EFFECT OF CELLULOSE FIBER ON PROPERTIES OF SELF-COMPACTING CONCRETE WITH HIGH-VOLUME MINERAL ADMIXTURES

机译：纤维素纤维对高掺量矿物质自填充混凝土性能的影响

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In this paper, effects of cellulose fiber in different dosages on fresh and mechanical properties of self-compacting concrete with high-volume mineral admixtures (HMSCC) were investigated. 35% Class F fly ash and 5% silica fume in substitution for cement by weight was added in concrete mixtures. Slump, slump flow and flow time of inverted slump cone were conducted to assess the fresh properties of HMSCC. Compressive strength, impact resistance and abrasion resistance of the concrete were determined for the hardened properties in accordance with ASTM standards. The results indicate that cellulose fiber improves fresh properties of HMSCC in appropriate dosage, and improves impact resistance of HMSCC gradually with the increase of cellulose fiber dosage, but plays little contribution to compressive strength. It also improves abrasion resistance of HMSCC through improving its surface mechanical properties.

机译：本文研究了不同用量的纤维素纤维对高掺量矿物掺合料（HMSCC）自密实混凝土的新鲜和力学性能的影响。在混凝土混合物中加入35％的F级粉煤灰和5％的水泥粉代替水泥。进行坍落度，坍落度流量和倒塌坍落度锥的流动时间以评估HMSCC的新鲜特性。根据ASTM标准确定混凝土的抗压强度，抗冲击性和耐磨性的硬化性能。结果表明，随着纤维素纤维用量的增加，纤维素纤维改善了HMSCC的新鲜性能，并逐渐提高了HMSCC的抗冲击性，但对压缩强度的影响很小。它还通过改善HMSCC的表面机械性能来提高其耐磨性。

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《第二届自密实混凝土设计、性能及应用技术国际研讨会(2nd International Symposium on Design,Performance and Use of Self-Consolidating Concrete SCC'2009-China)》|2009年|495-505|共11页
会议地点 Beijing(CN)
作者
Zhengwu Jiang; Nemkumar Banthia; Sarah Delbar;
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作者单位

Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Tongji University, Shanghai, China 200092;

Department of Civil Engineering, University of British Columbia, 2024-6250 Applied Science Lane, Vancouver, BC, Canada V6T 1Z4;

Department of Civil Engineering, Ecole des Mines de Douai, 941 rue Charles Bourseul, 59508 Douai, France;

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原文格式 PDF
正文语种 eng
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关键词
cellulose fiber; self-compacting eoncrete; impact; high volume; mineral admixture;

机译：纤维素纤维;自密实混凝土;冲击;高体积;矿物掺合料;

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3. Environment sustainable construction materials for garden-fresh and mechanical properties of high strength self-compacting concrete mixes with diverse mineral admixtures and water binder ratios [J] . R. Lavanya, P. Murthi, V. Karthikeyan International Journal of Environment and Sustainable Development . 2018,第4期

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4. EFFECT OF CELLULOSE FIBER ON PROPERTIES OF SELF-COMPACTING CONCRETE WITH HIGH-VOLUME MINERAL ADMIXTURES [C] . International symposium on design,performance and use of self-consolidating concrete . 2009

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5. The compatibility of admixtures in a self-levelling and self-compacting fly ash concrete overlay for composite wood floor system. [D] . Chen, Mien Sin. 2001

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6. Effect of Mineral Aggregates and Chemical Admixtures as Internal Curing Agents on the Mechanical Properties and Durability of High-Performance Concrete [O] . Francisco Javier Vázquez-Rodríguez, Nora Elizondo-Villareal, Luz Hypatia Verástegui, 2020

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EFFECT OF CELLULOSE FIBER ON PROPERTIES OF SELF-COMPACTING CONCRETE WITH HIGH-VOLUME MINERAL ADMIXTURES

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