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مقاله Ultimate Behavior of Selfدرconsolidating Concrete Reinforced beams دارای 7 صفحه می باشد و دارای تنظیمات در microsoft word می باشد و آماده پرینت یا چاپ است

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بخشی از متن مقاله Ultimate Behavior of Selfدرconsolidating Concrete Reinforced beams :

سال انتشار: 1391
محل انتشار: نهمین کنگره بین المللی مهندسی عمران
تعداد صفحات: 7
چکیده:

Self-consolidating concrete, SCC, was first developed in 1988 to achieve durable concrete structures. Tests are reported in this study on the flexural behavior of reinforced concrete beams made with self-consolidating concrete. The beamswere made from concrete having average compressive strength of 30 MPa and ration:none">reinforcement ratio (/b) of 0.15, 0.30 and 1.37. A number of three Self-consolidating concrete beams were cast and incrementally loaded under bending. A test series with SCC beams under four-point bending was performed to examine the ultimate behavior of these types of structures. During the test, the strains on the concrete middle face and on the tension and compression bars as well as the deflection at different points of the span length were measured up to failure. The ultimate moment for the tested beams was found to be about (0-7)% and (0-8)% higher than that of the predicted ultimate moment based on ACI 318 (05) and CSA (04) codes, adopted for reinforced beams cast with normal concrete vibrated into place to ensure proper filling and consolidation equivalent, respectively.

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