Demand for self compacting concrete is Abstract: increasing due to the possibilities of usage in congested reinforced areas, and reduction in manpower. Use of high fine content and superplasticisers has significantly ...

AC induction motors are used today for a wide range of applications demanding variable speed. This has created a high demand for AC induction type variable speed motor drives. These drives mainly use PWM and Space vector ...

The energy sector of Sri Lanka is still in a primary stage of development and so then the much more extensive researches must be carried out to fulfill the future demand requirements of energy sector in the country. As ...

Sri Lanka, is an island with a wide coastal belt and an indulging landscape with lush greenery. Its5 strategic position in the Indian Ocean made her rich in contacts with the outside world. The diverse influences from ...

In BS 8110 : Parti : 1985, the improved durability of concrete was achieved by using mixes with higher strength such as grades 25 and 30. However, volume batched nominal mix of 1:2:4 (20 mm ) is still used in many ...

Different forms of earth retaining systems used at present can be separated into two broad categories as, externally stabilized systems and internally stabilized systems (Jones et al - 1985). An externally stabilized system ...

Among the building envelope elements, the thermal importance of roofs in tropical buildings is immense. Due to the high sun angles in the tropics, roofs are exposed to the sun more often than the walls. The solar altitudes ...

This research will examine how structural innovations have transformed architecture and form of buildings , from the bulky and massive to the lightweight, while investigating achievement of long span buildings in ...

Residual soils from selected prominent landslide sites of the upcountry of Sri Lanka are tested under unsaturated conditions to evaluate pertinent unsaturated properties of the soils. The selected landslide sites are ...

The first ever systematic study of city-induced climate change was carried out Howard in London in 1833 (Landsberg, 1981). Since then studies on urban climate modifications has progressed from mere descriptive studies (up ...