为了探讨能安全有效地降低混凝土水化热温升的方法,采用自制保温装置测量了普通混凝土构件和预填埋相变材料的混凝土构件内部相同位置温度随时间的变化,对预填埋相变材料降低混凝土内部温升效果的影响因素进行了计算和分析。研究结果表明:填埋相变材料后混凝土的内部温度与相变材料的填埋量、比热、相变热、相变温度,混凝土的比热、密度和初始温度,胶凝材料的用量和水泥水化热等因素相关。采用填埋相变材料的方法能够降低混凝土的内部温度峰值,延缓温度峰值的出现时间,但不能降低混凝土内部的后期温度。 In order to explore the safe and effective way to reduce the temperature rise of concrete hydration heat, self-made insulation device was used to measure the temperature change with time in the same position of the concrete member of ordinary concrete and prefilled PCM, Materials to reduce the effect of temperature inside the concrete were calculated and analyzed. The results show that the internal temperature of concrete after landfill phase change material and the phase change material landfill volume, specific heat, phase transition heat, phase transition temperature, specific heat of concrete, density and initial temperature, the amount of cementitious material and Cement hydration heat and other related factors. The method of using landfill phase change material can reduce the peak of internal temperature of concrete, delay the emergence time of temperature peak, but can not reduce the post-interior temperature of concrete.