Activations and Properties of Cementitious Materials Made with Cement-Kiln Dust and Class F Fly Ash

In recent years, sustainable development has become a global issue and several industries (including concrete industry) have made every effort to reduce the high material cost, high energy depletion and CO2 emission in addition to soundly eliminate industrial waste residue. The purpose of this study is to investigate the possibility of production sustainable self-consolidating concrete (SSC) with green materials: Portland limestone cement (PLC), high volume class F fly ash (HVFA) and locally available cement kiln dust (CKD) depending on the limitations of fresh properties that is specified by ACI 273R-07 and EFNARC and to assess the effects of these green materials on the hardened properties. Moreover, microstructure of this concrete was also investigated by means of scanning electron microscopy (SEM). The results displayed that by replacing high levels of cement by type F fly ash and locally available CKD, it was conceivable to make eco-friendly SCC, satisfying the rheological demands for self-consolidating, with agreeable 28-day compressive strength.

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Resilient Modulus of Clay Subgrades Stabilized with Lime, Class C Fly Ash, and Cement Kiln Dust for Pavement Design

Transportation Research Record Journal of the Transportation Research Board ◽

10.3141/2186-11 ◽

2010 ◽

Vol 2186 (1) ◽

pp. 101-110 ◽

Cited By ~ 21

Author(s):

Pranshoo Solanki ◽

Musharraf M. Zaman ◽

Jeff Dean

Keyword(s):

Fly Ash ◽

Resilient Modulus ◽

Pavement Design ◽

Cement Kiln Dust ◽

Cement Kiln ◽

Class C ◽

Kiln Dust

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98/02949 Zeolite synthesis from fly ash and cement kiln dust

Fuel and Energy Abstracts ◽

10.1016/s0140-6701(98)96474-8 ◽

1998 ◽

Vol 39 (4) ◽

pp. 272

Keyword(s):

Fly Ash ◽

Cement Kiln Dust ◽

Cement Kiln ◽

Zeolite Synthesis ◽

Kiln Dust

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Self Compacting Concrete – an Analysis of Properties using Fly Ash

International Journal of Engineering & Technology ◽

10.14419/ijet.v7i2.24.12018 ◽

2018 ◽

Vol 7 (2.24) ◽

pp. 135

Author(s):

Dasarathy A K ◽

M Tamil Selvi ◽

D Leela ◽

S Kumar

Keyword(s):

Fly Ash ◽

Low Cost ◽

Cementitious Materials ◽

The Self ◽

Experimental Program ◽

Reinforcing Bars ◽

Self Compacting Concrete ◽

Construction Market ◽

Class F Fly Ash ◽

Class F

Self compacting concrete has ability involves not only high deformability of paste or mortar, but also resistance to segregation between coarse aggregate and mortar when the concrete flows through the confined zone of reinforcing bars. Several researchers have employed the different methods to achieve self- compactability. In recent years, self-compacting concrete (SCC) has gained wide use for placement in congested reinforced concrete structures with difficult casting conditions. For such applications, the fresh concrete must possess high fluidity and good cohesiveness. The initial results of an experimental program aimed at producing and evaluating SCC made with high volumes of fly ash are presented and discussed. Nine SCC mixtures and one control concrete were investigated in this study. The content of the cementitious materials was maintained constant (400 kg/m3), while the water / cementitious material ratios ranged from 0.35 to 0.45. The self-compacting mixtures had a cement replacement of 40,50 and 60% by Class F fly ash. Tests were carried out on all mechanical properties of hardened concretes such as compressive strength were also determined. The self-compacting concretes developed a 28- day compressive strengths ranging from 26 to 48 MPa. The results show that an economical self-compacting concrete could be successfully developed by incorporating high-volumes of Class F fly ash. The present project investigates the making of self-compacting concrete more affordable for the construction market by replacing high volumes of Portland cement by fly ash. The study focuses on comparison of fresh properties of SCC containing varying amounts of fly ash with that containing commercially available admixture. Test result substantiate the feasibility to develop low cost SCC using Class F fly ash.

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