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Published On: Wed, Nov 1st, 2017

Cement doesn’t cause building collapse- COREN

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By Mashe Umaru Gwamna

The Council for the Regulation of Engineering in Nigeria (COREN) said cement doesn’t cause building collapse rather its application .
The President COREN of Engr. Kashim Ali disclosed that due to the challenges that was heightened in 2014 when various buildings had collapsed in Nigeria, the controversies became pervasive owing to classes and qualities of Cement . “That is why COREN took up the national industry challenge by commencing the project of producing the Concrete Mix Manual for Nigeria “.
Engr. Ali stated that “ we admit that this is the frist of its type as the nation had never had her own Concrete Mix Design Manual . We have all these years depended on the Concrete Mix Design of other nations irrespective of their sharp differences in their environmental and other factors”.
He also said that the Concrete Mix Manual Design for Nigeria is like a document and must be subjected to periodic review .”Every reference document goes obsolete if left to drift for eternity, that is without review”.
The President assured that the Manual is for practitioners in Nigeria who use Concrete and must now replace the foreign Manual which has produced the danger of non- uniformity because of diverse sources. “ The Concrete Mix Design Manuel for Nigeria provides homogeneity for all Concrete Design”.
He added that the application of this Manual , a trail mix is mandatory for any construction site in Nigeria “.
He pointed out some recommendations from the Concrete Mix Design Manual which should be noted when carrying out mix design.”All cement brands to be used must be clearly labeled indicating the strength class, a site trail mix must design the suitability of the site , Concrete Mix design procedure assumes that aggregates are in the saturated surface dry condition, hence coarse aggregates should be wetted before use to bring them to this condition among others “,Engr. Ali said .
Meanwhile, the Council President maintained that ,the processes must be done in a laboratory at a available site and if a laboratory is not available a suitable one should be identified close to the site .
“This is indeed a historic achievement but opening the window of challenges in our need to develop our indigenous Codes and standards as we take Engineering practice to higher levels in Nigeria”.

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