Soil Stabilization And Improvement Of Marine Clays Using Cement And Lime In A Marshland

P.o Youdeowei, H.o Nwankwoala () and G.t Ayibanimiworio
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P.o Youdeowei: Institute of Geosciences and Space Technology, Rivers State University, Nkpolu-Oroworukwo, Port Harcourt, Nigeria
H.o Nwankwoala: Department of Geology, University of Port Harcourt, Nigeria
G.t Ayibanimiworio: Department of Civil Engineering, Faculty of Engineering, Rivers State University, Nkpolu-Oroworukwo, Port Harcourt, Nigeria

Engineering Heritage Journal (GWK), 2020, vol. 4, issue 1, 8-14Volume: 4

Abstract: This study assesses the stabilization of marine clay soil using cement and lime to improve on the subgrade material. The tests conducted include: the natural moisture content, specific gravity, sieve analysis, Atterberg limit, compaction and California Bearing Ratio (CBR). The types of stabilization used were mechanical and chemical. The results obtained were classified using AASHTO classification system and based on the results the soil corresponds to group A-6 soils. The highest CBR values of 33.24% and 424.35% were obtained at 20% cement content for unsoaked and soaked and for lime the highest CBR values were 5.07 and 10.46 for 11% lime content for both unsoaked and unsoaked. Based on the results obtained, the addition of cement and lime to clay soil in the presence of water improved the CBR values for soft clay stabilization for highway construction with low traffic volume. It is therefore concluded that the addition of cement and lime to clay soil improved the bearing capacity and the maximum dry density of the clay soil. Further research should be carried out to examine the effects of industrial by-products on effective clay soil stabilization.

Keywords: Stabilization; lime; cement; subgrade; clay; construction (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbngwk:v:4:y:2020:i:1:p:8-14

DOI: 10.26480/gwk.01.2020.08.14

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