fly ash concrete in nigeria

fly ash concrete in nigeria

  • Geotechnical Properties of Some Coal Fly Ash Stabilized

    addition of selfcementing coal fly ash on the engineering properties of three lateritic soils from southwestern. Nigeria. The engineering properties investigated were those normally involved in highway embankments as aggregate in road bases, subbases, and pavements as aggregate and raw material in concrete.

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  • and Ordinary Portland cement (OPC) IOSRJEN

    Ordinary Portland cement (OPC) blended Concrete in Nigeria. Buari T.A, Ademola OPC is typically the most expensive constituent of concrete, the replacement of proportion of it with Groundnut Shell Ash (GSA) .. Sideris, K. K. and A. E. and Sarva, (2001), Resistance of Fly Ash and Natural Pozzolanas Blended. Cement 

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  • Compressive Strength of Volcanic Ash/Ordinary Portland Cement

    researches in Nigeria and abroad have shown that pozzolanas can produce concrete with close characteristics as normal concrete at ages beyond 28 days. Experimental studies have thereby been carried out on variety of waste ashes and materials with pozzolanic potentials such as fly ash, rice husk ash, sawdust ash 

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  • Medium Scale Concrete Block Production In Nigeria The Feasibility

    The raw materials required for production would be locally sourced and they include crushed stone, sand, water, cement and though other materials like dust, coal fly ash and other industrial wastes can be used. Concrete blocks popularly called 'blocks' are used for construction of buildings, and there are different sizes of 

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  • INFLUENCE OF GROUNDNUT SHELL ASH ANNALS of Faculty

    are fly ash, Silica Fume (SF), Ground Granulated Blast Furnace Slag (GGBFS) and Rice Husk Ash (RHA) Nigeria. Raheem et. al. (2013) studied the strength properties of groundnut shell ash (GSA) blended concrete. They recommended that superplasticicer (waterreducing admixture) should be introduced so that.

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  • Abah John Abah: Harnessing coal for development Daily Post

    Dec 9, 2015 In some western countries, particularly the United States, fly ash is the preferred material for concrete works because it is not only more durable, it is environmentally friendly. Unlike cement, it releases far less green house gas (GHG). Nigeria now is now the leading cement producer in Africa. Coal is an 

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  • Is Coal Fly Ash the Next "Green" Building Material?

    Apr 22, 2014 One of the primary uses for coal fly ash is in the cement industry because fly ash can easily combine with calcium hydroxide to form needed compounds in the cement process, providing a lowercost substitute for clay, sand, limestone and gravel. Fly ash produces a strong, durable concrete that is resistant 

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  • Green is the new fuel Lafarge Africa Plc

    Apr 7, 2017 From the 1990s till date, the LafargeHolcim group has already attained about 26 percent reduction in net specific CO2 emissions per ton of cement produced. Here in Nigeria, Lafarge is well aligned to this global target. Emission reduction makes environmental and economic sense. According to Folashade 

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  • Investigation on Palm Kernel Ash as Partial Cement ssrgjournals

    reinforced concrete. Some of the material that have been used to replace cement partially in concrete include fly ash, rice husk ash, palm oil fibre ash, palm kernel shell ash, Nigeria. Coarse aggregates of size 20mm were used in the preparation of the concrete. E. Water. Water is an important ingredient of concrete as it.

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  • compressive strength and static modulus of Penerbit UTHM

    Keywords: Blended cement Compressive strength Periwinkle shell ash Static modulus of elasticity available in most riverine communities of Niger delta region of Nigeria, in construction apart from improving certain properties of ages and high at later ages for fly ashblended cement concrete [24]. Therefore, the study 

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  • Geotechnical Properties of Some Coal Fly Ash Stabilized

    addition of selfcementing coal fly ash on the engineering properties of three lateritic soils from southwestern. Nigeria. The engineering properties investigated were those normally involved in highway embankments as aggregate in road bases, subbases, and pavements as aggregate and raw material in concrete.

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  • IJESRT

    reactive.[4] Fly ash from a coalfired power station is a pozzolana that results in lowpermeability concrete, which is more durable and able to resist the ingress in the campus of Federal polytechnic AdoEkiti (latitude 7.5o 85' 81''and longitude 5.3o 01' 06'') Ekiti State Nigeria. They were sundried and later burnt in a muffle 

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  • Strength Characteristics of Concrete Beams with Cement Partially

    3Graduate Student, Faculty of Engineering, University of Lagos, Nigeria. ABSTRACT. Various researchers in the recent past have investigated the pozzolanic properties of many waste materials like fly ash, electric arc furnace slag (a byproduct of steel production), ground broken bottles, ashes produced from various 

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  • ground nut husk ash (gha) as a partial replacement of cement in

    for 10% ash at 28 days curing period surpassing the minimum strength of 2.5 N/mm. 2 admixtures such as fly ash, rice husk ash and of cement [4]. Groundnut is an important cash crop produced in large quantity in Nigeria. The production of ground nut reached its peak in. Nigeria during the period of 1969 to 1971,.

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  • Green is the new fuel Lafarge Africa Plc

    Apr 7, 2017 From the 1990s till date, the LafargeHolcim group has already attained about 26 percent reduction in net specific CO2 emissions per ton of cement produced. Here in Nigeria, Lafarge is well aligned to this global target. Emission reduction makes environmental and economic sense. According to Folashade 

    >>Details
  • Effects of the Incorporation of Sawdust Waste Incineration Fly Ash in

    Effects of the Incorporation of Sawdust Waste Incineration Fly Ash in Cement Pastes and Mortars. A.U. Elinwa*1 and S.P. Ejeh2. 1 Associate Professor, Civil Engineering Programme, Abubakar Tafawa Balewa University, PMB 0248, Bauchi, Nigeria. 2 Senior Lecturer, Civil Engineering Department, Ahmadu Bello Univesity, 

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  • The Use of Rice Husk Ash in Low Cost Sandcrete Block Production

    The compressive strength of some commercial sandcrete blocks in Minna, Nigeria was investigated. Rice Husk Ash (RHA) was prepared using Charcoal from burning firewood. Preliminary analysis of the Constituent materials of the ordinary Portland Cement (OPC) / Rice Husk Ash (RHA) hollow sandcrete blocks were 

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  • optimization of compressive strength of fly ash blended cement

    Mar 2, 2013 ABSTRACT. High cost of cement as a major component of concrete has contributed to continuous rise in the cost of concrete works in Nigeria and other developing nations. Blended cement has become quite popular in developed countries due to its durability and high benefits / cost ratio. Fly ash as a 

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  • A Review of Partial Replacement of Cement with some Agro AJOL

    laboratory, showed that only the replacement of cement with 10%BPA exhibited a convincing increase in advance countries, the use of fly ash, a of Nigeria. AHA is obtained by incinerating. Acha husks within a temperature range of. 650700°C, to avoid formation of crystalline ash which is less reactive to lime. The.

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  • Use of Bagasse Ash as Partial Replacement of Cement in Concrete

    phosphate waste and pulverized coal bottom ash, the use of bagasse ash as pozzolana has received little attention. In Nigeria, there is little or no control over cement costs, especially as both bulk and bagged cements are mostly imported at very high foreign exchange rates. Economic use of cement in concrete can 

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  • Coconut Shell Ash As Partial Replacement of Semantic Scholar

    (uncontrolled combustion) for three hours to produce coconut shell ash (CSA), which in turn was used as pozzolana in partial replacement of cement in concrete production. Examples of pozzolans include class C fly ash, which contain more a brand of ordinary. Portland cement available locally in Nigeria was used. The.

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  • Strength Characteristics of Groundnut Leaf/Stem Ash (GLSA) Concrete

    Oct 8, 2016 This research investigated the effect of groundnut leaf/stem ash (GLSA) on the compressive strength of concrete at 0%, 5 %, 10 % and 15 Society for Testing Materials, ASTM (1981): C618, Specifiion for Fly Ash and Raw or Calcined Natural Pozzolana for Use as Mineral/Admixture in Portland Cement.

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  • Coconut Shell Ash As Partial Replacement of Semantic Scholar

    (uncontrolled combustion) for three hours to produce coconut shell ash (CSA), which in turn was used as pozzolana in partial replacement of cement in concrete production. Examples of pozzolans include class C fly ash, which contain more a brand of ordinary. Portland cement available locally in Nigeria was used. The.

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  • Nigerian academy of engineering, NAE The Nigerian Academy of

    Dec 9, 2014 powered coal. Nigeria is estimated to have a coal deposit of about 1.54 trillion tonnes and the use of coal in Nigeria can reduce overdependency upon oil. The ash resulting from coal powered plants, being a waste if not utilized, will result in environmental Pollution. FA concrete has high sulphate 

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  • Journal of Engineering Comparative Analysis of Properties of Some

    May 5, 2014 of some properties of artificial pozzolana that are common in Niger State, Nigeria: Rice Husk Ash (RHA), Corn Cob Ash (CCA) and Sheanut. Shell Ash . fly Ash. 3.2 Workability. The result of the slump test indiing the workability of the three pozzolanic concrete are shown in Table 3, as the percentage.

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  • stability of groundnut shell ash (GSA)/ordinary portland cement (OPC)

    stability of groundnut shell ash (GSA)/ordinary portland cement (OPC) concrete in Nigeria. T.C. Nwofor and S. Sule. Department of Civil and Environmental Engineering, University of Port Harcourt, P.M.B related works, rice husk ash, fly ash, volcanic ash etc have been used as partial replacement for cement in concrete.

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  • Lateritic Soil Stabilized with Fly Ash as a Sustainable Structural

    tests on soil mixtures prepared with finegrained lateritic soils at 0, 5, 10, 15 and 20% fly ash content. Specimens for. UCS and CBR tests were prepared at optimum moisture content and cured for 28 days. The Nigerian General specifiion for Roads and Bridges and U.S Army Corps of Engineers unconfined compressive 

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  • view full paper International Journal of Scientific and Research

    compressive strength of sawdust ashcement concrete can be predicted from known mix proportions and vice versa. Index Terms sawdust, optimization, scheffes, concrete, prediction, compressive strength. I. INTRODUCTION ne of the basic needs of man is housing. In any developing country like Nigeria, there is a 

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