The world gets a little greyer every year. According to a paper published in 2014 concrete—an aggregate material made by mixing cement, sand and gravel—is the second-most consumed substance in the ...
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How to Make a Large Concrete Planter
In this DIY video, learn how to make a large concrete planter using just 2 buckets and a bag of concrete. The project requires the following materials: a 5-gallon bucket, a 2-gallon bucket, concrete ...
Jianzhuang Xiao is a professor of recycled concrete materials and structures at Tongji University, Shanghai, China, and a vice-president at Guangxi University, Nanning, China. Zongjin Li is a ...
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