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the effect of high fly ash content on the compressive

The effect of high fly ash content on the compressive ...

2001-1-1 · The compressive strength of paste mixtures containing fly ash is plotted as a function of time in Fig. 2.Although the a/c ratio of these mixtures varies from 1 to 3, the water/binder ratio was kept constant at approximately 0.3 and the strength development of the paste mixture with the same w/c ratio but containing no ash is shown for comparison.

The effect of high fly ash content on the compressive ...

The effect of high fly ash content on the compressive strength of foamed concrete. ... with both classified and unclassified fly ash. This paper reports only on the results of the compressive strength of concretes cured under sealed conditions and shows that up to 67% of the cement could be replaced without any significant reductions in ...

EFFECT OF FLY ASH CONTENT ON THE COMPRESSIVE

The effect of fly ash content on compressive strength developmentof concrete is investigated. Three mixtures were designed with 10%, 20%, and 30% fly ash replacement for cement compared with a ...

Effects of the physicochemical properties of fly ash on ...

2016-10-15 · This study investigated the effect of the physicochemical properties of fly ash, including the particle sizes and chemical composition of the amorphous phase, on the compressive strength of high-volume fly ash mortars in which 50 vol.% of ordinary Portland cement was replaced with fly ash.The enhancement in the compressive strength of the high

Effect of rice husk ash and fly ash on the compressive ...

Effect of rice husk ash and fly ash on the compressive strength of high performance concrete.pdf Available via license: CC BY 4.0 Content may be subject to copyright.

Effect of Fly Ash Particles on the Compressive Properties ...

2009-11-18 · The closed-cell aluminum foam reinforced by 1.5 and 3.0 wt.% fly ash particles were manufactured by molten body transitional foaming process. The backscattered electron image shows that fly ash particles distribute uniformly in the cell wall. The quasi-static compression tests were conducted. Results show that Al/Fly ash foams have stable compressive property and

The effect of high temperature on compressive strength

2008-11-1 · The fly ash is prevented the decrease of concrete strength against high temperature. It shows that fly ash contributes to the interfacial properties mainly by the pozzolanic effect. • Color changes were observed on concrete surface because of the effect of high temperature. Therefore, we can have some ideas about the change in the concrete ...

A study on the effect of nano silica on compressive ...

2014-8-1 · The effects of high fly ash contents e.g. 40%, 50%, 60% and 70% (by wt.) as partial replacement of cement on compressive strength of mortars are also evaluated in this part. The NS content that exhibited highest compressive strength in the first part is used in the second and third part of this study, where the effect of NS on the compressive ...

(PDF) Effect of Temperature on Residual Compressive ...

The cycle times of heat treatment at 400 degrees C only has a little effect on residual compressive strength of barite concrete. ... namely, stress, high temperature and high fly ash content, will ...

(PDF) Assessment of Longstanding Effects of Fly Ash and ...

Compressive Strength (CS) is an important mechanical feature of concrete taken as an essential factor in construction. The current study has investigated the effect of fly ash and silica fume ...

EFFECT OF HIGH-TEMPERATURE CURING ON THE

2001-7-22 · EFFECT OF HIGH-TEMPERATURE CURING ON THE COMPRESSIVE STRENGTH OF CONCRETE INCORPORATING LARGE VOLUMES OF FLY ASH. This paper provides results about the effect of using different types of curing on the compressive strength of concrete both with and without large volume fly ash (FA).

Effects of High-Lime Fly Ash Content on Water Demand,

1990-11-1 · Presents research performed to report the effects of high-lime (Class C) fly ash on water demand, workability, time of set, and compressive strength of concrete. Tests were carried out on nominal 3000, 4000, and 5000 psi structural grade concrete, utilizing fly ash produced at a Wisconsin power plant.

The Effect of Fly Ash and Red Mud Content on the ...

Reports on the compressive and flexural strength of normal and fly-ash concretes cured in a fog room and in an uncontrolled environment. Three classes of plain concrete with water-cement ratio ...

EFFECTS OF HIGH-LIME FLY ASH CONTENT ON WATER

The paper presents research performed to report the effect of high-lime (Class C) fly ash on water demand, workability, time of set, and compressive strength of concrete. Tests were carried out on nominal 3000, 4000, and 5000 psi structure grade concrete utilizing fly ash produced at Wisconsin Electric Power Company's Pleasant Prairie Power Plant.

Effects of Fly Ash Particle Sizes on the Compressive ...

The study aims to research the effect of the particle size of fly ash on the compressive strength and fracture toughness of high performance concrete (HPC). In all HPC mixtures, the water-to-binder ratio selected is 0.35; the cement replacement ratios includes 0%, 10% and 20%; the particle sizes of fly ash have three types of passing through sieves No. 175, No. 250 and No.

Effect of Fly Ash Particles on the Compressive Properties ...

2009-11-18 · The closed-cell aluminum foam reinforced by 1.5 and 3.0 wt.% fly ash particles were manufactured by molten body transitional foaming process. The backscattered electron image shows that fly ash particles distribute uniformly in the cell wall. The quasi-static compression tests were conducted. Results show that Al/Fly ash foams have stable compressive property and

The effect of high temperature on compressive strength

The effect of high temperature on compressive strength and splitting tensile strength of structural lightweight concrete containing fly ash. In this study, the effect of high temperature on compressive and splitting tensile strength of lightweight concrete containing fly ash was investigated experimentally and statistically.

Effect of rice husk ash and fly ash on the compressive ...

The usage of industrial and agricultural wastes for building materials production plays an important role to improve the environment and economy by preserving nature materials and land resources, reducing land, water and air pollution as well as organizing and storing waste costs. This study mainly focuses on mathematical modeling dependence of the compressive strength

(PDF) Effect of Temperature on Residual Compressive ...

The cycle times of heat treatment at 400 degrees C only has a little effect on residual compressive strength of barite concrete. ... namely, stress, high temperature and high fly ash content, will ...

The Effect of Red Mud Content on the Compressive

To maximize the utilization of red mud in geopolymers, a red mud–metakaolin (RM-MK) geopolymer and red mud–fly ash (RM-FA) geopolymer were prepared, respectively. The effects of red mud content on the compressive strength and microstructure of the geopolymers were investigated under three different curing conditions. The results showed that the strength of

The Effect of Fly Ash and Red Mud Content on the ...

Reports on the compressive and flexural strength of normal and fly-ash concretes cured in a fog room and in an uncontrolled environment. Three classes of plain concrete with water-cement ratio ...

EFFECT OF HIGH-TEMPERATURE CURING ON THE

2001-7-22 · EFFECT OF HIGH-TEMPERATURE CURING ON THE COMPRESSIVE STRENGTH OF CONCRETE INCORPORATING LARGE VOLUMES OF FLY ASH. This paper provides results about the effect of using different types of curing on the compressive strength of concrete both with and without large volume fly ash (FA).

The effect of high temperature on compressive strength

The effect of high temperature on compressive strength and splitting tensile strength of structural lightweight concrete containing fly ash. In this study, the effect of high temperature on compressive and splitting tensile strength of lightweight concrete containing fly ash was investigated experimentally and statistically.

Effect of Fly Ash Particles on the Compressive Properties ...

2009-11-18 · The closed-cell aluminum foam reinforced by 1.5 and 3.0 wt.% fly ash particles were manufactured by molten body transitional foaming process. The backscattered electron image shows that fly ash particles distribute uniformly in the cell wall. The quasi-static compression tests were conducted. Results show that Al/Fly ash foams have stable compressive property and

Effects of Fly Ash Addition on Compressive Strength and ...

In this study, the mixing of polystyrene (PS) beads and fly ash as a sand replacement material in foamed cement composites (FCC) has been investigated. Specifically, the mechanical properties such as compressive strength and flexural strength were measured. Different proportions of fly ash were added in cement composites to replace the sand proportion at 3 wt. %, 6 wt. %, 9 wt.

The Effects of Design Strength, Fly Ash Content and Curing ...

The result of the research demonstrates that high volume fly ash concrete can produce comparable compressive strength which meets the strength of OPC design strength especially for high strength concrete. In addition, the best mix proportion to achieve the design strength is the combination of high strength concrete and 50% content of fly ash.

Effect of Fly Ash Content on Mechanical Properties of C80 ...

The results show that the amount of fly ash has a great influence on the compressive strength and the elastic modulus of the high-strength concrete.The compressive strength and elastic modulus of concrete with 0%, 20%and 40%content increase with age, but the compressive strength and elastic modulus decrease with the same age.

The Effect of Red Mud Content on the Compressive

To maximize the utilization of red mud in geopolymers, a red mud–metakaolin (RM-MK) geopolymer and red mud–fly ash (RM-FA) geopolymer were prepared, respectively. The effects of red mud content on the compressive strength and microstructure of the geopolymers were investigated under three different curing conditions. The results showed that the strength of

The Effects of Different Types of Fly Ash on the ...

2011-9-18 · The aim of this study is to evaluate the effect of the different types of fly ash on the compressive strength properties of sintered briquettes. Thermal gravimetric (TG) analysis was carried out. The chemical composition and physical properties of the materials used were determined. Particle size distribution and microstructure elemental analyses of the materials

The Effect of Alkaline Activator Ratio on the Compressive ...

2017-6-1 · Alkaline activation of fly ash is a particular procedure in which ash resulting from a power plant combined with a specific alkaline activator creates a solid material when dried at a certain temperature. In order to obtain desirable compressive strengths, the mix design of fly ash based geopolymer pastes should be explored comprehensively.