华侨大学教师个人主页叶勇--中文主页-- Shear behavior of composite stone beams reinforced with NSM longitudinal CFRP bars

叶勇(土木工程系副主任)

学位：工学博士学位
职称：副教授

硕士生导师

学位：工学博士学位
办公地点：土木学科实验大楼505办公室
电子邮箱：
职务：土木工程系副主任

学科：结构工程

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Shear behavior of composite stone beams reinforced with NSM longitudinal CFRP bars

点击次数：

发表刊物：

Construction and Building Materials

摘要：

Employing near-surface mounted (NSM) carbon fiber reinforced polymer (CFRP) bars in the tensile zone of bare stone beams can effectively improve their flexural performance. Meanwhile, shear failure could occur when excessive amount of flexural reinforcement is adopted. Seven composite stone beams were tested to study the shear behavior of composite stone beams reinforced with NSM CFRP bars. The test variables included the shear span to depth ratio and the reinforcement ratio. Digital Image Correlation (DIC) technology was used to capture the full-field strain of the beams. The results indicated that the composite stone beam exhibited ductile failure mode with visible deflection and multiple cracks formed in both constant bending zone and flexural-shear zone. With the decrease of shear span to depth ratio, the cracking load and shear capacity increased linearly but the deformation capacity decreased. For the same shear span to depth ratio of 2.5, the composite beam with a higher CFRP reinforcement ratio observed higher shear load-carrying capacity. DIC results demonstrated the shear force was mainly provided by the arch action before failure. A shear-resistance theoretical model based on Rankine's failure criteria, sectional mechanical analysis and experimental observations was proposed and verified with the current and previous test results.

论文类型：

期刊论文

页面范围：

2023,363:129802

是否译文：

否

收录刊物：

SCI

第一作者：

苗伟

合写作者：

叶勇,Basha Syed Humayun

通讯作者：

郭子雄

附件：

Miao et al (2023)-Shear behavior of composite stone beams reinforced with NSM longitudinal CFRP bars.pdf

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个人简介

叶勇博士，男，1985年7月出生，福建泉州人。现任华侨大学土木工程学院副教授、硕士研究生导师、土木工程系副主任，从事结构工程方向的教学与研究工作。主持国家自然科学基金项目2项(面上、青年各1项)、福建省自然科学基金面上项目2项、中国博士后科学基金项目1项等多项科研项目。在国内外学术期刊及会议上发表论文80余篇，其中SCI、EI收录50余篇，1篇论文获英国土木工程师协会(ICE)年度出版奖。曾获华侨大学青年教师“精彩一堂课”教学竞赛一等奖，华侨大学优秀班主任，华侨大学土木工程学院优秀共产党员。

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