Abstract
A functional concrete, named "Life-Controllable-Smart" concrete, was developed on the basis of the composite technology. The material, which is a concrete containing the PET blocks improved in microwave heatability as the aggregate, can be easily and safely on demand by irradiating 2.45 GHz microwave. The breakability, heatability, workability and strength were investigated to improve the total performance of the LCS concrete. It is evident that when thermal expansion coefficient α_r of the filler is the same, fracture property of LCS concrete would be almost wholly dependent upon bulk modulus K_r of the filler. It is clear that as resin content V_f increases, temperature at break point descends drastically and results of fracture experiment were almost the same as those of the numerical analysis. Finally, it is confirmed that the decomposing property, execution property and strength are within the allowable limits of practical utilization, and satisfactory results are obtained concerning material development
