水泥水化热测试方法的分析研究

Analysis and Study of Cement Hydration Heat Test Method

水泥水化热是大体积混凝土产生裂缝的主要影响因素,是工程选用水泥考察参数之一。本文对比研究了3种测试方法,认为与直接法(标准规范)相比,溶解热法和TAM AIR测试法操作较简便、测试精度较高、试验误差较小;TAM AIR测试法可直接提供水泥水化放热速率曲线,而溶解热法仅提供特定龄期的水泥水化热。

The cement hydration heat is the main influence factor of massive concrete cracks,which is one of the cement expedition parameters selected for project. In the paper,three test methods are comparatively researched. It is believed that dissolution thermal method and TAM AIR test method are characterized by relatively simple operation,high test precision and low experimental error compared with direct method （standard specification）.TAM AIR test method can directly offer cement hydration heat rate curve,while dissolution thermal method only provides cement hydration heat of specific age.