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

卷:

期数:

2026年02期

页码:

51-65

栏目:

建筑结构

出版日期:

2026-03-30

文章信息/Info

Title:

Shear fine analysis model and calculation method of concrete frame beam-column joints reinforced by FRP sheet

文章编号:

1673-2049(2026)02-0051-15

作者:

周剑¹,刘喜²,高徐军¹,刘洋¹,吕佼佼¹

(1. 中国电建集团西北勘测设计研究院有限公司,陕西 西安 710065; 2. 长安大学 建筑工程学院,陕西 西安 710061)

Author(s):

ZHOU Jian¹, LIU Xi², GAO Xujun¹, LIU Yang¹, LYU Jiaojiao¹

(1. Northwest Engineering Corporation Limited of Power China, Xi'an 710065, Shaanxi, China; 2. School of Civil Engineering, Chang'an University, Xi'an 710061, Shaanxi, China)

关键词:

FRP布加固;  框架梁柱节点;  精细化分析模型;  数据库;  抗剪承载力

Keywords:

FRP sheet reinforcement;  frame beam-column joint;  fine analysis model;  database;  shear bearing capacity

分类号:

TU318

DOI:

10.19815/j.jace.2024.01014

文献标志码:

A

摘要:

为研究FRP布包裹加固框架梁柱节点时新旧结构协同工作性能的保障机制及相关分析模型的准确性、适用性,解决该类节点加固领域的核心技术难点,为节点抗剪承载力分析模型的合理选择提供依据,收集了国内外60组FRP加固节点受剪试验数据,采用典型节点精细化分析模型与国内外规范,完成节点抗剪承载力计算分析并与试验值进行对比,分析了各模型的准确性和适用性。结果表明:各精细化分析模型计算值均高于试验值,中国规范的计算结果与试验结果较为接近; 各类模型可用于预测该类加固节点的抗剪承载力,采用FRP布对核心混凝土进行加固能够提供较好的约束效应并保障新旧结构协同工作。

Abstract:

In order to study the guarantee mechanism of the collaborative working performance of new and old structures when FRP sheet was wrapped around reinforced frame beam-column joints and the accuracy and applicability of related analysis models, to solve the core technical difficulties in the field of joint reinforcement, and to provide a basis for the reasonable selection of joint shear bearing capacity analysis models, the shear test data from 60 sets of FRP reinforced joints at home and abroad were collected, and a refined analysis model of typical joints and domestic and foreign standards were used to complete the calculation and analysis of joint shear bearing capacity. The calculated results were compared with experimental values and the accuracy and applicability of each model were analyzed. The results show that the calculated values of each refined analysis model are higher than the experimental values, and the calculation results of China's standards are relatively close to the experimental results. Various models can be used to predict the shear bearing capacity of this type of reinforced joint, and using FRP sheet to reinforce the core concrete can provide better constraint effects and ensure the collaborative working ability of the new and old structures.

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相似文献/References:

备注/Memo

备注/Memo:

收稿日期:2024-01-10
基金项目:陕西省自然科学基础研究计划项目(2022KJXX-03); 中国电建集团西北勘测设计研究院有限公司技术开发项目(KJ-WW-2023-05)
作者简介:周 剑(1984-),男,正高级工程师,E-mail:277144410@qq.com。
Author resume: ZHOU Jian(1984-), male, professor of engineering, E-mail: 277144410@qq.com.

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更新日期/Last Update: 2026-04-01