ratio of cement sand crush in beam

Concrete. How to mix cement ratio - Wikipedy.comConcrete is made by adding water to a mixture of cement, sand, ... A concrete beam supported only at it sends may crack ... How to mix cement ratio. A ...Properties of concrete - Wikipedia, the free - ratio of cement sand crush in beam ,Tests can be made to ensure the properties of concrete correspond to specifications ... (with a high water-cement ratio) ... The portion of the beam that is in ...