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Behaviour of cement stabilised fibre reinforced kaolin and laterite soils
The use of a microfine, crimped, monofilament polypropylen fibres for improving the properties of both plain and cement-stabilised kaolin and laterite is described in this paper. These fibres were 18 um in diameter and were 12 mm long. For this investigation 4 and 6 % cement and up to 1.1 % fibre concentration were used for kaolin. For laterite the study was limited to 0.3 % fibre and 6 % cement due to limited supply of soil. This study showed that the addition of fibre had no deleterious effect on the maximum dry density of the mixtures. The results also showed that there were substantial improvements in both the unconfined compressive and tensile strengths. In the case of laterite, addition of 0.3 % fibre resulted in tensile strength, which was similar to its compressive strength. The ratio of compressive to tensile strength was found to be nearly 50 for soaked specimen. This ratio is normally between 10 to 20 for rocks. This study has shown that discrete, short, small diameter fibres and cement may be used to improve the engineering properties of clayed soils with particular application in road pavement layers.
Behaviour of cement stabilised fibre reinforced kaolin and laterite soils
The use of a microfine, crimped, monofilament polypropylen fibres for improving the properties of both plain and cement-stabilised kaolin and laterite is described in this paper. These fibres were 18 um in diameter and were 12 mm long. For this investigation 4 and 6 % cement and up to 1.1 % fibre concentration were used for kaolin. For laterite the study was limited to 0.3 % fibre and 6 % cement due to limited supply of soil. This study showed that the addition of fibre had no deleterious effect on the maximum dry density of the mixtures. The results also showed that there were substantial improvements in both the unconfined compressive and tensile strengths. In the case of laterite, addition of 0.3 % fibre resulted in tensile strength, which was similar to its compressive strength. The ratio of compressive to tensile strength was found to be nearly 50 for soaked specimen. This ratio is normally between 10 to 20 for rocks. This study has shown that discrete, short, small diameter fibres and cement may be used to improve the engineering properties of clayed soils with particular application in road pavement layers.
Behaviour of cement stabilised fibre reinforced kaolin and laterite soils
Verhalten von zementstabilisierten und faserverstärkten Kaolin- und Laterit-Böden
Dall'Acqua, G.P. (author) / Ghataora, G.S. (author) / Freer-Hewish, R.J. (author)
2000
5 Seiten, 9 Bilder, 7 Tabellen, 5 Quellen
Conference paper
English
BEHAVIOUR OF CEMENT STABILISED FIBRE REINFORCED KAOLIN AND LATERITE SOILS
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