|Table of Contents|

Ultimate Bearing Capacity of CHS Inner and SHS Outer Concrete-filled Double Skin Tubes Stub Columns(PDF)

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

Issue:
2008年04期
Page:
78-82
Research Field:
Publishing date:
2008-12-20

Info

Title:
Ultimate Bearing Capacity of CHS Inner and SHS Outer Concrete-filled Double Skin Tubes Stub Columns
Author(s):
ZHANG Chang-guang1; 2;  ZHAO Jun-hai3;  WEI Xue-ying3;  JIA Ping4
1. Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai 200092, China; 2. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 3. School of Architectural Engineering, Chang'an University, Xi'an 710061, Shaanxi,China; 4. Xinjiang Architectural Design and Research Group, Urumqi 830002, Xinjiang, China
Keywords:
concrete-filled double skin tubes;  unified strength theory;  equivalent restriction;  ul-timate bearing capacity
PACS:
TU312
DOI:
-
Abstract:
Based on unified strength theory solution of thickness cylinder, according to the characteristics and equivalent restriction reduction factor of concrete, circle hollow section(CHS)inner and square hollow section(SHS)outer concrete-filled double skin tubes were equivalent to CHS inner and CHS outer concrete-filled double skin tubes through introducing concrete strength reduction factor. Ultimate bearing capacity formulae were deduced and the comparisons between the calculation results and experiment results were carried out. The results show that the theory formulae are correct and viable. The results offer the theoretical foundation to the research of CHS inner and SHS outer concrete-filled double skin tubes stub columns and provide references for the engineering design.

References:

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Last Update: 2008-12-20