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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/5073

Title: An Integrated Approach to Crushed Rock Material Evaluation for Road Construction in a Tropical Environment
Authors: Tsidzi, K.E.N
Keywords: Deep weathering
Tropical environment
Crushed Rocks
Blending
Road Construction
Ghana
Issue Date: 2001
Publisher: Journal of Science and Technology
Citation: Journal of Science and Technology, Vol. 21 Nos 1,2 & 3 2001. pp 36-41
Abstract: Deep weathering conditions in tropical terrains often lead to a general scarcity of outcrops of relatively fresh rocks which would otherwise provide sources of good quality materials for road surfacing. As such, road construction becomes an expensive venture since suitable construction materials may sometimes have to be hauled over long distances at high cost. Road projects within the Sefwi Wiawso District, a typical tropical; environment in Ghana, are often fraught with problems of procuring suitable crushed rocks, a situation which has recently necessitated research into the crushed rock potential of the district. An investigation, involving desk study of the geoenvironmental setting of the district, conduct of field studies and performance of relevant laboratory tests, was undertaken to evolve strategies for obtaining suitable crushed rock materials for road construction in the area. Blending of crushed rock materials procured from two potential sources provided the requisite engineering properties for their utilisation in road surfacing because materials from no one source fully satisfied all the engineering geological requirements. This integrated approach can be readily employed for the effective evaluation of rock aggregates for road surfacing in similar geoenvironmental situations in Ghana and elsewhere.
Description: Article published in the Journal of Science and Technology, Vol. 21 Nos 1,2 & 3 2001. pp 36-41
URI: http://hdl.handle.net/123456789/5073
Appears in Collections:Journal of Science and Technology 2000-

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