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本文就混凝土快速冻融试验设备校准方法在参照现行规范要求基础上,提出适应设备使用要求的校准方法供探讨。校准对象:混凝土快速冻融试验设备,主要由冻融箱、加热冷却系统和自动控制系统及存储系统等组成,如图1所示。主要技术指标:冻融箱内的温度可调节范围为-20℃~10℃,控温测试误差应不大于0.5℃;除了埋设在冻融箱内中心试件的温度传感器之外,还应在箱内中心位置和任一对角线两端(分别为靠近上表面
In this paper, the rapid freezing and thawing test equipment calibration method based on the reference to the current specification requirements, put forward to adapt to the use of equipment calibration methods for discussion. Calibration object: rapid freezing and thawing concrete test equipment, mainly by the freeze-thaw box, heating and cooling systems and automatic control systems and storage systems and other components, as shown in Figure 1. The main technical indicators: Freeze-thaw temperature within the adjustable range of -20 ℃ ~ 10 ℃, temperature control error should not exceed 0.5 ℃; in addition to the center of the sample in the freezing and thawing chamber temperature sensor, should also be in the The center of the box and the ends of either diagonal (respectively, near the upper surface