|Table of Contents|

Analysis of Composite Beam Rigidity Influencing Seismic Properties of Composite Frame(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2006年01期
Page:
39-44
Research Field:
Publishing date:
2006-03-20

Info

Title:
Analysis of Composite Beam Rigidity Influencing Seismic Properties of Composite Frame
Author(s):
WANG Suo-jun1; 2;  WANG Yuan-qing1;  WU Jie2;  NIE Jian-guo1
1. Department of Civil Engineering, Tsinghua University, Beijing 100084, China; 2. Beijing Landmark Engineering Design Ltd, Beijing 100051, China
Keywords:
composite frame;  damping ratio;  natural vibration period;  drift of story
PACS:
TU398.9
DOI:
-
Abstract:
To study the steel-concrete composite frame rigidity, which influences the seismic performance of composite frame, authors analyzed a multi-storied steel project by two different ways, one treated the project as steel frame and the other treated it as composite frame which took the composite effect based on finite element analysis software ANSYS, to proceed the normal earthquake response spectrum analysis and elastic time-history analysis under different damping ratios of these two ways. The results which take the composite effect into account show that the natural vibration period is shorter, the rigidity of the structure is larger and the inter-story drift is smaller than the result of the other way. Although the rigidity of the structure is larger, the force of seismic is little larger. Because its damping ratios is similar with concrete structure, its drift of story and force of seismic are smaller than steel structure, and it is a good form structure.

References:

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Last Update: 2006-03-20