Hard bearing layers identification of escape hill design for facing tsunami - Earthquake disaster at Deah Baroe rural area for natural disaster risk reduction

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M. Munirwansyah, R.P. Munirwan, M. Sungkar, H. Yunita, H. Munirwan, Saharuddin, F. Fachrurrazi, W. Widilestari

2020 IOP Conference Series: Materials Science and Engineering Vol. 933 Issue 1 Conference paper Cited by 0 SDG 13SDG 17 Quartile

Abstract

Aceh is surrounded by the Indo-Australia and Euro-Asia subduction plate, which has a profound effect on the occurrence of large tectonic earthquakes above 5 SR which may cause the tsunami. The tsunami which occurred in Aceh on December 26th, 2004 had the large number of the casualties during the 9.3 magnitude earthquake was affected by the lack of temporary evacuation like escape hill. The government's lack of preparedness for escape hill in order to deal with several serious threats such as the earthquake which may cause tsunami disaster in Banda Aceh. To deal with this serious threat, it is necessary to prepare a place of salvation to face the tsunami, in this case is an escape hill (artificial hill). The objective of this research is to determine the carrying capacity of the hard bearing layers identification of escape hill design and the amount of the settlement, due to the load of the embankment height (Hcrit) and the safety factor value. This research is conducted in Ulee Lheue Banda Aceh which was calculated by the Plaxis 8.2 finite element analysis. The research results found that the settlement value of 17.45 cm still within in the tolerance limits and the bearing stratum is still able to withstand the embankment load. Furthermore, the safety factor value is 1.04 shows that the bearing stratum is still in the safe condition (hard soil) and it does not indicate the failure. © Published under licence by IOP Publishing Ltd.

Affiliations

Department of Civil Engineering, Universitas Syiah Kuala, Banda Aceh, Indonesia; Urban and Regional Planning Department, Institut Teknologi Sumatera, Bandar Lampung, Indonesia; Department of Civil Engineering, Universitas Negeri Yogyakarta, Yogyakarta, Indonesia; Public Work Office, Banda Aceh, 23243, Indonesia

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