A structure would be more sustainable if maintenance problems and associated costs are minimized. Most of the concrete bridges have been constructed in Sri Lanka with expansion joints. It results in frequent maintenance ...

Today, the world over, much emphasis is focused on the use of sustainable materials in infrastructure. One of the main attributes that has led to the widespread use of steel in infrastructure is that is considered ...

Construction of concrete bridges gained popularity after the introduction of pre-stressed concrete in 1950s, due to low cost of maintenance and locally available construction material. The concrete bridge industry was ...

Due to their superior qualities in contrast with the alternatives, Carbon Fibre Reinforced Polymer (CFRP) strengthening techniques have proven great performance in externally strengthening Reinforced Concrete (RC) elements. ...

The Box Culverts are drainage structures that allow to cross, small to medium scale water paths. They generally founded in soil where scouring is not an issue. The advantage of the box culvert is that it can be rested ...

In Sri Lanka, Concrete has been widely used as a construction material for more than hundred years and it is necessary to analyse some of these existing old structures to check their structural adequacy, for retrofitting ...

The Ceylon electricity board is the main electricity producer in Sri Lanka. The supply arm of the Ceylon electricity board is divided into three categories: Generation, Transmission and Distribution. The power lines having ...

The punching shear failure of flat slabs is common in reinforced concrete buildings, and once the failure occurs, rectification is difficult and time consuming, which also affects building functionality. Hence, it is ...

In Prestressed concrete, the initial compression is applied to the concrete before applying any external load so that stress from external loads is counteracted in a favourable way. Camber in precast prestressed slab ...

Portal frame structures are widely used all over the world and in Sri Lanka for warehouses and factory buildings as they allow a large column free area with a maximum open space. They are basically made out of steel. ...