Seismic Vulnerability Mapping to Support Spatial Plans in Lhokseumawe City Area

Deassy Siska, Herman Fithra, Nova Purnama Lisa, Nandi Haerudin, Muhammad Farid

Abstract


Earthquake loads that work on building structures can be determined by doing calculations ground motion on the surface. The amplitude from ground vibration is correlated with earthquake energy and ground solidity (compaction). The ductile ground will amplify the earthquake energy so that it produces strong vibration to the ground and building on the surface. This study will provide a mapping of areas susceptible to seismic vibrations to produce sustainable Lhokseumawe City spatial management plan policies as supporting literature in City development planning. The results of the study are expected to be disseminated to the community and as input for the Regional Government in planning the development of the city of Lhokseumawe. This research contributed to the development of cross-sectoral science in the assessment of the danger of micro seismic earthquakes. The results of the study were mapping areas that were susceptible to seismic vibration as a basis for spatial planning for the city of Lhokseumawe. The essential linkages in the field of science are on geophysics and architecture. The needs of the study carried out micro seismic data collection in the Lhokseumawe area using micro seismic equipment. The results of this study are the existence of areas that are very susceptible to seismic, namely Ujong Blang and Banda Sakti villages with seismic vulnerability index values (Kg) ranging from 0 cm / s2 - 30542.32 cm / s2. The highest value is located at Ujong Blang Village start from point A10, which is 10397.1 cm / s2. This is finally related to the full damage to buildings in Lhokseumawe City during the 2004 earthquake.

Keywords


seismic vulnerability index; HVSR; spectrum; earth quake.

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References


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DOI: http://dx.doi.org/10.18517/ijaseit.10.1.10276

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