Interface Property and Apparent Strength of High-Strength Hydrophilic Fiber in Cement Matrix

Kanda, Tetsushi; Li, Victor C.

doi:10.1061/(asce)0899-1561(1998)10:1(5)

Cited by 325 publications

(130 citation statements)

References 20 publications

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“…The results of testing various length of PVA in the ECC in several sets, similar to the study of Kanda and Li [23], proved that the compressive strength of concrete is less influenced when changing the length of the fibres in the concrete mix. However, the range of these lengths of fibres is limited (between 6mm and 12mm).…”

Section: Discussionsupporting

confidence: 56%

A design for de-fragmentation of concrete materials to decline the vulnerability in the reconstruction of houses

Shahnoori

Voorbij

2009

WIT Transactions on the Built Environment

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In an integrated building system optimization of the sub-systems and the segments is a key issue. Improving the structural elements and materials for a reconstruction after an earthquake is even more important than a normal construction. Because earthquakes annually cause big economic and human impacts on world's society such as losses of energy (causing depletion of natural resources in a large scale), efforts, and lives. With building destruction in seismic areas, the collapse of construction materials and their weight is the main reason for fatalities and severe injuries. Houses as the major inhabited buildings are the main subject of the collapse or damages in earthquakes. Thus, to guarantee the sustainability by an integrated design and a qualitative building system, appropriately materialization of houses is highly important in seismic areas. As the context of this study is a seismic desert city, it concentrates on increasing the efficiency of the building system in such an area. The main goal is declining the vulnerability of the inhabitants of a house by appropriately materialisation and designing for de-fragmentation.

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Section: Discussionsupporting

confidence: 56%

A design for de-fragmentation of concrete materials to decline the vulnerability in the reconstruction of houses

Shahnoori

Voorbij

2009

WIT Transactions on the Built Environment

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“…Matrix micro-spalling at the fiber exit is commonly observed in random fiber reinforced brittle matrix composites, including PVA-ECC (Kanda and Li 1998). When the pullout force at the fiber exit is misaligned with the orientation of the embedded segment, stress concentration at the bearing point causes local failure of supporting matrix.…”

Section: Matrix Micro-spalling Considerationmentioning

confidence: 99%

“…Macroscopically, these fibers exhibit strength reduction when loaded at an inclined angle to the crack plane. For PVA fiber, Kanda and Li (1998) introduced a strength reduction coefficient f ' to account for this effect in the following form,…”

Section: Modeling Of Single Fiber Behaviormentioning

confidence: 99%

“…Among them, all fiber parameters E f , L f , and d f are measurable with good accuracy. The apparent fiber strength σ fu and fiber strength reduction coefficient f' were measured by single fiber in-situ strength test (Kanda and Li 1998) and interface properties τ 0 , G d , and β were measured by single fiber pullout test (Redon et al 2001). To measure the interfacial bond properties of ECC with different fiber volume content, M45 mortar matrix with the presence of 0.1, 0.5, and 2 vol.% PVA fibers were cast into molds and single PVA fiber was surrounded by the ECC matrix.…”

Section: Determination Of Micromechanics Parametersmentioning

confidence: 99%

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Fiber-Bridging Constitutive Law of Engineered Cementitious Composites

Yang

Wang

Yao

et al. 2008

ACT

Self Cite

389

133

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This paper is on modeling and measuring fiber-bridging constitutive law of Engineered Cementitious Composites (ECC), a high performance fiber-reinforced cementitious composite featuring high tensile ductility. Fiber-bridging constitutive law plays an important role in the multiple cracking behavior of ECC. Therefore, proper control of fiberbridging behavior through tailoring material microstructure is the key to successfully designing tensile strain-hardening ECC. In this paper, an analytical fiber-bridging model of ECC which connects material constituent parameters and composite properties, built on a previous simplified version, was proposed. To improve accuracy of crack opening prediction, new mechanisms of fiber/matrix interactions, specifically fiber two-way debonding and pull-out, matrix microspalling, and Cook-Gordon effects were included. This revised model was compared with experimental measurement of fiber-bridging behavior and the validity of the model was confirmed. It is expected that this model will greatly improve ECC design technology in terms of steady-state crack width control, key for structural long-term durability, and in terms of composite tensile properties important for structural safety at ultimate limit state.

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“…These findings should be useful in interpreting early age the fiber-reinforced cementitious composite properties. [19] presented the characterization of fiber/matrix interfacial properties and the apparent strength of high-strength hydrophilic fibers. Single fiber pull-out bond tests and single fiber pull-torupture strength tests were conducted by employing PVA fibers.…”

Section: Survey On Interface Characterization Of Eccmentioning

confidence: 99%

Interface Characterization of Different Types of Fibers in Engineered Cementitious Composites (ECC)

Makwana¹,

Rathod²

2017

IOSR JMCE

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Interface Property and Apparent Strength of High-Strength Hydrophilic Fiber in Cement Matrix

Cited by 325 publications

References 20 publications

A design for de-fragmentation of concrete materials to decline the vulnerability in the reconstruction of houses

A design for de-fragmentation of concrete materials to decline the vulnerability in the reconstruction of houses

Fiber-Bridging Constitutive Law of Engineered Cementitious Composites

Interface Characterization of Different Types of Fibers in Engineered Cementitious Composites (ECC)

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