Journal of Northeastern University Natural Science ›› 2016, Vol. 37 ›› Issue (8): 1177-1181.DOI: 10.12068/j.issn.1005-3026.2016.08.023

• Resources & Civil Engineering • Previous Articles     Next Articles

Numerical Analysis of the Mechanical Properties of Steel Tube Slab Component Under Different Structural Parameters

JIA Peng-jiao1, ZHAO Wen1, HAO Yun-chao2, HAN Jian-yong1   

  1. 1. School of Resources & Civil Engineering, Northeastern University, Shenyang 110819, China; 2. Engineering Survey & Design Company of China Railway Seventh Group Co., Ltd., Zhengzhou 450016,China.
  • Received:2015-07-24 Revised:2015-07-24 Online:2016-08-15 Published:2016-08-12
  • Contact: HAN Jian-yong
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Abstract: Based on the experimental results of 8 STS(steel tube slab) components, the finite element models were proposed to study the mechanical properties of STS components, and influence of steel thickness, bolt diameter, reinforcement ratio and flange distance on the mechanical properties of STS component was analyzed. The results indicate: steel thickness has a little influence on the flexural capacity of STS component, but it effectively improves lateral stiffness of STS component; flange distance has a notably influence on the flexural capacity and lateral stiffness of STS component; however, bolt diameter and reinforcement ratio have little influence on the flexural capacity and lateral stiffness of STS component.

Key words: steel tube slab(STS) component, mechanical properties, numerical analysis, concrete-filled steel tube, structural parameter

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