IDENTIFIKASI KERENTANAN BANGUNAN DI KOTA LANGSA AKIBAT BAHAYA GEMPA DAN KELAS SITUS

Haikal Fajri, Irwansyah Irwansyah, Nina Fahriana, Defry Basrin, Zaenal Abidin Al Atas

Abstract

Globally, Aceh Province is an earthquake-prone area, especially earthquakes with an epicenter on land, such as the 2013 in Central Aceh with a magnitude of 6,1; the 2016in Pidie Jaya with a magnitude of 6,5 which damaged more than 10.000 buildings, and killed 85.000 people, according to a report from the Aceh disaster management agency (BPBA).The BMKG recorded an earthquake measuring M 5,3 on 27 September 2018 with the epicenter location on land with a depth of 10 km. Recently on 3 December 2020, an earthquake measuring M 4,9 occurred at a location very close to the previous earthquake. Having this phenomenon, as well as the close distance between the epicenter and the city center, this study aims to identify the risk of vulnerability of residential buildings in the city center to potential earthquakes and class of soil sites (Vs30). The ground motion equation was carried out with scenario of SA to SF soil site class with the epicenter point 22,48 km from the city center at a depth of 10 km. The type of building that has the greatest probability of failure is the C3L, while the sturdiest building is the RM2M type. Therefore, preliminary results indicate that the HAZUS tool has an advantage in estimating the risks and losses that will in the future provide protection to buildings.

 Keywords

Structural Engineering

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References

M. Anzala, E. Fatimah, and N. Ismail, “Kajian Pemetaan Kawasan Risiko Gempa Bumi Di Kabupaten Aceh Tengah,” Pascasarj. Univ. Syiah Kuala, vol. 9, no. 1, pp. 19–27, 2015.

M. Ikhsan Maulana, M. Hasan, and M. Afifuddin, “Analisis Deformasi Struktur Bangunan Aula Gedung Serbaguna Kabupaten Pidie Jaya Akibat Gempa Pidie Jaya Desember 2016,” J. Civ. Eng. Student, vol. 2, no. 1, pp. 29–35, 2020.

Badan Nasional Penanggulangan Bencana, “Kajian Risiko Bencana Aceh 2016 - 2020,” Badan Penanggulangan Resiko Bencana, p. 43, 2015.

R. Spence, “Risk and regulation: Can improved government action reduce the impacts of natural disasters?, ” Build. Res. Inf., vol. 32, no. 5, pp. 391–402, 2004, doi: 10.1080/0961321042000221043.

Departmen of Homeland Security, “Federal Emergency Management Agency Hazus–MH 2.1: Technical Manual Washington DC,” 2012. [Online].Available:www.fema.gov/plan/prevent/hazus.

C. A. Kircher, R. V. Whitman, and W. T. Holmes, “HAZUS Earthquake Loss Estimation Methods,” Nat. Hazards Rev., vol. 7, no. 2, pp. 45–59, 2006, doi: 10.1061/(asce)1527-6988(2006)7:2(45).

J. W. F. F. Remo and N. Pinter, “Hazus-MH earthquake modeling in the central USA,” Nat. Hazards, vol. 63, no. 2, pp. 1055–1081, 2012, doi: 10.1007/s11069-012-0206-5.

T. Levi et al., “Earthquake Loss estimation in Israel using the new HAZUS-MH software: preliminary implementation,” Geol. Surv. Isr., no. GSI/11/2010, p. 45, 2010.

BPS, “Kota Langsa Dalam Angka,” 2017, [Online].Available:https://langsakota.bps.go.id/publication/2018/08/16/b1085cee9d789fcecbb8c1a9/kota-langsa-dalam-angka-2018.html.

D. M. Boore, W. B. Joyner, and T. E. Fumal, “Estimating, Equations For Western North American Earthquakes - A Summary of Recent,” Seismological Research Letters, vol. 68, no. 1. pp. 128–1531, 1997.

T. Cao and M. D. Petersen, “Uncertainty of earthquake losses due to model uncertainty of input ground motions in the Los Angeles area,” Bull. Seismol. Soc. Am., vol. 96, no. 2, pp. 365–376, 2006, doi: 10.1785/0120050130.

D. Assimaki, G. Gazetas, and E. Kausel, “Effects of local soil conditions on the topographic aggravation of seismic motion: Parametric investigation and recorded field evidence from the 1999 Athens earthquake,” Bull. Seismol. Soc. Am., vol. 95, no. 3, pp. 1059–1089, 2005, doi: 10.1785/0120040055.

W. D. L. Finn and A. Wightman, “Ground motion amplification factors for the proposed 2005 edition of the National Building Code of Canada,” Can. J. Civ. Eng., vol. 30, no. 2, pp. 272–278, 2003, doi: 10.1139/l02-081.

Badan Standardisasi Nasional, “Sni 1726-2019,” Tata Cara Perenc. Ketahanan Gempa Untuk Strukt. Bangunan Gedung dan Non Gedung, no. 8, p. 254, 2019.

S. K. Ploeger, G. M. Atkinson, and C. Samson, “Applying the HAZUS-MH software tool to assess seismic risk in downtown Ottawa, Canada,” Nat. Hazards, vol. 53, no. 1, pp. 1–20, 2010, doi: 10.1007/s11069-009-9408-x.

S. Kasus and R. Di, “Kajian Bangunan Di Indonesia Dengan Amerika (Studi Kasus Rumah Di Bantul),” Inersia, vol. 7, no. 1, pp. 85–95, 2011, doi: 10.21831/inersia.v7i1.3706.

U. Muksin et al., “AcehSeis project provides insights into the detailed seismicity distribution and relation to fault structures in Central Aceh, Northern Sumatra,” J. Asian Earth Sci., vol. 171, no. November 2018, pp. 20–27, 2019, doi: 10.1016/j.jseaes.2018.11.002.

DOI: https://doi.org/10.24815/jts.v12i1.31884

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