LAND LIQUEFACTION HOW DID EARTHQUAKES AFFECT THE LAND
RECLAMATIONS?
Slide 2
WHAT IS THE RECLAMATION? Land reclamation is the process of
creating new land from ocean, river, and lake.
Slide 3
TOKYO BAY Japan 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.
Slide 4
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.
Slide 5
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.
Slide 6
LIQUEFACTION OCCURRED IN TOYKO BAY
Slide 7
Construction company employees inspect the manholes pushed out
of the ground
Slide 8
Tilted roadside near the Maihama station
Slide 9
Cracks in the road surface Uplifted groundwork around the
electric power poles
Slide 10
A leaning utility pole
Slide 11
Uplifted the road surface in front of the elevator
Slide 12
A tilted telephone booth Leaning an apartment and an utility
pole
Slide 13
People inspect the parking lot for Tokyo Disneyland showing
soil liquefaction
