Study on Monitoring Rock-Sand Concrete Temperature and Fitting Formula of Hydration Heat

Abstract

Rock-sand comes from rock which is broken by machine has bad grain gradation. It possess more power mix in gradation and angularity on gradation surface compared with river sand. Because of the character, rock-sand concrete need more cement slurry to cover with sand surface, however with setting and hardening of concrete temperature is higher than common concrete. According to temperature monitoring on rock-sand concrete, mapped ‘age -temperature’ curve, then through MATLAB to simulation, fitting hydration heat formula and fixing characters, at last the result of simulation via ANSYS have a good match with monitoring test.