四、扁壳之施工(一)施工过程组织与进度计划按照前面确定的施加预应力方案,结合现场条件,施工过程组织及进度计划如表4.1,表4.2。(二)模板设计与架设1.鹰架设计施工前对模板设计曾进行多次研究讨论,起初曾考虑利用已建框架结构中钢筋混凝土柱架设桁架,中央设四个木制或纲制塔架作为鹰架支柱。也曾考虑用砂箱基础,以便整体脱模。这方案有桁架少 Four, the construction of flat shell (A) the construction process and schedule According to the pre-stressed prestressed program, combined with on-site conditions, the construction process and schedule of progress as shown in Table 4.1, Table 4.2. (B) template design and erection 1. Scaffolding design before the template design had conducted many studies and discussions, initially considered the use of already built frame structure of reinforced concrete column erecting truss, the central set of four wooden or platform system As scaffolding pillar. Sandbox bases have also been considered for overall demolding. This scheme has less trusses