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建筑物的外墙是最外层起围护和承重作用的结构,通过在外墙表面涂刷彩色建筑涂料、粘贴饰面瓷砖或铺挂石材面层等方法,可使建筑物具有装饰和美化环境的作用。我国建筑业的迅猛发展和城市空间利用率的提高,使得大量的高层或超高层建筑物拔地而起,改变了城市的面貌。但随着时间的推移,建筑物的不均匀沉降、天气变化和热胀冷缩的影响以及其他人为或客观的原因,许多建筑物墙面上出现了各种各样的裂缝。雨水便沿着这些裂缝渗入
The outer wall of the building is the structure of the outermost enclosure and load bearing. The building can be decorated and beautified by painting colored architectural paint on the surface of exterior wall, attaching decorative tiles or paving stone surface layer, etc. Role. The rapid development of China's construction industry and the improvement of the utilization rate of urban space have caused a large number of high-rise or super high-rise buildings to rise up and change the appearance of the city. But over time, uneven building subsidence, the effects of weather changes and thermal expansion and contraction, and other man-made or objective causes, various cracks appear on the walls of many buildings. Rain will penetrate along these cracks