scholarly journals Bridge deck condition assessment by using GPR: a review

2018 ◽  
Vol 191 ◽  
pp. 00004 ◽  
Author(s):  
Tahar Bachiri ◽  
Abdellatif Khamlichi ◽  
Mohammed Bezzazi

Bridge deck deterioration includes delamination, corrosion of rebars, vertical cracking and concrete degradation. Ground Penetrating Radar based inspection technique was used for mapping bridge deck in order to monitor the health of this vital structure. Beginning from the 1970‘s, research has focused on identification of bridge deck deterioration which causes severe deficiencies by reducing seriously strength. The main purpose of this work was to review the literature existing in the field of bridge deck diagnosis by means of Ground Penetrating Radar. This enabled to survey detailed evolution of this technique, to understand the effects of key intervening parameters and to determine the kind of material disorders that this device could be used for. Bridge deck condition assessment can then be performed more successfully, based on the huge progress experienced by this particular method of inspection.

Author(s):  
Samie Hamad

Abstract: Ground penetrating radar (GPR) and portable seismic property analyzer (PSPA), was used in concrete structures for monitoring, quantifying, and mapping the deterioration of bridge decks. The Montauk Bridge deck was assessed based on PSPA and GPR data. Based on the analysis of the PSPA data, it was determined that over 65% of bridge conditions were rated serious to poor condition with an average compressive strength of less than 2500 psi; less than 35% of bridge deck conditions were rated fair to good with an average compressive strength over 2500 psi. Based on GPR data, it was determined that 72% of the bridge deck was in serious to poor condition, and only 28% of the bridge deck was in fair to good condition. Additionally, the analyses of the ground penetrating radar data indicated possible rebar corrosion in places. For these reasons, it is recommended that the Montauk bridge’s deck be completely replaced. Keywords: Condition assessment, NDT, GPR, PSPA, bridge deck


2015 ◽  
Vol 27 (2) ◽  
pp. 112-124 ◽  
Author(s):  
Nicole Martino ◽  
Ken Maser ◽  
Ralf Birken ◽  
Ming Wang

2011 ◽  
Author(s):  
Dan Busuioc ◽  
Tian Xia ◽  
Anbu Venkatachalam ◽  
Dryver Huston ◽  
Ralf Birken ◽  
...  

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