Past studies have shown that self-compacting concrete with high-volume mineral admixtures (HVMA-SCC), prepared by replacing cement with equal amounts of mineral admixtures such as fly ash and silica fume, can not only significantly reduce the amount of cement used, but also increase the degree of resource utilization of solid …

The study on mineral additives in concrete durability by authors offers a comprehensi ve. examination of the complex effects of several mineral admixtures explaining how these. compounds affect ...

Semantic Scholar extracted view of "Effect of mineral admixtures and steel fiber volume contents on the behavior of high performance fiber reinforced concrete" by Adel Kaïkea et al.

Conveyer belts need to be made of packed ice and the machine will move them along it

Silica fume and fly ash are also waste products in some other processes and are excellent mineral admixtures of concrete. The effect of these admixtures on rheological behavior of high performance concrete have been investigated and presented in …

Small quantities of admixtures are often added to the concrete mixer manually whereas other ingredients such as cement and aggregates are normally transferred to the mixer via a conveyer belt.

Also problems with disposal may reduce because these admixtures are industrial by-products [7]. Efect on fresh concrete due to mineral admixtures shows variation in mechanical and durability properties compared to conventional concrete [8].

This paper is an effort towards presenting a new mix design method for self-compacting high performance concrete (SCHPC) containing various mineral admixtures (MA). In the proposed method, the constituent materials were calculated by using the absolute volume method.

Effects of Mineral Admixtures in Mechanical Behavior of High Performance Concrete. International Journal of Advanced Science and Technology, 29 (3), 8031 - 8038.

In general, replacing FA/GGBFS with cement could not benefit the properties investigated, especially at the higher w/b ratio selected and relationship between compressive strength and gas permeability of HPC greatly depends on w/b ratios and mineral admixture types.

Semantic Scholar extracted view of "Influence of mineral admixtures on compressive strength, gas permeability and carbonation of high performance concrete" by Hui-sheng Shi et al.

The influence rules of the mineral admixtures containing fly ash, ground slag and silica fume on the early-age autogenous shrinkage of high-performance concrete have been discussed in this paper.

Semantic Scholar extracted view of "High Reactivity Metakaolin (): A New Generation Mineral Admixture for High Performance Concrete" by M. A. Caldarone et al.

Mineral additives are often used as a substitute for cement in high performance concrete (HPC). Although many researchers have studied the effects of mineral additives on the rheological ...

Comparison of normal and high-strength concrete in which cement has been partially supplemented by mineral admixture has been considered. It has been concluded that mineral admixtures may be categorized into two groups: chemically active mineral admixtures and microfiller mineral admixtures.

The accuracy of the conveyor belt calculation formula is paramount in designing, implementing, and maintaining efficient conveyor belt systems. This section provides essential advice and highlights common pitfalls to avoid, ensuring that calculations lead to the optimal performance of conveyor belt systems.

Semantic Scholar extracted view of "Early age tensile creep of high performance concrete containing mineral admixtures: Experiments and modeling" by Chun-ping Gu et al.

When selecting conveyor belts, understanding the different types of conveyor belt material is crucial for ensuring optimal performance and efficiency in various industrial applications. The choice of material affects not only the durability and maintenance requirements of the conveyor system but also its cost and environmental …

To study the effects of mineral admixtures on the autogenous shrinkage of high-performance concrete(HPC),the non-contact automatic testing device was used to test the autogenous shrinkage of HPC.It can be concluded that,the autogenous shrinkage of HPC decreases with the increase of the content or the quality of fly ash.The autogenous …

High Performance Concrete Mixed with Combinations of Mineral Admixtures Bhargav Reddy Isanaka, M. Abdul Akbar, P. Perumal, and R. Sai Priyanka Abstract Concrete is a widely used construction material all over the world. However, therawmaterialresources usedformaking concrete aredegrading dayby

Based on the experimental results, we put forward a calculation model of strength and shrinkage of double mineral admixtures with high performance concrete considering the proportion of fly ash ...

Troughed belt conveyors serve as the basis of all handling systems, thanks to their flexibility, opportunity for customization, and the many settings in which they can be applied. However, the harsh operating conditions, heightened risks, increasingly high-value products, and often remote locales associated with the mining industry mean that …

Effect of natural rubber latex on strength and workability of fibre reinforced high-performance-concrete with metakaolin admixture

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

Semantic Scholar extracted view of "Physical and pozzolanic action of mineral additions on the mechanical strength of high-performance concrete" by G. C. Isaia et al.

Semantic Scholar extracted view of "Workability, Mechanical Properties and Durability of Sustainable Ultra-High Performance Concrete Incorporating Mineral Admixtures" by Wenjie Ge et al.

A critical review of the effect of combination of these mineral and chemical admixtures on various rheological, strength and durability properties of the self-compacting concrete is presented in this paper.

Then, the fi fl e ect of mineral admixtures on ceramsite shotcrete performance was investigated. The results show that the mixing of y ash and ff fl silica fume could improve ceramsite shotcrete adaptability in elevated curing temperature.

This paper addresses the development of an eco-friendly Ultra-High Performance Concrete (UHPC) with efficient cement and mineral admixtures uses are investigated. The modified Andreasen & Andersen particle packing model is utilized to achieve a densely compacted cementitious matrix.

This article aimed to explore the optimization of mineral admixtures and retarding admixture for high-performance concrete. In essence, fresh concrete can be regarded as a mixture in which both coarse and fine aggregates are suspended in a …