نتایج جستجو برای: ورقههای کامپوزیتی frp
تعداد نتایج: 5815 فیلتر نتایج به سال:
Strengthening of reinforced concrete structures using FRP has emerged as a potential solution to the problems associated with civil infrastructure. Many researchers have reported significant increases in strength and stiffness of concrete structures strengthened with FRP. Nevertheless, possible brittle failures of the strengthened system due to delamination of the FRP strips and/or sheets could...
Fibre reinforced polymer (FRP) is one of the best retrofitting materials for strengthening due to a number of advantages, such as excellent strength to self-weight ratio, large fatigue resistance capacity, etc. Presently, many different types of FRP models are used in analysis, thereby creating erroneous analytical results. Reinforced concrete (RC) beams with carbon and glass fibrereinforced po...
Ferritin synthesis is controlled at the translational level in response to cellular iron status. A component of this regulatory system is the ferritin repressor protein (FRP) which binds to the iron-responsive element (IRE) located at the 5' end of all known ferritin mRNAs, thus inhibiting its translation. Antibodies against purified FRP were raised in mouse and used to isolate an FRP cDNA from...
Vibrio harveyi NADPH:FMN oxidoreductase P (FRP(Vh)) is a homodimeric enzyme having a bound FMN per enzyme monomer. The bound FMN functions as a cofactor of FRP(Vh) in transferring reducing equivalents from NADPH to a flavin substrate in the absence of V. harveyi luciferase but as a substrate for FRP(Vh) in the luciferase-coupled bioluminescent reaction. As part of an integral plan to elucidate ...
Fiber Reinforced Polymer (FRP) bridge systems are gaining wide acceptance among bridge engineers. At the same time, FRP bridge systems are relatively expensive when compared to traditional reinforced concrete bridge systems. In this study, the concept of the hybrid FRP-concrete structural systems is applied to a bridge superstructure. The hybrid FRP-concrete superstructure system is intended to...
ارزیابی عملکرد تیر کامپوزیتی با مقطع Hat-Shape و دال مسلح بتنی به روش اجزای محدود و آنالیز پارامترها
اکثر تیرهای مورد استفاده در پلها از نوع بتن مسلح بوده که وزن زیادی داشته، مقاومتشان در قبال خوردگی تا حدودی پائین بوده و امکان اجرای آنها به صورت پیشساخته وجود ندارد. برای از بین بردن ضعف تیرهای بتن مسلح راهحلهای مختلفی ارائه شده که یکی از آنها استفاده از سیستم ترکیبی متشکل از مصالح متداول نظیر بتن و فولاد به همراه صفحات FRP میباشد که تحت عنوان تیرهای کامپوزیتی نیز شناخته میشود. تحقی...
Vibrio harveyi luciferase and flavin reductase FRP are, together, a two-component monooxygenase couple. The reduced flavin mononucleotide (FMNH2) generated by FRP must be supplied, through either free diffusion or direct transfer, to luciferase as a substrate. In contrast, single-component bifunctional monooxygenases each contains a bound flavin cofactor and does not require any flavin addition...
In this paper, we demonstrate how Functional Reactive Programming (FRP), a framework for the description of interactive systems, can be extended to encompass parallel systems. FRP is based on Haskell, a purely functional programming language, and incorporates the concepts of time variation and reactivity. Parallel FRP serves as a declarative system model that may be transformed into a parallel ...
The behavior of concrete-filled fiber tubes (CFFT) polymers under axial compressive loading was investigated. Unlike the traditional fiber reinforced polymers (FRP) such as carbon, glass, aramid, etc., the FRP tubes in this study were designed using large rupture strains FRP which are made of recycled materials such as plastic bottles; hence, large rupture strain (LRS) FRP composites are enviro...
The concept of an integrated strengthening and damping retrofit system was proposed to design reinforced concrete (RC) columns for their optimal performance under multi-level earthquake hazards. As illustrated in Figure 1, the system consisted of fiber reinforced polymer (FRP) sheets wrapping around a column and viscoelastic (VE) layers on the FRP sheets. The motion of the outer surface of the ...
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