Experimental study of axial compression behavior of circular concrete-filled steel tubes after being loaded at an early age

2021 ◽  
Vol 300 ◽  
pp. 124020
Author(s):  
Ji Zhang ◽  
Lu Ma ◽  
Changlin Zhou ◽  
Dongkyu Lee ◽  
Filip C. Filippou
Keyword(s):  
Experimental Study ◽  
Axial Compression ◽  
Early Age ◽  
Steel Tubes ◽  
Compression Behavior ◽  
Concrete Filled Steel Tubes

Experimental study on the axial compression behavior of columns confined by BFRP ties

2021 ◽  
Vol 258 ◽  
pp. 113302
Author(s):  
Pu Zhang ◽  
Bowen Chen ◽  
Ye Liu ◽  
Yazheng Tu ◽  
Danying Gao ◽  
...  
Keyword(s):  
Experimental Study ◽  
Axial Compression ◽  
Compression Behavior

scholarly journals Experimental Study on Axial Compression Behavior of Masonry Columns’ Strengthening with Bamboo Scrimber Bar Mesh Mortar Layer

2020 ◽  
Vol 2020 ◽  
pp. 1-11 ◽  
Author(s):  
Hongyao Liu ◽  
Min Lei ◽  
Bowang Chen
Keyword(s):  
Experimental Study ◽  
Bearing Capacity ◽  
Axial Compression ◽  
Failure Process ◽  
Engineering Application ◽  
Compression Tests ◽  
Compression Behavior ◽  
Bamboo Scrimber ◽  
Calculation Results ◽  
Strengthening Method

We propose a new method to strengthen structural masonry. To study on the axial compression behavior of masonry columns’ strengthening with a bamboo scrimber bar mesh mortar layer, axial compression tests of twelve masonry columns have been completed: nine strengthened columns and three unstrengthened columns. The failure process, bearing capacity, and failure mode are carried out. The strengthening method of bamboo scrimber bar mesh mortar layer permits the upgrade of the columns’ bearing capacity. The effects of bamboo bar ratio and mortar strengthening ratio on bearing capacity of the reinforced columns are compared. We propose the method for calculating the axial bearing capacity of such a reinforced column. The calculation results agree well with the experimental results, and the research results are available for engineering application.

scholarly journals Assessment of the early-age strains and stresses in 2D restrained self-stressed members

2020 ◽  
Vol 19 (4) ◽  
pp. 085-094
Author(s):  
Viktar V. Tur ◽  
Volha H. Sannikava
Keyword(s):  
Analytical Approach ◽  
Experimental Results ◽  
Development Model ◽  
Early Age ◽  
Steel Tubes ◽  
Mesh Reinforcement ◽  
Centre Of Gravity ◽  
Expansive Concrete ◽  
Iterative Procedures ◽  
Concrete Filled Steel Tubes

The paper presents the implementation of the modified strains development model (MSDM) for the two-way restrained self-stressed members such as expansive concrete-filled steel tubes and expansive concrete plane elements with arbitrary orthogonal reinforcement. The analytical approach allows defining the restrained strains and stresses in any 2D restraint conditions by following the iterative procedures and accounting for the elastic-plastic behaviour of expansive concrete at an early age. The consistency of the proposed method was confirmed by assessing the experimental results of the two series of the expansive concrete-filled steel tubes and three series of the expansive concrete plane members with mesh reinforcement in the centre of gravity.

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