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砖混结构工程中,经常会出现一些因砌体接茬、搭接处理质量不好造成的墙体裂缝,或者是在使用环境因素作用下,因砌体质量问题影响被扩大的裂缝问题,给工程的使用安全和正常使用功能造成隐患或不便。砌筑施工随意留槎的现象很普遍、很严重,常常表现为直槎、阴槎,并且,由于塞砌容易造成砂浆不饱满、灰缝不均匀、接茬灰缝不顺直,接茬处的砌体质量将得不到保证。可以说,接槎方式的合理与否,对于砌体质量和建筑物整体性有着极大的影响,因此,砖砌体的留槎形式的正确选定和科学施工意义重大。
In masonry-concrete structure engineering, there often occur some cracks in the wall caused by masonry stubble and lap-bonding, or cracks caused by the use of environmental factors due to the influence of masonry quality problems. The use of safety and normal use of function caused by the hidden danger or inconvenience. Masonry construction arbitrary stay 槎 phenomenon is very common, very serious, often manifested as straight 槎, Yin 槎, and, due to stuffing easily lead to mortar is not full, gray uneven seam, next to the ash seam is not straight, Body weight will not be guaranteed. It can be said that the connection mode is reasonable or not, which has great influence on the quality of masonry and the integrity of buildings. Therefore, it is of great significance to correctly select and retain scientific forms of brick masonry.