Chapter
Nov 27, 2018
Eighth Congress on Forensic Engineering

Assessment of Bridge Repair with the Aid of Load Test and Acoustic Emission Monitoring

Publication: Forensic Engineering 2018: Forging Forensic Frontiers

ABSTRACT

In this study, an array of nondestructive testing techniques including live load testing, strain monitoring, and acoustic emission monitoring were conducted on a section of I-235 bridge located west of the state capital, in Oklahoma City, to assess the performance of repairs on a section of a post-tensioned box-girder bridge. The goal of this study is to comparatively assess the performance of repair in situ between locations where ungrouted tendons were repaired and similar known locations, which were originally deemed to be structurally sound. The structure’s strain response at critical positions, for example the midspan location and the location of the structural supports of tested span, were recorded during the bridge live load test over the entire span of the bridge. In addition to strain monitoring, acoustic emission (AE) monitoring was implemented as a supplemental test method to the standard load/deformation analysis. This study demonstrates results which indicate an elastic behavior of the tested bridge span under three different load levels utilizing strain response combined with acoustic emission parameters.

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REFERENCE

Appala, A., ElBatanouny, M., Velez, W., and Ziehl, P. (2016). “Assessing Corrosion Damage in Posttensioned Concrete Structure Using Acoustic Emission.” J. Mater. Civ. Eng., 28(2): 04015128.
ASTM Standard E1316(2017), “Standard Terminology for Nondestructive Evaluations.” ASTM International, West Conshohocken, PA.
ASTM Standard E2374(2016), “Standard guide for acoustic emission system performance verification.” ASTM International, West Conshohocken, PA.
Elfergai, H., Pullin, R., and Holfold, K. (2013). “Damage assessment of corrosion in prestressed concrete by acoustic emission.” Construction and Building Materials, 40,925-933.
FHWA (Federal Highway Administration). (2013) “Post-tensioning Tendon Installation and Grouting Manual (Report No. FHWA-NHI-13-026).” FHWA, Washington D.C.
Huang, M., Jiang, L., Liaw, P., Brooks, C., Seeley, R., and Klarstrom, D. (1998). “Using Acoustic Emission in Fatigue and Fracture Materials Research.” JOM, 50-11.
NCHRP (National Cooperative Highway Research Program). (1998) “Durability of Precast Segmental Bridges.” Web Document No. 15, Transportation Research Board, Washington D.C.
Shiotani, T. (2008). “Acoustic Emission Testing: Basic for Research-Applications in Civil Engineering.” Chapter 4 in Parameter Analysis, Grosse, C. and Ohtsu, M., Eds, Springer, Germany.
Trejo, D., Hueste, M., Gardoni, P., Pillai, R., Reinschmidt, K., Im, S., Kataria, S., Hurlebaus, S., Gamble, M. and Ngo, T. (2009). “Effect of Voids in Grouted, Post-tensioned Concrete Bridge Construction: Volume 1 - Electrochemical Testing and Reliability Assessment (Report No.: FHWA/TX-09/0-4588-1 Vol. 1).” Texas Transportation Institute and The Texax A&M Univerity, College Station, TX.

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Published In

Go to Forensic Engineering 2018
Forensic Engineering 2018: Forging Forensic Frontiers
Pages: 1080 - 1089
Editors: Rui Liu, Ph.D., Kent State University, Michael P. Lester, Element Analytical, Alicia E. Díaz de León, and Michael J. Drerup
ISBN (Online): 978-0-7844-8201-8

History

Published online: Nov 27, 2018
Published in print: Nov 27, 2018

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Authors

Affiliations

Dept. of Civil and Environmental Engineering, Oklahoma State Univ., 207 Engineering South, Stillwater, OK 74078. E-mail: [email protected]
Julie Ann Hartell, Ph.D. [email protected]
Dept. of Civil and Environmental Engineering, Oklahoma State Univ., 207 Engineering South, Stillwater, OK 74078. E-mail: [email protected]
Robert Emerson, Ph.D. [email protected]
P.E.
Dept. of Civil and Environmental Engineering, Oklahoma State Univ., 207 Engineering South, Stillwater, OK 74078. E-mail: [email protected]

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