Research on the Bending Resistance of Embedded Rectangular Concrete-Filled Steel Tubular Column Bases

HU Zhongzheng; ZHANG Gang; LIU Yufei; SHEN Daodong; LI Zhenxing; YANG Zhen; HE Jie; ZHANG Lei; TONG Genshu

doi:10.3724/j.gyjzG25041502

Volume 56 Issue 10

Oct. 2026

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2026 > 56(10): 95-103

HU Zhongzheng, ZHANG Gang, LIU Yufei, SHEN Daodong, LI Zhenxing, YANG Zhen, HE Jie, ZHANG Lei, TONG Genshu. Research on the Bending Resistance of Embedded Rectangular Concrete-Filled Steel Tubular Column Bases[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(10): 95-103. doi: 10.3724/j.gyjzG25041502

Citation:

HU Zhongzheng, ZHANG Gang, LIU Yufei, SHEN Daodong, LI Zhenxing, YANG Zhen, HE Jie, ZHANG Lei, TONG Genshu. Research on the Bending Resistance of Embedded Rectangular Concrete-Filled Steel Tubular Column Bases[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(10): 95-103. doi: 10.3724/j.gyjzG25041502

Citation:

HU Zhongzheng, ZHANG Gang, LIU Yufei, SHEN Daodong, LI Zhenxing, YANG Zhen, HE Jie, ZHANG Lei, TONG Genshu. Research on the Bending Resistance of Embedded Rectangular Concrete-Filled Steel Tubular Column Bases[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(10): 95-103. doi: 10.3724/j.gyjzG25041502

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Research on the Bending Resistance of Embedded Rectangular Concrete-Filled Steel Tubular Column Bases

doi: 10.3724/j.gyjzG25041502

1. POWERCHINA HUADONG Engineering Corporation Limited, Hangzhou 311122, China;
2. Institution of Advanced Engineering Structures, Zhejiang University, Hangzhou 310058, China

Received Date: 2025-04-15
Available Online: 2026-11-06

Abstract

Abstract

The embedded column base is a common type of column base in steel structures. Chinese design codes GB 50017-2017 and JGJ 138-2016 primarily determine the resistance and embedment depth of the embedded steel column bases based on the compressive strength of the concrete surrounding the steel column，but the releveut research on experiments and systems is absence. In this study， quasi-static tests were conducted on two concrete-filled steel tubular （CFST） embedded column base specimens with different embedment depths. Based on the test results， a refined finite element model was developed. The hysteretic behavior of CFST embedded column bases was studied using numerical methods by varying key parameters， including section size， embedment depth， axial compression ratio， and concrete strength. This study proposed an analytical method and formulas for predicting the bending resistance of CFST column embedded column bases， as well as a method for calculating the required embedment depth based on bending resistance. Comparisons showed that the bearing capacities calculated by the proposed methods matched very well with those from the finite element analyses， while the results obtained from the existing design codes GB 50017-2017 and JGJ 138-2016 were significantly more conservative. Furthermore， the minimum embedment depth determined by the proposed method was notably smaller than the values derived from the GB 50017-2017 and JGJ 138-2016 methods.
- embedded column base,
- concrete-filled steel tube,
- finite element simulation,
- seismic performance,
- experimental research

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References(22)

References

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