Rebar Corrosion Investigation in Rubber Aggregate Concrete via the Chloride Electro-Accelerated Test
AbstractErosion effect of chloride ions from the marine, deicing salt, saline-alkali land and some industrial environments will cause the corrosion of rebar in concrete, which is one of the most harmful factors affecting the durability of concrete structure. It had been proved that the incorporation of rubber aggregates increase the capillary saturation of cement concrete and reduce the corrosion degree of rebar. This paper investigated the rebar corrosion behavior in rubber aggregate concrete under the chloride electro-accelerated corrosion condition and such an investigation has not been seen in any public literature. Two water-cement ratios (0.45 and 0.55) and four rubber contents (0, 50, 100, and 150 kg/m3) were selected for experiment. Four-point bending tests of concrete beam were conducted before and after chloride ion erosion in order to determine effect of rubber aggregate on the durability of rebar. Results showed that rebar corrosion degree decreased with the increase of rubber aggregate in concrete. Besides, the more the dosage of rubber is, the better the anti-crack performance of cement concrete. This will postpone the crack development and reduce the peak of rebar corrosion. View Full-Text
Share & Cite This Article
Liang, J.; Zhu, H.; Chen, L.; Han, X.; Guo, Q.; Gao, Y.; Liu, C. Rebar Corrosion Investigation in Rubber Aggregate Concrete via the Chloride Electro-Accelerated Test. Materials 2019, 12, 862.
Liang J, Zhu H, Chen L, Han X, Guo Q, Gao Y, Liu C. Rebar Corrosion Investigation in Rubber Aggregate Concrete via the Chloride Electro-Accelerated Test. Materials. 2019; 12(6):862.Chicago/Turabian Style
Liang, Jian; Zhu, Han; Chen, Lei; Han, Xiaobin; Guo, Qinglin; Gao, Ying; Liu, Chunsheng. 2019. "Rebar Corrosion Investigation in Rubber Aggregate Concrete via the Chloride Electro-Accelerated Test." Materials 12, no. 6: 862.
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.