compressive strength of concrete and mortar containing fly ash

Compressive strength of concrete and mortar containing fly ...

Dec 29, 1998  @article{osti_321160, title = {Compressive strength of concrete and mortar containing fly ash}, author = {Liskowitz, J W and Wecharatana, M and Jaturapitakkul, C and Cerkanowicz, A E}, abstractNote = {The present invention relates to concrete, mortar and other hardenable mixtures comprising cement and fly ash for use in construction. The invention includes a

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Compressive strength of concrete and mortar containing fly ...

Jan 01, 1997  The present invention relates to concrete, mortar and other hardenable mixtures comprising cement and fly ash for use in construction. The invention includes a method for predicting the compressive strength of such a hardenable mixture, which is very important for planning a

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US5624491A - Compressive strength of concrete and mortar ...

The present invention relates to concrete, mortar and other hardenable mixtures comprising cement and fly ash for use in construction. The invention includes a method for predicting the compressive strength of such a hardenable mixture, which is very important for planning a project. The invention also relates to hardenable mixtures comprising cement and fly ash which can achieve greater ...

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Compressive strength of concrete and mortar containing fly ...

May 20, 1994  Early strength gains by fly ash concrete occur much more slowly than with control. With 15% replacement of 3F fly ash, the compressive strength of fly ash concrete varies from 1216 psi at day 1 to 10023 psi at day 90, a shift form 63.4% of control strength to 107.5% of control strength.

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Compressive Strength of Concrete Containing Fly Ash, Brine ...

The effect of using brine on the compressive strength of concrete containing fly ash and admixtures was studied. The term brine, in this investigation, is restricted to the liquid solution obtained from potash mines that contains salts of sodium, potassium, calcium, and magnesium in the following respective percentages: 9.0, 5.0, 5.2, and 5.8.

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Compressive strength of concrete and mortar containing fly ...

Nov 20, 1996  Early strength gains by fly ash concrete occur much more slowly than with control. With 15% replacement of 3F fly ash, the compressive strength of fly ash concrete varies from 1216 psi at day 1 to 10023 psi at day 90, a shift form 63.4% of control strength to 107.5% of control strength.

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Compressive Strength of Concrete Containing Fly Ash, Brine ...

The effect of using brine on the compressive strength of concrete containing fly ash and admixtures was studied. The term brine, in this investigation, is restricted to the liquid solution obtained from potash mines that contains salts of sodium, potassium, calcium, and magnesium in the following respective percentages: 9.0, 5.0, 5.2, and 5.8.

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Compressive strength studies on portland cement mortars ...

Nov 01, 1980  Published research on mixtures containing both a fly ash and a water reducer is limited. Superplasticizers have been used to a limited degree in high-strength fly ash-portland cement concretes [ii], while other studies show some improvement in early strength with the addition of conventional plas- ticizers [12, 13, 14].

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(PDF) Compressive Strength and Leaching Behavior of ...

For this reason Wang et al. [27] investigated the substitutions of cement with fly ashes obtained from the co-firing with coal, switch grass and sawdust, concluding that: Biomass fly ash concrete has similar compressive strength to that of coal fly ash after the first month (for a substitution of 25% with the concrete); and biomass fly ash ...

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Compressive Strength of Fiber Reinforced Concrete With Fly Ash

Fly ash content used was 0%, 3%, 9% and 12% of mass basis, and fiber volume fraction was 0%, 0.75%, 1%, 1.25% and 1.5% of volume basis. The experiment conducted show, that steel fiber addition, either into Portland cement concrete or Fly ash concrete, improves the tensile strength and drying shrinkage and decreases workability.

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Comparative study on compressive strength of fly ash concrete

In this paper the effect of fly-ash on workability, setting time, density, air content, compressive strength, modulus of elasticity are studied Based on this study compressive strength v/s W/C ...

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STRENGTH - fly ash

flexural strength. This holds true for fly ash concrete. However, in many cases, fly ash concrete has demonstrated flexural strength exceeding that of conventional concrete when compressive strengths were roughly equal. High Strength Concrete In instances where high strength concrete has been specified (above 7,000 psi), fly ash has

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Effect of fly ash on physical and mechanical properties of ...

Jun 30, 2019  This research investigates the physical and mechanical properties of mortar incorporating fly ash (FA), which is by-product of Duyen Hai thermal power plant. Six mixtures of mortar are produced with FA at level of 0%, 10%, 20%, 30%, 40%, and 50% (by volume) as cement replacement and at water-to-binder (W/B) of 0.5. The flow, density, compressive strength, flexural strength, and water ...

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Hydration and Compressive Strength of Blended Cement ...

Dec 12, 2014  The compressive strength of mortars were examined for a period of 28 days. The results show that the hydration reaction of cement containing fly ash accelerated when limestone powder was incorporated.

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Compressive Strength of Fly Ash Based Cement Concrete

concrete. In this paper an attempt is made for assessment of compressive strength of Fly ash based cement concrete. Concrete mixes M25, M30, are designed as per the Indian standard code (IS-10262-82) by adding, 0%, 10%, 20%, 30% and 40% of fly ash. Concrete cubes of size 150mm X 150mm X 150 mm are casted and tested for compressive strength at

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STRENGTH DEVELOPMENT OF CONCRETE WITH FLY ASH

Dec 01, 2005  compressive strength-developing behaviour of concrete containing fly ash widely differs from that of concrete without fly ash depending on the method and amount of fly ash addition [11–13]. The rate of strength increase of fly ash concrete is slower but it is sustained for longer periods than the rate of the strength increase of portland

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Predicting the compressive strength of self‐compacting ...

Feb 09, 2021  The use of Class F fly ash (CFFA) as a partial replacement of cement in the concrete mixture can provide a wide variety benefits such as improving the mechanical properties, reducing the construction costs, and enhancing the environmental conditions.

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Compressive strength and stability of sustainable self ...

Jun 10, 2017  This paper presents the findings of an experimental program seeking to understand the effect of mineral admixtures on fresh and hardened properties of sustainable self-consolidating concrete (SCC) mixes where up to 80% of Portland cement was replaced with fly ash, silica fume, or ground granulated blast furnace slag. Compressive strength of SCC mixes was measured after 3, 7, and 28

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Experimental Study of Physical, Fresh-State and Strength ...

The tensile and compressive strength of concrete mixes with Lakhra Fly Ash used as a cement replacement material increased by 16% and 15% respectively at 25% replacement level [1]. An experimental study conducted on traditional concrete by replacing cement with eggshell powder ash (ESPA) at 5%, 10%, and 15% by weight of cement concluded that 10 ...

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Effect of fly ash on compressive strength of concrete ...

Sep 21, 2018  The recycling technology must be adopted in concrete construction work in Indonesia. The using of recycling coarse aggregate in construction work included an effort in recycling technology. It woul...

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Compressive and Time-Dependent Strength of Concrete ...

Mar 01, 2016  Title: Compressive and Time-Dependent Strength of Concrete Masonry Constructed with Type M Mortar and Grouts Containing High Volume of Fly Ash and Slag. Author(s): Fernando S. Fonseca, Scott M. Watterson, and Kurt Siggard. Publication: Materials Journal. Volume: 113. Issue: 2. Appears on pages(s): 185-195

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Compressive Strength of Fly Ash Based Cement Concrete

concrete. In this paper an attempt is made for assessment of compressive strength of Fly ash based cement concrete. Concrete mixes M25, M30, are designed as per the Indian standard code (IS-10262-82) by adding, 0%, 10%, 20%, 30% and 40% of fly ash. Concrete cubes of size 150mm X 150mm X 150 mm are casted and tested for compressive strength at

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COMPRESSIVE STRENGTH OF CONCRETE CONTAINING FLY ASH

The effect of using brine on the compressive strength of concrete containing fly ash and admixtures was studied. The term brine, in this investigation, is restricted to the liquid solution obtained from potash mines that contains salts of sodium, potassium, calcium, and magnesium in the following respective percentages: 9.0, 5.0, 5.2, and 5.8.

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(PDF) Compressive Strength and Leaching Behavior of ...

For this reason Wang et al. [27] investigated the substitutions of cement with fly ashes obtained from the co-firing with coal, switch grass and sawdust, concluding that: Biomass fly ash concrete has similar compressive strength to that of coal fly ash after the first month (for a substitution of 25% with the concrete); and biomass fly ash ...

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Compressive Strength, Free Expansion and Shrinkage of ...

The expansive concrete containing fly ash with a superior expansion is more effective to improve the confined compressive strength. This is because the restricted expansionunder confinement leads to an

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Prediction of compressive strength of concrete containing ...

DOI: 10.1016/J.COMMATSCI.2007.04.009 Corpus ID: 136696934. Prediction of compressive strength of concrete containing fly ash using artificial neural networks and fuzzy logic @article{Topcu2008PredictionOC, title={Prediction of compressive strength of concrete containing fly ash using artificial neural networks and fuzzy logic}, author={Ilker Topcu and Mustafa Saridemir},

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STRENGTH DEVELOPMENT OF CONCRETE WITH FLY ASH

Dec 01, 2005  compressive strength-developing behaviour of concrete containing fly ash widely differs from that of concrete without fly ash depending on the method and amount of fly ash addition [11–13]. The rate of strength increase of fly ash concrete is slower but it is sustained for longer periods than the rate of the strength increase of portland

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Comparative Study of Compressive Strength of Concrete

Syed Afzal Basha [2014][7] :- In this paper Compressive Strength of Fly Ash Based Cement Concrete an attempt is made for assessment of compressive strength of Fly ash cement concrete. Concrete mixes M25, M30, are designed as per the Indian standard code (IS-10262-82) by adding, 0%, 10%, 20%, 30% and 40% of fly ash.

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Compressive Strength of Concrete with Partial Replacement ...

Fly ash is a pozzolanic material which produces calcium silicate hydrate C S H when reacts with free lime present in cement during the hydration. This paper present the experimental result carried out to determine workability and compressive strength of concrete at different replacement of PPC. M 25 grade of concrete 1 1.53 3 at w c of 0.42 was ...

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Effect of fly ash on physical and mechanical properties of ...

Jun 30, 2019  This research investigates the physical and mechanical properties of mortar incorporating fly ash (FA), which is by-product of Duyen Hai thermal power plant. Six mixtures of mortar are produced with FA at level of 0%, 10%, 20%, 30%, 40%, and 50% (by volume) as cement replacement and at water-to-binder (W/B) of 0.5. The flow, density, compressive strength, flexural strength, and water ...

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Experimental study on the compressive strength and ...

May 06, 2019  This paper presents an experimental investigation on the compressive strength and shrinkage (drying shrinkage and plastic shrinkage) property of concrete specimens with fly ash (FA) and ground granulated blast-furnace slag (GGBS), and moreover, the content level and curing age were considered in this experiment.

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GGBS And Fly Ash Effects on Compressive Strength by ...

strength. Cement to water ratio was maintained at 0.47 for all mixes. The compressive strength tests were conducted for 3, 7, 14 and 28 days of curing on a M25 grade concrete. The results obtained from the slump, compaction factor, Vee-bee and compressive strength of concrete containing GGBS and Fly Ash was increased as the curing time ...

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Compressive Strength of Binary and Ternary Blended

utilization of fly ash with silica fume and properties of Portland cement–fly ash–silica fume concrete. It is also reported that the utilization of silica fume with fly ash was found to increase the compressive strength of concrete at early ages. Autoclaved is curing method at

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