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Concrete versus asphalt for Nigeria's roads: which is better?

By Hussein Mohammed, Professor of Engineering, Obafemi Awolowo University
Nigeria’s new works minister, David Umahi, is pushing for the use of rigid pavement in road construction, as against the flexible pavement predominantly in use. This, as the minister noted, is due to the precarious state of flexible pavements in the country.

A rigid pavement is a road surface overlaid with reinforced concrete, while a flexibleThe Conversation


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