混凝土等中小型空心砌块墙体裂损的防治

Prevention and cure of medium-sized andmini-sixed unsubstantial walls built by concrete,etc

阐述了混凝土等中小型宽心砌块墙体裂缝的状态 ,分析产生裂缝的主要原因有屋面温度应力 ,砌块干缩变形 ,建筑物不均匀下降 ,施工及构造措施等问题 ,对照有关技术要求 ,提出了如下几项具体的防裂损措施 :①严格执行规范和标准 ;②合理设置变形缝 ;③采取适当的构造技术措施 ;④减少屋面温度变形影响 ;⑤提高砂浆粘结性能 ;⑥严把材料和施工关。

It elaborates the state of the crack of the medium-sized and mini-sized unsubstantial walls built by concrets,etc,and explains that the crack is resulted by the stress of the temperature of the surface,the shrunk and deformed concrete blockuneven drop of the building and inappropriate construction measures.According to the correlative techniques,following measures of preventing crack are presented:①strictly carry out the standards and regulations;②reasonably set up deformed crack;③adopt appropriate construction techniques;④reduce the influence of th temperature of the surface;⑤raise the viscidity of the mortar;⑥pay attention to the use of materials and the process of construction.