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Old July 8th, 2009, 03:37 PM
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Default Necessity of underground development..

Necessity of Underground Development by increase in urban population and extension of urban area

By Jeong-Ryeol Kim
President of SAMWOO GEOTECH Co. Ltd.
Web: http://www.swanchor.com


Increase in urban population and extension of urban area in 21th century.

What is underground space?

Underground space is the space resource under the surface of the ground which is naturally formed or the resource which is manually created in the range of economic utilization.
- American Underground Space Association -

That is, underground space is utilization space that all establishments on the ground such as transportation, shopping mall and establishments for life convenience can be prepared.

Physical properties of underground space and utilization of the space:

- Limits on the underground space development by underground water level, ventilation problem, low excavation technology in the pastů
- Current trends on the development of underground space in the world by improvement of technology

Similar situation in Vietnam in the future:

+ City centralization in Vietnam - The gravitation of population toward the cities
+ Trends on GNP and vehicle registration number in Vietnam

Conclusion:

City development for the next 1,000 years
+ Hanoi, the capital city of Vietnam will be 1,000 year old as of 2010.
+ You need to prepare the capital for the next 1,000 years on the past 1,000 year foundation
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