This document stipulates the resistivity method, half-cell potential method, corrosion current density method, thickness measurement method and evaluation of test results for the corrosion detection of the tower foot in the concrete protective cap of the transmission line angle steel tower anchor bolt. This document is applicable to the corrosion detection of tower feet inside the concrete protective caps of transmission line angle steel tower anchor bolts. The corrosion detection of steel pipe towers and steel pipe pole protective caps on tower feet in power transmission lines can be carried out with reference to this.
T/CEC 564-2021 history
2021T/CEC 564-2021 Technical specifications for corrosion detection of tower feet in concrete protection caps of transmission towers