The Investigation and Application of Self-compacting Expensive Concrete Filled Steel Tube

LI Yue; ZHANG Li-hui

doi:10.3969/j.issn.0254-0037.2005.05.011

Journal of Beijing University of Technology > 2005 > 31(5): 496-499. > DOI: 10.3969/j.issn.0254-0037.2005.05.011

LI Yue, ZHANG Li-hui. The Investigation and Application of Self-compacting Expensive Concrete Filled Steel Tube[J]. Journal of Beijing University of Technology, 2005, 31(5): 496-499. DOI: 10.3969/j.issn.0254-0037.2005.05.011

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The Investigation and Application of Self-compacting Expensive Concrete Filled Steel Tube

LI Yue¹,
ZHANG Li-hui²

1. College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100022, China;
2. The Communication School, Hebei University of Technology, Tangshan, Hebei 063009, China

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Received Date: October 26, 2004
Available Online: November 21, 2022

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In order to meet the construction requirements of Long-tan River arch bridge, we prepared the self-compacting expensive C50 concrete that possesses good workability, high strength, high early strength and expansive properties. The self-strains of steel tube caused by the core concrete expansion and the maximum load bearing capacity of steel tube filled with self-compacting exponsive concrete were all studied. The experimental results show that the core concrete is under three-dimensional suppressed, and the bearing capacity of steet tube filled with expansive concre is about 7% more than that of common concrete filled steel tube. The construction application effect was good.
- self-compacting,
- expansive,
- concrete filled steel tube

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