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The effects of seawater on the hydration, microstructure and strength development of Portland cement pastes incorporating colloidal silica

This contribution investigates the effects of seawater and colloidal silica (NS) in the amounts of 1, 3 and 5 wt%, respectively, on the hydration, strength development and microstructural properties of Portland cement pastes. The data reveal that seawater has an accelerating effect on cement hydration and thus a significant contribution to early strength development was observed...

The Effects of Anisotropic Insulations with Different Spatial Distributions on Material Properties of Mortar Specimens

Sang-Yeop Chung Mohamed Abd Elrahman Dietmar Stephan Insulating concrete is a material designed to reduce heat conduction with pores/insulations, and these pores strongly affect the material

Spatial Distribution of Voids in Insulating Concrete Analyzed by Micro-CT Images and Probability Functions

, Germany Received 2 February 2015; Revised 2 April 2015; Accepted 13 April 2015 Academic Editor: Peter Majewski Copyright © 2015 Sang-Yeop Chung et al. This is an open access article distributed under