(Received 29 October 2014; accepted 20 April 2015)
Published Online: 15 July 2015
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A triaxial testing cell was instrumented with an internal camera monitoring system. By placing the camera monitoring system inside of the triaxial cell, optical distortions due to refraction at the confining fluid–cell wall and cell wall–atmosphere interfaces and the curvature of the cell wall were eliminated. The components of the system are presented. Furthermore, the photogrammetric techniques that were utilized to analyze the photographs that were captured from within the triaxial cell are discussed. The proposed methods for acquiring and analyzing the photographs are presented and the potential for the inclusion of an internal camera–monitoring system for triaxial testing applications are discussed.
Salazar, Sean E.
EIT Graduate Research Assistant, Dept. of Civil Engineering, Univ. of Arkansas, Fayetteville, AR
Geomatics Specialist, Center for Advanced Spatial Technologies, Univ. of Arkansas, Fayetteville, AR
Coffman, Richard A.
Assistant Professor, Dept. of Civil Engineering, Univ. of Arkansas, Fayetteville, AR
Stock #: GTJ20140249