نتایج جستجو برای: پوسته gfrp

تعداد نتایج: 6609  

2005
S. V. Rocca A. Nanni

This paper aims at demonstrating the feasibility of Glass Fiber Reinforced Polymer (GFRP) systems for low-profile bypass roadways, in particular, sandwich panels comprised of GFRP facings and a Fiber Reinforced Foam (FRF) core. With the purpose of investigating the performance of the sandwich construction, an experimental program, including static and dynamic fatigue tests, was performed. The s...

ژورنال: :مهندسی سازه 2013
علیرضا مردوخ پور

چکیده در تحقیق حاضر مطالعات آزمایشگاهی همراه با مدلسازی رایانه ای توسط  برنامه المان محدود ansys برروی اتصال تیر – ستون بتن مسلح، تقویت شده با الیاف شیشه ای پلیمری gfrp تحت بارگذاری لرزه ای متناوب، انجام شده است. برای این منظور یک قطعه اتصال به عنوان قطعه کنترل و یک قطعه اتصال که توسط الیاف gfrp مسلح شده است، درآزمایشگاه ساخته شده و تحت بارگذاری معادل 70 درصد بارنهایی عضو و همزمان تحت بارگذاری...

در این مقاله تاثیر استفاده از میلگردهای کامپوزیت FRP بر ترک خوردگی تیر بتن آرمه مورد مطالعه قرار گرفته است. به دلیل خوردگی میلگردهای فولادی در شرایط خاص، استفاده از میلگردهای کامپوزیت FRP در سال‌های اخیر بسیار مورد توجه قرار گرفته است. به منظور بررسی رفتار ترک خوردگی، پانزده تیر بتن آرمه با میلگردهای فولادی و میلگردهای کامپوزیت شیشه (GFRP) با درصدهای مختلف آرماتور در نرم افزار ABAQUS مورد تحلیل...

Journal: :International Journal of Composite Materials 2012

2009
A. Leema Rose K. Suguna P. N. Ragunath

Problem statement: This study showed the results of an experimental investigation on the strengthening of corrosion damaged reinforced concrete beams with unidirectional cloth glass fiber reinforced polymer (UDCGFRP) laminates. Approach: All the beam specimens 150×250×3000 mm were cast and tested for the present investigation. One beam specimen was neither corroded nor strengthened to serve as ...

2014

Interlaminar shear strength (ILSS) of fiber reinforced polymer composite is an important property for most of the structural applications. Matrix modification is an effective method used to improve the interlaminar shear strength of composite. In this paper, EPON 862/w epoxy system was modified using Tetraethyl orthosilicate (TEOS) electrospun nanofibers (ENFs) which were produced using electro...

2018
Devon S Ellis Habib Tabatabai Azam Nabizadeh

The use of fiber reinforced polymer (FRP) bars in reinforced concrete members enhances corrosion resistance when compared to traditional steel reinforcing bars. Although there is ample research available on the behavior of FRP bars and concrete members reinforced with FRP bars under elevated temperatures (due to fire), there is little published information available on their post-fire residual ...

2014
H. Ahmad P. A. Smith

The present paper is concerned with modelling damage and fracture in notched woven fabric composites. Previous experimental work has shown that damage at a notch in a variety of GFRP and CFRP composites based on woven fabric reinforcement comprises matrix damage and fibre tow fracture along the plane of maximum stress. It is these experimental observations that inform the failure modelling deve...

Journal: :Composites Part C: Open Access 2022

The combined use of recycled concrete aggregate (RCA) and glass fiber reinforced polymer (GFRP) reinforcement in (RC) structures is deemed plausible to achieve sustainable construction. This paper aims examine the effect such a combination (RCA + GFRP reinforcement) on shear behavior RC beams. Six medium-scale beams (150 × 260 2200 mm) critical were tested under three-point loading until failur...

Journal: :Dynamics 2021

Offshore structures are exposed to risks of vessel collisions and impacts from dropped objects. Tubular members extensively used in offshore construction, thus, there is scope investigate their crashworthiness behaviour. Aluminium, glass fibre reinforced polymer (GFRP) hybrid aluminium/GFRP circular tube specimens were fabricated then tested under quasi-static dynamic axial loading conditions. ...

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