|Table of Contents|

Grey Relevance Analysis of Influencing Parameters of Bearing Capacity of Concrete Beam-column Joints in Traditional Style Buildings(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2019年06期
Page:
80-87
Research Field:
Publishing date:

Info

Title:
Grey Relevance Analysis of Influencing Parameters of Bearing Capacity of Concrete Beam-column Joints in Traditional Style Buildings
Author(s):
DONG Jin-shuang1; 2;  SUI Yan2;  XUE Jian-yang2
(1. College of Civil Engineering and Architecture, Hainan University, Haikou 570228, Hainan, China;2. School of Civil Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, Shaanxi, China)
Keywords:
traditional style building;  double beam-column joint;  bearing capacity;  grey relevance analysis
PACS:
TU311
DOI:
-
Abstract:
In order to study the failure characteristics and mechanical properties of concrete beam-column joints of traditional style building, the dynamic cyclic loading tests of two joint specimens were carried out, including a traditional style concrete double-beam-column joint and a single-beam-column joint. And the restoring force characteristic curves of the specimens were obtained. Based on the experimental results, the three-dimensional finite element model of specimen was established by using ABAQUS software. On the basis of validating the rationality of the model structure and combining with the relational analysis method of grey system theory, taking the key parameters such as axial compression ratio, concrete strength, spacing between upper and lower beams and stirrup ratio as the relational factors, the relational degree of the key influencing factors of bearing capacity of the traditional style concrete beam-column joints was calculated, and the weight order of the influencing factors of each parameter on its bearing capacity was obtained. The results show that compared with single beam-column joints, the traditional style concrete double beam-column joints have higher bearing capacity and energy dissipation capacity, fuller hysteretic curve, but their displacement ductility is slightly smaller than single beam-column joints. Generally, the deformation and energy dissipation capacity of the joint area of the traditional style concrete beam-column specimens are strong, and the seismic performance is good. The key influencing factors of bearing capacity of traditional style concrete beam-column joints are concrete strength, stirrup ratio, section steel strength and axial compression ratio in turn. The research results provide a new idea for the further study of mechanical properties and bearing capacity calculations of traditional style buildings.

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Last Update: 2019-11-26