Characteristics Of Class C Fly Ash Affecting Concrete Durability In A Sulfate Environment
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Fly Ash in Concrete
| Author | : R C Joshi |
| Publisher | : CRC Press |
| Total Pages | : 290 |
| Release | : 1997-11-13 |
| Genre | : Technology & Engineering |
| ISBN | : 9789056995805 |
Since it was first recognized as a mineral admixture for concrete in the 1930's, fly ash has been the subject of worldwide study as researchers work to maximize its economical and environmental benefits. In recent years, investigations have focused on the physical, chemical and mineralogical characteristics of fly ash and their specific correlation to the performance of concrete. This book collects the latest results from these various studies and offers a complete review of the advantages of fly ash as an admixture in concrete, including strength development and improved chemical resistance and durability. A review of the current international standards on fly ash usage is provided, in addition to an extensive reference list and a complete survey of various other fly ash products, such as bricks, mineral wool and gypsum wall boards, as well as the use of fly ash in waste management.
Fly Ash in Concrete
| Author | : K. Wesche |
| Publisher | : CRC Press |
| Total Pages | : 298 |
| Release | : 2004-03-01 |
| Genre | : Architecture |
| ISBN | : 0203626419 |
This book is a state-of-the-art report which documents current knowledge on the properties of fly ash in concrete and the use of fly ash in construction. It includes RILEM Recommendations on fly ash in concrete and a comprehensive bibliography including over 800 references.
Durability of Nano-modified Fly Ash Concrete to External Sulfate Attack Under Different Environmental Conditions
| Author | : Md. Mahbubur Rahman |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2014 |
| Genre | : |
| ISBN | : |
There are still research gaps regarding the effects of key parameters such as water-to-cementitious materials ratio (w/cm), type of binder and pore structure characteristics on the response of concrete to special forms of sulfate attack: physical salt attack (PSA) and thaumasite sulfate attack (TSA). Hence, this study aims at developing an innovative type of concrete: nano-modified fly ash concrete, incorporating various dosages of nano-silica (NS) or nano-alumina (NA) and fly ash, and explores its efficiency in resisting various forms of sulfate attack.
Durability of Residential Concrete Using Fly Ash with a High Alkali-sulfate Content
| Author | : Tanya Owens |
| Publisher | : |
| Total Pages | : 126 |
| Release | : 2014 |
| Genre | : Concrete |
| ISBN | : |
"This project represents research performed to determine if Popcorn Calcite Deposition (PCD) occurs in residential concrete (i.e. concrete with relatively high water-to- cement ratio) produced with Ordinary Portland Cement (OPC) and fly ash with varying sulfate and alkali contents and if found, what is its affect on both mechanical strength and mass transport properties? Paste, mortar and concrete samples were cast with varying water to cementitious material ratio (W/CM) between 0.5 and 0.9 and were tested to determine the effect of carbonation on a wide range of properties. Carbonation in fly ash samples was shown to decrease the connectivity of calcium bearing phase, with it worsening as the W/CM increased. It was also observed carbonated fly ash samples underwent pore coarsening with this being more evident in samples made with high sulfate high alkali fly ash."--Page ii.
Fly Ash in Concrete
| Author | : E. E. Berry |
| Publisher | : Energy, Mines and Resources Canada : CANMET, Canadian Centre for Mineral and Energy Technology |
| Total Pages | : 206 |
| Release | : 1986 |
| Genre | : Concrete |
| ISBN | : |
This volume presents a state-of-the-art review of the principaladvances in research, development, and practical application offly ash in concrete that have been made during the period 1976to 1984. Recommendations are made with regard to aspects of flyash concrete technology requiring further research.
