INFLUENCE OF THE POLYPROPYLENE CONTENT ON MECHANICAL PROPERTIES OF RECYCLED BRICK CONCRETE

NIU Ditao; SHEN Yang; ZHANG Ting; DONG Kunlun

doi:10.13204/j.gyjzG19112904

Volume 51 Issue 7

Nov. 2021

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NIU Ditao, SHEN Yang, ZHANG Ting, DONG Kunlun. INFLUENCE OF THE POLYPROPYLENE CONTENT ON MECHANICAL PROPERTIES OF RECYCLED BRICK CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(7): 151-155. doi: 10.13204/j.gyjzG19112904

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NIU Ditao, SHEN Yang, ZHANG Ting, DONG Kunlun. INFLUENCE OF THE POLYPROPYLENE CONTENT ON MECHANICAL PROPERTIES OF RECYCLED BRICK CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(7): 151-155. doi: 10.13204/j.gyjzG19112904

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INFLUENCE OF THE POLYPROPYLENE CONTENT ON MECHANICAL PROPERTIES OF RECYCLED BRICK CONCRETE

doi: 10.13204/j.gyjzG19112904

1. State Key Laboratory of Green Building in Western China, Xi'an 710055, China;
2. School of Civil Engineering, Xi'an University of Architecture & Technology, Xi'an 710055, China

Received Date: 2019-11-29
Available Online: 2021-11-11

Abstract

Abstract

Eight kinds of recycled brick concrete(PFRB concrete)with polypropylene fibers were designed, in which the fiber content was different. The mechanical tests were conducted. The influence of the fiber content on the mechanical properties (cube compressive strength, axial compressive strength and splitting tensile strength) was analyzed based on the test data. Relational mathematical expressions between cubic compressive strength and axial compressive strength, and cubic compressive strength and splitting tensile strength were obtained. And the compressive stress-strain curve equation of PFRB concrete were constructed. The research result showed that with the increase of the fiber content, cubic compressive strength, axial compressive strength and splitting tensile strength of PFRB concrete first increased and then decreased, and the peak strength was in fiber content of 0.1%.
- PFRB concrete,
- fiber content,
- mechanical property,
- stress-strain curve

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References(13)

References

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