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Polypropylene fiber reinforced concrete improved by using silica fume and acrylic emulsion polymer

Nguyen Dept. of Rural Technology, College of Rural Development, Cantho University, Cantho, Viet Nam|
J.-Y. (13608855100) | J.-L. (57204589671); Shih | C.-T. (11339270600); Wun | T.-P. (7404725829); Chen Dept. of Chemical Engineering, Ming Chi University of Technology, New Taipei, Taiwan| H.-A. (56457131200); Chang Dept. of Civil and Construction Engineering, National Taiwan University of Science and Technology, NTUST-Taiwan Tech, Taipei, Taiwan|

Materiales de Construccion Số 345, năm 2022 (Tập 72, trang -)

ISSN: 4652746

ISSN: 4652746

DOI:

Tài liệu thuộc danh mục:

Article

English

Từ khóa: Abrasion; Blast furnaces; Chlorine compounds; Compressive strength; Durability; Emulsification; Erosion; Fiber reinforced materials; Fibers; Polypropylenes; Portland cement; Reinforced concrete; Silica fume; Slags; Water absorption; Wear resistance; 'current; Absorption performance; Acrylic emulsions; Beneficial effects; Cementitious binders; Emulsion polymers; Engineering properties; Enhanced properties; Fiber reinforcement (e); Polypropylene fiber reinforced concrete; Fly ash
Tóm tắt tiếng anh
The current study aims at exploring the beneficial effect of silica fume (SF) and acrylic emulsion polymer (PR) on the enhanced properties of polypropylene fiber reinforced concrete (FRC) with the supplementary cementitious binder comprised of the Portland cement, slag, silica fume and fly ash. The compressive strength and impact-abrasion resistance were used for the estimation of engineering properties while the water absorption performance, surface electricity resistance, and rapid chloride penetration resistance were used for estimation of durability. Experimental results showed that a sole addition of SF increased the compressive strengths but decreased the abrasion-impact resistances of modified FRCs, which was just opposite to the influence of a sole addition of PR. A sole addition of either the SF or PR could moderately improve the durability of modified FRCs, respectively. However, due to the beneficial effect of the complementary interaction between SF and the optimal amount of PR, the mechanical properties and durability of modified FRCs seemed to become significantly improved. �2022 CSIC.

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