EVALUASI MODEL EMPIRIS PREDIKSI PERPINDAHAN TANAH JENIS LATERAL SPREADING AKIBAT LIKUIFAKSI PADA GEMPA CHRISTCHURCH
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Institusion
Universitas Sriwijaya
Author
TRI KURNIA RAHAYU J (STUDENT ID : 03011281520100)
Ratna Dewi (LECTURER ID : 0015067401)
Ko, Yung-Yen
Ratna Dewi (LECTURER ID : 0015067401)
Ko, Yung-Yen
Subject
TA703-712 Engineering geology. Rock mechanics. Soil mechanics.Underground construction
Datestamp
2019-10-04 06:16:38
Abstract :
This study focused on evaluating the empirical model to predict the ground displacement in the response to liquefaction induced lateral spreading caused by the earthquake. At least two major earthquakes involved in this study, Niigata, Japan 1964 and Christchurch, New Zealand 2011. The empirical models that will be conducted in this analysis are the logarithmic formula proposed by Bartlet and Youd and exponential formula proposed by Tokimatsu and Asaka. Another formula will be proposed in this study, the normal cumulative distribution function and log-normal distribution function. Here, for those two functions will evaluate its effectiveness in predict only the ground displacement data obtained by the Christchurch earthquake. The effectiveness of the mentioned model will be evaluated by the R square number from the regression analysis. The R square from the Niigata earthquake and Christchurch combined earthquake data implied that the logarithmic equation from Bartlet and Youd is better to predict the ground displacement than the exponential equation from Tokimatsu and Asaka, which gives the R square 37.6% for Niigata and 2.98% for Christchurch ground displacement data respectively. Furthermore, the analysis for each curve from Christchurch ground displacement data implied the normal cumulative distribution function is better to represent the ground displacement data caused by Christchurch earthquake than the log-normal cumulative distribution function since the R square average value from each curve analysis is equal to 72.131%.
This study focused on evaluating the empirical model to predict the ground displacement in the response to liquefaction induced lateral spreading caused by the earthquake. At least two major earthquakes involved in this study, Niigata, Japan 1964 and Christchurch, New Zealand 2011. The empirical models that will be conducted in this analysis are the logarithmic formula proposed by Bartlet and Youd and exponential formula proposed by Tokimatsu and Asaka. Another formula will be proposed in this study, the normal cumulative distribution function and log-normal distribution function. Here, for those two functions will evaluate its effectiveness in predict only the ground displacement data obtained by the Christchurch earthquake. The effectiveness of the mentioned model will be evaluated by the R square number from the regression analysis. The R square from the Niigata earthquake and Christchurch combined earthquake data implied that the logarithmic equation from Bartlet and Youd is better to predict the ground displacement than the exponential equation from Tokimatsu and Asaka, which gives the R square 37.6% for Niigata and 2.98% for Christchurch ground displacement data respectively. Furthermore, the analysis for each curve from Christchurch ground displacement data implied the normal cumulative distribution function is better to represent the ground displacement data caused by Christchurch earthquake than the log-normal cumulative distribution function since the R square average value from each curve analysis is equal to 72.131%.
File :
RAMA_22201_03011281520100.pdf
RAMA_22201_03011281520100_TURNITIN.pdf
RAMA_22201_03011281520100_0015067401_01_FRONT_REF.pdf
RAMA_22201_03011281520100_0015067401_02.pdf
RAMA_22201_03011281520100_0015067401_03.pdf
RAMA_22201_03011281520100_0015067401_04.pdf
RAMA_22201_03011281520100_0015067401_05.pdf
RAMA_22201_03011281520100_0015067401_06_REF.pdf
RAMA_22201_03011281520100_0015067401_07_LAMP.pdf
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