The mechanism and model of sulfate attack on roller compacted concrete(RCC) with expansive agent have been proposed by investigating the microstructures of RCC with optical micrograph and SEM-EDS.

• 通过光学显微镜和电子显微镜观察分析硫酸盐对碾压混凝土的侵蚀特征,提出三种主要侵蚀的方式,并建立理论模型。