نتایج جستجو برای: جاکت های cfrp و gfrp

تعداد نتایج: 779516  

Journal: :Indian Scientific Journal Of Research In Engineering And Management 2022

Shear failure of B-C joints is recognized as the primary cause collapse various moment-resisting frame buildings during recent earthquakes. When joint subjected to huge forces severe ground shaking and its behaviour has a very much influencing on structure, sometimes it may Leeds entire structure. To study energy dissipation with different types combinations FRP sheets used retrofit BC in this ...

Journal: :The Egyptian International Journal of Engineering Sciences and Technology (Print) 2021

In this research, three models of beam-column joint have analyzed under reversed cyclic loading by finite element method using ANSYS software. The first model was designed with a steel-reinforced (longitudinal reinforcement and stirrups), the second performed (GFRP) -reinforced in longitudinal only third (CFRP) only. behaviour loading, their load-storey drift envelope relationship energy dissip...

2010
E. Saarimaki T. Kauppinen

The prerequisite for more competent and cost effective transport has led to the evolution of innovative testing and evaluation procedures. Non-destructive testing and evaluation (NDT & E) techniques for assessing the integrity of composite structures are essential to both reduce manufacturing costs and out of service time of transport means due to maintenance. Smart methods for assessing the in...

2010
Antony Darby Tim Ibell Mark Evernden

Timber gridshells have become a very popular, efficient, sustainable and beautiful structural application of timber. However, given the slender laths involved in this form of construction, there is concern over the durability of timber for this purpose, and Glass FRP (GFRP) laths have been proposed as a possible substitution. This paper considers this possibility. It goes on to look at the poss...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده عمران 1392

امروزه استفاده از دال های تخت در ساختمان سازی، پارکینگ های طبقاتی و پل ها به دلیل اجرای ساده و هم چنین زیبایی معماری این سیستم؛ کاربرد فراوان پیدا کرده است. با این وجود یکی از مهم ترین مسائل در استفاده از این سیستم سازه ای، خرابی برش منگنه ای در آن می باشد. برش منگنه ای به دلیل این که یک شکست ترد و ناگهانی است، از اهمیت ویژه ای برخوردار بوده و به همین جهت در دهه های اخیر مطالعات زیادی در مورد م...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده مهندسی عمران 1393

در سالهای اخیر، رفتار اعضای بتنی مسلح به میلگردهای frp در کانون توجه پژوهش گران بوده است. وزن سبک، مقاومت در برابر خوردگی، خنثی بودن در میدان مغناطیسی و نارسانای الکتریکی از جمله ویژگی های میلگردهای frp است که در مکانهای خاص موجب اهمیت کاربرد آن به جای فولاد می شود. امروزه چند آیین نامه و راهنمای طراحی در مورد طراحی سازه های بتنی مسلح به میلگردهای frp موجود است. با این وجود کارهای تحقیقاتی محدو...

Journal: :Metals 2021

Glass/carbon fiber reinforced plastic (GFRP/CFRP) and hybrid components have attracted increasing attention in lightweight applications. However, residual stresses induced the manufacturing process of these can result warpage and, eventually, negatively affect mechanical performance composite structures. In present work, GFRP, CFRP, GFRP/steel CFRP/steel were manufactured through prepreg-press-...

2013
B. S. Ben K. A. Vikram

The article presents the methodology for finding material damping properties at higher frequency and at relatively lower amplitudes. The method employs combined Finite element and frequency response for finding the damping characteristics of composite materials, which are used in high frequency applications. The hybrid method has been implemented on carbon fiber reinforced polymer (CFRP) and gl...

2011
S. H. Rizkalla A. A. Mufti

A new generation of concrete highway bridges has recently been built in Canada using new design concepts and advanced materials for reinforcing and prestressing concrete . This paper describes briefly the design and construction of three bridges. The first smart concrete highway bridge (Centre Street, Beddington Bridge, Calgary, Alberta) is prestressed by carbon fiber reinforced plastic (CFRP) ...

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