Strength, permeability, and durability of hybrid fiber-reinforced concrete containing styrene butadiene latex

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[1] Kim, Dong-Hyun
[2] Park, Chan-Gi
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Park, C.-G. (cgpark@kongju.ac.kr) | 1600年 / John Wiley and Sons Inc卷 / 129期
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Hybrid fiber-reinforced concrete (HFRC) is examined in this study. Two types of synthetic fibers were considered: polyvinyl alcohol fiber/macro synthetic fiber (PVA/MSF) and polypropylene fiber (PP)/MSF. Styrene butadiene latex was added at 0%; 5%; 10%; and 15% of the cement weight. Tests carried out for the study included compressive strength; flexural strength; chloride ion penetration; abrasion resistance; and impact resistance. The results demonstrated that higher latex contents improved the dispersibility of the fibers because of the increased workability of the HFRC and the improved adhesion. Formation of a latex film improved the strength; permeability resistance; and impact resistance. PVA/MSF HFRC had better properties than PP/MSF HFRC. This was attributed to stronger hydrogen bonding by the hydrophilic PVA fibers; which led to superior resistance to micro-cracking and crack propagation. Copyright © 2012 Wiley Periodicals; Inc;
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