A PRELEMINARY EVALUATION OF LIQUEFACTION POTENTIAL OF SANDY SOIL IN LEMPUING SUB-DISTRICT (A COASTAL AREA IN BENGKULU CITY)

Lindung Zalbuin Mase(1), Anggi Nidya Sari(2),
(1) Universitas Bengkulu, Indonesia
(2) Universitas Bengkulu, Indonesia

Abstract


In 2000 to 2009, at least two big earthquakes happened in Bengkulu. The first earthquake occurred in June 4 th, 2000 and the second one occurred in September 12, 2007. Two big earthquakes not only triggered the extensive damage of structures and infrastructures, but also triggered the attributed disaster such as liquefaction. Liquefaction occurred in Bengkulu were signed by sand boiling and lateral spreading in minimum to maximum scale in coastal area, particularly in Lempuing Sub-district. Soil condition in Lempuing Sub-District is dominated by sandy soil with shallow water table depth. Rely on the experience of earthquake and liquefaction disaster in the past, a preliminary evaluation of soil liquefaction in Lempuing Sub Districthad been conducted. The evaluation was performed to define the relationship between peak ground acceleration coefficient and relative density for variation of D of soil sample. This evaluation can be used to estimate the preliminary liquefaction potential before continue more detail analysis.


References


Das, B.M., 1993, “Principles of Soil Dynamics”. PWS-KENT Publishing

Company, Boston, USA. Seed, H.B., and Idriss, I.M., 1971, Simplified Procedure for Evaluation Soil Liquifaction Potential, Journal of Soil Mechanics and Foundation, Division, ASCE, vol. 97, No.9, pp 1249-1273.

Seed H.B., 1982, Ground Motions and Soil Liquefaction During Earthquakes, Earthquake Engineering Research Institute, Pasadena California: USA.

Muktadir R., Misliniyati, R., and Razali, R., M., 2013, “Evaluation of Liquefaction Potential Using Deterministic Method Based on CPT Data (Case Study in Lempuing Sub-District)”, Bengkulu City), Undergraduate Final Project : Department of Civil Engineering, Faculty of Engineering, Universitas Bengkulu : Bengkulu.

Monalisa A., Misliniyati, R., and Gunawan, A., 2014, “Analysis of Liquefaction Potential Using Simple Probability Method Based on CPT Data in Lempuing Sub-District”, Bengkulu City”, Undergraduate Final Project :

Department of Civil Engineering, Faculty of Engineering, Universitas

Bengkulu : Bengkulu.




DOI: https://doi.org/10.33369/ijts.7.2.21-25

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