砖混结构房屋的伸缩缝、沉降缝和防震缝两侧砖墙的砌筑过程中,由于一些施工人员对这“三缝”的作用没有充分了解,使砂浆、碎砖等随意落入“三缝”中,有些工程甚至把现浇圈梁的单面木模板都扔进了“三缝”中,有的只拆除了部分模板,有些不好拆的模板干脆全扔在“三缝”中,这就使砖混结构 In the masonry process of the brick walls on both sides of expansion joints, settlement joints and seismic joints of brick-concrete structures, some construction workers do not fully understand the effects of the “three joints”, allowing mortar, broken bricks, etc. to randomly fall into the “three” “Sewage”, some projects even cast the single-sided wooden formwork of the cast-in-place ring beam into the “three seams”, and some only dismantled part of the formwork. Some badly demolished templates were simply thrown into the “three joints”. , This makes the brick and concrete structure