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Experimental and Numerical Investigation of Steel-Concrete Composite Waffle Slab Behavior
| 题名： | Experimental and Numerical Investigation of Steel-Concrete Composite Waffle Slab Behavior |
| 其他题名： | Abdul-Wahab,H.M.S.,and Khalil,M.H.(2000)."Rigidity and strength of orthotropic reinforced concrete waffle slabs."J.Struct.Eng.,10.1061/(ASCE)0733-9445(2000)126:2(219),219–227. |
| 正文语种： | 英文 |
| 作者： | Jianguo Nie |
| 关键词： | Composite waffle slabs;Simply supported;Ultimate capacity;Simplified method;Metal and composite structures |
| 摘要： | This paper proposes a new kind of composite waffle slab that consists of orthogonal steel girders and flat RC slab. The steel beams help decrease the cracking that occurs with concrete, and using prefabricated RC slabs reduces the framework and speeds up the construction. An experimental investigation of steel-concrete composite waffle slabs is conducted, and the specimens are proved to have excellent ductility and load-bearing capacity. Then a mixed finite-element (FE) model combining the beam elements and shell elements is proposed to predict the behavior of composite waffle slab. Based on the numerical model, a series of parameter analyses are conducted, and the influences of different parameters on the mechanical behavior of the composite waffle slab are intensively investigated. Simplified formulas for the ultimate capacity of the composite waffle slab are derived based on the test observations and numerical analysis. Reasonable recommendations are proposed to help engineers design the composite waffle slab effectively. |
| 出版年： | 2015 |
| 论文唯一标识： | P-26Y2015V141N11009 |
| 英文栏目名称： | Technical Papers |
| doi： | 10.1061/(ASCE)ST.1943-541X.0001268 |
| 期刊名称： | Journal of Structural Engineering |
| 拼音刊名(出版物代码)： | P-26 |
| 卷： | 141 |
| 期： | 11 |
| 页码： | 80-92 |
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