Evaluation and comparison of the effect of FRP carbon sheets on concrete strength

Publish Year: 1397
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

CAUE05_014

تاریخ نمایه سازی: 21 مرداد 1398

Abstract:

The maximum compressive strength of concrete is in the ratio of water to cement 0.4 and its lowest in water to cement ratio is 0.55. It should be noted that the compressive strength of concrete with a water-to-cement ratio of 0.55 is the lowest among other tested proportions, and even after reinforcing it with the FRP layer, the compression of these samples from the rest of the samples amplified by the ratio of water to Another cement is less. In fact, it can be deduced that as the ratio of water to cement increases, the compressive strength of concrete samples decreases. The FRP reinforced layer under load, with the enclosure property in the concrete sample, from one place to another, creates a high stress concentration, such that the type of failure ranges from soft to crush failure, and in the objective observation it even goes beyond crushing and exploding In water, cement is 0.45 up. In fact, although the resistance in terms of resistance is of particular benefit to concrete, the type of failure that is explosive and does not provide any opportunity for residents of concrete structures to exit during a crisis is one of the issues that should be addressed.

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Authors

Mahdi Ali

MSc, Civil Engineering department, Damavand Branch, Islamic Azad University, Damavand, Iran

Masoud Golshani

PhD, Civil Engineering department, Damavand Branch, Islamic Azad University, Damavand, Iran