نتایج جستجو برای: fiber reinforced polymers
تعداد نتایج: 230147 فیلتر نتایج به سال:
Magnesium phosphate cement (MPC) has been proven to be a very good repair material for deteriorated concrete structures. It has excellent adhesion performance, leading to high bonding strength with old concrete substrates. This paper presents an experimental study into the properties of MPC binder as the matrix of carbon fiber sheets to form fiber-reinforced inorganic polymer (FRIP) composites....
Fiber reinforcement is widely used in construction engineering to improve the mechanical properties of soil because it increases the soil's strength and improves the soil's mechanical properties. However, the mechanical properties of fiber-reinforced soils remain controversial. The present study investigated the mechanical properties of silty clay reinforced with discrete, randomly distributed ...
The aim of this investigation was to measure the flexural and compressive strengths and the corresponding moduli of cylindrical composite specimens reinforced with woven glass fiber. Test specimens were made by light-curing urethane dimethacrylate oligomer with woven glass fiber of 0.18-mm standard thickness. Tests were conducted using four reinforcement methods and two specimen diameters. Flex...
For reducing the structural damage against blast loading, fiber reinforced polymers sheet (CFRP, GFRP) can be used for retrofitting the RC slabs. In this study specimens of reinforced concrete slabs with or without retrofitting are modeled numerically. The results show that the using of high resistant, elastic material such as FRP sheets, are effective in reducing the deformation of the slabs, ...
PURPOSE The aim of this study was to investigate the effect of reinforcing materials on the fracture resistances of glass fiber mesh- and Cr-Co metal mesh-reinforced maxillary complete dentures under fatigue loading. MATERIALS AND METHODS Glass fiber mesh- and Cr-Co mesh-reinforced maxillary complete dentures were fabricated using silicone molds and acrylic resin. A control group was prepared...
This paper presents a procedure for the estimation of effective thermo-viscoelastic behavior in fiber-reinforced polymer filaments used high temperature additive manufacturing (HT-FRAM). The filament is an amorphous matrix (PEI) reinforced with elastic short glass fibers treated as single composite (SPC) holding assumption thermo-rheologically simple matrix. Effective obtained by implementing m...
In tribological applications, because of the corrosive problems of the metals in water applications, poly-ether-ether-ketone (PEEK) and its composites are preferred for rubbing materials. As it is known PEEK is a high performance semi-crystalline thermoplastic polymer and has received significant attention in recent years. This is due to its high mechanical strength and elastic modulus, high to...
Abstract Fiber Reinforced Polymer (FRP) usage to wrap reinforced concrete (RC) structures has become a popular technology. Most studies about RC columns wrapped with FRP in literature ignored the internal steel reinforcement. This paper aims develop model for axial compressive strength and strain confined The impact of FRP, Transverse, longitudinal reinforcement is studied. Two non-destructive ...
This article investigates the behaviour of strengthened concrete columns using jacketing ultra-high-performance fiber reinforced (UHPFRC) and carbon fiber-reinforced polymer (CFRP) under uniaxial loaded. The jacket was connected to column core shear connectors fixed as a strip on tension zone between cores jacketing. Seven samples square cross-section (120 x120) mm at midsection with overall le...
Abstract: A new reinforced SFRFLC (abbr. steel fiber reinforced full-lightweight concrete) superposed beam was proposed to sufficiently utilize the good peculiarities of ordinary concrete in compression and SFRFLC in tension, and reduce its self-weight. Experimental study was carried out on the flexural behaviors of reinforced SFRFLC superposed beams compared with reinforced concrete beams and ...
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