Complex Environmental Characteristics of Coastal Salt Spray Area and Effect of Carbon Dioxide Content on Corrosion of Steel Bars
Published: 11 February 2020
IOP Conference Series: Materials Science and Engineering , Volume 730; doi:10.1088/1757-899x/730/1/012053
Abstract: In the coastal atmospheric environment, corrosive media exists due to natural and man-made pollution, which has a great impact on the durability of concrete structures. Taking the environment of Shenzhen coastal salt spray area as an example, the environmental parameters were observed on site, and the content of carbon dioxide in the atmosphere was measured. The influence of steel corrosion on steel was analyzed. The study found that the annual temperature change range of the coastal salt spray area is 15 °C to 37.9 °C, and the change is first rising and then decreasing. The temperature rises in the first half of the year, and the temperature gradually decreases in the second half of the year. The highest humidity in the measurement area is 74.7%. The minimum is 56%, and the overall level is maintained at a high level, which is between 55% and 75%. The carbon dioxide content of the five measuring points is consistent throughout the year, and the carbon dioxide content is high in spring and winter.
Keywords: carbon dioxide / Salt Spray / Spray Area / Rising / corrosive / Coastal Salt
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