Combined gpr and self-potential techniques for monitoring steel rebar corrosion in reinforced concrete structures: a laboratory study

HIGHLIGHTS

SUMMARY

    The causes of degradation in reinforced concrete are many, for example, mechanical degradation induced by shocks, erosions, structural overloads, settlements, physical degradation due to freeze and thaw cycles, and thermal variations, but the major degradation common to all reinforced concrete structures is due to the steel rebar corrosion. Recent studies define the interest in combining several NDT methods for monitoring steel rebar corrosion of RC laboratory samples. All these studieTs on GPR use for rebar corrosion investigation addressed qualitative detection of corrosion. The envelope variations have been due to the occurrence of corrosion of . . .

     

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