aExtra over 150mm thick concrete slab for thickening to an average width of 230mm and a depth of 150mm including all necessary excavation, formwork and handpacking hardcore on one side 额外150mm厚实的混凝土板为变厚到一个平均宽度230mm和深度的150mm包括所有必要的挖掘、模板和handpacking的hardcore在...
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STUDY ON AVERAGE PRE-COMPRESSED STRESS OF PRESTRESSED CONCRETE SLAB RESTRAINED BY VERTLCAL COMPONETS 来自 知网 喜欢 0 阅读量: 14 摘要: 【CateGory Index】: TU378.5 关键词: average pre-compressed stress vertical componets effective prestress