LONG TERM BIEHAVIOR OF GFRP REINFORCED CONCRETE BEAMS IN HARSH ENVIRONMENT | ||
| ERJ. Engineering Research Journal | ||
| Article 10, Volume 30, Issue 1, January 2007, Pages 89-97 PDF (527.34 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/erjm.2007.69902 | ||
| Author | ||
| Mohamed A. Safaan | ||
| Civil Engineering Depavtment, Faculty of Engineering Menoufiia University, Egypt | ||
| Abstract | ||
| The long-term and durability perfomlance of concrete beams reinforced with conventional steel and GFRP bar reinforcement in a harsh environment and under sustained load was investigated. Three simply supported beams (10Ox250x2700 mm) were reinforced using in-house manufactured GFW bars and stirrups, while three beams (100x200x2700 mm) were reinforced with high tensile deformed steel bars. One beam in each category was tested under fom point loading to determine the initial flexural capacity. The second beam was tested under a uniformly distributed sustained load in the laboratory atmosphere, while the third was fnrther subjected to wetfdry cycles and saIt solutions. The results of monitoring the tensile and compressive strains, mid-span deflection and cracking over a period of one year are presented. Signs of steel corrosion in the form of longitudinal cracks and increased tensile strains have been observed after 31 weeks in the prescribed harsh environment, while no damage was observcd in the similar GFRP reinforced beam. | ||
| Keywords | ||
| GFRP bars; RC beams; long-term; Durability; crack width; deflection | ||
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