The present work reviews the various mineral admixtures used in concrete which modifies the concrete properties. In this study, cement is partially or completely replaced by different mineral admixtures such as fly ash, silica fume, rice husk ash, …

In this study, the mechanical property and microstructure development of UHPC (ultra-high performance concrete) incorporating different PS (phosphorous slag) content is studied under five curing regimes. The microstructure of UHPC is also discussed by TG, XRD, MIP, the SEM-EDS and 29 Si NMR. The result indicated that the high …

This paper reviews the incorporation of differen t mineral admixtures due to their properties, in order to enhance the quality of concrete as well as decrease its harmful impact on the ...

In the case of high-performance concrete, the matrix used is cementitious, essentially composed of HPC and UHPC [13,188,189]. Despite the great potential of using fibers to reinforce HPC and UHPC, few standards were developed to date, ... Regarding mineral additives, the most used are pozzolanic ones, such as fly ash and silica fume, …

Mineral additives are widely used in cement stone to improve mechanical properties and durability in the past. Three kinds of mineral additives are used to inhibit the efflorescence of cement stone in this work. ... The relationships between stress and strain for high-performance concrete with metakaolin. Cem. Concr. Res., 31 (2001), pp. 1607 ...

RHA concrete is similar to fly ash or slag concrete, both of which are well acceptable for high performance. RHA increased early hydration rate of C 3 S due to its high specific area [18] and ...

There is an increasing tendency to use recycled aggregate to produce concrete due to diminishing sources of natural aggregate. The properties of recycled aggregate concrete (RAC) are inferior to that of normal aggregate concrete. Several strategies including the use of supplementary cementitious materials (SCMs) are …

High-performance concrete (HPC) is an advanced formulation that utilizes optimized gradation, reduced porosity, and mineral admixtures to achieve higher strength. The effects of waste tire rubber ...

High performance concrete (HPC) is a specialized series of concrete designed to provide several benefits in the construction of concrete structures that cannot always be achieved routinely using conventional ingredients, normal mixing and curing practices. ... To provide high degree of workability to the concretes having mineral additives 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 …

From the above literatur e Reviews, we have studied the. different admixtures used in concrete are as a follows: (1) Silica fume (2) Metakaolin (3) POFA (4) RHA (5) GGBS. (6) Fly Ash. • Every ...

dosage of additives, and mineral admixtures of C50 high-performance concrete will be used to analyze the changes in the mechanics and durability of high …

113, Leningradskaya st., Novosibirsk, 630008, Russi a. [email protected]. Abstract. This paper presents the results of the complex modifying additive's effect consisting. of a dispersed inert ...

Ultra High Performance Concrete: Mix Designs and Mix Applications. Tailor Made Concrete Structures. Walraven and Stoelhorst, Taylor ... H.A. Razak, The properties of nanocarbon tubes cement mortar incorporating mineral additives, in: 2012 International Conference on Advanced Material and Manufacturing Science, ICAMMS 20122014, …

1. Introduction. Pre-stressed high performance concrete (HPC) pipe pile is widely used in various engineering projects such as building, highway and railway, port and wharf constructions, because of its advantages in mechanical properties, density, bearing capacity and convenience of construction [1], [2].Due to its increasing demand, the …

@article{Uysal2012EstimationOC, title={Estimation of compressive strength of self compacting concrete containing polypropylene fiber and mineral additives exposed to high temperature using artificial neural network}, author={Mucteba Uysal and Harun Tanyildizi}, journal={Construction and Building Materials}, year={2012}, volume={27}, …

Fly ash, the mineral additive marketed as Condensil, is vital for making durable high-performance concretes. The Vicat Group produces a wide range of artificial cements meeting every building requirement. The Group has annual cement production capacity of 30 million metric tons.

Today, high performance and high strength concrete has been started to be produced with the use of chemical and mineral additives in modern constructions, industry constructions, tunnels or structures built for the purpose of private services. The behavior of concrete under the effect of high temperature should be known well (Zhai et al., 2014;

This paper develops the mechanical and durable samples of C50 high-performance concrete, studies the mechanical properties, crack resistance, sulfate …

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Introducing the proposed additives reduces the plastic shrinkage of concrete samples by 15.6-20.8% with the introduction of mineral additives and 59.2-61% with the introduction of fiber.

With the help of "incorporating mineral additives" like fly ash and silica fume into the concrete mixes, a series of fundamental tests were conducted and …

Environmental friendly and high performance concrete is very import for the applications in sewage and water treatment industry. Using mineral additives such as fly ash and silica fume has been ...

STANDARDS, PRACTICES and MANUALS ON ADDITIVE MATERIALS IN CEMENT CONCRETE. ACI PRC-130-19: Report on the Role of Materials in Sustainable Concrete Construction. ACI PRC-440-07 Report on Fiber-Reinforced Polymer (FRP) Reinforcement for Concrete Structures. ACI PRC-229R-13 (22) Report on Controlled …

The present study highlights the utilization of mineral and chemical admixtures, as the admixtures are used to enhance the chemical, physical and …

Components/Ingredients used in High Performance Concrete. ... Anhydrous gypsum based mineral additives; Chemical Admixtures : Chemical admixtures improves the workability of the concrete mix by increasing the efficiency of the cement paste, which results in decreased water requirement. Some of the important chemical …

It is also reported that mineral ... on the shear thickening effect of superplasticizers on the rheological behavior of cement pastes containing or not mineral additives. Cem. Concr. Res., 30 (2000), pp. 1477 ... Design and function of novel superplasticizers for more durable high performance concrete. Cem. Concr. Res., 38 …

The combined use of mineral additive and PRA had a more positive effect on the properties of the mixes. In this paper, the effect of usage of the permeability reducing admixture (PRA) having different action mechanisms on hardened state properties of cementit ... Jones T R. High performance concrete incorporating metakaolin—A …

Mineral additives (zeolites, SiO 2 micro dust etc.) are some of the most prospective components of concrete in the development of new building materials such as high performance concretes, special concretes absorbing heavy metals or suppressing radioactive radiation. These additives modify and accelerate Portland cement hydration …

Incorporating mineral admixtures in concrete affects various properties. Concrete's permeability decreases and its ability to resist chloride ion penetration rises …

SCC mixtures were produced as control concrete (without mineral additives), moreover fly ash and limestone powder were used with two different replacement ratios (15% and 30%) of cement and marble powder was used with 15% replacement ratio of cement. ... Okamura H. High-performance concrete based on the …

Abstract. This paper evaluates the influence of mineral admixtures partially replacing cement, sea sand replacing quartz, sea water replacing fresh water on ultra …

The effect of these admixtures on rheological behavior of high performance concrete have been investigated and presented in this paper. It has been observed that yield stress decreases as the replacement level of rice husk ash and fly ash increases. ... equal masses of respective mineral additives were mixed thoroughly …

In addition to cement, sand, gravel, and water, the current investigation of the influence of additives on the compressive strength of concrete at 28 days includes fly ash, silica fume, and slag. 315 concrete compositions with various amounts of additives are trained and tested using an artificial neural network. Concrete strength is largely …

Both FA and SF have volcanic ash activity and can be used as concrete additives, turning waste into treasure, reducing the amount of cement needed and improving concrete performance [4,5]. In contrast, BF is made of natural basalt after high temperature melting and pulled by platinum rhodium alloy.

In general, all mineral admixtures reduce bleeding of concrete. Admixtures with finer particle size and higher specific surface area are suitable for preparing high density and low permeability concrete. Increase in water demand due to addition of admixtures may be handled by the use of an effective superplasticizer.

Semantic Scholar extracted view of "The effect of chemical admixtures and mineral additives on the properties of self-compacting mortars" by M. Şahmaran et al. ... Self-consolidating concrete (SCC) is a new category of high-performance concrete that exhibits a low resistance to flow to ensure high flowability and a moderate viscosity to ...

Admixtures used in concrete can be either mineral admixtures (additives) or . chemical admixtures. ... SCC - a High Performance Concrete, is a product of continuous research and development ...

The Subject – high-performance-concrete, modified additive wollastonite and MTK. The Object of the study – experimental-statistical dependencies of the influence wollastonite …

The utilization of microsilica as a mineral additive proves a promising method for generating concrete with high-performance characteristics [25,26]. Wastes from ferroalloy production contain an elevated SiO 2 content ranging from 85% to 95%, with a reduced content down to 65–75%.