Browse

Drilling muds commonly use organic polymers as viscosifiers or mud filtrate reducers. While these polymers are effective, they are also costly, contributing to higher operational expenses in oil well drilling. They play a crucial role in the success of drilling operations and help enhance various properties, particularly rheological characteristics. Due to environmental concerns, these polymers have become essential in water-based drilling fluids, serving as alternatives to oil-based muds. The present study aims t...

Alfa fibers have been investigated as a sustainable and cost-effective alternative to conventional reinforcement materials such as glass and carbon fibers, which are significantly more expensive and substantially increase the overall cost of mortar production. The present study aims to provide a comprehensive comparative analysis of mortars reinforced with different types of fibers, including mechanically extracted Alfa fibers, chemically treated Alfa fibers, and commercial polypropylene fibers. Fiber-reinforced m...

In order to valorize our natural resources especially dune sand, the physical and mechanical properties of adhesive mortars based on local mineral additions, have been studied in this present work. The experimental study was carried out on various adhesive mortars made with different contents of dune sand by partial substitution of cement. Adhesive mortars were made from Portland cement (PC; at 35%, 30% and 25%wt), Dune Sand (DS; at 60%, 65% and 75%wt), fillers and redispersible polymer powder (RDP; at 0.6%, 1.0% ...

Recently, nanotechnology has attracted a considerable scientific interest due the potential new uses of non-particles, which can improve the properties of cement mortars or concretes, such as Nanosilica. Nanoparticles, like those of nanosilica, have been shown to have unique physical and chemical properties different from those of conventional cement additions. Nanosilica was used either to replace part of the cements or as an addition to improve the performance of the cement such as accelerating the hydration of ...

The work presented in this article is based on the formulation and research of the mechanical and thermal properties of self-compacting concretes (SCC) made from the cement industry waste. This waste is of high alumina, finely ground and incorporated as filler. Mechanical testing in compression and in tension by splitting has been performed and that in the compare to control concrete specimens. To examine the performance of our concrete at high temperatures we have introduced two sample a concrete witness and the ...