在达拉斯的一个工程上,对二幢42层办公楼的施工计划仅允许四天建造一层。每幢塔楼结构使用了在每一层需控制144个模板表面的多孔混凝土周边墙。外墙用花岗石饰面,故其允许误差极为严格,这就必须在墙体浇灌时不使爬升模板歪曲。仅有的二台塔吊不敷吊斗浇灌之需,而混凝土用泵送时有三种方案选择: 1,以固定桅杆配布料器浇灌,这未能付 In a project in Dallas, the construction plan for two 42-story office buildings allowed only four days to build a floor. Each tower structure uses a perforated concrete perimeter wall that controls 144 template surfaces at each floor. The exterior wall is decorated with granite, so its allowable error is very strict, which must not be distorted when the wall is watered. The only two tower cranes are not sufficient for the buckets to water, and there are three options when the concrete is pumped: 1. It is watered with fixed masts and distributors, which cannot be paid.