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A Study on High Performance Fine-Grained Concrete Containing Rice Husk Ash

  • Rice husk ash (RHA) is classified as a highly reactive pozzolan. It has a very high silica content similar to that of silica fume (SF). Using less-expensive and locally available RHA as a mineral admixture in concrete brings ample benefits to the costs, the technical properties of concrete as well as to the environment. An experimental study of the effect of RHA blending on workability, strengthRice husk ash (RHA) is classified as a highly reactive pozzolan. It has a very high silica content similar to that of silica fume (SF). Using less-expensive and locally available RHA as a mineral admixture in concrete brings ample benefits to the costs, the technical properties of concrete as well as to the environment. An experimental study of the effect of RHA blending on workability, strength and durability of high performance fine-grained concrete (HPFGC) is presented. The results show that the addition of RHA to HPFGC improved significantly compressive strength, splitting tensile strength and chloride penetration resistance. Interestingly, the ratio of compressive strength to splitting tensile strength of HPFGC was lower than that of ordinary concrete, especially for the concrete made with 20 % RHA. Compressive strength and splitting tensile strength of HPFGC containing RHA was similar and slightly higher, respectively, than for HPFGC containing SF. Chloride penetration resistance of HPFGC containing 10–15 % RHA was comparable with that of HPFGC containing 10 % SF.show moreshow less

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Metadaten
Document Type:Article
Author: Ha Thanh Le, Sang Thanh Nguyen, Horst-Michael LudwigORCiDGND
DOI (Cite-Link):https://doi.org/10.1007/s40069-014-0078-zCite-Link
URN (Cite-Link):https://nbn-resolving.org/urn:nbn:de:gbv:wim2-20170425-31477Cite-Link
Parent Title (English):International Journal of Concrete Structures and Materials
Language:English
Date of Publication (online):2017/04/25
Year of first Publication:2014
Release Date:2017/04/25
Publishing Institution:Bauhaus-Universität Weimar
Institutes:Fakultät Bauingenieurwesen / F. A. Finger-Institut für Baustoffkunde
First Page:301
Last Page:307
Tag:high performance fine-grained concrete, rice husk ash, workability, compressive strength, splitting tensile strength, chloride penetration resistance
GND Keyword:Hochfester Beton; Verarbeitungseigenschaft; Druckfestigkeit
Dewey Decimal Classification:600 Technik, Medizin, angewandte Wissenschaften / 620 Ingenieurwissenschaften
BKL-Classification:56 Bauwesen / 56.45 Baustoffkunde
Licence (German):License Logo Creative Commons 4.0 - Namensnennung (CC BY 4.0)