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Renpeng CHEN, Meng FAN, Hongzhan CHENG, Huaina WU, Yang ZHANG, Bingyong GAO, Shiqiang RUAN. Analyzing the strengthening effect of steel-ultra high performance concrete composite on segmental linings[J]. Journal of Zhejiang University Science A, 1998, -1(-1): .
@article{title="Analyzing the strengthening effect of steel-ultra high performance concrete composite on segmental linings",
author="Renpeng CHEN, Meng FAN, Hongzhan CHENG, Huaina WU, Yang ZHANG, Bingyong GAO, Shiqiang RUAN",
journal="Journal of Zhejiang University Science A",
volume="-1",
number="-1",
pages="",
year="1998",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A2400100"
}
%0 Journal Article
%T Analyzing the strengthening effect of steel-ultra high performance concrete composite on segmental linings
%A Renpeng CHEN
%A Meng FAN
%A Hongzhan CHENG
%A Huaina WU
%A Yang ZHANG
%A Bingyong GAO
%A Shiqiang RUAN
%J Journal of Zhejiang University SCIENCE A
%V -1
%N -1
%P
%@ 1673-565X
%D 1998
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A2400100
TY - JOUR
T1 - Analyzing the strengthening effect of steel-ultra high performance concrete composite on segmental linings
A1 - Renpeng CHEN
A1 - Meng FAN
A1 - Hongzhan CHENG
A1 - Huaina WU
A1 - Yang ZHANG
A1 - Bingyong GAO
A1 - Shiqiang RUAN
J0 - Journal of Zhejiang University Science A
VL - -1
IS - -1
SP -
EP -
%@ 1673-565X
Y1 - 1998
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A2400100
Abstract: This study aims to assess the comprehensive strengthening effect of a steel-UHPC (ultra high performance concrete) composite strengthening method. The axial force-moment interaction curve (N-M curve) was calculated in a novel way, using cross-sectional strains at ultimate states as well as real-time stress measurements for each material. The enclosed area of the N-M curve was defined as a comprehensive performance index for the system. We validate our approach with comparisons to numerical modeling and full-scale four-point bending experiments. Additionally, strengthening effects were compared for different sagging and hogging moments based on material stress responses, and the impact of various strengthening parameters was analyzed. We find that the N-M curve of the strengthened cross-section envelops that of the un-strengthened cross-section. Notably, improvements in flexural capacity are greater under sagging moments during the large eccentric failure stage, and greater under hogging moments during the small eccentric failure stage. This discrepancy is attributed to the strength utilization of strengthening materials. These findings provide a reference for understanding the strengthening effects and parameters of steel-UHPC composite.
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