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Euibae Lee, Jeongwon Ko, Jaekang Yoo, Sangjun Park and Jeongsoo Nam
In this study, the drying shrinkage cracking characteristics of concrete containing 30% fly ash were investigated for various dune sand (DS) replacements and unit water contents. In the results of compressive strength, the mixture with a DS-to-fine aggre...
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Van-Ngoc Pham, Erwin Oh and Dominic E. L. Ong
The study aims to develop a reliable model using gene-expression programming (GEP) technique for estimating the unconfined compressive strength (UCS) of soil stabilization by cement and fly ash. The model considered the effects of several parameters, inc...
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Matthew S. Sullivan, Mi G. Chorzepa and Stephan A. Durham
Ternary blends of cementitious materials are investigated. A cement replacement level of 45% is used for all ternary mixtures consisting of 15% metakaolin and 30% slag replacements. Three metakaolin and two blast furnace slag, referred to as ?slag? for s...
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Patrícia Rodrigues, José D. Silvestre, Inês Flores-Colen, Cristina A. Viegas, Hawreen H. Ahmed, Rawaz Kurda and Jorge de Brito
This study applies a methodology to evaluate the ecotoxicological potential of raw materials and cement-based construction materials. In this study, natural aggregates and Portland cement were replaced with non-conventional recycled concrete aggregates (...
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Chung-Hao Wu, Chung-Ho Huang, Yu-Cheng Kan and Tsong Yen
This study focuses on evaluating the effects of the fineness of fly ash on the strength, fracture toughness, and fracture resistance of concrete. Three fineness levels of fly ash that respectively pass sieves?no. 175, no. 250, and no. 32?were used. In ad...
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The construction industry consumes enormous quantities of concrete, which subsequently produces large amount of material waste during production and demolishing. As a result, the colossal quantity of concrete rubble is disposed in landfills. This paper, ...
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Antoni .,Hendra Surya Wibawa,Djwantoro Hardjito
Pág. 51 - 56
This study evaluates the effect of particle size distribution (PSD) of high calcium fly ash on high volume fly ash (HVFA) mortar characteristics. Four PSD variations of high calcium fly ash used were: unclassified fly ash and fly ash passing sieve No. 20...
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Hiwa Hamid, Mi G. Chorzepa, Matthew Sullivan, Stephan Durham and S. Sonny Kim
As the size of modern infrastructure increases, novelties related to mass concrete mixtures including supplementary cementitious materials (SCMs) become critical. The effects of binary and ternary cement replacement mixtures including metakaolin, silica ...
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Tayfun UYGUNOGLU
Pág. 125 - 134
In this study, influence of curing condition and fly ash content on properties of pre-fabricated concrete interlocking blocks (PCIBs) were investigated. The blocks were produced with crushed sand stone (fine) and crushed stone (coarse) as aggregate. Also...
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Folagbade Samuel Olufemi
Pág. 57 - 64
The resistance to water penetration of cement combination concretes containing Portland cement (PC), fly ash (FA), and metakaolin (MK) have been investigated at different water/cement (w/c) ratios, 28-day strengths, and depths of water penetration using ...
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