随着经济的发展和城市人口的聚集,使得城市土地资源越来越紧张。人们开始在建筑物、城市绿地、道路、城市广场等下面修建地下室来提高土地利用率。从已建成建筑的地下室情况来看,地下室外墙最经常出现裂缝且一旦出现裂缝,即会影响其抗渗和防水要求,即使采取封堵、密封等措施,效果也往往不是很理想。因此,地下室外墙裂缝问题引起了工程界的广泛重视。下面从地 With the development of economy and the accumulation of urban population, urban land resources are getting more and more tense. People began building their basements under buildings, urban green spaces, roads, city squares, etc. to improve land use. From the basement of a completed building, the cracks in the basement walls are the most frequent. Once cracks occur, the impermeability and waterproofing requirements of the basement walls are affected. Even if the sealing and sealing measures are taken, the effect is often not very satisfactory. Therefore, the basement wall cracks caused widespread concern in engineering. From below