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南京市某商务办公楼高20层,建筑面积约2万m~2,自1997年落成以来,在17层A1房、B2房及走廊、18层C2房及C3房、19层B2房约7处地砖,先后发生10余次局部起拱。地砖起拱时,一般为局部(两排)抬升,抬升高度达30mm;拱起方向一般与房间纵向垂直,位置多处于房间端部;地砖与粘结层完全脱离,粘结层未破坏并与结构层连接牢固,粘结层表面有砂眼及少数直径约6mm的气
Nanjing City, a business office 20 storeys high, the construction area of about 20,000 m ~ 2, since 1997 has been completed in 17 layers of A1, B2 and corridors, 18-storey C2 and C3 rooms, 19-storey B2 about 7 At the floor tiles, there have been more than 10 times partial arch. Floor tiles arch, the general partial (two rows) uplift, lifting height up to 30mm; arching generally vertical direction with the room, the location of more in the end of the room; floor tiles and adhesive layer completely detached, the adhesive layer is not damaged and with The structural layer is firmly connected, the surface of the adhesive layer has trachoma and a few gas with a diameter of about 6mm