Experimental Study on Carbonation and Steel Corrosion of High Volume Fly Ash Concrete

Xu, Guoqiang; Liu, Juanhong; Lan, Qiao; Sun, Yong-mei

doi:10.1109/appeec.2010.5448649

Cited by 6 publications

(2 citation statements)

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“…Most standards limit the carbon content of fly ash to 5% while few admit values as high as 7% [5]. Some researchers [26] have indicated that in HPC fly ash must comply with ASTM C618 or AASHTO M295 that limit loss on ignition to 6% and 5%.…”

Section: Fly Ashmentioning

confidence: 99%

“…Several studies have reported that the use of HVFA in concrete provides higher durable properties than ordinary concretes in low water-cement ratio [1]- [4]. Although high volume fly ash concretes show promising performance compared to concrete, yet its low early age strength development is still a concern for wide structural application [5] [6].…”

Section: Introductionmentioning

confidence: 99%

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Comparison of High Performance Fly Ash Concrete Using Nano Silica Fume on Different Mixes

Sankaranarayannan¹,

Jagadesan²

2016

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This paper investigates the experimental results on the effect of nano silica fume on compressive strength development of concretes containing high volume fly ash (HVFA). The effect of various silica fumes contents such as 1%, 2% & 3% (wt. %) as partial replacement of cement on the compressive strength of cements is evaluated in the first part. The nano silica fume content which exhibits the highest compressive strength above is used in high volume fly ash concretes containing 30% and 50% class F fly ash. The results show that among three different silica fumes contents, the addition of 1% increases the compressive strength of concretes. The addition of 1% silica fume also increases the early age and 28 days compressive strengths of HVFA concretes.

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Section: Fly Ashmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%