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屋盖结构是房屋建筑不可缺少的组成部分,尤其是大跨度建筑物,屋盖结构更是整个建筑结构的重要组成部分,无论是设计生产还是施工安装,都是在建筑工程中难度最大、技术要求最高的。其造价可占整个建筑物造价的30%～40%左右。因此,就大,中型跨度的建筑物而言,屋面采用什么样的结构形式,对加快工程进度,降低工程造价起着决定的作用。拱板屋盖结构形式,如图1所示。其技术经济指标如表1所示。
The roof structure is an indispensable part of building construction, especially for large-span buildings. The roof structure is an important part of the entire building structure. Whether it is design, production, or construction and installation, it is the most difficult and technical problem in construction projects. The highest demand. Its cost can account for about 30% to 40% of the total building cost. Therefore, in terms of large and medium-span buildings, what kind of structural form the roof adopts will play a decisive role in accelerating the progress of the project and reducing the project cost. The structure of the dome plate roof is shown in Figure 1. Its technical and economic indicators are shown in Table 1.