STUDY ON CONSTITUTIVE MODEL OF CORE CONCRETE OF RECYCLED AGGREGATE CONCRETE FILLED STEEL TUBULAR COLUMNS UNDER COMPRESSION

LI Jiaqi; CHEN Zhihua; DU Yansheng; WU Yongchuan; LIU Xueshan

doi:10.13204/j.gyjzG20081506

Volume 51 Issue 5

Sep. 2021

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LI Jiaqi, CHEN Zhihua, DU Yansheng, WU Yongchuan, LIU Xueshan. STUDY ON CONSTITUTIVE MODEL OF CORE CONCRETE OF RECYCLED AGGREGATE CONCRETE FILLED STEEL TUBULAR COLUMNS UNDER COMPRESSION[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(5): 108-115,15. doi: 10.13204/j.gyjzG20081506

Citation:

LI Jiaqi, CHEN Zhihua, DU Yansheng, WU Yongchuan, LIU Xueshan. STUDY ON CONSTITUTIVE MODEL OF CORE CONCRETE OF RECYCLED AGGREGATE CONCRETE FILLED STEEL TUBULAR COLUMNS UNDER COMPRESSION[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(5): 108-115,15. doi: 10.13204/j.gyjzG20081506

Citation:

LI Jiaqi, CHEN Zhihua, DU Yansheng, WU Yongchuan, LIU Xueshan. STUDY ON CONSTITUTIVE MODEL OF CORE CONCRETE OF RECYCLED AGGREGATE CONCRETE FILLED STEEL TUBULAR COLUMNS UNDER COMPRESSION[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(5): 108-115,15. doi: 10.13204/j.gyjzG20081506

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STUDY ON CONSTITUTIVE MODEL OF CORE CONCRETE OF RECYCLED AGGREGATE CONCRETE FILLED STEEL TUBULAR COLUMNS UNDER COMPRESSION

doi: 10.13204/j.gyjzG20081506

1. School of Civil Engineering, Tianjin University, Tianjin 300072, China;
2. Hebei Construction Group Corporation Limited, Baoding 071000, China

Received Date: 2020-08-15
Available Online: 2021-09-16
Publish Date: 2021-09-16

Abstract

Abstract

It is of great significance to introduce manufactured sand and recycled coarse aggregate into concrete-filled steel tubular (CFST) structures to solve the problems of resource shortage and construction waste pollution. However, there are few studies on recycled concrete members with manufactured sand and no research has been made on the constitutive model of recycled concrete with manufactured sand which is suitable for finite element analysis. In this paper, through ABAQUS software modeling, combined with the test data in relevant literature, several commonly used constitutive models of recycled concrete were compared. According to the comparison results of load-displacement curve and ultimate bearing capacity, the optimal constitutive model of recycled concrete was determined; on the basis of the data in the literature, the calculation formula of the constitutive model was modified, and the infuence of manufactured sand was discussed. Finally, a constitutive model for the concrete core of recycled concrete with manufactured sand filled steel tube.
- manufactured sand,
- recycled concrete,
- constitutive model,
- finite element analysis

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References(18)

References

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