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This paper introduces the structure and application method of the self-designed ultra-low temperature mechanical loading test chamber, which can be used to study the coupling effect on building materials induced by temperature change and mechanic force. The results show that the lowest temperature in the chamber can reach to - 169 °C, which can cool the building materials to any specified temperature within 20°C and -169°C. The chamber has the functions of accurately controlling the temperature in the chamber and changing the force on the specimen independently, so that the specimen can always be in the coupling effect induced by temperature change and mechanic force. And the coupling correlation between such two effects can be tested by the device outside of the chamber.

Research on Test Method about Coupling Effect of Ultra Low Temperature and Mechanic Force