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Effects of fly ash and desulphogypsum on the geotechnical properties of çayırhan soil
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index.pdf
Date
2005
Author
Baytar, Ali Özgür
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Collapse in soils occur when a partially unstable, partially saturated open fabric under high enough stress causing a metastable structure with large soil suction, or in the presence of a bonding or cementing agent, is allowed to free access to additional water. Such excess water reduces soil suction and weakens or destroys the bonding, this causing shear failure at the interaggregate or intergranular contacts, consequently, the soil collapses. In this study, the collapsible soils found in the Çayirhan Thermal Power Plant area has been stabilized by using the desulphogypsum, and fly ash obtained from the Çayirhan Thermal Power Plant. An extensive laboratory testing program has been undertaken to provide information on the geotechnical properties of collapsible soil treated by Çayirhan fly ash and desulphogypsum. At the end of the test program, it has been seen that the collapsible soil (compacted) can be stabilized by adding fly ash and desulphogypsum. Although a significant change on the collapse potential was not observed when fly ash and desulphogypsum added samples were compared with compacted sample without stabilization, but there is an increase in unconfined compressive strength values due to stabilization.
Subject Keywords
Foundations.
URI
http://etd.lib.metu.edu.tr/upload/12606083/index.pdf
https://hdl.handle.net/11511/15096
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Graduate School of Natural and Applied Sciences, Thesis