On the 24th March 2011, the 6.8 magnitude earthquake
called Tarlay Earthquake strikes Myanmar. the 0.2 g
acceleration was measured at Maesai, Chiengrai station
which located 30 km from the earthquake epicenter. Since
Maesai’s subsoil consists of shallow loose to medium dense
layer of sand, therefore the liquefaction has been widely
observed. The gradation of the liquefied soil is matched
well within the gradation range of the liquefiable soil.
Probabilistic assessment of liquefaction potential were done
and found that Maesai sand has high susceptibility to
liquefy with about 75% to 95% in term of liquefaction
probability. Luckily, most of the liquefied sites were located
outside Maesai city therefore the damage was then
minimized. This liquefaction phenomenon is recorded to bethe first liquefaction ever witness in the modern time of
Thailand.
Keywords: Liquefaction, Maesai’s subsoil, Probabililistic,
cyclic stress ratio
On the 24th March 2011, the 6.8 magnitude earthquakecalled Tarlay Earthquake strikes Myanmar. the 0.2 gacceleration was measured at Maesai, Chiengrai stationwhich located 30 km from the earthquake epicenter. SinceMaesai’s subsoil consists of shallow loose to medium denselayer of sand, therefore the liquefaction has been widelyobserved. The gradation of the liquefied soil is matchedwell within the gradation range of the liquefiable soil.Probabilistic assessment of liquefaction potential were doneand found that Maesai sand has high susceptibility toliquefy with about 75% to 95% in term of liquefactionprobability. Luckily, most of the liquefied sites were locatedoutside Maesai city therefore the damage was thenminimized. This liquefaction phenomenon is recorded to bethe first liquefaction ever witness in the modern time ofThailand.Keywords: Liquefaction, Maesai’s subsoil, Probabililistic,cyclic stress ratio
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