A method to detect lap splice in reinforced concrete using a combination of covermeter and GPR

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Publication Details

Author list: Wiwatrojanagul P., Sahamitmongkol R., Tangtermsirikul S.

Publisher: Elsevier

Publication year: 2018

Journal: Construction and Building Materials (0950-0618)

Volume number: 173

Start page: 481

End page: 494

Number of pages: 14

ISSN: 0950-0618

eISSN: 1879-0526

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85045271980&doi=10.1016%2fj.conbuildmat.2018.04.027&partnerID=40&md5=4a487c9f924e5a12b5e5ae13204ef303

Languages: English-Great Britain (EN-GB)

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Abstract

A method to detect a lap splice and to estimate a summation of a diameter of the two rebars of the lap splice in reinforced concrete based on a combined utilization of covermeter and ground penetrating radar (GPR) is proposed. The performance of the proposed method is compared with the case that only one instrument is employed. The results show that the proposed method can detect the type of overlapping direction of the lap splice and estimate the summation of the diameter of the two rebars with an average error of 2.35% and standard error of estimate of 1.34 mm. ฉ 2018 Elsevier Ltd

Keywords

Covermeter, GPR, Lap splice, Overlapping direction, Rebar diameter, Reinforced concrete