The paper over-populated, “wants the land to the sky”, the world each big city’s skyscraper rises straight from the ground. But, National People’s Congress represents, Chinese Academy of Engineering academician Mengshu yesterday when accepted Yangcheng Evening own interview indicated that the 21st century China city’s development should be with emphasis “downward walks”, developed the derground space, “cities and so on Guangzhou, Shenzhen, really the necessity has not constructed the skyscraper”!
Recently the whole world had the big earthquake repeatedly, some people smiled said that the Earth adjusted “the vibration pattern”. Mengshu mentions the derground space, first talks about the anti-knocking property: “for instance in 1976 the Tangshan big earthquake, the epicentral intensity amounted to 11 kwh, around the Tangshan Rolling stock plant constructs all but actually, but the civil air defense understructure work’s command headquarters, the electricity generation engine room were perfect.”With the ground construction, compares particularly with the skyscraper, derground space’s anti-knocking being possible be called is superior.
Mengshu indicated that the overseas big city is very early on the development derground space, the lunar month with thirty days subway, the business street and even the warehousing. The Japanese Tokyo even moves to the agricultural production underground, with the specially made light illumination plant, may produce crops and so on paddy rice. At present Japan has 1/3 population already in the underground work.
Mengshu said that at present Beijing Dongcheng District has put out the detailed underground development project document, prepares under fujing, Xidan to construct the business street. National People’s Congress represented, Guangzhou Plan Bureau Chief Dong to indicate yesterday to Yangcheng Evening reporter that Guangzhou under the space problem has not formed the unified plan at present, this caused the present underground items of basic construction to be unable to dock, to form the work, and paused in the shallow surface layer development.
Mengshu suggested that Guangzhou, Shenzhen, if develops the derground space, must first complete “the common ditch”. So-called “common ditch”, is refers to the burying depth is 0 meters to 10 meter between channels, uses for to hold all pipelines, including sewer, electric power, communication and so on, “gas line exception”. Second is the plan underground parking garage.
In underground does the construction, can the cost be very high, and how to guarantee that the natural lighting, ventilates? Mengshu clarifies: The derground space conserves energy the environmental protection very much actually, compared to constructs the tall building economy many.
First, the derground space does not need the air conditioning. Beijing from the place bottom 5 meter deep start, maintains basically 15℃ the constant temperature. Next, the derground space does not need the drawing fan – - – subway to bring “the piston wind” to be very strong, may lead the peripheral derground space the gas circulation. In addition, derground space’s water supply conserves energy very much. “the tall buildings water used, is pulls out with the water pump. But the derground space basic is in the identical horizontal plane transportation”.
Mengshu indicated that the tall buildings are higher, the construction cost is bigger; But the underground construction more toward the deep place, the building cost of projects increases not much. “Guangzhou, Shenzhen, so long as develops well underground, the necessity has not constructed the skyscraper”.
