Fully cured, hardened concrete must be strong enough to withstand the structural and service loads which will be applied to it and must be durable enough to withstand the environmental exposure for which it is intended. When concrete is made with high-quality materials and is properly proportioned, mixed, handled, placed, and finished, it is one(…)
Hardened Concrete
TESTS ON HARDENED CONCRETE
Properties of Hardened Concrete Early volume change Creep Properties Permeability Stress-Strain Relation I. Early Volume Change (Shrinkage) What is the problem? >> May result in cracking Plastic Shrinkage Due to water loss from fresh paste by evaporation or from suction by dry surface Volume decrease ~ 1% when the paste is still plastic How to(…)