What is the best way to protect concrete floors against surface carbonation when heaters must be used in cold weather? Read more
What are the factors which affect the resistance of a concrete floor to wear? Read more
What measures can be taken to prevent the formation of settlement cracks at the top corners of beams, doors and windows above columns? Read more
How steeply may a conveyor belt for concrete be inclined without seriously reducing its capacity? Read more
How much pitch for drainage purposes should be built into a standard sidewalk, and what is the best way of providing for it? Read more
Does treatment with silicones have any major effect on the resistance of concrete to weather and ice-melting chemicals? Read more
What is the most likely cause of progressive popping of a concrete slab while spalled material is being removed in preparation for resurfacing? Read more
Are there standard manufactured "elephant trunks"for placing concrete in narrow walls without segregation? Read more
What effect would the presence of reinforcing steel have on the compressive strength of a concrete core? Read more
Is the presence of pyrite in an aggregate likely to be injurious to concrete? Read more