Abstract
Reported in this paper are the design concept and performance of a light-weight triaxial apparatus that is portable, being contained in carrying bags and is nicknamed Smart Triaxial. It works with power supplied through AC 100 V or DC 24 V. The apparatus consists of (1) triaxial chamber combined with a loading system, (2) piston pumps supplying cell pressure and back pressure, and (3) control and measuring units. The size of specimens is 50 mm in diameter and 100 mm in height. The drainage line coming up from the upper end of the specimen goes outside through the centers of the top cap and load cell and is therefore invisible from outside. The test program is fully automatic and needs no manual adjustments after a test starts. This makes it possible to produce test results of reasonably high standard even when the operator is not a specialist at soil testing. A series of tests is carried out to check the performance of the apparatus and to make sure that the apparatus works in a satisfactory manner.
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Acknowledgement
The authors are grateful to Dr. Teruaki Hurudoi, then Senior Vice President of Kansai International Airport Land Development Co., Ltd for providing undisturbed Osaka Bay clay sampled from the site of Kansai International Airport. The authors wish to express their sincere gratitude to Professor M. J. Pender, University of Auckland, for his valuable suggestions, comments, and editing of the manuscript. This work was supported by JSPS Grant-in-Aid for Scientific Research (No. 23310119, 23560594).
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Nakayama, E., Kobayashi, I., Iizuka, A., Taya, M., Ohta, H. (2013). Development of a Portable Triaxial Testing Apparatus—Smart Triaxial . In: Chu, J., Wardani, S., Iizuka, A. (eds) Geotechnical Predictions and Practice in Dealing with Geohazards. Geotechnical, Geological and Earthquake Engineering, vol 25. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-5675-5_22
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DOI: https://doi.org/10.1007/978-94-007-5675-5_22
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