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After fourteen years of building industry relationships and raising awareness of its cellular concrete product, CEMATRIX has been enjoying a steady increase in acceptance and specification by engineering firms. An example of this was recently highlighted in an article titled, “A Little Lightweight Lift”, which was featured this past fall in Road Talk, a monthly digest published by Ontario’s Ministry of Transportation.
The article was written by Mr. Ken Ahmad and Mr. Tae C. Kim, both foundation engineers, and summarizes their study of the ministry’s trial use of CEMATRIX’s cellular concrete product. The lightweight material was selected in order to correct significant settlement issues with the Nepewassi River Bridge, a sixty-four year old bridge located in the Township of Dunnet, Ontario.
The article states that since the project was a trial on the west half of the bridge, it involved extensive instrumentation, as well as a monitoring program. Due to the project’s success, Mr. Ahmad and Mr. Kim state that the ministry expects to use cellular concrete for further ministry projects that involve stability and settlement issues. This is of particular interest, as CEMATRIX is the only company in Canada approved to produce cellular concrete for a number of Ministries of Transportation, including the province of Ontario.
Based upon the foundation engineers’ studies, they also comment that:
- Cellular concrete proved to be up to 27% more cost effective than rigid expanded polystyrene, the lightweight material typically used to reduce vertical stress and settlement.
- Cellular concrete poses no concern for placement damage, as it can be poured directly onto the excavated sub-grade and will set overnight.
- Cellular concrete does not require a protective coating since the material is not susceptible to UV rays or hydrocarbon deterioration.
To view the article in its entirety, please click here and scroll to page 5.