An escalator is a type of vertical transportation in the form of a moving staircase – a conveyor transport device for carrying people between floors of a building. The device consists of a motor-driven chain of individually linked steps that move up or down on tracks, allowing the step treads to remain horizontal. Escalators are … Read more
From aesthetic point of view, an odd number of spans with a decrease in length in the direction of abutment is desirable. Moreover, spans of equal length are found to be boring. However, the arrangement of irregular span lengths is not recommended because it gives a feeling of uneasiness. From structural point of view, for … Read more
In the conventional design of steel reinforcement for a simply supported skew bridge, a set of reinforcement is usually placed parallel to free edge while the other set is designed parallel to the fixed edge. However, this kind of arrangement is not the most efficient way of placing the reinforcement. The reason is that in … Read more
Tired of traffic jams and tail gas? The design of electric \”straddling buses\” lets cars drive underneath them, and can help reduce air pollution. Also known as land airbus, the new invention is less costly than subway systems.
The subject of Irrigation has assumed a worldwide importance since it holds the key to provide food to the teeming billions living in developed and developing countries. The science of irrigation engineering vary from situation to situation. The science of irrigation engineering vary from situation to situation. In the riverless middle east it depends on … Read more