|
|||||
|
|
Modifications of resonant column and torsional shear device for the large strain |
|
| Authors: | Yoon-Shin Bae James A Bay |
| Institution: | 1. Costal Engineering and Ocean Energy Research Department, Korea Ocean Research and Department Institute (KORDI), 1270 Sa-dong, Ansan 425-170, South Korea;2. Department of Civil and Environmental Engineering, Utah State University, 4110 Old Main, Logan, UT 84322, USA |
| Abstract: | Conventional RC/TS (resonant column and torsional shear) devices use a specimen with an aspect ratio (height-to-diameter) of 2:1 and this generates a maximum shear strain in the sample of about 1.5% at the maximum rotation of the driving system. The objective of this study is to modify the RC/TS device to generate higher strain amplitude. The modifications include a new base pedestal to overcome the limitations in the travel of the drive system and modification of the coil wiring to increase torque. The effects of the new coil wire on torque in the electromagnetic drive system were evaluated and the application of the modified device was illustrated using sand soil. |
| Keywords: | RC/TS device Electromagnetic Large strain Torque |
| 本文献已被 ScienceDirect 等数据库收录！ | |