Does the use of larger coarse aggregate in a mix tend to produce concrete of higher strength? Read more
Is it practical to use a retarder to obtain selective bond between prestressing strands and the concrete in a beam? Read more
What conditions seem to favor the so-called autogenous healing of fractures in concrete? Read more
Can concrete temperatures be calculated in advance if the temperatures of the various materials are known? Read more
Is flexural strength testing a more reliable basis for accepting or rejecting concrete than compression testing? Read more