نتایج جستجو برای: مقاطع frp

تعداد نتایج: 9734  

2002
Halvard Nystrom Antonio Nanni Danielle K. Stone

The overall objective of this research project was to conduct an extensive study of the behavior and use of glass fiber-reinforced polymer (GFRP) and carbon FRP (CFRP) materials for bridge construction. In particular, GFRP honeycomb sandwich panels were used as bridge panels and steel-supported bridge deck panels and CFRP and GFRP bars were used as internal reinforcement for precast concrete br...

2001
Antony Courtney

Functional Reactive Programming (FRP) is a declarative programming model for constructing interactive applications based on a continuous model of time. FRP programs are described in terms of behaviors (continuous, timevarying, reactive values), and events (conditions that occur at discrete points in time). This paper presents Frappé, an implementation of FRP in the Java progamming language. The...

2004
Francesco Micelli Antonio Nanni

Over the last two decades fiber-reinforced polymer (FRP) rods have emerged as one of the most promising and affordable solutions to the corrosion problems of steel reinforcement in structural concrete. The application of FRP rods in new or damaged structures requires the development of design equations that must take into account the mechanical properties and the durability properties of FRP pr...

ژورنال: مواد نوین 2012
سیروس جوادپور, هانیه بازیار

  بویژه در زمانی که احتمال نشتی ،(FRP) مدیریت طول عمر خطوط لوله گاز تعمیر شده با پلیمرهای تقویت شده با الیاف وجود دارد، یک پارامتر مهم فنی- اقتصادی در سامانه تعمیری است. در این پژوهش، آزمون انفجار انجام شده روی خطوط لوله مورد ارزیابی قرار گرفت. هدف، بررسی سامانه تعمیری خارجی بر یکپارچگی خطوط لوله با FRP انتقال گاز تعمیر شده با استفاده از شواهد آزمایشگاهی است. هیدروتست روی مقاطع یک متری از ل...

2014
Mohamed ElGawady

This report deals with the experimental investigation of using large deformable FRP, ± 45° oriented fibers, in concrete-filled fiber tubes (CFFT) under axial cyclic compressive loading. In addition, this report presents finite element modeling (FE) of CFFTs with large rupture strain FRP (LRS-FRP). The LRS-FRP is made with polyethylene naphthalate (PEN) and polyethylene terephthalate (PET) fiber...

2013
Guibing Li Aihui Zhang Yugang Guo

Debonding problems of externally bonded fiber reinforced polymer (FRP) sheets in flexurally FRP-strengthened reinforced concrete (RC) beams have been a concern and a research challenge since their application of this strengthening technique. Intermediate crack induced debonding is the most common failure mode which is that the debonding initiates at the critical flexural-shear or flexural crack...

2002
Zhanyong Wan Walid Taha Paul Hudak

Functional Reactive Programming (FRP) is a high-level declarative language for programming reactive systems. Previous work on FRP has demonstrated its utility in a wide range of application domains, including animation, graphical user interfaces, and robotics. FRP has an elegant continuous-time denotational semantics. However, it guarantees no bounds on execution time or space, thus making it u...

2010
Xiangtian Dai Gregory D. Hager John Peterson

Functional Reactive Programming (FRP) is a programming framework for constructing interactive applications in a declarative manner. FRP is now used in animation, vision, robotics and other control systems. Behaviors and Events – values and conditions which are functions of time – play a key role in FRP. In this paper we present an implementation of main FRP features in C++, an widely used imper...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1389

در بسیاری از سازه های بتن آرمه، به علت طراحی های غیر استاندارد، اثرات زلزله، تغییرات آیین نامه ها، ضعف اجرای بتن و یا تغییر کاربری، ستون های بسیاری را می توان یافت که نیاز به تقویت دارند. محصور شدگی راه حل مناسبی برای مشکلات فوق است. میزان تأثیر محصور شدگی بسته به عوامل مختلفی چون شکل مقطع ستون، میلگردهای داخل آن، ضخامت لایه frp، زاویه دورپیچی و چیدمان لایه ها می باشد. در ستون های چهار گوش به د...

2004
Danielle Stone Antonio Nanni Steve Watkins Halvard Nystrom

The overall objective of this research project was to conduct an extensive study of the behavior and use of glass fiber-reinforced polymer (GFRP) and carbon FRP (CFRP) materials for bridge construction. In particular, GFRP honeycomb sandwich panels were used as bridge panels and steel-supported bridge deck panels and CFRP and GFRP bars were used as internal reinforcement for precast concrete br...

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