|Table of Contents|

Stiffness Regularity in Option of Frame-corewall Composite Structure Systems(PDF)

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

Issue:
2008年01期
Page:
10-17
Research Field:
Publishing date:
2008-03-20

Info

Title:
Stiffness Regularity in Option of Frame-corewall Composite Structure Systems
Author(s):
NIE Jian-guo1;  TIAN Shu-ming1;  JIAO Jin-guang2
1. Key Laboratory of Structural Engineering and Vibration of Ministry of Education, Tsinghua University, Beijing 100084, China; 2. Beijing Space-time Creator Architecture Design Ltd, Beijing 100840, China
Keywords:
frame-corewall structure;  structural option;  stiffness regularity;  unified stiffness characteristic parameter
PACS:
TU398.2
DOI:
-
Abstract:
Frame-corewall structure system is categorized into four structural types according to different connections of outrigger frame beams between perimeter frame column and corewall. Lateral stiffnesses of four structural types were analyzed and concluded; fundamental period, shear force of frame and base moment of corewalls were compared respectively; calculation formulae on relative relationship among mechanical property of four types were proposed, which was verified by response spectrum analysis of calculation case. Furthermore, the four structural types were compared with frame-corewall structure with strengthened-story. Stiffness characteristic parameters in five types of frame-corewall composite structural systems were unified and reasonable range was suggested. Based on above analysis, two kinds of strengthening methods including distributed method and concentrated method were contrasted by actual engineering case, as well as composite effect of composite beam under different earthquake intensities. Stiffness regularity proposed above can be applied to option of structural scheme in preliminary design stage of high-rise structure for reference.

References:

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Last Update: 2008-03-20