Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Study on the Mechanical Properties of BFRP Tube Confined Concrete Short Columns under Axial Compression

Version 1 : Received: 7 September 2020 / Approved: 8 September 2020 / Online: 8 September 2020 (11:29:11 CEST)

How to cite: DING, X.; Wang, S.; Liu, Y.; Zheng, Z. Study on the Mechanical Properties of BFRP Tube Confined Concrete Short Columns under Axial Compression. Preprints 2020, 2020090189 (doi: 10.20944/preprints202009.0189.v1). DING, X.; Wang, S.; Liu, Y.; Zheng, Z. Study on the Mechanical Properties of BFRP Tube Confined Concrete Short Columns under Axial Compression. Preprints 2020, 2020090189 (doi: 10.20944/preprints202009.0189.v1).

Abstract

Axial compression tests were carried out on 6 square steel tube confined concrete short columns and 6 BFRP square pipe confined concrete axial compression tests. The concrete strength grades were C30, C40, and C50. The test results show that the failure modes of steel pipe and BFRP pipe are obviously different, and the BFRP pipe undergoes brittle failure. Compared with the short columns of concrete confined by BFRP pipes, the ultimate bearing capacity of axial compression is increased by -76.46%, -76.01%, and -73.06%, and the ultimate displacements are -79.20%, -80.78%, -71.71%.

Subject Areas

BFRP square tube;Concrete short column;Axial compression test;Simulation analysis

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