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Forbidden City Earthquake-Proof Palaces (Experiment (series of simulated…
Forbidden City
Earthquake-Proof Palaces
Preface
6 hundred years
200 devastating quakes
include the deadliest earthquake in 20th
Preparation
specialist carpenters
replicate, scale: 1:5
build on shake table→simulate earthquake
calibrate to the sizes and weight of the scale model
traditional carpentry tools
Contruction
beams and column
→structural core of all
between the crossbeam in roof
flower-shaped bracket→
Dogon
extend to exterior
support the eaves and the roof
sit on the large beams
supported by tall columns
columns are not found in earth but
free standing
Experiment
seismologist -- Dr. Joe
" how much the building can move, how flexible it is surprised me."
series of simulated quakes
9.5 -- the largest earthquake ever
(=2 billion tonnes of TNT)
survive!
10.1
survive!
purposes
how the construction react
what magnitude of earthquake