Industrial waste generated by the natural stone industry when working with limestone and dolostone is mainly composed of calcium carbonate magnesium carbonate. This mineral composition makes soil stabilization a potential use waste. However, much research must be carried out to fully understand aptitude this for improvement. In work, strength microstructure clayey stabilized using powder lime o...

An adequate moisture resistance is a key element to guarantee the durability of asphalt materials. This paper identifies influence filler typology and bitumen content on mechanical response mortars before after water action. Two fillers were evaluated: Portland cement Calcium carbonate, along with different contents penetration (B35/50). Stiffness, ductility, fatigue evaluated through new proto...

This work considers the reactions of dolomite powder mixed with Portland cement during ageing under accelerating conditions (60 °C, water or alkaline medium). The phase composition and microstructure cement-dolomite mortars were studied using X-ray diffraction (XRD), thermogravimetric analysis (TGA), scanning electron microscopy microanalysis (SEM-EDS). results showed that alkalinity medium inc...

Kashmir is located in a region where winter temperatures are very low. During the winter months, the temperature in Kashmir is often below 0⁰ C. Generally concrete placed in colder regions with the help of insulated forms as well as heaters to protect freshly mixed concrete against freezing. These practices try to incorporate unnecessary carbon and leads to an disagreeable carbon footprint. The...

In part I of this study we aim to evaluate and control the characteristics of the powders constituting the solid phase of a vaterite CaCO(3)-dicalcium phosphate dihydrate cement using a co-grinding process and to determine their impact on cement setting ability. An original methodology involving complementary analytical techniques was implemented to thoroughly investigate the grinding mechanism...

Filter cake is one of the main waste products of zinc processing industries and it contains a high amount of toxic heavy metals. In this research in order to reduce heavy metals leachability in filter cake, Portland cement, natural pozzolan, diammonium phosphate (DAP), triple superphosphate (TSP), lime, zinc oxide and ground granulated blast furnace slag (GGBFS) have been used. This research’s ...

Objective: The development of a Self-Compacting Concrete (SCC) mixture requires different composition compared to normal vibrated concrete. This experimental study was designed propose modification the concrete mix design formula produce an SCC that meets specified requirements for both fresh and hardened using Ground Calcium Carbonate (GCC) as local fine powder material. Methods: research carr...

The Upper Jurassic carbonates of the eastern part of the Kopet-Dagh Basin, with thickness of 470 m, are the major gas-bearing reservoir in NE Iran. The objectives of this study are recognition of diagenetic history and estimation of porosity related to dolomitization. Based on field and laboratory study, four carbonate facies associations have been identified at the Mazdavand outcrop. Most of t...

Methane-derived authigenic seep carbonates occur globally along continental margins. These are important archives to identify dynamics, the source of ascending methane-enriched fluids together with their timing, and an carbon sequestration mechanism. Recently, were discovered in Levant Basin South-Eastern Mediterranean Sea. To elucidate past seepage activity dynamics across basin, different car...