Behavior of Shear Friction Push-off Specimens Made Using Normal and Recycled Aggregates

سال انتشار: 1391
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,758

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شناسه ملی سند علمی:

SASTECH06_024

تاریخ نمایه سازی: 28 مرداد 1391

چکیده مقاله:

This paper presents the experimental results of a study whose objective was to study the shear-friction behavior of normal-aggregate and recycled-aggregate reinforced concrete. Four specimens were cast and tested in a push-off set up. Two specimens were cast using natural coarse aggregate concrete (NAC) and two were made using recycled coarse aggregate concrete (RAC). The two NAC specimens were similar to the RAC specimens except for the type concrete. The specimens of the same concrete contained two different amounts of clamping reinforcement. The results showed that the general behavior of the RAC specimens was similar to that of the RAC specimens. It was also observed that the ultimate strength was reached soon after the yielding of the clamping reinforcement, and that the specimens resisted significant post-peak reserve strength. In all the cases, the ACI shear-friction model provided conservative estimates of the shear strength.

نویسندگان

K.N Rahal

Civil Engineering Department, Kuwait University, Kuwait

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