Chapter
Apr 26, 2012
Improvement of Rainer System with a Porous Plate
Authors: S. K. Choi [email protected], M. J. Lee [email protected], M. T. Tumay [email protected], and Woojin Lee [email protected]Author Affiliations
Publication: GeoFlorida 2010: Advances in Analysis, Modeling & Design
Abstract
for preparing large granular specimens in the calibration chamber, most previous studies have used the pluviation technique adjusting the deposition intensity while maintaining a constant drop height. This study introduces a rainer system improved by adopting a porous plate. This system controls the relative density of the specimens by adjusting the drop height without changing the deposition intensity. From a series of laboratory tests, it is revealed that an improved rainer system with a porous plate is capable of reconstituting a granular specimen with a wider range of densities than a conventional rainer system. It is also observed that using the rainer system with a porous plate significantly improves the vertical and horizontal homogeneity of the specimen.
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© 2010 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Director, Nawoo Geo Consultant. Co., Ltd., 140-896, Seoul, Korea. E-mail: [email protected]
Research Scholar, School of Civil, Environmental, and Architectural Engineering, Korea University, 136-713, Seoul, Korea. E-mail: [email protected]
Georgia Gulf Distinguished Professor Emeritus, Department of Civil Engineering, Louisiana State University, Baton Rouge, LA 70803. E-mail: [email protected]
Associate Professor, School of Civil, Environmental, and Architectural Engineering, Korea University, 136-713, Seoul, Korea. E-mail: [email protected]
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