Bond-Slip Constitutive Model and Numerical Simulation of Shaped Steel Embedded in UHPC

HUANG Zhenyu; LIN Gan; HUANG Xinxiong; LI Weiwen; SUI Lili; Youtam

doi:10.13204/j.gyjzG21092803

Volume 54 Issue 3

Mar. 2024

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2024 > 54(3): 143-152

HUANG Zhenyu, LIN Gan, HUANG Xinxiong, LI Weiwen, SUI Lili, Youtam. Bond-Slip Constitutive Model and Numerical Simulation of Shaped Steel Embedded in UHPC[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(3): 143-152. doi: 10.13204/j.gyjzG21092803

Citation:

HUANG Zhenyu, LIN Gan, HUANG Xinxiong, LI Weiwen, SUI Lili, Youtam. Bond-Slip Constitutive Model and Numerical Simulation of Shaped Steel Embedded in UHPC[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(3): 143-152. doi: 10.13204/j.gyjzG21092803

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Bond-Slip Constitutive Model and Numerical Simulation of Shaped Steel Embedded in UHPC

doi: 10.13204/j.gyjzG21092803

HUANG Zhenyu^1,2,
LIN Gan^1,2,
HUANG Xinxiong^1,2,
LI Weiwen^{1,2
,
,},
SUI Lili^1,2,
Youtam²

1. Guangdong Provincial Key Laboratory of Durability for Marine Civil Engineering, Shenzhen 518060, China;
2. College of Civil and Transportation Engineering, Shenzhen University, Shenzhen 518060, China

Received Date: 2021-09-28
Available Online: 2024-05-29

Abstract

Abstract

Shaped steel embedded UHPC (ultra-high-performance concrete) has obvious advantages over shaped steel embedded normal concrete in bond strength and deformation performance. The bond-slip relation of shaped steel embedded UHPC shows unique slip pseudo-plasticity, but the constitutive model characterizing the bond slip has not been reported. Based on the published test data, the formula to predict the characteristic bond strength and slip was developed by using the key parameters of grey correlation and a new bond stress-slip constitutive models for steel-UHPC was proposed. This study also verified the model accuracy against the published test data. Based on that, the finite element (FE) model was established to analyze the development of interface slip by using the cohesive zone model to simulate the bond-slip properties between H-shaped steel and UHPC. The comparison between the FE analysis and the test results showed that the proposed cohesive zone model could accurately simulate the slip and damage development of the shaped steel-UHPC interface.
- steel reinforced concrete,
- UHPC,
- bond-slip constitutive model,
- numerical simulation

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References(29)

References

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