World of Concrete is part of the Global Exhibitions Division of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 3099067.


Charles Nmai

Manager, Engineering Services at BASF Corporation - Admixture Systems
Beachwood, OH
United States

Charles Nmai, PhD, PE, FACI is Manager, Engineering Services within the Admixture Systems group of BASF Corporation in Beachwood, Ohio. With over twenty-five years of experience in admixtures, high-performance concretes, concrete durability and troubleshooting, Charles frequently authors/co-authors papers and lectures. He is actively involved in technology transfer activities related to chemical admixtures and self-consolidating concrete (SCC). Charles spearheaded the development of a comprehensive Federal Highway Administration training seminar on SCC to facilitate acceptance and use by State Departments of Transportation. Charles has been recognized for his outstanding contributions in the field of superplasticizers and other chemical admixtures. He is a Fellow of ACI where he serves on committees 222, Corrosion of Metals in Concrete; E 701, Materials for Concrete Construction; 130, Sustainability; 201, Durability; and 363, High-Strength Concrete. He is an honorary member of ASTM International where he currently chairs Subcommittee C 09.23 on Chemical Admixtures. Charles is a licensed engineer in Ohio and received his PhD in Civil Engineering from Purdue University.

QR Codes:

The QR Codes below have been provided in order to make returning to these pages convenient on your mobile device:

What are QR Codes? They are a machine-readable code consisting of an array of black and white squares, typically used for storing URLs or other information for reading by the camera on a smartphone