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Compressive strength of selected fine grained soils treated with cement kiln dust and calcareous fly ash

Knapik-Jajkiewicz Karolina, Gaj Grzegorz, Kowalski Adrian, Prędka Edyta

Architecture Civil Engineering Environment

2020

Vol. 13, no. 1

79--86

This paper presents the results of unconfined compressive strength tests carried out on samples of two different fine grained soils mixed with anthropogenic materials produced in Poland, showing binding properties - cement kiln dust and fly ash obtained from combustion of brown coal in a pulverized boiler. The tests were performed on cylindrical samples in a testing machine for compression tests after various curing time ranging from 1 to 8 weeks. The conducted work constitutes the first stage of research devoted to the recognition of the effects of calcareous fly ash and cement kiln dust addition into the fine grained soils.