mineral admixtures for high performance concrete

A comprehensive review on effects of mineral …

It was observed that the usage of smaller particle sizes in mineral admixtures enhances the chemical reaction due to the increased surface area, with a lower water-to …

The effect of mineral admixtures on the properties of high-performance …

The results, in general, showed that mineral admixtures improved the properties of high-performance concretes, but at different rates depending on the binder type. While SF contributed to both short- and long-term properties of concrete, FA required a relatively longer time to get its beneficial effect. In the long term, both mineral …

The effect of mineral admixtures on the properties of high-performance …

Mineral admixtures, such as silica fume (SF) and fly ash (FA), provide additional reduction to the porosity of the mortar matrix and improve the interface with the aggregate [3]. Another factor influencing the quality of high-performance concrete is curing. In a review of high-performance concrete, Corresponding author. Fax: +44-113 …

Mineral Admixture for High Performance Concrete

Enhanced durability and performance of concrete. Reduction in cement consumption. Lower environmental impact and carbon footprint. Cost-effectiveness. Some common types of mineral admixtures include …

Compressive strength and chloride resistance of metakaolin concrete …

Abstract. In the present research work, investigations were carried out to improve the performance of concrete in terms of strength and resistance to chloride-ion-penetration by incorporating metakaolin (MK) as mineral admixture in concrete. Parametric study was carried out by considering w/cm ratio, various percentage of MK …

The effect of mineral admixtures on the properties of …

The results, in general, showed that mineral admixtures improved the properties of high-performance concretes, but at different rates depending on the …

Prediction of Carbonation Depth for Concrete Containing Mineral …

A carbonation test database of mineral admixture concrete was established considering the influence of 17 parameters. The intelligent algorithm and three existing carbonation depth prediction models were analysed based on the database. ... Zhou, H., et al.: Studies on forecasting of carbonation depth of slag high performance concrete ...

Effects of active mineral admixture on mechanical …

Since the adding of the mineral admixture, which replaces part of the cement, results in C 3 A content reduction and higher compactness of the concrete, the mineral admixture concrete shows better corrosion-resistant performance than ordinary concrete in face of single SO 4 2− corrosion. During 0-120 corrosion cycles, the …

Mineral Admixture

Mineral Admixtures. Mineral admixtures (fly ash, silica fume (SF), and slags) are usually added to concrete in larger amounts to enhance the workability of fresh concrete; to improve resistance of concrete to thermal cracking, alkali-aggregate expansion, and sulfate attack; and to enable a reduction in cement content. Fly ash.

High Performance Concrete | PPT

The fly ash (FA), the ground granulated blast furnace slag (GGBS) and the silica fume (SF) has been used widely as supplementary cementitious materials in high performance concrete. These mineral admixtures, typically fly ash and silica fume (also called condensed silica or micro silica), reduce the permeability of concrete to carbon …

The effect of mineral admixtures on the properties of high-performance …

DOI: 10.1016/S0958-9465(00)00031-7 Corpus ID: 135489801; The effect of mineral admixtures on the properties of high-performance concrete @article{Hassan2000TheEO, title={The effect of mineral admixtures on the properties of high-performance concrete}, author={Khaled Hassan and Jose G. Cabrera and R. S. Maliehe}, journal={Cement & …

Effect of using mineral admixtures and ceramic wastes as …

A superplasticiser with a high-performance concrete admixture of an aqueous solution of a modified polycarboxylate base (Viscocrete-3425) was used to improve the workability of the concrete mixes. Viscocrete-3425 is particularly suitable for producing concrete mixes that require high early mechanical strength development, powerful water ...

High-Performance Concrete incorporating with …

Fly ash, Silica fume, Quarry Dust has been popularly used in as mineral admixtures and along with that water also used as natural admixture in HPC to improve the mechanical properties. The...

The mix design for self-compacting high performance concrete containing

Self-compacting concrete is a concrete that can flow and consolidate under its own weight, pass through the spaces between the reinforcement bars to completely fill the formwork, and simultaneously maintain its stable composition [3], [4], [5].Self-compacting high performance concrete (SCHPC) is defined as a new generation of concretes on …

(PDF) Admixtures in Concrete -A Review

Admixture chemistry plays a significant role to transform normal concrete mix into a high performance concrete mix. ... This paper is an attempt to review various types and role of mineral ...

Types of Admixtures for Concrete

Mineral admixtures affect the nature of the hardened concrete through hydraulic or pozzolanic activity. Pozzolans are cementitious materials and include natural pozzolans (such as the volcanic ash used in Roman concrete), fly ash and silica fume. They can be used with Portland cement, or blended cement either individually or in combinations.

Influence of Mineral Admixtures on Early-Age Autogenous …

High performance concrete (HPC) is a kind of concrete with mineral admixtures, which has better resistance ability to chloride ions diffusion than ordinary concrete. In the present study, the ...

High Performance Concrete Mixed with Combinations of Mineral Admixtures …

Mineral admixtures in concrete are also known as supplementary cementing materials. ... Wu S (2019) Application of mineral admixture in high performance concrete. Glob J Res Eng 19:33–36. Google Scholar Güneyisi E, Gesoğlu M, Karaoğlu S, Mermerdaş K (2012) Strength, permeability and shrinkage cracking of silica …

Concrete mineral admixtures | PPT

1. MINERAL ADMIXTURES IN CONCRETE Prepared By, S.INDHU M.E.-STRUCTURAL ENGINEERING. 2. INTRODUCTION: Admixtures are added in concrete to improve the quality of concrete. Fly ash (FA), silica fume (SF), ground granulated blast furnace slag (GGBS), Metakaolin (MK), and rice husk ash (RHA) Possess certain …

Development of an eco-friendly Ultra-High Performance Concrete …

This paper addresses the development of an eco-friendly Ultra-High Performance Concrete (UHPC) with efficient cement and mineral admixtures uses are investigated. ... The effect of curing conditions on compressive strength of ultra high strength concrete with high volume mineral admixtures. Build Environ, 42 (5) (2007), …

A review on ultra high performance concrete: Part II.

Section snippets Hydration. The hydration of cementitious materials in UHPC is similar to that in ordinary concrete (OC). First, Portland cement hydrates to form calcium silicate hydrate and calcium hydroxide, then mineral admixtures (such as silica fume) react with calcium hydroxide to form calcium silicate hydrate (C–S–H).

Study on Effect of Mineral Admixtures in High …

mineral admixture was arrived at. The tensile strength and flexural strength of HPC were obtained at the same replacement levels of mineral admixtures at 28 days curing. Keywords: HPC, silica fume, Metakaolin, fly ash. I. INTRODUCTION High-performance concrete (HPC) is a recent development in concrete technology. High strength …

A Study on High Performance Fine-Grained Concrete

Rice husk ash (RHA) is classified as a highly reactive pozzolan. It has a very high silica content similar to that of silica fume (SF). Using less-expensive and locally available RHA as a mineral admixture in concrete brings ample benefits to the costs, the technical properties of concrete as well as to the environment. An experimental study of …

Preparation of high performance ed concrete from …

The titled high performance ed concrete was developed from Portland cement, ultra fine granulated blast-furnace slag, pulverized fly ash and condensed silica fume by means of pre-ing process. The resultant ed concrete presents its thermal conductivity of about 0.16–0.75 W/(m · °C) and 28 d compressive strength of about 1.1–23.7 MPa when …

High Performance Concrete Mixed with …

Three combinations of mineral admixtures namely a combination of fly ash and silica fume, fly ash and metakaolin, and fly ash and GGBS were used for the …

Rice Husk Ash | SpringerLink

8.2.1 Influence on Workability and Bleeding. Laskar and Talukdar examined the effects of RHA on the rheological behaviour of high performance concrete.In their study, RHA was used to replace cement on mass basis at rates of 5, 10, 15 and 20%. Based on their test results, plastic viscosity increases tremendously with the increase in cement …

Application of Mineral Admixture in High …

With the low water cement ratio, mineral admixture is of advantages: Increase later strength of concrete, reduce the hydration heat, enhance the compactness of concrete internal …

High-Performance Concrete: Composition, and Features

2. Water. Water is a crucial component in high-performance concrete which should be compatible with cement and mineral/chemical admixtures. 3. Fine Aggregate. Coarse fine aggregate is desired compared to finer sand to produce high-performance concrete since finer sand increases the water demand of concrete. 4.

A review on strength development of high performance concrete

HPC usually refers to concrete with superior mechanical and durability properties [2], or a concrete with 28d compressive strength above 70 to 80 MPa, w/b ratio below 0.35 and durability factor above 80% and it should consist of good quality aggregates, high cement content (450-550kgm −3), high dosage of mineral admixtures and ...

(PDF) Mix Design of High-performance Concrete

contain mineral admixtures which change the pro perties of fresh . ... High-performance concrete (HPC) is designed to be more efficient and shows a higher value of flowability, strength, and ...