نتایج جستجو برای: پوشش frp

تعداد نتایج: 27724  

Hooshang Dabbagh, Muhammad Abbassi

Fiber reinforced Polymers (FRP) have widely used for the purposes of enhances strength and ductility of concrete columns. Proper design of such hybrid columns, however, requires a better recognition of the behavior of concrete columns confined with FRP. In this paper, the influence of FRP thickness, concrete compressive strength, and column size on the performance of eccentrically loaded reacti...

2015
Daniel WINOGRAD-CORT Paul HUDAK Daniel Winograd-Cort

Functional reactive programming facilitates programming with time-varying data that can be perceived as streams flowing through time. Thus, one can think of FRP as an inversion of flow control from the structure of the program to the structure of the data itself. In a typical (say, imperative) program, the structure of the program governs how the program will behave over time; as time moves for...

Journal: :Journal of rehabilitation research and development 2000
J Hahl M Taya

Saito et al. (Modern Plastics 1997;74:175-7) have developed a low-cost transtibial prosthesis made of fiber-reinforced plastic (FRP). The prosthesis is comprised of an aluminum pylon, a cosmetic cover, and a constant cross-section composite foot into which aluminum supports are screwed to increase load-bearing capacity. Replacing these supports with a single integrated FRP stiffener significant...

2010
Andreas Voellmy Paul Hudak

We describe a language-centric approach to solving the complex, low-level, and error-prone problem of network control. Specifically, we have designed a domain-specific language called Nettle, embedded in Haskell, that allows programming OpenFlow networks in an elegant, declarative style. Nettle is based on the principles of functional reactive programming (FRP), and as such has both continuous ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده مهندسی عمران 1390

یکی از اجزای اصلی و نیز عامل اصلی انتقال بار در هر سازه ای، ستون می باشد. بروز آسیب در ستون ها به خصوص تحت بارهای لرزه ای، پایداری کل سازه را با مخاطره مواجه می سازد. برای اصلاح عملکرد ستون ها روش های مختلفی مطرح گردیده است؛ از آن جمله می توان به مقاوم سازی ستون ها با ژاکت بتنی، صفحات فولادی، ورق frp (مواد پلیمری مسلح به الیاف)، ژاکت بتنی hpfrcc (ترکیبات سیمانی مسلح به الیاف دارای عملکرد بالا) ...

2013
Naruenat Chairungsee Frederic Gay Philippe Thaler Poonpipope Kasemsap Sornprach Thanisawanyangkura Arak Chantuma Christophe Jourdan

Fine roots (FR) play a major role in the water and nutrient uptake of plants and contribute significantly to the carbon and nutrient cycles of ecosystems through their annual production and turnover. FR growth dynamics were studied to understand the endogenous and exogenous factors driving these processes in a 14-year-old plantation of rubber trees located in eastern Thailand. FR dynamics were ...

2016
P. JEYANTHI S. BALASUBRAMANIAM J. CHARLES JEEVA

Socio-economic status is a major indicator of livelihood and the two crucial factors determining livelihood are poverty and income inequality. The present study assessed the livelihood status of fishermen operating fibre re-inforced plastic (FRP) boats (motorised) of 9-10 m LOA. Socio-economic status, including poverty and income inequality of fishermen, comprising both owners (FRPO) and labour...

2005
V. Antonucci M. Giordano A. Prota Vincenza Antonucci

Synopsis: Advantages such as light weight, high mechanical properties and resistance to aggressive and chemical agents, non invasive installation, low tooling and machinery costs, possibility to repair the structure without interrupting its use have determined great expectation on Fiber Reinforced Polymer (FRP) composites for the strengthening of civil structures. However, their diffusion is of...

2014
Mohamed Kamruzzaman Mohd Zamin Jumaat N H Ramli Sulong A B M Saiful Islam

In recent decades, the application of fibre-reinforced polymer (FRP) composites for strengthening structural elements has become an efficient option to meet the increased cyclic loads or repair due to corrosion or fatigue cracking. Hence, the objective of this study is to explore the existing FRP reinforcing techniques to care for fatigue damaged structural steel elements. This study covers the...

ژورنال: :تحقیقات بتن 2015
حمید وارسته پور آمنه سلیمانی کیا

اتصال پلیمرهای مسلح شده به الیاف (frp) توسط چسب epoxy به عنوان یک تکنولوژی مقاوم سازی جدید و پیشرفته و اقتصادی در پاسخ به نیاز روز افزون برای تعمیر و تقویت سازه های بتن آرمه پدید آمده و در دهه گذشته گسترش یافته است. اگر چه اتصال صفحه frp توسط لایه چسب دارای مزایای بسیاری است، اما بیشتر حالت­های گسیختگی تیرهای تقویت شده با این روش، قبل از رسیدن به ظرفیت نهایی مورد انتظار و به­ صورت ترد رخ می دهد...

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