WEDC Guide No. 32: How to make concrete

<p dir="ltr">Concrete is a complex material that requires care during the preparation, mixing, placing and curing (hardening) for the final product to be of acceptable quality for construction. This guide describes the main components of concrete, how to combine them and how to use the final mix. It also considers the special difficulties of using concrete in hot and cold climates and mixing concrete by hand.</p><p dir="ltr">© WEDC, Loughborough University, 2017</p><p dir="ltr">Author: Bob Reed Quality assurance: Michael Smith</p><p dir="ltr">llustrated by Rod Shaw</p><p dir="ltr">Designed and produced by WEDC Publications</p>