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Evaluation of Unknown Foundation Depth Using Different NDT Method

Journal of Performance of Constructed Facilities doi:http://dx.doi.org/10.1061/(ASCE)CF.1943-5509.0000268

M. S. Hossain1, M. S. Khan2, J. Hossain2, G. Kibria2, and T. Taufiq3

1Associate Professor, Department of Civil Engineering, The University of Texas at Arlington, 417 Yates Street, NH 404, TX 76019, e‐mail: hossain@uta.edu
2Graduate Research Assistant, Department of Civil Engineering, The University of Texas at Arlington, 417 Yates Street, NH 404, TX 76019
3Research Scientist Assistant, Department of Civil Engineering, University of Texas at Arlington, 416 Yates St. Suite 425, Arlington, TX 76019, USA, tashfeena.taufiq@mavs.uta.edu

(Submitted 16 February 2011; accepted 1 August 2011; posted ahead of print 3 August 2011)

  • Abstract
Many of the older bridges in the United States have no original contract documents available and about 26,000 bridges that are rated as scour critical have unknown foundation conditions. Thus, no information is available regarding the type, depth, geometry or material of these scour critical bridge foundations. The unknown bridge foundations pose a significant problem to bridge owners because of safety concerns. The current paper presents the determination of an unknown bridge foundation depth at Forth Worth, Texas, US. The bridge was supported by driven steel H‐piles. Three Non Destructive Testing (NDT) techniques were utilized: (1) Parallel Seismic (PS) method, (2) Sonic Echo (SE) method & (3) Resistivity Imaging (RI). The main objective of this current study was to compare the suitability of NDT techniques to determine the unknown bridge foundation depth. Based on the field test results, both Parallel Seismic and Resistivity Imaging method provided foundation depth close to actual foundation depth. However, Sonic Echo test was determined to be not suitable for determining the unknown steel H‐pile depth.

© 2011 ASCE

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ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1061/(ASCE)CF.1943-5509.0000268

PUBLICATION DATA

ISSN

0887-3828 (print)  
1943-5509 (online)

Publisher

ASCE

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