A study has been conducted to measure uniform corrosion due to the tunnel environment in the mass rapid transit North East Line (NEL) in Singapore. The study was aimed at investigating the corrosivity of the atmospheric environment in the NEL to enhance understanding on the maintenance of metallic components in a tunnel. The corrosivity levels at the buffer areas of ten stations along the NEL were monitored over a period of two years. The measurements were based on physical metal coupons as well as real-time monitoring systems using electrical resistance sensors. The corrosivity levels measured at different exposure sites showed differences, but were generally low and could be generally categorised as G1 according to ISA standard 71.04:2013. The reason for the low corrosivity levels was likely to be due to the relatively mild temperature and low (<60%) average relative humidity.

已经进行了一项研究，以测量新加坡公共快速交通东北线 (NEL) 隧道环境引起的均匀腐蚀。该研究旨在调查 NEL 大气环境的腐蚀性，以加深对隧道内金属部件维护的理解。NEL 沿线十个站点缓冲区的腐蚀性水平在两年内进行了监测。测量基于物理金属试样以及使用电阻传感器的实时监控系统。在不同暴露部位测得的腐蚀性水平存在差异，但普遍较低，根据 ISA 标准 71.04:2013，一般可归类为 G1。