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混凝土热性能包括导热系数、导温系数、比热、散热系数、热膨胀系数以及绝热温升等。这些系数是为了求解由于混凝土内部温度变化而产生的温度应力所需要的基本资料。 本文介绍有代表性的热性能测试方法,并分析研究了原材料、配合比、龄期、含水状态、温度等和热性能的关系,为改善混凝土的热性能,利于施工及结构安全,提出科学的测试成果。
Thermal properties of concrete, including thermal conductivity, thermal conductivity coefficient, specific heat, coefficient of thermal expansion, thermal expansion coefficient and adiabatic temperature rise. These coefficients are the basic data needed to solve the temperature stress caused by the temperature change inside the concrete. This paper presents a representative test method of thermal properties, and analyzes the relationship between raw materials, mix ratio, age, water content, temperature and thermal properties, in order to improve the thermal properties of concrete, construction and structural safety conducive to scientific Test results.