Study on Mechanical Properties and Carbon Emission Analysis of Polypropylene Fiber-Reinforced Brick Aggregate Concrete
Author Information
Author(s): Li Fei, Jin Shenghao, Cheng Peifeng, Wang Zehui, Yang Zehao
Primary Institution: Changda Construction Technology Co., Ltd.
Hypothesis
The study investigates the mechanical properties of recycled brick aggregate concrete reinforced with polypropylene fiber and its carbon emissions.
Conclusion
The study concludes that the optimal replacement rate of recycled brick aggregate is 50% for maintaining mechanical properties while considering carbon emissions.
Supporting Evidence
- The mechanical properties of recycled concrete enhanced by polypropylene fiber are critical at an addition rate of 50%.
- PPF effectively alleviates the problem of strength reductions caused by regenerated aggregate substitution.
- The strength conversion model established has high accuracy and strong applicability.
Takeaway
This study shows that using recycled bricks in concrete can be strong and good for the environment, especially when mixed with a little bit of special fiber.
Methodology
The study involved cube compression tests, axial compression tests, and four-point bending tests on 15 groups of concrete specimens with varying amounts of recycled brick aggregate and polypropylene fiber.
Limitations
The environmental benefits of using recycled aggregate were limited, and the study focused on specific proportions of materials.
Digital Object Identifier (DOI)
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