Memoirs of the Faculty of Engineering, Yamaguchi University
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Memoirs of the Faculty of Engineering, Yamaguchi University Volume 33 Issue 1
published_at 1982
Experimental Study for the Trial Making and Calibration of the Earth Pressure Cells
土圧計の試作と検定に関する実験的研究
Ohara Sukeo
Yamamoto Tetsuro
Oka Takashi
About This Article
Descriptions
This paper describes experimental studies on the performance of the earth pressure cells designed in our laboratory. These earth pressure cells were calibrated under air pressure and soil pressure. Under air calibration, the calibration curves became nearly stable line. Under soil calibration, however, the calibration curves draw hysterisis roop during one cycle loading and unloading. We have newly introduced the nondimentional parameters E and H, for error of the calibration factor and for the hysterisis respectively. E and H are correlated with the rigidities, the diameters of the cells and the physical properties of the soils, and some of their relations are shown quantitatively for the practical use.
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