Stress coating is adopted in order to determine the points and directions of the most main stress of the frame, resistance straingaugemethod used for determining main stress value of the frame.
The temperature effect on concrete straingauge was analyzed and the temperature correction method of straingauge was also presented.
针对应变测试过程中温度变化对应变测试的影响作了深入的探讨，提出了应变计温度影响的修正方法。
3
The measuring results for the micro displacement and the strain indicate that the optic fiber straingauge offers a monitoring method both strain and distortion.