Dynamic Response of Fiber Reinforced Polymer Bar Reinforced Concrete Beams under Low Velocity Impact

To study the dynamic response characteristics of concrete beams with Fiber Reinforced Polymer Bars(FRP), the failure process, energy conversion, and dissipation of FRP beams without stirrups under different impact velocity, longitudinal reinforcement, and shear span ratios were discussed through dro...

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Main Authors: Zhihong MA, Gang MA, Zhihua WANG
Format: Article
Language:English
Published: Editorial Office of Journal of Taiyuan University of Technology 2021-01-01
Series:Taiyuan Ligong Daxue xuebao
Subjects:
Online Access:https://tyutjournal.tyut.edu.cn/englishpaper/show-169.html
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author Zhihong MA
Gang MA
Zhihua WANG
author_facet Zhihong MA
Gang MA
Zhihua WANG
author_sort Zhihong MA
collection DOAJ
description To study the dynamic response characteristics of concrete beams with Fiber Reinforced Polymer Bars(FRP), the failure process, energy conversion, and dissipation of FRP beams without stirrups under different impact velocity, longitudinal reinforcement, and shear span ratios were discussed through drop weight impact test. The results show that: 1. The failure process of FRP beams can be divided into four stages: impact response stage, damage initiation stage, crack development stage, and spring-back stage. 2. On the basis of the assumption that the displacement distribution of FRP beams is sinusoidal, inertia force was obtained by using the principle of virtual work. Through the analysis of the impact force-time history and the sum of inertia force and supporting force- time history, it is verified that the inertia force formula of RC beam is also suitable for FRP beam.
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spelling doaj.art-687c3acc57df47ec86709f5439b44e462024-04-09T05:16:43ZengEditorial Office of Journal of Taiyuan University of TechnologyTaiyuan Ligong Daxue xuebao1007-94322021-01-0152112213110.16355/j.cnki.issn1007-9432tyut.2021.01.0171007-9432(2021)01-0122-10Dynamic Response of Fiber Reinforced Polymer Bar Reinforced Concrete Beams under Low Velocity ImpactZhihong MA0Gang MA1Zhihua WANG2College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaCollege of Civil Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaCollege of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaTo study the dynamic response characteristics of concrete beams with Fiber Reinforced Polymer Bars(FRP), the failure process, energy conversion, and dissipation of FRP beams without stirrups under different impact velocity, longitudinal reinforcement, and shear span ratios were discussed through drop weight impact test. The results show that: 1. The failure process of FRP beams can be divided into four stages: impact response stage, damage initiation stage, crack development stage, and spring-back stage. 2. On the basis of the assumption that the displacement distribution of FRP beams is sinusoidal, inertia force was obtained by using the principle of virtual work. Through the analysis of the impact force-time history and the sum of inertia force and supporting force- time history, it is verified that the inertia force formula of RC beam is also suitable for FRP beam.https://tyutjournal.tyut.edu.cn/englishpaper/show-169.htmlfrp concrete beamimpact forcedrop weight impactimpact resistanceinertia force calculation
spellingShingle Zhihong MA
Gang MA
Zhihua WANG
Dynamic Response of Fiber Reinforced Polymer Bar Reinforced Concrete Beams under Low Velocity Impact
Taiyuan Ligong Daxue xuebao
frp concrete beam
impact force
drop weight impact
impact resistance
inertia force calculation
title Dynamic Response of Fiber Reinforced Polymer Bar Reinforced Concrete Beams under Low Velocity Impact
title_full Dynamic Response of Fiber Reinforced Polymer Bar Reinforced Concrete Beams under Low Velocity Impact
title_fullStr Dynamic Response of Fiber Reinforced Polymer Bar Reinforced Concrete Beams under Low Velocity Impact
title_full_unstemmed Dynamic Response of Fiber Reinforced Polymer Bar Reinforced Concrete Beams under Low Velocity Impact
title_short Dynamic Response of Fiber Reinforced Polymer Bar Reinforced Concrete Beams under Low Velocity Impact
title_sort dynamic response of fiber reinforced polymer bar reinforced concrete beams under low velocity impact
topic frp concrete beam
impact force
drop weight impact
impact resistance
inertia force calculation
url https://tyutjournal.tyut.edu.cn/englishpaper/show-169.html
work_keys_str_mv AT zhihongma dynamicresponseoffiberreinforcedpolymerbarreinforcedconcretebeamsunderlowvelocityimpact
AT gangma dynamicresponseoffiberreinforcedpolymerbarreinforcedconcretebeamsunderlowvelocityimpact
AT zhihuawang dynamicresponseoffiberreinforcedpolymerbarreinforcedconcretebeamsunderlowvelocityimpact