2009•Journal of Nanchang UniversityRequires access

Analysis of Force and Strength for Concrete with Nano-SiO_2 Filled Double Skintubes

Leng Hao-ran

Abstract

The concept of the application of Nano-SiO2 in concrete filled double skin tubes is put forward.The bearing capacities of concrete with Nano-SiO2 filled double skinned steel tubular stub columns under the axial compression were calculated.The ultimate equilibrium method was adopted to derive a theoretical formula using the previous experimental results.The calculation result is obtained.Results show that the bearing capacity of concrete with Nano-SiO2 filled double skin tubes was larger than that of concrete filled double skin tubes,the bearing capacity of the former was increased by 20%.

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Key concepts: Stub (electronics), Nano-, Bearing capacity, Materials science, Structural engineering, Composite material, Bearing (navigation), Engineering