Unconfined compressive strength of cemented peat

Wong, Leong Sing and Hashim, Roslan and Ali, Faisal (2009) Unconfined compressive strength of cemented peat. Australian Journal of Basic and Applied Sciences, 3 (4). pp. 3850-3856. ISSN 1991-8178,

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The aim of this paper is to evaluate the unconfined compressive strength of cemented peat in comparison to that of untreated peat. A laboratory study on the unconfined compressive strength of cemented peat is important in order to formulate a suitable and economical mix design for stabilized peat columns developed in deep peatland to support highway construction. To characterize the strength behavior of cemented peat, 14 test specimens of different mix designs of the cemented soil were prepared and tested in unconfined compression tests. The results revealed that test specimen with a mix design of 300 kg m-3 binder dosage by mass of wet peat (90 MASCRETE and 10 3 kaolinite in composition), 4 calcium chloride by mass of binder, and 25 siliceous sand by volume of wet peat gave the highest unconfined compressive strength of 413.0 kPa after 7 curing days in water. Such positive finding was largely attributed to the reactivity of the binder, calcium chloride and siliceous sand with wet peat. Thus, it can be concluded that high strength cemented peat can be produced when the MASCRETE and kaolinite stabilized peat admixture with siliceous sand acting as a filler, was activated by calcium chloride that accelerated the rate of cement hydration in the soil.

Item Type: Article
Additional Information: Cited By (since 1996):2 Export Date: 16 December 2013 Source: Scopus Language of Original Document: English Correspondence Address: Sing, W. L.; Department of Civil Engineering, Faculty of Engineering, University of Malaya, Lembah Pantai, 50603 Kuala Lumpur, Malaysia; email: wongls79@gmail.com References: Ahnberg, H., Consolidation stress effects on the strength of stabilised Swedish soils (2006) Ground Improvement, 10 (1), pp. 1-13. , Digital Object Identifier (DOI): 10.1680/grim.2006.10.1.1; Budhu, M., (2000) Soil Mechanics and Foundations, , 1st ed., John Wiley and Sons, New York. ISBN Number: 0-471-25231-X; Chen, H., Wang, Q., The behaviour of organic matter in the process of soft soil stabilization using cement. B (2006) Eng. Geo. Environ, 65 (4), pp. 445-448. , Digital Object Identifier (DOI): 10.1007/s10064-005-0030-1; Consoli, N.C., Rotta, G.V., Prietto, P.D.M., Influence of curing under stress on the triaxial response of cemented soils (2002) Geotechnique, 52 (5), pp. 382-384. , Digital Object Identifier (DOI): 10.1680/geot.52.5.382.38705; Deer, W.A., Howie, R.A., Zussman, J., (1992) An Introduction to The Rock-forming Minerals, , 2nd ed., Longman, Harlow. ISBN Number: 0-582-30094-0; Dhowian, A.W., Edil, T.B., Consolidation behavior of peats (1980) Geotech. Test. J, 3 (3), pp. 105-114. , Digital Object Identifier (DOI): 10.1520/GTJ10881J; Head, K.H., (1982) Manual of Soil Laboratory Testing, , (Volume 2: Permeability, shear strength and compressibility tests), 1st ed., Pentech Press, London. ISBN Number: 0-7273-1319-3; Hebib, S., Farrell, E.R., Some experiences on the stabilization of Irish peats (2003) Can. Geotech. J, 40 (1), pp. 107-120. , Digital Object Identifier (DOI): 10.1139/T02-091; Liu, C., Evett, J.B., (2004) Soils and Foundations, , 4th ed., Pearson Education, New Jersey. ISBN Number: 0-13-048219-6 Digital Object Identifier (DOI): 10.1520/GTJ10881J; Rao, S.M., Shivananda, P., Compressibility behaviour of lime-stabilized clay (2005) Geotech. & Geol. Eng, 23 (3), pp. 309-319. , Digital Object Identifier (DOI): 10.1007/s10706-004-1608-2; Rotta, G.V., Consoli, N.C., Prietto, P.D.M., Coop, M.R., Graham, J., Isotropic yielding in an artificially cemented soil cured under stress (2003) Geotechnique, 53 (5), pp. 493-501; Terzaghi, K., Peck, R.B., Mesri, G., (1996) Soil Mechanics In Engineering Practice, , 3rd ed., John Wiley and Sons, New York, ISBN Number: 978-0-471-08658-1; Tremblay, H., Duchesne, J., Locat, J., Leroueil, S., Influence of the nature of organic compounds on fine soil stabilization with cement (2002) Can. Geotech. J, 39 (3), pp. 535-546. , Digital Object Identifier (DOI): 10.1139/T02-002; Wong, L.S., Hashim, R., Haji Ali, F., Behavior of stabilized peat soils in unconfined compression tests (2008) Am. J. Eng. & Applied Sci, 1 (4), pp. 274-279
Uncontrolled Keywords: Binder; Cemented peat; Mix design; Unconfined compressive strength
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 07 Jan 2014 01:22
Last Modified: 14 Nov 2019 01:18
URI: http://eprints.um.edu.my/id/eprint/8856

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