SYMPOSIA PAPER Published: 01 January 1997
STP15655S

The Effect of Cement Kiln Dust on the Collapse Potential of Compacted Shale

Source

The effects of wetting-induced collapse on compacted soil are well documented in the literature. Objectives of the current study were to evaluate the potential of cement kiln dust, a byproduct of Portland Cement manufacturing, to reduce the collapse settlement of compacted shale caused by inundation with water. One-dimensional consolidation tests were conducted on treated and untreated shales using two different testing procedures to evaluate the Collapse Potential over a broad range of vertical stress levels. Tests were conducted on three different shales and test samples were prepared using three different molding moisture contents — dry of, at, and wet of optimum moisture content. Standard Proctor compaction effort was utilized. Results of oedometer tests indicate that kiln dust is a potentially useful additive for reducing wetting-induced collapse settlements and for reducing overall compressibility.

Author Information

Miller, GA
School of Civil Engineering and Environmental Science, Unv. of Oklahoma, Norman, Ok
Azad, S
School of Civil Engineering and Environmental Science, Unv. of Oklahoma, Norman, Ok
Dhar, B
School of Civil Engineering and Environmental Science, Unv. of Oklahoma, Norman, Ok
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Details
Developed by Committee: D18
Pages: 232–245
DOI: 10.1520/STP15655S
ISBN-EB: 978-0-8031-5351-6
ISBN-13: 978-0-8031-2470-7