混凝土是使用最为广泛的建筑材料之一,从住宅地下室和基础到隧道和水处理厂都会用到混凝土。虽然混凝土坚硬密实,但混凝土是可渗水的材料,极易受到水和化学物质的腐蚀和侵害。这 Concrete is one of the most widely used building materials, and concrete is used from residential cellars and foundations to tunnels and water treatment plants. Although concrete is hard and dense, concrete is a water-permeable material that is highly susceptible to corrosion and attack by water and chemicals. This