1、塔吊基礎沉降觀測應定期進行,半月一次,垂直度的測定當塔吊在獨立高度以內時半月一次,當安裝附牆後應每月觀測一次(安裝附牆時就要觀測垂直度狀況,以便於附牆調節)。
2、當塔吊出現沉降不均,垂直度偏差超過塔高的1/1000shi,yingduitadiaojinxingjiupianxiaozheng,zaifuqiangweishezhiqian,zaizuidijieyutadiaojijiaoluoshuanjianjiadiangangpianxiaozheng,xiaozhengguochengzhongyonggaodunqianjindingdingqitashen,weibaozhenganquan,tashenyongdalanshengsimianlanjin,qiebunengjiangjijiaoluoshuanchaixialai,zhinengsongdongluoshuanshangdeluomu,jutichangdugenjujiadianpiandehouduerqueding,dangyouduodaofuqiangjiashehou,tadiaodechuizhiduxiaozheng,zaibaozhenganquandeqiantixia,ketongguotiaojiefuqianglagandechangdulaishixian。
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