Technical Questions

Question: What test is available to evaluate the behavior of no-slump concrete as it is vibrated?

Question: Tolerances for floors supporting operable partitions

Question: When does the slump test provide a useful indication of workability?

Question: Factors affecting permeability

Question: What is involved in the process of mixture proportioning?

Question: The ultimate objective in proportioning concrete

Question: How do the requirements of placing affect the selection of proportions of aggregates and cementi...

Question: How does the relative amount of each ingredient used in concrete influence the properties of con...

Question: Are the proportions of ingredients inter-related to produce concrete of a given workability?

Question: The basic approach used in the ACI mixture proportioning method

Question: How is the selection of mixture proportions affected by the materials to be used and the placing...

Question: What methods of capping are recommended for compression specimens?

Question: Aggregate blending

Question: Curing and curling of concrete slabs over vapor retarders

Question: Tolerances for concrete slabs supporting steel tanks