The results show that the hydration heat model of concrete is acceptable, and the thermal stress may make concrete wall crack at early age.

• 结果表明:引入Arrhenius公式的混凝土水化放热模型可以用于计算混凝土结构早龄期时的温度场；早龄期时温度应力可以引起混凝土长墙的开裂.