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lithostab as Technique for Improving the Geotechnical Performance of a Lateritic Soil in Road Construction

Journal of Civil Engineering and Architecture 2022年第9期16卷 425-430页

作者： Donzala D.Some Ohindemi G.Yameogo Takenori Hino Tri Harianto Burkina Faso’s Ministry in charge of Infrastructures 03 BP 7011 Building LamizanaOuagadougou 03Burkina Faso Faculty of Exact and Applied Sciences(UFR-SEA) University of OuagadougouJoseph Ki-Zerbo03 BP 7021 Ouagadougou 03Burkina Faso Department of Civil Engineering and Architecture Faculty of Science and EngineeringSaga UniversityHonjo 1Saga 840-8502Japan Civil Engineering Department Hasanuddin UniversityMakassarIndonesia Department of Civil Engineering and Architecture Graduate School of Science and EngineeringSaga UniversityHonjo 1Saga 840-8502Japan

This article focuses on a technique for shallow mechanical improvement of soil which deals with the utilization of crushed granite mixed in a certain percentage with lateritic soils during road construction in Burkina *** is the simplified name for litho-stabilization,a technique for improving laterite by adding crushed granite that increases the CBR(California bearing ratio)of that material for being used in road *** 0/25 of crushed granite added to a laterite in our case gives good performance in terms of ***,the CBR index which was initially 48 at 98%of the OMP(optimum modified Proctor)goes to *** from 84 at 98%of the OMP,it goes to 128 for 30%of class 0/25 of crushed granite *** means that class 0/25 of crushed granite provides better CBR index to that material when it is incorporated at 30%.So,lithostab is an easy to implement eco-friendly material for road construction because of the utilization of local ***,it contributes to the protection of the environment in the sense that its production does not require a lot of energy and does not release large quantities of carbon dioxide into the atmosphere.

关键词： lithostab technique for improving geotechnical performance laterite roads.

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