Roads are designed for a specific volume of traffic and load and beyond which it may fail. By crossing the elastic limit of the materials used in the construction of the roads. Over loading by commercial trucks in Pakistan is a serious problem. The heavily over-loaded trucks stress the road structure beyond their safe bearing capacity. As a result of which roads break up. The

Discrete, non-flocculent particles in a dilute suspension - settle as separate units, and there is no apparent flocculation or interaction between the particles - settling of sand particles in grit chambers. Settling of flocculent particles in a dilute suspension - flocculate during settling and increase in size and settle at a faster velocity - settling in primary

Known as the Water Cube, the National Aquatic Centre is the site of the aquatic games at the 2008 Summer Olympics in Beijing, China. The National Aquatic Centre, or Water Cube, sets next to Beijing National Stadium in the Olympic Green. The cube-shaped Aquatic Centre is a steel frame covered with a membrane composed of energy-efficient ETFE, a

The planning design engineer, when selecting sites for recreational treatment facilities, must ensure that the planned facility will not cause interference or detractions from the natural, scenic, aesthetic, scientific, or historical value of the area. In addition, topographic, geological, hydrogeologic, and atmospheric factors and conditions must be considered

This lining is recommended for the canal in full banking. The cement concrete lining is widely accepted. It can resist the effect of scouring and erosion very efficiently. The velocity of flow may be kept above 2.5 m/s. It can eliminate completely growth of weeds. The lining is done by the following steps: (a) Preparation of sub-grade, (b) Laying of concrete