Road maintenance is essential in order to serve the road for design life, protect adjacent resources and user safety, and provide efficient and convenient travel along the route. Most of the road agencies face the problems ...

Due to some of inherent characteristics of construction projects it is exposed to an extremely large amount of hazards and thus to risks. As construction projects increase in size, the risk inherent in its planning, design ...

Resource optimization is one of the key themes of sustainable development. With the fast growing construction industry over the past few decades, the consumption of natural resources has been on the rise. Rapid urbanization ...

This study attempts to identify the delay causes factors affect to the delay of road construction projects in Sri Lanka. Road sector infrastructure developments plays major role within the development of country. Therefore, ...

Safety is one of the main functional requirements of expressways which are designed to operate at 100km/h. One of the key considerations in providing safety is ensuring adequate frictional performance especially during wet ...

Engineers involved in infrastructure development projects in the hilly terrain of Sri Lanka encounter ancient landslides which could be triggered by rainfall or construction activities. One such landslide was encountered ...

Current guidelines and practices at construction sites on concrete pumping has not been based on theoretical understanding of pipe flow of fresh concrete. In fact, only the slump value is monitored at construction sites, ...

Along with the highways, main roads and connecting roads, rural roads which comprise of the largest portion of roads should also be improved, refurbished and maintained every so often. The limited amount of budgetary ...

‘Modulus of subgrade reaction’ is the ratio between the pressure applied on the soil and the corresponding settlement. There is no theoretical relationship found to obtain equivalent subgrade modulus of layered soil. Top ...

Water scarcity which arose with the growth of population, industrialization, urbanization and climate change, emphasizes the importance of water resources planning and management. Hydrologic modelling for water management ...