Parametric studies on the behavior of steel and composite space structures

被引：5
|
作者：
Lakshmikandhan K.N. [1 ]
Senthil R. [2 ]
Arul Jayachandran S. [3 ]
Sivakumar P. [1 ]
Ravichandran R. [1 ]
机构：
[1] CSIR, SERC, Taramani
[2] Structural Engineering Division, Anna University
[3] IIT Madras
来源：
International Journal of Space Structures | 2010年 / 25卷 / 03期
关键词：
double layer grids; limit state design; space structures; steel concrete composite; steel tubes;
D O I：
10.1260/0266-3511.25.3.169
中图分类号：
学科分类号：
摘要：
Double layered grid space structures are well known in the building industry for their ability to cover large areas. This paper presents the results of a parametric study on the various factors affecting the flexural behavior of double layered grid space structures, considering (i) various support arrangement (ii) concrete slab at the top and (iii) an experimental investigation on a full scale space grid. Based on the study it was concluded that top concrete slab enhances not only the strength of top chord compression members but also increase the strength and stiffness of the system with a fail safe system. It was found from the study that atleast 20% saving in steel is possible with a mid edge supported system.
引用
收藏
页码：169 / 183
页数：14
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