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All Journal Jurnal Dedikasi Jurnal Ilmu Kebencanaan : Program Pascasarjana Unsyiah Jurnal Teknik Sipil Teras Jurnal The Jurnal Arsip Rekayasa Sipil dan Perencanaan (Journal of Archive in Civil Engineering and Planning) Jurnal Teknik Sipil dan Teknologi Konstruksi International Journal of Social Science, Educational, Economics, Agriculture Research, and Technology (IJSET) Jurnal Maritim Malahayati International Journal of Disaster Management Jurnal Teknik Sipil Journal of The Civil Engineering Student PESARE: Science and Engineering Service Journal
Eldina Fatimah
Department Of Civil Engineering, Faculty Of Engineering, Syiah Kuala University, Banda Aceh, Indonesia
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Journal : International Journal of Disaster Management

 1 
Estimation of Site Amplifications from Shear-Wave Velocity at Pyroclastic Deposits and Basins in Aceh Tengah and Bener Meriah District, Aceh Province, Indonesia Ibnu Rusydy; Khaizal Jamaluddin; Eldina Fatimah; Syafrizal Syafrizal; Fauzi Andika; Yoshinori Furumoto
International Journal of Disaster Management Vol 1, No 1 (2017): June
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (688.184 KB)

Abstract

Earthquake on July 2, 2013, destroyed several buildings in Aceh Tengah district and Bener Meriah district of Aceh Province. This earthquake gives Aceh government a clue that the seismic hazard map must become the reference in development plan in future. To respond this idea, we conduct the research and try to estimate the amplification factor for developing seismic hazard maps of those districts. This study aims to determine the average shear wave velocity up to the depth of 30 meters (Vs30) and the amplification factor of Aceh Tengah district and Bener Meriah district, to build the seismic hazard map of both districts. In this study, we use the MASW (Multi-Channel Analysis of Surface Waves) with 24 geophones in the frequency of 10 Hz at 10 locations to determine the Vs30 beneath the surface. The soil and rock classification from ASCE 2010 and SNI 1726:2012 used to classify the soil/rock based on Vs30 and calculate the predicted amplification factor using the Borcherdt Eeri equation. The result of this study reveals that the range of Vs30 in the study area is 76 m/s – 308 m/s. The loosest sediment has 76 m/s located at point 2 in Aceh Tengah district. The shear wave velocity of 76 m/s classifies as soft soil (SE). Based on the calculation, the pyroclastic deposit and sediment in the basin of the study area will be amplified the seismic wave in the range of 2.9 to 3.3 times. In the future, we suggest conducting another geophysical survey to determine the correct amplification factor to improve the quality of seismic hazard map.
The impact of vegetation cover loss on land surface temperature in the small island of Sabang City: Implication for sustainable spatial planning Asrina, Naja; Fatimah, Eldina; Achmad, Ashfa
International Journal of Disaster Management Vol 8, No 2 (2025)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v8i2.47070

Abstract

Sabang City has undergone ongoing development and changes in spatial patterns, leading to significant transformations in land use and land cover (LULC), particularly a reduction in vegetation and forest areas. These changes have contributed to a rise in land surface temperatures (LST). This study analyzed the spatial and temporal impacts of these changes on LST and vegetation health using the Normalized Difference Vegetation Index (NDVI) based on Landsat 8 imagery data from 2013 and 2023. Over the decade, forest cover declined by 11.65% (2,639.96 ha), while agricultural and built-up areas increased by 15.82% and 5.57%, respectively. LST in built-up areas rose by 0.7C, while vegetated areas experienced a 1.1C temperature decrease, highlighting the role of vegetation in local climate regulation. NDVI analysis revealed a 5% decrease in high-density vegetation areas and an increase in low vegetation zones, supporting a negative correlation between NDVI and LST. Areas with less vegetation exhibited higher temperatures. These findings emphasize the need to integrate vegetation and surface temperature indicators into spatial planning. Preserving vegetative cover is essential for mitigating climate risks such as drought and forest fires. This study provides evidence-based guidance for sustainable development and disaster risk reduction in small island cities like Sabang.
A New Multi-Purposes Flume Experiments Facility: Challenges and Opportunity for Tsunami and Coastal Engineering in Indonesia Syamsidik, Syamsidik; Benazir, Benazir; Pratama, Nadri; Arifullah, Arifullah; Fatimah, Eldina; Nazaruddin, Nazaruddin; Tarmizi, Tarmizi; Ibrahim, Ibrahim; Zein, Ikramullah
International Journal of Disaster Management Vol 6, No 3 (2023)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v6i3.34568

Abstract

Physical modelling for tsunami engineering is rather difficult to conduct due to lack of comprehensive and advanced facilities to do so. Large number of simulations of the tsunami impacts were performed numerically. In early 2023, a new advanced tsunami flume facility has been completed at Tsunami and Disaster Mitigation Research Center (TDMRC) of Universitas Syiah Kuala. This flume has 60 m in length, 2.5 m in width, and 1.7 m in height. The flume is also equipped with a number of wave, pressure, and current sensors, Particle Image Velocimetery (PIV) Camera, and a laser bed profiler. Beside of the tsunami generator, this flume is also capable to generate wind-driven waves (with two large wind turbines), regular and irregular waves, and currents. The flume provides new opportunities as well as challenges for tsunami scientists and engineers in Indonesia to collaborate and to perform novel researches in tsunami mitigation. This article is aimed at elucidating technical challenges and opportunities in performing tsunami physical models with the large tsunami flume. we performed a series numerical models using DualSPHysic. The results show that composite beach slopes inside the flume has succesfully mimic shallow coast effects that later deformed the incoming tsunami waves into breaking, bores, and runup. Challenges were identified in absorbing tsunami waves with more than one incoming wave to the observation area. In the future, this facility will be accessible for scientists and engineers to collaborate in tsunami science and engineering researches.
Determination of Design Criteria for Floating Portable Toilet Applied at Flood Prone Area Fatimah, Eldina; Fauzi, Muhammad; Fauzia, Arisna; Kiswanto, Kiswanto; Abdullah, Abdullah; Clara, Bella Fitrah; Syahna, Diyatura
International Journal of Disaster Management Vol 6, No 2 (2023)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v6i2.33651

Abstract

Communities living in flood-prone areas generally experience difficulty accessing toilet facilities when the water level fluctuates. Information on providing toilets that can adapt to changes in the water level at disaster sites has yet to be published. In addition, the obstacles often faced in the provision of toilets are difficulty in distribution because they cannot be disassembled, toilets are unstable when placed above the water level, and they are not environmentally friendly. The availability of a comprehensive type of floating portable toilet that is suited for installation in advance (before flooding) and adapts to floating conditions should be more investigated. This research aims to select critical criteria for floating portable toilet design. Interpretive Structural Modelling (ISM) is used to determine the most essential Criteria (P). Secondary data collected include information related to toilet design that has been carried out in various countries, and primary data is collected by distributing questionnaires to as many as 22 selected key respondents. The results showed that the critical factors in designing a floating portable toilet were classified into 6 (six) important parameters, namely: Design and Environmental Management System, Safety, Cleanliness, Amenities, and facilities, Ease of Mobility, and Length of construction time.
Analysis of the Hydraulic Jump Characteristics in a Stilling Basin to Avoid Dam Failure Fatimah, Eldina; Azmeri, Azmeri; 'Aini, Qurratul; Fauzi, Muhammad; Rizalihadi, Maimun
International Journal of Disaster Management Vol 6, No 1 (2023)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v6i1.31990

Abstract

Flooding may occur due to dam failure at downstream of the spillway. Stilling basin of the spillway plays an important role in reducing turbulence generated by hydraulic jumps. It can avoid flooding and local scouring as well. Therefore, this study aims to analyze hydraulic jump characteristics experimentally. Two series of structures namely initial (S0) and final (S1) were tested. The S0 model is the United States Bureau of Reclamation (USBR) III type, while S1 is set the adverse slope of 1:2 at the downstream and lowering the bottom elevation of the channel by 4 m. Measurements were taken on the length of hydraulic jumps, water level and high speed before-after hydraulic jumps at various return periods discharges (Q) of 2, 5, 10, 25, 50, 100 and 1000 years. It is found that at S1, the jump is submerged, causing the relative hydraulic jump height (y2-y1)/y1 to be 40-90% higher than S0. Furthermore, the compression of more than 50% of the hydraulic jump length ratio (Lj/y2) was indicated at S1. In addition, the energy dissipation efficiency (t) obtained for each discharge at S1 ranged from 58-84% (good absorption). On the other hand, at S0, the t produced was around 70-89% (Q2-Q50) and 45% (Q100 and Q1000). It can be concluded that the modification of USBR III can reduce the vulnerability of the bottom and downstream parts of the stilling basin. It is expected that the potential flood disaster due to the stilling basin failure of the dam can be eliminated. These results may be used as recommendation to the disaster management strategies, such as improving dam safety guidelines, informing emergency response plans, or guiding infrastructure design to withstand hydraulic forces.
Estimation of Site Amplifications from Shear-Wave Velocity at Pyroclastic Deposits and Basins in Aceh Tengah and Bener Meriah District, Aceh Province, Indonesia Rusydy, Ibnu; Jamaluddin, Khaizal; Fatimah, Eldina; Syafrizal, Syafrizal; Andika, Fauzi; Furumoto, Yoshinori
International Journal of Disaster Management Vol 1, No 1 (2017)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Earthquake on July 2, 2013, destroyed several buildings in Aceh Tengah district and Bener Meriah district of Aceh Province. This earthquake gives Aceh government a clue that the seismic hazard map must become the reference in development plan in future. To respond this idea, we conduct the research and try to estimate the amplification factor for developing seismic hazard maps of those districts. This study aims to determine the average shear wave velocity up to the depth of 30 meters (Vs30) and the amplification factor of Aceh Tengah district and Bener Meriah district, to build the seismic hazard map of both districts. In this study, we use the MASW (Multi-Channel Analysis of Surface Waves) with 24 geophones in the frequency of 10 Hz at 10 locations to determine the Vs30 beneath the surface. The soil and rock classification from ASCE 2010 and SNI 1726:2012 used to classify the soil/rock based on Vs30 and calculate the predicted amplification factor using the Borcherdt Eeri equation. The result of this study reveals that the range of Vs30 in the study area is 76 m/s 308 m/s. The loosest sediment has 76 m/s located at point 2 in Aceh Tengah district. The shear wave velocity of 76 m/s classifies as soft soil (SE). Based on the calculation, the pyroclastic deposit and sediment in the basin of the study area will be amplified the seismic wave in the range of 2.9 to 3.3 times. In the future, we suggest conducting another geophysical survey to determine the correct amplification factor to improve the quality of seismic hazard map.
Co-Authors 'Aini, Qurratul . Azmeri, . Abda Abda Abdullah Abdullah Achmad, Ashfa Agus Halim, Agus Ahmad Zikra Jumhasla Putra Alfian Alfian Alfiansyah Yulianur Alfiansyah Yulianur BC Amir Fauzi Amir Fauzi Amir Hamzah Isa Amir Hamzah Isa Andika, Fauzi Andre, Sofyan Aprila, Mellita Arie Julianda Arifullah, Arifullah Asrina, Naja Azmeri Azmeri Benazir, Benazir Clara, Bella Fitrah Dedi Sofriadi Devi Sundary Dian Safiana Erwin Ferdinansyah Faisal Faisal Fauzi Andika Fauzia, Arisna Fauziah Fauziah Ferdinansyah, Erwin Furumoto, Yoshinori Haiqal Haiqal hayatun nisa Henny Herawati Humayra, Siti I.E. Sulastri Sihotang Ibdayanti, Dinda Rizka Ibnu Rusydy Ibrahim Ibrahim Iin Shabrina Hilal Indra . Isa, Amir Hamzah Jamaluddin, Khaizal Kamal, Shafa Safira Kesuma, Putra Aulia Khaizal Jamaluddin Khaliq, Gebie Firman Kiswanto Kiswanto Lia Nazia Liza Zulaini Maimun Rizalihadi Maimun Rizalihadi Maimun Saputra Maimun Saputra Marini Bravikawati Masimin Masimin Masimin Masimin Masimin Masimin Masimin Masimin Mastura, Cut Annisa Widya Sari Muammer Diandra Mubarak Mubarak Muhammad Fauzi Muhammad Fauzi Muhammad Isya Muhammad Nasir Muhammad Sahriat Tanjung Muksin Umar Munirwansyah Munirwansyah Munzirwan Habibi N. Nazaruddin Nasaiy, Qurratul 'Aini Benti Nazar, Teuku Mochamad Nina Shaskia Nisa, Hayatun Nur Mutia Nurwijayanti Oktaparizi, Rio Pratama, Nadri Putra, Teuku Devansyah Qurratul Aini Radityo, Tithan Rahmawati Rahmawati Rahmi Nia Ivana Rauzana, Anita Rio Oktaparizi Rizcha Tasliya Sahwilliza Sahwilliza Said Khairullah Sari Rezeki shafa safira kamal Suhendrayatna Suhendrayatna Suhendrayatna Suhendrayatna Suhendrayatna Suhendrayatna Sukandar Sukandar Sukandar Sukandar Sundary, Devi Suryati Suryati Syafrizal Syafrizal Syafrizal Syafrizal Syafrizal Syafrizal Syahna, Diyatura Syamsidik, Syamsidik Taharuddin Taharuddin Tarmizi Tarmizi Teuku Devansyah Putra Teuku Mochamad Nazar Tithan Radityo Uswatun Hasanah Wien Linge Yoshinori Furumoto Yusbindar Yusbindar Zein, Ikramullah Ziana Ziana Ziana, Ziana Zulaini, Liza