地面砖空鼓已成为地面砖铺贴的一项质量通病。造成地面砖空鼓的原因主要有:基层清理不干净,砂浆水灰比过大;面砖浸泡时间不够或不浸泡;底灰铺得不均匀,用木抹子搓不平;面砖背面四周抹浆过多,中间抹浆过少,用橡皮锤敲不实等。地面砖铺贴除应遵照《建筑地面工程施工及验收规范》(GB 50209-95)以外,还应采取以下预防措施。1.基层必须认真清扫干净,并洒水充分湿润,湿润时间一般为24h,且无积水现象, Floating brick hollow floor tiles have become a quality common problem. Caused by the reasons for ground brick hollowing: the grass-roots cleaning is not clean, mortar water-cement ratio is too large; brick soaking time is not enough or not soaked at the end of uneven gray cloth with wood trowel uneven; More, too little in the middle of the plaster, with a rubber hammer knock not real and so on. In addition to follow the "Building Ground Construction and Acceptance Code for Construction (GB 50209-95), the following precautions should also be taken. 1. The grass-roots must be carefully cleaned and sprinkled fully wet, wetting time is generally 24h, and no water phenomenon,