Effect of Fiber Dispersion on the Multiple Cracking of Cement

Apr 4, 2001 — High performance, fiber-reinforced composites are charac- terized by higher elastic limit, strain hardening, and toughness associated with ...

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A more sustainable material to reinforce concrete structures

Nov 13, 2019 · The next generation of ultra high-performance fiber-reinforced concrete (UHPFRC) has just been created at EPFL. The new material will be used to …

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Recommendations for Design and Construction of High

Concrete Engineering Series 82 Recommendations for Design and Construction of High Performance Fiber Reinforced Cement Composites with Multiple Fine Cracks (HPFRCC) March, 2008 Japan Society of Civil Engineers . Preface When subjected to an increasing tensile load, High Performance Fiber Reinforced Cement

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Influence of Polypropylene Fiber on Strength of Concrete

to the fact that the polypropylene fiber will effectively hold the micro cracks in concrete mass. The percentage increase in the compressive strength for the cubes with polypropylene fiber 1%, 1.5% and 2% compared to the cubes without polypropylene fiber are 4%, 5.6% and 12 % respectively.

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Use of High-volume Fly Ash in Polypropylene Fiber-Reinforced

The American Concrete Institute. Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design ...

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High-performance fiber-reinforced concrete: a review

In recent years, an emerging technology termed, "High-Performance Fiber-Reinforced Concrete (HPFRC)" has become popular in the construction industry. The materials used in HPFRC depend on the desired characteristics and the availability of suitable local economic alternative materials. Concrete is a common building material, generally weak in tension, often ridden with cracks due to ...

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Mechanical properties and characteristic analysis of the new

The dispersion, corrosion resistance, and toughness of the polypropylene macro fiber in concrete were also analyzed via a fiber concrete test. The polypropylene macro fiber has a high tensile strength, large elastic modulus, and good ductility.

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The effect of steel and polypropylene fibers on the chloride

Apr 15, 2018 — High-strength fiber-reinforced concrete. Fibers. Resonant frequency ... with higher amounts of PP fibers due to the poor dispersion of fibers [55].

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Flexural Strength Evaluation of Reinforced Concrete

Since ultra high performance concrete has much higher compressive strength than normal strength concrete and usually reinforced with steel fiber, shape of stress distribution in compression side will be changed and tensile stress distribution in tension side should be considered, in order to calculate the flexural strength of section.

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Ultra High-Performance Fiber-Reinforced Concrete (UHPFRC): a

Ultra High Performance Concrete (UHPC) is a cementitious composite characterized ... It is worth mentioning that polypropylene fibers (PP) can be incorporated in the ... A high flowability (high slump) is required to guarantee fibers dispersion ...

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