition of hydraulic cements are discussed. Basic properties of mineral aggregates and their effects on the plastic and hardened concrete are studied. Principles of mix design of concrete mixtures, in addition to adjustments due to variations in temperature, aggregate moisture, admixtures; specifications and quality control of fresh and hardened concrete are covered.

Hydration reactions, microstructural developments due to hydration, and their effects on the mechanical, and material properties are presented. Fundamental techniques such as X-ray diffraction, scanning electron microscope, BET, and mercury intrusion porosimetry are introduced. Their use in the characterization of various phases, pore size distribution, surface area, degree and rate of hydration of cementitious materials will be discussed. Special emphasis is placed on the relationship between the microstructure and the macro properties such as strength, porosity, permeability, and durability.

Mechanical properties of concrete using the stress-strain relationship are discussed. Theories of failure based on strength criterion, fracture mechanics, composite materials, and multi-axial loading criterions will be discussed.

Development of specialty materials including light weight concrete, high strength concrete, cellular concrete, waste by-product utilization, fiber reinforced concrete, and polymer concrete will be studied.

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Barzin Mobasher

Arizona State University