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RISS 인기검색어
- 검색키워드
- 저자 : Nusrat Hoque (검색결과 4 건)
- 무료
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Debonding failure analysis of prestressed FRP strengthened RC beams
Hoque, Nusrat,Jumaat, Mohd Z. Techno-Press 2018 Structural Engineering and Mechanics, An Int'l Jou Vol.66 No.4
Fiber Reinforced Polymer (FRP), which has a high strength to weight ratio, are now regularly used for strengthening of deficient reinforced concrete (RC) structures. While various researches have been conducted on FRP strengthening, an area that still requires attention is predicting the debonding failure load of prestressed FRP strengthened RC beams. Application of prestressing increases the capacity and reduces the premature failure of the beams largely, though not entirely. Few analytical methods are available to predict the failure loads under flexure failure. With this paucity, this research proposes a method for predicting debonding failure induced by intermediate crack (IC) for prestressed FRP-strengthened beams. The method consists of a numerical study on beams retrofitted with prestressed FRP in the tension side of the beam. The method applies modified Branson moment-curvature analysis together with the global energy balance approach in combination with fracture mechanics criteria to predict failure load for complicated IC-induced failure. The numerically simulated results were compared with published experimental data and the average of theoretical to experimental debonding failure load is found to be 0.93 with a standard deviation of 0.09.
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Debonding failure analysis of prestressed FRP strengthened RC beams
Nusrat Hoque,Mohd Z. Jumaat 국제구조공학회 2018 Structural Engineering and Mechanics, An Int'l Jou Vol.66 No.4
Fiber Reinforced Polymer (FRP), which has a high strength to weight ratio, are now regularly used for strengthening of deficient reinforced concrete (RC) structures. While various researches have been conducted on FRP strengthening, an area that still requires attention is predicting the debonding failure load of prestressed FRP strengthened RC beams. Application of prestressing increases the capacity and reduces the premature failure of the beams largely, though not entirely. Few analytical methods are available to predict the failure loads under flexure failure. With this paucity, this research proposes a method for predicting debonding failure induced by intermediate crack (IC) for prestressed FRP-strengthened beams. The method consists of a numerical study on beams retrofitted with prestressed FRP in the tension side of the beam. The method applies modified Branson moment-curvature analysis together with the global energy balance approach in combination with fracture mechanics criteria to predict failure load for complicated IC-induced failure. The numerically simulated results were compared with published experimental data and the average of theoretical to experimental debonding failure load is found to be 0.93 with a standard deviation of 0.09.
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Nexus between consumer satisfaction and purchase in-tention in mobile advertising
( Md. Shourav Hossain ),( Saiful Hoque ),( Israt Jahan Rupa ),( Nusrat Jahan ),( Md. Alamgir Hossain ) 고려대학교 정보문화연구소 2023 커뮤니케이션 科學 Vol.36 No.1
The purpose of this research is to understand the nexus between consumer satisfaction and purchase intention towards mobile advertising. Primary data was collected through an online structured questionnaire, and the statements in the questionnaire were drawn from existing literatures. SPSS and structural equation modeling were used to analyze the data that the questionnaire yielded. The results show the significant influence of monetary benefit, hedonic benefit, infor-mativeness, and social pressure on customer satisfaction. In addition, this research discovers the positive relationship between consumer satisfaction and purchase intention that broadens the opportunity to achieve sustainable economic benefit from mobile advertising. The results revealed that most of the respondents have a positive attitude towards mobile advertisement and provide a useful guideline for in-vestigating the effectiveness of mobile advertising. The study would substantially contribute to explorations of the country’s mobile advertising sector by understanding the nexus between consumer satisfaction and purchase intention. Specifically, this study expands on past studies by demonstrating how developing context interacts with a variety of value drivers (informativeness, hedonic benefit, monetary benefits, and social pressure) at once. Researchers need to focus more on interaction effects of these on customer satisfaction and purchase intention, which have only recently received attention. Advertisers may focus on these aspects in their advertising to increase customer satisfaction and the likelihood that they will make a good purchase decision. By comprehending the underlying motives, marketers can create more relevant and interesting mobile ad experiences that connect with customers. Managers should put their efforts into making mobile advertising as effective as possible by offering relevant information and extremely pertinent advertisements.
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