Asphalt is made by mixing aggregates, filler and binder materials together according to pre-determined ratios. Out of the total asphalt weight, 94% to 95% consists of aggregate. It is not surprising that the performance ...

In mineral processing industry, liberating of minerals is the most important involvement because it can enhance the purity of the mineral. However, if we can initiate micro-cracks in rock pieces in advance to these ...

With the development of the country's economy, industrial activities close to urbanized areas have inceased tremendously. These activities are sources of ground vibrations impacting on human life. Resulting annoyance ...

Malwathu Oya is located in Anuradhapura district which has water quality and scarcity problem for drinking purpose. Samples were collected from selected locations which included upstream and downstream of Malwathu Oya ...

Mineral exploration is a stochastic process of finding and locating commercially viable mineral resources. In this regard, lake sediment is an important material in exploration as it contains three distinct types of ...

Apatite mined f r om Eppawala (Eppawala Rock Phosphate - ERP) cannot be directly used as a fertilizer for armual crops such as paddy and vegetables because of its low water solubility. It is difficult to manufacture water ...

The largest open pit limestone mine in Sri Lanka operated by Siam City Cement Lanka Limited is located at Aruwakkalu, Puttalam. The red soil overburden is directly excavated and low grade and high grade limestone layers ...

Microbial Induced Carbonate Precipitation (MICP) is a widely explored technique that involves utilizing bacterially produced carbonate biominerals for improving the engineering properties of soils. When this novel approach ...

In hard rock excavation, drilling and blasting is commonly used for loosening rock. Optimum rock fragmentation due to blasting is desirable for downstream operation productuivity. Environmental impacts due to blasting ...