The Rebar Strains Performance Test and Research of All-lightweight Aggregate Concrete Beam-column node under the earthquake action

Zhang, Runtao; Qu, Bo

doi:10.2991/icadme-15.2015.67

Proceedings of the 5th International Conference on Advanced Design and Manufacturing Engineering 2015

DOI: 10.2991/icadme-15.2015.67

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The Rebar Strains Performance Test and Research of All-lightweight Aggregate Concrete Beam-column node under the earthquake action

Runtao Zhang¹,

Bo Qu²

Abstract: Abstract. Under the different axial compression ratios,testing the two intermediate nodes low cycle loading of the all-lightweight aggregate concrete frame beam-column node.Research the aseismatic performance of all-lightweight aggregate concrete frame beam-column node.Analyse the rebar strains of beam-end and joint core under the earthquake action of all-lightweight aggregate concrete frame beam-column node.Evaluation the seismic performance of all-lightweight aggregate concrete frame beam-column node.

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2024

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Seismic Performance Analysis of RC Frame Structure Beam–Column Joints Based on Strong Column and Weak Beam Method

Zhang

2024

Buildings

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Based on the design concept of a strong column and weak beam, a new type of reinforced concrete frame structure beam–column joint is proposed. Considering different column end amplification factors (beam–column bending moment ratio), the finite element method (FEA) is used to analyze the parameters that affect the seismic performance of RC frame structure beam–column joints. The reliability verification error is within 4.8% to 11.7%, meeting the requirements of engineering accuracy. Then, through parameter analysis, the effects of different concrete strengths, stirrup diameters, and axial pressures on the seismic performance of the joint are studied. The study results show that enhancing concrete strength has a significant effect on the seismic performance of the structure, especially when the amplification factor is 2.0. Compared with the C20 specimen, the bearing capacity of the C40 specimen increased by 26.88%. However, the increase in stirrup diameter did not significantly improve the performance of the specimen. In addition, a high axial pressure ratio may affect the bearing capacity of the structure. This study provides a new type of beam–column joint that conforms to the design concept of a strong column and weak beam and provides a theoretical basis for its application in engineering.

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Seismic Performance Analysis of RC Frame Structure Beam–Column Joints Based on Strong Column and Weak Beam Method

Zhang

2024

Buildings

View full text Add to dashboard Cite

show abstract

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The Rebar Strains Performance Test and Research of All-lightweight Aggregate Concrete Beam-column node under the earthquake action

Cited by 1 publication

References 0 publications

Seismic Performance Analysis of RC Frame Structure Beam–Column Joints Based on Strong Column and Weak Beam Method

Seismic Performance Analysis of RC Frame Structure Beam–Column Joints Based on Strong Column and Weak Beam Method

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