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All Journal Inersia : Jurnal Teknik Sipil dan Arsitektur FROPIL (Forum Profesional Teknik Sipil) Jurnal Rekayasa Sipil AMALIAH: JURNAL PENGABDIAN KEPADA MASYARAKAT SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi dan Aplikasi) Community Empowerment Journal of Civil Engineering and Planning (JCEP) Jurnal Bangunan: Konstruksi & Desain
Arif, Maulana
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Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Public Health Social Sciences Transportation

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Stability Modeling of Groyne-Type Structure with Embankment in Pelangai River, Pesisir Selatan Regency, West Sumatra Zulhendra, Riko; Arif, Maulana; Adi Putra; Dicky Febri Hadi
Journal of Civil Engineering and Planning (JCEP) Vol. 5 No. 2 (2024)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v5i2.10007

Abstract

Erosion is one of the exogenic processes that commonly occur around river dynamics. Intensive erosion occurs at the riverbank area, which has the potential to cause the slope on that side to collapse. Therefore, a groyne-type structure is required to prevent this from happening. A groyne-type structure is planned to reduce the impact of erosion in the Pelangai River with embankment. This research aims to determine the stability of the groyne with embankment design using Plaxis 2D software. Plaxis 2D modeling uses soil input parameters based on CPT, SPT, and groyne structure with approximation parameters. The modeling results show that with the addition of groyne, embankment and traffic load, the safety number drops from 1.906 to 1.241. This figure does not meet the safe number limit according to SNI Geotechnical 8460 of 2017, which requires a minimum safe number of 1.25. In addition, the addition of groyne, embankment, and traffic load resulted in soil settlement of up to 6.3 cm, which is still considered safe.
Studi Pemanfaatan Limbah Penambangan Granit pada Karakteristik Kekuatan Tanah Laterit untuk Konstruksi Timbunan Jalan Irwan, Andesta Granitio; Arif, Maulana; Bayu, Hendi Hendra; Aditiawan, Riski; Panita, Shakila
Jurnal Rekayasa Sipil (JRS-Unand) Vol. 20 No. 3 (2024)
Publisher : Civil Engineering Departement, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jrs.20.3.136-148.2024

Abstract

Local laterite soil in the Bangka Belitung Islands is one of the main materials in civil engineering construction, especially embankments. Several studies related to laterite soil suggest that laterite soil is often damaged by water and also causes reduced compaction. This study aims to identify the specifications and characteristics of laterite soil as embankment construction with the addition of granite dust waste as a mixture to stabilize the soil as an embankment. The study was conducted on a laboratory scale by testing the physical and mechanical properties of the original soil and granite dust mixture according to the mixture scheme of 0%, 5%, 10%, 15%, 25% and 30%. The results show that local laterite soil is included in the Silty Clay group with medium-low plasticity, the addition of granite dust changes the characteristics of the soil so that there is a decrease in the plasticity value which is specifically suitable for embankments. The addition of granite dust makes soil compaction easier with increased density and decreased water content, optimal compaction occurs in a mixture of 30% granite dust. The addition of granite dust increases the CBR value of the soil so that it enters the road embankment specification requirements, namely >6% for a mixture of 5-15% and optimally at 10%. Compressive strength testing shows that the increase in compressive strength after the addition of granite dust mixture where the 10% mixture is the condition of the soil having optimal strength under axial load.
Empowering Tourism Awareness Group Based on Sapta Pesona Concept to Actualize Agro-Tourism Villages in West Bangka Arif, Maulana; Haiyudi, Haiyudi; Teu, Teng
SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi dan Aplikasi) Vol. 4 No. 1 (2023)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/spekta.v4i1.7613

Abstract

Background: To be financially independent village seems to be a must to support the local economic freedom. Tourism becomes one among some promising sectors. However, the low level of local understanding towards the concept of agro-tourism is much needed to support the local government development, especially in Tebing Village, West Bangka. Contribution: The purpose of this program is to support the actualization of an agro-tourism village based on green rice fields through the formation of a tourism awareness group and counseling on the concept, role and function of it in Tebing village, Sub-district of Kelapa, West Bangka Regency. Method: The method employed is by assisting, mapping and giving a lecture on the concept of tourism awareness groups to actualize the agro-tourism village in Tebing Village, West Bangka. Results: The result is proved by the formation of a tourism awareness group (Pokdarwis) in Tebing village. Besides, the growth of awareness and understanding related to the Sapta Pesona was well comprehend as qualitatively evaluated by interviewing the community. Finally, the mapping process of the location of agro-tourism was done using DJI Phantom 4 Pro. Conclusion: Existing natural resources can be utilized to increase income financially through agro-tourism villages. In addition, the happiness index can also be increased by the presence of green open space or agro-tourism nearby as a rest area from Pangkalpinang to Muntok or vice versa, as the village is located in the main route of it. Finally, this service still requires further assistance until the agro-tourism village can be established and support the village's independent income and the welfare of the local community
Eco-friendly feed innovation: An effective strategy to reduce fish mortality rates in Central Bangka Priyansah, Sujadi; Dalimunthe, Nurzaidah Putri; Sembiring, Juhardi; Arif, Maulana; Kurnia, Feni; Syafutra, Randi; Adibrata, Sudirman; Lingga, Rahmad
Community Empowerment Vol 10 No 4 (2025)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ce.10673

Abstract

Former tin mining land (known locally as camoy or kulong) has the potential to be utilized as fish cultivation land. Kulong possesses potential for fish farming due to its age, which supports the availability of trophic minerals essential for fish life. Fish farmers frequently encounter problems with disease outbreaks and mortality caused by pathogens, leading to low production yields. Improving the quality of the cultivation environment, including reducing sedimentation from commercial feed, is one solution to mitigate fish diseases and mortality. This community service aims to provide training on environmentally friendly feed for fish farmers through training and mentoring in its application. The program successfully enhanced the partners' ability to produce cost-effective (organic) environmentally friendly feed from agricultural waste (oil palm kernel meal, dregs, bran), which demonstrably improved the quality of the cultivation environment, reduced fish diseases and mortality, and has the potential to increase the quality and quantity of fish production.
Research Growth in the Topic of Soil Liquefaction between Indonesia and New Zealand: A Bibliometric Analysis from Scopus Database Arif, Maulana; Zulhendra, Riko
Journal of Civil Engineering and Planning (JCEP) Vol. 6 No. 1 (2025)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v6i1.10318

Abstract

Soil liquefaction is important in geotechnical engineering, particularly in seismically active areas like Indonesia and New Zealand. With an emphasis on publications written by researchers from Indonesia and New Zealand between 2015 - 2025, This research is a bibliometric analysis that uses data from the Scopus database and the VOS viewer application to assist in interpreting the gathered bibliometric data. The author from New Zealand (Misko Cubrinovski) seems to be the most productive in researching and writing related to soil liquefaction, with 48 articles. Authors from Indonesia are relatively more evenly distributed, with 10-20 articles dominated by Sito Ismanti, Lindung Zalbuin Mase, and Teuku Faisal Fathani. In addition, compared to Indonesian institutions, New Zealand institutions are more likely to collaborate with external parties such as the United States (University of California, University of Texas, University of Washington, etc.), enabling them to obtain greater funding to encourage research productivity. The research map used Scopus RIS data showing three clusters: red (general liquefaction terms), blue (New Zealand-focused, e.g., CPT and shear waves), and green (Indonesia-focused, e.g., seismic response). Minor clusters (purple, yellow) link related topics.
Seismic Risk and Vulnerability Assessment of Mid-Rise Steel Building with Soft Story Effects Ridho Aidil Fitrah; Maulana Arif; Zev Al Jauhari
Journal of Civil Engineering and Planning (JCEP) Vol. 7 No. 1 (2026): JCEP
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v7i1.12311

Abstract

Soft-story irregularity is a critical form of vertical structural irregularity that significantly increases the seismic vulnerability of mid-rise steel buildings. This condition commonly occurs when the ground floor has substantially lower lateral stiffness than the upper stories due to the absence or reduction of masonry infill walls. During earthquakes, seismic demands concentrate at the weaker story, resulting in excessive inter-story drift and rapid stiffness degradation. This study evaluates the seismic performance and fragility of a seven-story steel moment-resisting frame with a soft-story configuration at the first floor. A three-dimensional numerical model was developed in ETABS and analyzed using nonlinear static pushover analysis in both principal directions. Structural properties were designed according to SNI 1729:2020, while seismic loading was based on the response spectrum specified in SNI 1726:2019 for Padang City. The resulting capacity curves were converted into the Acceleration–Displacement Response Spectrum (ADRS) format to define four performance limit states: Slight, Moderate, Extensive, and Complete Damage. Fragility curves were subsequently developed using lognormal cumulative distribution functions and HAZUS methodology to estimate the probability of exceeding each damage state under increasing spectral displacement demands. The results indicate that seismic deformation is concentrated at the soft-story level, causing significant stiffness degradation and reduced post-yield capacity. The fragility analysis reveals an increasing probability of severe damage with increasing seismic demand, confirming that soft-story irregularity substantially increases the collapse potential of mid-rise steel buildings in high-seismic regions.
ANALISIS PERBANDINGAN DAYA DUKUNG AKSIAL DAN PENURUNAN FONDASI TIANG PANCANG BERDASARKAN BEBERAPA METODE INTERPRETASI DATA SONDIR Rina Yuliet; Riko Zulhendra; Maulana Arif; Shafira Ayasha
Jurnal Bangunan, Konstruksi & Desain Vol 4 No 2 (2026): Juni 2026
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbkd.4.2.148-161.2026

Abstract

Perbedaan formulasi empiris berbasis data sondir dapat menghasilkan estimasi kapasitas daya dukung fondasi tiang yang berbeda, sehingga diperlukan evaluasi menggunakan beberapa metode untuk memperoleh desain fondasi yang aman dan efisien. Penelitian ini bertujuan membandingkan kapasitas daya dukung aksial dan penurunan fondasi tiang pancang pada Proyek Gedung Pelayanan BPKB Ditlantas Polda Sumatera Barat berdasarkan dua titik pengujian sondir. Kapasitas daya dukung aksial tiang tunggal dianalisis menggunakan metode Meyerhof, LCPC atau Bustamante dan Gianeselli, serta Nottingham–Schmertmann. Kapasitas kelompok tiang dianalisis menggunakan pendekatan jumlah kapasitas tiang tunggal dan pendekatan blok, sedangkan penurunan kelompok tiang dihitung menggunakan metode Meyerhof dan dibandingkan dengan batas penurunan yang diizinkan. Beban aksial maksimum hasil pemodelan struktur adalah sebesar 1.967,344 kN. Hasil analisis menunjukkan bahwa kapasitas daya dukung ultimit tiang tunggal berada pada rentang 2.451,664–3.811,212 kN. Nilai tertinggi diperoleh menggunakan metode LCPC pada Sondir 2, sedangkan nilai terendah diperoleh menggunakan metode Nottingham–Schmertmann pada Sondir 1. Perbedaan hasil antar metode terutama dipengaruhi oleh besarnya kontribusi tahanan ujung dan tahanan sisi, dengan metode LCPC menunjukkan sensitivitas yang lebih tinggi terhadap variasi data sondir. Pada konfigurasi kelompok yang terdiri atas empat tiang, diperoleh efisiensi kelompok sebesar 1,00 dan kapasitas daya dukung izin seluruh metode lebih besar daripada beban struktur. Penurunan kelompok tiang berkisar antara 0,431–0,666 cm dan masih berada di bawah batas penurunan izin. Dengan demikian, fondasi tiang pancang yang direncanakan memenuhi persyaratan keamanan terhadap daya dukung aksial dan penurunan.
Stability Evaluation of Tiered Retaining Walls Supporting an Islamic Boarding School Dormitory in Solok City Riko Zulhendra; Maulana Arif; Nabila Siti Burnama; Febiana Maulani; Febi Putri Yastari; Jeply Murdiaman Guci; Dwi Jenita Maharani
Jurnal Bangunan, Konstruksi & Desain Vol 4 No 2 (2026): Juni 2026
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbkd.4.2.162-174.2026

Abstract

This study evaluates the stability of tiered gravity retaining walls supporting an Islamic boarding school dormitory in Solok City, Indonesia. The investigation was motivated by observed ground deformation, surface erosion, and damage to structures located near the slope. Subsurface conditions were characterised using cone penetration test data from two investigation points, CPT-1 and CPT-2. The CPT results were interpreted to establish soil stratigraphy and estimate the geotechnical parameters required for numerical analysis. A two-dimensional finite element model was developed using the Mohr–Coulomb constitutive model, incorporating the existing slope geometry, soil layers, dormitory loads, groundwater conditions, and retaining wall dimensions designed in accordance with SNI 8460:2017. Slope stability was evaluated using the shear strength reduction method. The existing slope produced a factor of safety of 2.43, indicating a relatively high stability margin against deep-seated failure. After the addition of the tiered retaining walls, the factor of safety increased to 2.60, corresponding to an improvement of approximately 7%. The results indicate that the retaining walls improve stability by supporting the stepped ground and restricting lateral soil movement. However, the relatively small increase suggests that the overall response remains primarily governed by the soil properties and slope geometry. Since both calculated safety factors exceeded 2.0, the observed damage was inferred to be more closely associated with shallow surface erosion and local soil loss during rainfall rather than global slope failure. These erosion processes were not explicitly modeled and represent a limitation of the study. Effective drainage and erosion protection are therefore essential to complement the proposed retaining wall system.
PENGEMBANGAN MODEL PREDIKSI KECEPATAN ALIRAN SUNGAI BERDASARKAN VARIABILITAS CURAH HUJAN MENGGUNAKAN METODE REGRESI Nabila Siti Burnama; Maulana Arif; Riko Zulhendra
Jurnal Bangunan, Konstruksi & Desain Vol 4 No 2 (2026): Juni 2026
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbkd.4.2.175-185.2026

Abstract

Sungai Kuranji merupakan salah satu sungai utama di Kota Padang, Sumatera Barat. Hulu sungai ini berada di area permukiman, pusat perdagangan, dan pusat pendidikan. Oleh karena itu, bagian hulu Sungai Kuranji rawan tergenang banjir dan membutuhkan perencanaan mitigasi bencana yang memadai. Pemanfaatan machine learning untuk meningkatkan mitigasi bencana, seperti prediksi dan peringatan dini banjir. Machine learning mempermudah pekerjaan manusia dengan mempelajari data yang diberikan, sehingga dapat mempercepat serta meningkatkan perhitungan dan analisis hidrologi, hidrolika, dan lain-lain dalam waktu yang lebih singkat. Pada penelitian ini, kecepatan aliran saluran diprediksi menggunakan metode regresi, yaitu regresi linier dan regresi logistik. Data masukan yang digunakan adalah data curah hujan, kecepatan aliran, dan geometri sungai. Kondisi aliran dibagi menjadi dua, yaitu saat curah hujan rata-rata dan saat curah hujan ekstrem. Data dibagi menjadi 70% untuk training dan 30% untuk testing. Validasi hasil prediksi model menggunakan koefisien korelasi (R²), di mana model dikatakan berhasil jika nilai koefisien korelasi di atas 0,8 atau 80%. Validasi hasil prediksi kecepatan aliran menggunakan metode regresi linier menunjukkan nilai R² untuk kecepatan aliran rata-rata sebesar 0,52 dan untuk kecepatan aliran maksimum sebesar 0,59. Sedangkan validasi untuk model dengan metode regresi logistik menghasilkan kecepatan aliran rata-rata sebesar 0,32 dan kecepatan aliran maksimum sebesar 0,36. Penelitian selanjutnya dapat menambahkan jumlah data masukan dan variabel prediksi untuk meningkatkan pembelajaran machine learning, sehingga model prediksi yang dihasilkan memberikan hasil yang lebih baik.
Co-Authors Adi Putra Adibrata, Sudirman Aditiawan, Riski Agci Hikmawati Altiarika, Eka Andesta Granitio Irwan Ayuni Ristanti Bayu, Hendi Hendra Burnama, Nabila Siti Dalimunthe, Nurzaidah Putri Dicky Febri Hadi Donna Oktaviani Dwi Indra Aprilliandari Febi Putri Yastari Febiana Maulani Feni Kurnia, Feni Fitriana, Fifin Haiyudi, Haiyudi Ilpandari Ilpandari Ilpandari Ilpandari Istilanjar Sari Jauhari, Zev Al Jeply Murdiaman Guci Lingga, Rahmad Maharani, Dwi Jenita Meilani Adriyati Panita, Shakila Priyansah, Sujadi Randi Syafutra Rasmiati Rasmiati Ridho Aidil Fitrah Sembiring, Juhardi Shafira Ayasha Sintia Sintia Teu, Teng Yudistira Bagus Pratama Yuliet, Rina Zulhendra, Riko