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The California bearing ratio (CBR) of some mechanically stabilised laterite sub-base soils along the Ibadan-Oyo Road, Southwestern Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: P.A. Fasanmade --- Civil Engineering Department, Nigeria G.O. Adeyemi --- Geology Department, Nigeria E.O. Eze --- Civil Engineering Department, NigeriaMechanical stabilisation by mixing one lateritic soil with another is not a popular subject of research, hence this study. Samples were taken from two locations along the Ibadan-Oyo Road in Southwestern Nigeria. The study focused on determining the California bearing... -
Robust optimisation of forest transportation networks: a case study
Item type: Journal Article • Journal: Southern Hemisphere Forestry Journal • Authors: G Murphy HC StanderForest transportation costs are the major cost component for many forest product supply chains. In order to minimise these costs, many organisations have turned to optimisation models to guide decisions that are extremely complex in nature. These models generally assume... -
The attitudes of riparian communities to the presence of water hyacinth in the Wouri River Basin, Douala, Cameroon
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SN Kenfack Voukeng --- Department of Zoology and Entomology, South Africa P Weyl --- Department of Zoology and Entomology, South Africa MP Hill --- Department of Zoology and Entomology, South Africa N Chi --- Watershed Task Group Coordinator (WTG), CameroonSince publication of the first record of Eichhornia crassipes in Cameroon in 1997, the weed has become highly invasive in the Wouri River Basin. Between June and September 2014, a socio-economic survey using participatory and qualitative methods was undertaken in... -
Designing a business model from process perspective
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Aygül Dönmez-Turan --- Faculty of Economic and Administrative Sciences, Departments of Business Administration, Turkey Mina Özevren --- Faculty of Business Administration, TurkeyThe business model is a relatively new concept in entrepreneurship and strategic management literature. Thus, the growing body of business model literature contains qualitative research, especially case studies. The key reason business models are explained via case studies is that... -
Productivity curve models in eucalypt timber forwarding
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Irineu Barros Nunes --- , Brazil Eduardo da Silva Lopes --- , Brazil Millana Bürger Pagnussat --- , Brazil Julio Eduardo Arce --- , BrazilExtraction is the most costly and complicated stage of timber harvest operations. The forwarder’s productive capacity in timber harvesting, from planted forests, is influenced by several operational variables, especially by extraction distance and tree volume. Prior knowledge about the effect...