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All Journal International Journal of Science and Engineering (IJSE) Jurnal Ilmiah Poli Rekayasa IPTEK Journal of Proceedings Series Jurnal Dampak jurnal niara Jurnal Penelitian Pendidikan IPA (JPPIPA) Syntax Literate: Jurnal Ilmiah Indonesia Civil Engineering Dimension FROPIL (Forum Profesional Teknik Sipil) Rang Teknik Journal Dinamisia: Jurnal Pengabdian Kepada Masyarakat Jurnal Rekayasa Sipil Ensiklopedia of Journal Jurnal Ilmiah Rekayasa Sipil Jurnal Pembangunan Nagari Jurnal Civronlit Unbari Journal of Applied Engineering and Technological Science (JAETS) Jurnal Amplifier: Jurnal Ilmiah Bidang Teknik Elektro dan Komputer Jurnal Talenta Sipil Jurnal Teknik Sipil Institut Teknologi Padang Journal of Civil Engineering and Vocational Education
Bambang Istijono, Bambang
Civil Engineering Dept., Andalas University, Senior Lecturer, Padang
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Public Health Social Sciences Transportation Other

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Identifikasi dan Pemetaan Masalah di Nagari Pasca Bencana Erupsi Gunung Marapi di Sumatera Barat Mahdi, Mahdi; Istijono, Bambang; Yossafra, Yossafra; Ismail, Febrin Anas; Hakam, Abdul; Adji, Bayu Martanto; Saputra, Dendi; Andriani, Andriani; Narny, Yenny; Giffari, Muhammad Al; Zis, Sirajul Fuad; Yuliet, Rina
Jurnal Talenta Sipil Vol 8, No 1 (2025): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i1.705

Abstract

Mount Marapi is an active volcano located in West Sumatra. The eruptions of Mount Merapi have a significant impact on the social and economic conditions of the surrounding communities. This study aims to identify and map the post-disaster issues in the nagari affected by the eruption of Mount Marapi in West Sumatra Province to formulate appropriate mitigation measures. Using a descriptive qualitative approach with a case study method, data were collected through direct observation, in-depth interviews, and photographic documentation. The results of the study show that infrastructure damage, including roads and bridges, hinders mobility and aid distribution, while the agricultural and livestock sectors suffer substantial losses. The social impacts include loss of housing and psychological trauma, while the economic impacts are evident in the significant losses faced by small and medium enterprises (SMEs). Health concerns, such as increased respiratory and skin diseases, as well as sanitation issues, are also major concerns. Mitigation efforts undertaken include infrastructure repairs, construction of embankments, public education on disaster preparedness, and psychological support for disaster victims. This study highlights the importance of comprehensive and sustainable mitigation strategies to reduce the impact of disasters and ensure the well-being of communities in disaster-prone areas.
A Risk Analysis Affecting Project Implementation with Contract Values Below 80% of the Owner's Estimated Price Istijono, Bambang; Ophiyandri, Taufika; Gustia, Siti Rahmi
Jurnal Talenta Sipil Vol 8, No 1 (2025): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i1.781

Abstract

The number of bids is less than 80% of the HPS, meaning that the work offered will be carried out at a cost of less than 80% of the estimated cost of the person in charge of the work. In the 2020 period the average percentage of contract value with an offer value of < 80% HPS at Agency x tends to increase significantly by 80% compared to the 2019 period. If the HPS preparation is assumed to have been carried out in accordance with expertise and supported by accountable data. Therefore, the implementation of a contract with a bid value below 80% HPS has a greater possibility of risk in the field compared to a contract value with an offer value above 80% HPS. The method used in carrying out this research is the descriptive method, namely through direct interviews with the Commitment Making Officer (PPK) at agency x to obtain information about the purpose of this research, namely, knowing what risks arise, the causes of risks, and what anticipatory steps are taken. to reduce risk. From the results of data processing after being validated with sources, the risks that arise are: contract extension, contract termination, reduced construction age, disputes, and bad news from local media caused by the bid value which is considered unreasonable. Steps taken by the owner as the owner of the project to reduce risk are Terminating the contract for projects found to be deviant according to applicable regulations and tightening supervision to maintain the quality of work.
Post-Disaster Engineering Strategy for Anai River Debris Flow Management on Anai Valley National Road West Sumatra Indonesia Andriani Andriani; Bambang Istijono; Rahmad Yuhendra; Mahdi Mahdi; Muhammad Al Giffari; Arian Dodi; Bayu Martanto Adji
Journal of Applied Engineering and Technological Science (JAETS) Vol. 6 No. 1 (2024): Journal of Applied Engineering and Technological Science (JAETS)
Publisher : Yayasan Riset dan Pengembangan Intelektual (YRPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/jaets.v6i1.5845

Abstract

One of the causes of flash floods is eruption material from Mount Marapi that is carried downstream, disrupting transportation access and the local economy. This study aimed to design and implement an effective post-disaster engineering strategy for debris flow management in the Anai River and evaluate its long-term success. Data were collected through field observations to measure river profiles, photogrammetry, and sediment sampling. Secondary data were used to calculate rainfall intensity and flood discharge in the Anai River to plan debris flow control. The study results showed that the large catchment area and high rainfall contributed significantly to the high peak discharge. Disturbed soil samples taken from the river surface were saturated, indicating the influence of sediment from the debris flow from the eruption of Mount Marapi. The removal of material from the riverbed needs to be controlled to avoid overexploitation that could exacerbate erosion of the riverbanks, ultimately threatening bridge structures and other infrastructure along the Anai River. To overcome this problem, it is necessary to build sediment control structures such as check dams and groundsills, as well as secure riverbanks in the management of debris flows in the Anai River.
Penanganan Longsor Pada Ruas Jalan Padang – Painan (Sta. 50+950 - 51+035) di Kabupaten Pesisir Selatan dengan Dinding Penahan Tanah dan Fondasi Tiang Bor Laurency, Sonya Ostha; Andriani, Andriani; Hakam, Abdul; Istijono, Bambang
Jurnal Ilmiah Rekayasa Sipil Vol 22 No 1 (2025): April 2025
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v22i1.1765

Abstract

High rainfall on steep slopes along the Padang – Painan city boundary road (Sta 50+950 – Sta 51+035) Pesisir Selatan Regency resulted in landslides and damage to retaining walls. This study aims to analyze slope stability, and retaining wall stability without and using bored pile foundations. The retaining wall used in this study is the Cantilever type. Slope stability analysis using the slices method was carried out by trial and error three times, the results showed a safety factor value (FS <1.25) which means the slope is unstable. The results of the slope improvement analysis using cantilever retaining wall without bored pile foundations showed that the structure was safe against overturning (FS = 3.9) and shear safety (FS = 2.3), but not safe against soil bearing capacity (FS = 1.5 <3). The addition of a single bored pile foundation to the retaining wall increased the bearing capacity to 3,443.43 kN but was unable to withstand the design load of 41,766.45 kN. Therefore, a pile group foundation with a maximum load capacity of 482,080.27 kN, and a permissible bearing capacity of 192,832 kN is used so that it can withstand the structural load. The estimated cost of geotechnical and structural work is Rp10,361,534,397.05 with an implementation time of 10 weeks. The results of this study provide technical recommendations for comprehensive slope and DPT repairs for similar conditions in the future.
Efektivitas Program Kota Tanpa Kumuh (Kotaku) Dalam Menangani Permukiman Kumuh Di Kota Padang : (Studi Kasus : Kelurahan Binuang Kampung Dalam Kecamatan Pauh) Fitria Yulia; Bambang Istijono; Benny Hidayat
Jurnal Niara Vol. 16 No. 3 (2024): Januari
Publisher : FAKULTAS ILMU ADMINISTRASI UNIVERSITAS LANCANG KUNING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/niara.v16i3.18758

Abstract

West Sumatera Province is one of the 15 provinces with the highest slum area in Indonesia. The city of Padang, as the largest city and the provincial capital, has a number of slum areas with an area of 122.33 ha. Of the 22 Kelurahan in Padang, one of the widest slum areas is in the Kelurahan Binuang Kampung Dalam. The KOTAKU program is then present to direct and synergize all forms of collaboration between parties to prevent and improve the quality of slum settlements, especially the community as active development subjects. Within two years, the KOTAKU program initiated CFW (Cash For Work) and Sanitation Assistance activities with a total budget of nearly one billion by involving the full participation of the people there. This thesis aims to analyze how effective and the inhibiting factors of the KOTAKU Program are in dealing with slum settlements in Binuang Kampung Dalam Village. This study used a descriptive qualitative approach, and the method of selecting informants used a purposive sampling technique with the method of measuring program effectiveness using the Pentagonal Assets 7 Indicators. The results showed that the implementation of the KOTAKU program in Binuang Kampung Dalam Kelurahan focused on road repairs with a volume of 2,352.4 meters, drainage improvements with a volume of 275.7 meters, community capacity building 1 package, and sanitation improvement assistance to 100 families. However, the KOTAKU program is still considered less effective, because it does not bring changes to the other three indicators. The factors inhibiting the effectiveness of the program are the absence of programs on the indicators of building order, waste management and fire protection and the slow disbursement of funds
Laboratory Study of Geotechnical Characteristics of Soil in Landslide-Prone Zone in Talamau District, West Pasaman Regency Nofrizal; Fauzan; Hakam, Abdul; Istijono, Bambang; Setiawan, Andriani; Aprisal
Jurnal Penelitian Pendidikan IPA Vol 11 No 8 (2025): August
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i8.12046

Abstract

The main triggering factor for landslides is high rainfall intensity, especially during the rainy season. Excessive rainfall can cause an increase in water content in the soil, which in turn will reduce the shear strength of the soil and increase the volume weight of the soil. The method used is a laboratory experiment by taking samples from the field. The sample of this study was sandy clay soil taken from a landslide-prone area located in Talamau District, West Pasaman Regency. Based on the results of soil geotechnical laboratory tests in the landslide-prone zone in Talamau District, West Pasaman Regency, it can be concluded that the soil sample has moderate plasticity characteristics with a Liquid Limit of 59.39%, Plastic Limit of 49.77%, and Plasticity Index of 9.62%. The soil reaches a maximum dry density of 1.37 gr/cm³ at an optimum water content of 500 ml, with a grain size distribution dominated by the sand fraction (83.978% retained on sieve No. 4-20) and a very low fine material content (1.234%). The results of the triaxial test showed soil behavior that varied from brittle to strain-hardening depending on the level of cell stress. Overall, the soil can be classified as well-graded sand with good drainage but low cohesion, thus requiring additional stabilization for construction applications in landslide-prone areas.
Interrelation of Design Performance to Construction Performance Hadri, Ferdian Al; Hidayat, Benny; Istijono, Bambang
CIVED Vol. 11 No. 2 (2024): June 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i2.559

Abstract

Planning consultant play a very important role in the success of a project, the consultant task in general is to translate the wishes and needs of the client in the design process which is poured into document drawings, structural calculations, costs, time and other supporting documents. Then supervise and provide assistance to contractors in the construction implementation phase, careful planning at the beginning of the project will produce an accurate implementation guideline product which will greatly determine the success of a project. Direct interviews were used in this study as data collection, designing questionnaires and determining variables. Questionnaires were distributed to 37 respondents and analyzed using the SEM (Structural Equation Modeling) method. The results of the analysis of the SEM method for the Interrelation of Design Performance Against Construction Performance showed that construction performance was affected by 97.3% by design and intervening performance. Human Resources is the most influential indicator in performance and design results and indicators in the design performance variables and construction performance variables are the success criteria for the design or planning document.
Analisis Banjir Menggunakan Aplikasi GIS dan HEC-RAS Pada Batang Tapakis Kabupaten Padang Pariaman: Analisis Banjir Syofyan, Elvi Roza; Fitria, Winda; Istijono, Bambang; Rahmi, Yosa Anggia; Rasyid, Fadillah
FROPIL (Forum Profesional Teknik Sipil) Vol 11 No 1 (2023): FROPIL (Forum Profesional Teknik Sipil)
Publisher : Jurusan Teknik Sipil Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/fropil.v11i1.4700

Abstract

Kabupaten Padang Pariaman memiliki beberapa sungai besar salah satunya sungai Batang Tapakis. Penelitian mengenai Batang Tapakis sangat jarang diteliti. Berikut dokumentasi Batang Tapakis tepatnya di Jembatan Tiram, Jalan Syekh Burhanuddin, Nagari Tapakis, Kecamatan Ulakan Tapakis, Kabupaten Padang Pariaman, Sumatera Barat. Pada saat Rabu, 24 Januari 2023 terjadi banjir pada Korong Kasai Nagari Tapakis yang menyebabkan 1.200 KK mengungsi. Ketinggian banjir diperkirakan setinggi 80 cm. Oleh sebab itu dalam kajian ini penelitian menggunakan aplikasi HEC-RAS dan GIS untuk menampilkan sebaran banjir dan tinggi muka air banjir.Penelitian ini dilakukan dengan menggunakan data primer, sekunder dan data DEM yang diunduh dari DEMNAS . Penggunaan aplikasi GIS yaitu Global Mapper berfungsi untuk mengubah data DEM yang berformat GeoTiff menjadi prj agar dapat diolah ke dalam HEC-RAS. Pada aplikasi HEC-RAS terdapat tools RAS Mapper yang berfungsi menggambarkan hasil sebaran banjir dan tinggi banjir. Dari hasil pemanfaatan data DEM menggunakan HEC-RAS dan GIS pada Batang Tapakis dapat menampilkan gambaran genangan pada Korong Tapakis dan tinggi banjir antara 70-80 cm yang sesuai dengan banjir yang terjadi pada tanggal 24 Januari 2023 setinggi 80 cm.
Preparation of Flood Disaster Contingency Documents in Pesisir Selatan Regency, West Sumatra, as Part of Disaster Risk Reduction (Mitigation) : Penyusunan Dokumen Kontingensi Bencana Banjir di Kabupaten Pesisir Selatan, Sumatera Barat dalam Rangka Pengurangan Risiko (Mitigasi) Fauzan, Fauzan; Rinaldi Ekaputra; Abdul Hakam; Bambang Istijono
Dinamisia : Jurnal Pengabdian Kepada Masyarakat Vol. 9 No. 2 (2025): Dinamisia: Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/dinamisia.v9i2.25196

Abstract

The development of a contingency document is a process of identifying and planning for future scenarios that are likely to occur but not certain. Following the flood disaster in Pesisir Selatan Regency in 2024, a community service activity under the community partnership program to assist village development (PKM-MNM) was carried out. This activity involved preparing a flood disaster contingency document as a guideline for managing emergency flood disaster response in Pesisir Selatan Regency to ensure that emergency response can be managed quickly and effectively. The focus area of the program included disaster mitigation efforts (before, during, and after the disaster). Additionally, the guideline serves to coordinate human resources and facilities during emergency flood responses. The preparation of this contingency document involved several stages, including aligning perceptions through a Forum Group Discussion (FGD), conducting survey data collection for the contingency document, verifying data on-site, socializing the preparation of the contingency document, drafting risk assessment and disaster response plans, and reporting and evaluating activities. The resulting flood disaster contingency document encompasses flood characteristics and scenarios, identifying flood-prone areas, intensity, duration, and impacts. It includes assumed impacts such as infrastructure damage, evacuations, and service disruptions, preparedness measures outlining instructions and coordination among parties for effective response, and action plans covering operational strategies, evacuation, and the provision of emergency aid. This program successfully enhanced community involvement, particularly through Disaster Preparedness Groups (KSB), in disaster mitigation and preparedness. The outcomes of this PKM-MNM activity are expected to transform partner regions into disaster-resilient areas fostered by universities and co-funded by local governments, CSR initiatives, and other sponsors. The contingency document produced from this activity is also anticipated to serve as a reference for further studies on disaster risk management in other regions with similar geographical characteristics.
Assessment of Damaged Infrastructure Due To Flash Floods and Landslides in Tanah Datar And Agam Regencies, West Sumatra Province: Asesmen Infrastruktur Yang Rusak Akibat Bencana Banjir Bandang dan Tanah Longsor di Kabupaten Tanah Datar dan Agam, Provinsi Sumatera Barat Fauzan, Fauzan; Bambang Istijono; Febrin Anas Ismail; Abdul Hakam; Yenny Narny; Geby Aryo Agista; Aditya Abdi Pratama; Cindy Murdiaman Guci
Dinamisia : Jurnal Pengabdian Kepada Masyarakat Vol. 9 No. 3 (2025): Dinamisia: Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/dinamisia.v9i3.25197

Abstract

On Saturday, May 11, 2024, a natural disaster involving cold lahar floods and landslides occurred in Tanah Datar and Agam Regencies, West Sumatra Province. This disaster was triggered by high-intensity rainfall upstream of Mount Marapi, which caused rain-induced lahar flows. Moderate to heavy rainfall eroded and carried volcanic sediment deposits, forming lahar flows. The disaster caused significant damage, including destruction of infrastructure such as roads and bridges, public buildings like mosques and offices, residential houses, and loss of lives. In response to the disaster, Andalas University, through its Disaster Response Center Team from the Research and Community Service Institute (LPPM), conducted a site survey of the affected areas on Monday, May 13, 2024. This community service activity was carried out to assess the damaged infrastructure caused by the flash floods, providing solutions and recommendations for repair and reinforcement, and ensuring the infrastructure's usability post-disaster. This community service (PkM-P) activity was carried out using a comprehensive methodological approach employing field survey techniques. The survey was conducted to gain a clear understanding of the physical condition of the cliffs and their surrounding environment along the Padang-Bukittinggi national road at the coordinates 0°29'36"S 100°20'20"E, which are in a critical state following the Anai River flash flood. The activities included preparation and planning, field surveys, data collection and analysis, as well as reporting and recommendations. The assessment results indicated that the previously implemented methods failed to withstand the high flood pressure. Recommendations for repair and reinforcement include the construction of levees and stream diversions in the Anai River, road drainage systems, planting stronger vegetation, road realignment, and routine monitoring.
Co-Authors -, Amrizal Saidi AA Sudharmawan, AA Abdul Hakam Abinight, Akbaar Ade Kurnia Putri Adhadi Kurniawan Aditya Abdi Pratama Ahmad Junaidi Ahmad Junaidi Ahmad Junaidi Ahmad, Dzakwan Fathullah Akhmad Suraji Alfito Alfito Amrizal Saidi Andriani Andriani Andriani Andriani Andrizky Andrizky Aprisal Ari Syaiful Rahman Arifin Arian Dodi Bayu Martanto Adji, Bayu Martanto Benny Hidayat Benny Hidayat Boy, Wendy Bujang Rusman Cindy Murdiaman Guci Daoed, Darwizal Dasril Dasril Desirwan, Haikal Fikri Elvi Roza Syofyan Farah Sahara Farid Akmal Fauzan Fauzan . Febiana Maulani Febrin Anas Ismail Ferial, Rudy Firdaus Firdaus Firdaus Firdaus Fitria Yulia Geby Aryo Agista Giffari, Muhammad Al Gustia, Siti Rahmi Hadri, Ferdian Al Handayani, Yanolanda Suzantry Hendy Jaza, Muhamad James Hellyward Junaidi Junaidi Junaidi Junaidi Junaidi, Junaidi Khatab, Umar Laurency, Sonya Ostha Madjid, Tsabita Alliya Mahdi Mahdi Mahdi Mahdi, Mahdi Mochammad Imron Awalludin Muhamad Arifin Muhammad Al Giffari Narny, Yenny Nofrizal Nofrizal Nurhamidah, Nurhamidah Ophiyandri, Taufika Ophiyandri, Taufika Rahmad Yuhendra Rahmi, Yosa Anggia Rasyid, Fadillah Revalin Herdianto Ridha Sari Rina Yuliet, Rina Rinaldi Ekaputra Rinaldi Ekaputra RR. Ella Evrita Hestiandari Sakri, Harfa Saputra, Dendi Sari, Ridha Sunaryo, Budi Taufika Ophyandri Umar Khatab Wahyu Putra Utama Winda Fitria Yervi Hesna Yolla Fransiska Yossafra, Yossafra Yuliza, Yenni Zis, Sirajul Fuad