land liquefaction
DESCRIPTION
LAND LIQUEFACTION. HOW DID EARTHQUAKES AFFECT THE LAND RECLAMATIONS? . WHAT IS THE RECLAMATION?. Land reclamation is the process of creating new land from ocean, river, and lake. . TOKYO BAY. - PowerPoint PPT PresentationTRANSCRIPT
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LAND LIQUEFACTION
HOW DID EARTHQUAKES AFFECT THE
LAND RECLAMATIONS?
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WHAT IS THE RECLAMATION?
Land reclamation is the process of creating new land from ocean, river, and lake.
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TOKYO BAYJapan is a small island, so land reclamation has been carried out along the coast of Tokyo Bay since approximately 1910. Tokyo Bay includes about 96 square miles of reclaimed land area.
A view of northern Tokyo Bay facing Tokyo from Odaiba.
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RECLAIMED CITY: URAYASU
Urayasu city is located 30 min from Tokyo Station in Chiba prefecture. The city is very well known as a place where Tokyo Disney Resort consisting of Tokyo Disneyland and Tokyo DisneySea. Urayasu is newer reclaimed land; therefore, it is famous for its organized modern residences, hotels, wide streets, large sidewalks, and beautiful parks.
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LAND LIQUEFACTION IN URAYASU
Massive earthquake on March 11, 2011 led to the phenomenon of liquefaction in Urayasu city because the city was a place with major areas of reclaimed ground. 85% of the utility infrastructure, roads, building, and houses were greatly damaged and affected by liquefaction. The damage cost the city approximately ¥73,4 billion to repair.
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LIQUEFACTION OCCURRED IN TOYKO BAY
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Construction company employees inspect the manholes pushed out of the ground
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Tilted roadside near the Maihama station
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Cracks in the road surface Uplifted groundwork around the electric power poles
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A leaning utility pole
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Uplifted the road surface in front of the elevator
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A tilted telephone boothLeaning an apartment and an utility pole
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People inspect the parking lot for Tokyo Disneylandshowing soil liquefaction