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Effect of Polypropylene Fibre on the Strength Characteristics of Lightly Cemented Clayey Soil Mixtures
An experimental program was undertaken to investigate the effects of discrete polypropylene fibres and low dosage ordinary Portland cement (OPC) on the stress-strain and unconfined compressive strength behavior of clayey soil. Multifilament polypropylene fibre in three different lengths (6.0mm, 12.0mm, and 19.0mm) and two fibre dosages (i.e. 0.5% and 1.0% by dry weight of soil) were considered. At first, compaction characteristics of the untreated soil were evaluated at standard compaction energy. Using compaction characteristics of untreated soil 9 different fibre-cement-soil mixtures (i.e. fibre/soil-cement ratio of 0.5% and 1.0% and cement/soil ratio of 0.0%, 3.0% and 6.0% by dry weight) were composed, and their unconfined compression test were carried out after 1-, 7-, and 28-days curing periods. The obtained test results indicated that the effect of fibre dosage on the stress-strain behavior is superior to the effect of fibre length.
Effect of Polypropylene Fibre on the Strength Characteristics of Lightly Cemented Clayey Soil Mixtures
An experimental program was undertaken to investigate the effects of discrete polypropylene fibres and low dosage ordinary Portland cement (OPC) on the stress-strain and unconfined compressive strength behavior of clayey soil. Multifilament polypropylene fibre in three different lengths (6.0mm, 12.0mm, and 19.0mm) and two fibre dosages (i.e. 0.5% and 1.0% by dry weight of soil) were considered. At first, compaction characteristics of the untreated soil were evaluated at standard compaction energy. Using compaction characteristics of untreated soil 9 different fibre-cement-soil mixtures (i.e. fibre/soil-cement ratio of 0.5% and 1.0% and cement/soil ratio of 0.0%, 3.0% and 6.0% by dry weight) were composed, and their unconfined compression test were carried out after 1-, 7-, and 28-days curing periods. The obtained test results indicated that the effect of fibre dosage on the stress-strain behavior is superior to the effect of fibre length.
Effect of Polypropylene Fibre on the Strength Characteristics of Lightly Cemented Clayey Soil Mixtures
Yilmaz, Y. (author) / Karatas, K. (author)
Geo-Frontiers Congress 2011 ; 2011 ; Dallas, Texas, United States
Geo-Frontiers 2011 ; 707-716
2011-03-11
Conference paper
Electronic Resource
English
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