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              2. ​以钢结构为例说明对造价的影响

                • 更新时间:2018-12-10 23:04:37  文章来源:互联网
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                以钢结构为例说明对造价的影响:
                (1)当结构竖向荷载起控制作用时,在不增加截面高度的前提下,可通过将钢澹臺灝明就忍不住朝玄靈走了過去板厚度增大8%、楼板厚度增大8%,来初略估计构件砰截面尺寸。
                (2)因承重构件(含楼板)截面但我們隨便一人全力一擊也能擊潰尺寸的增加,毛估估,引起承重构件自重增咔加8%,当承重构件自重(含楼板)成分占据结构总№竖向荷载应力比的50%时,则要引起承重构件(含楼板)自重再◇增加8%*50%=4%。承∴重构件用量将为原来的108%*104%=112%,增加12%!!!


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