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Showing posts from March 24, 2019

China's latest engineering marvel-Video

Subscribe to my channel for free Use Videos China's latest engineering marvel-Video World’s tallest horizontal skyscraper’ will feature two swimming pools, restaurants and a light show 820ft in the air A Chinese city is about to complete the country's new landmark after six years of construction. The project was designed by architect Moshe Safdie. It was inspired by Chinese sailing vessels and is a tribute to Chongqing historical past as a maritime trading centre. An enormous commercial complex comprising eight skyscrapers, the £2.7 billion mega-structure in Chongqing, south-west China, has a huge rooftop corridor laid across the tops of four 60-storey buildings at 820 feet. Stretching 984 feet in length as if a horizontal skyscraper, the spectacular glass-walled structure is nearly as long as The Shard in London laid on its side and three times the height of the Statue of Liberty in New York. The property, called Raffles City Chongqing, is invested by Singaporea...

Bad joint track train rail-Video

Subscribe to my channel for free Use Videos Trains actually don't make that sound. The rails make it. A rail is not a single metal piece but a series of rail pieces with certain length. ... The sound is generated because of the lateral movement of the wheels and subsequent connection/friction with the tracks. Train noise is vehicle noise created by trains. Noises may be heard inside the train and outside. Various parts of a train produce noise, and different kinds of train wheels produce different amounts of noise. Noise barriers can attenuate the noise. Subways, Light Rail transit and freight trains can send loud train noise into neighborhoods. Organizations such as the World Health Organization and the U.S. Environmental Protection Agency have set guidelines for noise level decibel limits for Rapid Transit Train noise can be a type of environmental noise. When a train is moving, there are several distinct sounds such as the locomotive engine noise and the wheels turn...