News | Infrastructure news - Part 814

News

52.5 grade cement a first in Africa

Nigeria’s top cement producer has become the first cement producer in Africa to calibrate all of its factories to produce 52.5 grade cement. Over the past month, various groups have raised concern over the standardisation of cement in the country....
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Mega-dams not economically viable

After a decade-long lull, the construction of large dams has accelerated. However, evidence shows that, in the vast majority of cases, large dams are not economically viable. According to new research from Oxford University’s Saїd Business School,...