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All Journal Journal of Engineering and Technological Sciences Jurnal Teknik Sipil Jurnal Fisika FLUX Jurnal Pensil : Pendidikan Teknik Sipil Jurnal Teori dan Aplikasi Fisika TAPAK (Teknologi Aplikasi Konstruksi) : Jurnal Program Studi Teknik Sipil Inersia : Jurnal Teknik Sipil Engineering, Mathematics and Computer Science Journal (EMACS) Matriks Teknik Sipil Jurnal Geosaintek Jurnal Teknik Sipil
Rena Misliniyati
Universitas Bengkulu
Astronomy Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Transportation Other

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Mikrozonasi Resistensi Tanah Berdasarkan Variasi Kecepatan Gelombang Geser di Kawasan Pesisir Kota Bengkulu Sulastri Febiana; Lindung Zalbuin Mase; Fepy Supriani; Rena Misliniyati; Khairul Amri
Jurnal Teori dan Aplikasi Fisika Vol. 13 No. 02 (2025): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v13i02.516

Abstract

Kawasan pesisir Kota Bengkulu berada di lokasi strategis, tepatnya di pertemuan lempeng Indo-Australia dan Eurasia, sehingga menjadi daerah dengan risiko tinggi terhadap aktivitas gempa bumi. Penelitian ini bertujuan untuk membuat peta mikrozonasi sebagai representasi visual hasil analisis resistensi tanah berdasarkan nilai kecepatan gelombang geser (Vs). Metodologi yang digunakan meliputi pengumpulan data sekunder berupa data perlapisan tanah dan nilai kecepatan gelombang geser, perhitungan nilai Vs10, Vs20, Vs30, Vs40, dan Vs50, serta klasifikasi jenis tanah. Proses tersebut menghasilkan profil perlapisan tanah dan profil variasi kecepatan gelombang geser, peta sebaran Vs10, Vs20, Vs30, Vs40, Vs50, peta sebaran Kelas Situs tanah, dan peta sebaran Ground Amplification Factor (GAF). Hasil penelitian menunjukkan bahwa wilayah pesisir Kota Bengkulu memiliki resistensi tanah yang relatif sedang dikarenakan dominasi Kelas Situs tanah yaitu C (tanah keras, sangat padat, dan batuan lunak) dan D (tanah sedang). Hasil mikrozonasi resistensi tanah dapat secara konkret diintegrasikan ke dalam perancangan tata ruang melalui penetapan zona rawan gempa yang dijadikan acuan dalam penentuan jenis tata guna lahan, desain bangunan, dan standar teknis konstruksi. Penelitian ini diharapkan dapat menjadi referensi dalam upaya mitigasi bencana serta menjadi dasar perencanaan tata ruang, pengembangan wilayah, dan pembangunan infrastruktur yang lebih aman di kawasan pesisir Kota Bengkulu. Selain itu, diperlukan studi lanjutan untuk menganalisis kondisi bangunan secara lebih mendalam guna mengidentifikasi risiko spesifik terhadap prasarana yang ada, sehingga dapat dirancang strategi penguatan struktur yang tepat. Kata kunci: Mikrozonasi, Resistensi Tanah, Amplifikasi, Kecepatan Gelombang Geser (Vs), Kelas Situs
RESPONS SEISMIK DI KECAMATAN MUARA BANGKAHULU, KOTA BENGKULU MENGGUNAKAN KONSEP PERAMBATAN GELOMBANG Rena Misliniyati; Muhammad Farid; Khairul Amri; Lindung Zalbuin Mase; Fepy Supriani
Jurnal Pensil : Pendidikan Teknik Sipil Vol. 13 No. 3 (2024): Jurnal Pensil : Pendidikan Teknik Sipil
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/jpensil.v13i3.45746

Abstract

The position of Bengkulu Province, which is flanked by the subduction zone between the Euro-Asian and Indian-Australian plates to the west, and the Sumatra Fault zone to the east, makes Bengkulu City one of the areas prone to earthquake disasters. Muara Bangkahulu District is one of the sub-districts in Bengkulu City. Muara Bangkahulu sub-district is an area that functions as a government centre, trade and service centre, and one of the education centres in Bengkulu City. This study aims to determine the ground response in the Muara Bangkahulu sub-district area during an earthquake. The wave propagation method used in this study is a one-dimensional equivalent of linear and nonlinear modelling that propagates earthquake waves from bedrock to surface. The results of this study are Peak Ground Acceleration (PGA), amplification factor, earthquake acceleration time history, and acceleration spectra response. The results of this analysis will be compared between equivalent linear and nonlinear values. The results of this study can also help us realise and further consider the value of seismic design in the Muara Bangkahulu sub-district area, mainly if a stronger earthquake occurs in the future.
ANALISIS PENGARUH PENAMPANG FONDASI TERHADAP DAYA DUKUNG DAN PENURUNAN FONDASI TIANG PANCANG BANGUNAN SCADA Raihanah Naura Jinan; Rena Misliniyati; Khairul Amri; Muharram Nur Fikri; Fepy Supriani
Jurnal Pensil : Pendidikan Teknik Sipil Vol. 14 No. 3 (2025): Jurnal Pensil : Pendidikan Teknik Sipil
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/jpensil.v14i3.59178

Abstract

Bengkulu is an area with the potential risk of the Mentawai Pagai Megathrust subduction earthquake; it is necessary to evaluate the bearing capacity and foundation settlement of the building. This study aims to analyse the influence of variations in dimensions and cross-sectional shapes on the bearing capacity and foundation settlement of the Scada building using the Poulos and Davis method, the Reese and Wright method, the Luciano Decourt method, and the finite element method. Based on the results of the Standard Penetration Test (SPT), the influence of variations in shape, namely square and circular, with dimensions of 300 mm, 400 mm, and 500 mm, as well as depths of 7m, 9m, 11m, and 13m, affects the bearing capacity and foundation settlement. The analysis was conducted by comparing the bearing capacity and settlement of pile foundations in the Scada building using various methods. The analysis results show that the bearing capacity, deflection magnitude, and smallest settlement are below the permitted settlement limit, i.e., less than 10% of the foundation dimensions. The comparison between static and numerical methods, or the Bearing Capacity Ratio (BCR) approaching 1, is more efficient and safer to use. In this analysis, the BCR value closest to 1 was obtained for a 500 mm foundation using the Reese and Wright method at a depth of 9 m, yielding a bearing capacity of 312.04 tonnes for a single pile and 207.69 tonnes for a pile group.
ANALISIS PENURUNAN TANAH LUNAK TERHADAP PERKERASAN JALAN KAKU MENGGUNAKAN METODE ELEMEN HINGGA (Studi Kasus: Jalan Srijaya Raya, Kota Palembang) Nurul Fadhilah; Lindung Zalbuin Mase; Hardiansyah Hardiansyah; Rena Misliniyati; Khairul Amri
Matriks Teknik Sipil Vol 13, No 1 (2025): Juni
Publisher : Program Studi Teknik Sipil FT UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/mateksi.v13i1.102203

Abstract

Rigid pavement is a commonly used pavement in soft subgrade conditions because it can anticipate soil subsidence in the transverse and longitudinal directions of the roadway as a result of uneven load distribution due to inhomogeneous soil. Road pavement that is passed by excessive loads will cause the road to experience soil subsidence which will also affect the soil layer below so that research on the problem is needed. This research uses the finite element method which aims to determine the vertical settlement of soil (Uy), the maximum settlement of 3650 days, and the safety factor (Msf) that occurs in soft soil layers against rigid pavement on Srijaya Raya road, Palembang City. The soil characteristics on Srijaya Raya Road are dominated by clay soil with low to medium plasticity which is dominantly soft so that it can cause significant road damage if maintenance is not carried out. Based on the research, it was found that the maximum subsidence value of the distributed load was at STA 0 + 806 at point BH-02 located at the Air Waru Bridge towards Indralaya, which was -0.04847 m with a safety factor of 1.650 and the maximum subsidence for 3650 days was at STA 2 + 103 at point BH-04 located at the Air Kenanga Bridge towards Palembang of -0.539 m.Keywords: finite element method; rigid pavement; safety factor; settlement.
ANALISIS RESPON SEISMIK NONLINIER DI KABUPATEN BANTUL AKIBAT GEMPA BANTUL 2023 Nurul Dwi Endarina; Lindung Zalbuin Mase; Muharram Nurfikri; Rena Misliniyati; Hardiansyah Hardiansyah
TAPAK [Teknologi Aplikasi Konstruksi] : Jurnal Program Studi Teknik Sipil Vol 15 No 2 (2026): Mei 2026
Publisher : Prodi Teknik Sipil Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/tp.v15i2.5182

Abstract

Kabupaten Bantul merupakan wilayah dengan tingkat kerentanan gempa yang tinggi akibat aktivitas tektonik zona subduksi di selatan Pulau Jawa, sehingga analisis respon seismik berbasis kondisi tanah lokal menjadi penting untuk mendukung perencanaan struktur tahan gempa. Penelitian ini bertujuan untuk menganalisis respon seismik nonlinier tanah akibat Gempa Bantul 2023 melalui parameter Peak Ground Acceleration (PGA), percepatan respon spektra, dan faktor amplifikasi. Metodologi penelitian menggunakan model atenuasi NGA-Subduction untuk menghasilkan percepatan spektral sebagai target spectral matching, yang selanjutnya digunakan sebagai input motion dalam analisis respon tanah satu dimensi nonlinier menggunakan perangkat lunak DeepSoil Versi 7. Data tanah diperoleh dari hasil Standard Penetration Test (SPT) pada empat titik penelitian, serta klasifikasi kelas situs ditentukan berdasarkan nilai Vs30. Hasil penelitian menunjukkan nilai Vs30 berkisar antara 259–412 m/s dengan dominasi kelas situs D dan satu titik kelas C, nilai PGA permukaan sebesar 0,047–0,063 g, serta faktor amplifikasi antara 0,91–1,25. Respon spektra di permukaan umumnya meningkat pada periode pendek dibandingkan input motion, namun masih berada di bawah spektra desain SNI 1726:2019. Penelitian ini menyimpulkan bahwa kondisi tanah lokal berperan signifikan dalam memodifikasi respon gempa dan berkontribusi dalam pengembangan analisis bahaya seismik berbasis lokasi spesifik
STUDI RESISTENSI TANAH BERDASARKAN VARIASI KEDALAMAN KECEPATAN GELOMBANG GESER (Vs) DI KECAMATAN SELEBAR, KOTA BENGKULU Dedi Setiawan; Lindung Zalbuin Mase; Fepy Supriani; Rena Misliniyati; Khairul Amri
Jurnal Geosaintek Vol. 11 No. 2 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25023659.v11i2.3075

Abstract

Kecamatan Selebar merupakan salah satu kecamatan di Kota Bengkulu yang memiliki beberapa infrastruktur vital. Kondisi geologi yang beragam dan aktivitas seismik yang masif menjadikan kawasan ini sebagai lokasi penting dalam studi geoteknik. Penelitian ini bertujuan untuk mengeksplorasi hubungan antara kecepatan gelombang geser (Vs) terhadap resistensi tanah di Kecamatan Selebar berdasarkan parameter kecepatan gelombang geser rata-rata (Vs) pada kedalaman 10 hingga 50 m (Vs10, Vs20, Vs30, Vs40, dan Vs50), kelas situs dan Ground Amplification Factor (GAF). Penelitian ini menggunakan data sekunder dari perekaman mikrotremor sebanyak 40 titik yang kemudian dianalisis dan divisualisasikan dalam bentuk peta sebaran dua dimensi berbasis Geographic Information System (GIS). Interpolasi spasial dilakukan menggunakan metode Ordinary Kriging dengan Spherical Semivariogram Model dan Inverse Distance Weighting (IDW) untuk memperoleh distribusi sebaran yang lebih akurat. Hasil penelitian menunjukkan bahwa nilai Vs10, Vs20, Vs30, Vs40, dan Vs50 di Kecamatan Selebar berkisar antara 100 hingga 1.100 m/s, dengan peningkatan kekakuan tanah seiring bertambahnya kedalaman. Kecamatan Selebar didominasi oleh kelas situs C, dengan beberapa zona B dan D, serta GAF antara 0.9 hingga 1,7. Penelitian ini diharapkan dapat memberikan gambaran mengenai respons tanah dan dapat menjadi referensi dalam upaya mitigasi serta pertimbangan dalam perencanaan pembangunan infrastruktur tahan gempa di Kecamatan Selebar, Kota Bengkulu.
ANALISIS HIDRAULIK DAS AIR TETAP MENGGUNAKAN HEC-RAS UNTUK SISTEM PERINGATAN DINI BANJIR Satria Dimas Syaiful; Gusta Gunawan; Khairul Amri; Besperi; Rena Misliniyati
Jurnal Teknik Sipil Vol 10 No 1 (2026): Jurnal Gradasi Teknik Sipil - Juni 2026
Publisher : P3M Politeknik Negeri Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31961/gradasi.v10i1.15298

Abstract

Banjir di Kabupaten Kaur sering terjadi akibat meluapnya Sungai Air Tetap yang tidak mampu menampung debit banjir pada saat curah hujan tinggi. Penelitian ini bertujuan untuk menganalisis debit banjir rencana dan kapasitas sungai, serta menyusun dasar pengembangan Flood Early Warning System (FEWS). Metode yang digunakan untuk pemodelan hidrologi adalah Hidrograf Satuan Sintetik (HSS) Nakayasu dan pemodelan hidrolika menggunakan HEC-RAS. Debit banjir yang dimodelkan adalah debit rencana untuk kala ulang 2, 5, 10, 25, 50, dan 100 tahun. Hasil dari pemodelan hidrologi untuk masing-masing kala ulang tersebut sebagai berikut 69,057 m³/detik; 82,666 m³/detik; 89,110 m³/detik; 95,565 m³/detik, 99,480 m³/detik; 107,883 m³/detik. Hasil dari pemodelan hidrolika menunjukkan tinggi muka air luaran model melampaui tinggi tebing sungai kiri dan kanan dari hulu sampai hilir. Kesimpulan dari penelitian ini adalah sungai Air Tetap sudah tidak mampu lagi menampung aliran air hujan yang jatuh pada DAS tersebut. Oleh karena itu keberadaan FEWS sudah merupakan sesuatu yang sangat penting dan mendesak untuk mitigasi bencana banjir.
Integrating Finite Element Analysis and Machine Learning to Predict the Bearing Capacity of Strip Footings on Slopes Aditya Dwi Kurniawan; Lindung Zalbuin Mase; Muharram Nur Fikri; Rena Misliniyati; Aidil Fitriansyah
Engineering, MAthematics and Computer Science Journal (EMACS) Vol. 8 No. 2 (2026): EMACS (In Press)
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/emacsjournal.v8i2.16161

Abstract

Predicting the ultimate bearing capacity (qult) of strip footings on slopes remains a major challenge in geotechnical engineering, as classical methods were developed for level ground and lose reliability for complex slope-foundation geometries. Although finite element analysis (FEA) provides better accuracy, its high computational cost limits large-scale parametric studies. This study proposes a hybrid FEA–machine learning (ML) framework to estimate qult of strip footings on slopes, overcoming the accuracy limitations of existing analytical solutions for different slope-foundation configurations. The dataset of 600 finite element simulations was developed under the Mohr-Coulomb plane strain constitutive framework. Six variables were examined: unit weight (γ), cohesion (c), friction angle (φ), applied load (P), foundation width (B), and embedment depth (Df). Seven predictive models were developed: multiple linear regression, polynomial regression, support vector regression, decision trees, random forests, k-nearest neighbors, and extreme gradient boosting (XGBoost). Model performance was assessed using R², RMSE, MAPE, and the a20 index, with R² and RMSE as the primary ranking criteria, while Shapley Additive Explanations (SHAP) were applied to interpret feature contributions. XGBoost has the highest prediction accuracy on both the training and test datasets. It is followed by Support Vector Regression (SVR). The most influencing parameter in all seven models was the foundation depth (Df), followed by the friction angle (φ) and the foundation width (B), while the slope angle consistently decreased the predicted bearing capacity. The results confirm the accuracy, interpretability, and computational efficiency of the integrated FEA-ML approach as an alternative to traditional bearing capacity analysis.
Characteristics of Cohesive Soil Tanjung Jaya area of Bengkulu City and Its Implementation in Geotechnical Design M. Afra Junasiq; Rena Misliniyati; Lindung Zalbuin Mase; Hardiansyah Hardiansyah; Fepy Supriani
Teras Jurnal : Jurnal Teknik Sipil Vol. 15 No. 1 (2025): Volume 15 Nomor 1, Maret 2025
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v15i1.1214

Abstract

Abstrak Pembangunan konstruksi di Indonesia terus meningkat seiring dengan meningkatnya kebutuhan infrastruktur. Kota Bengkulu, ibukota Provinsi Bengkulu, juga mengalami pembangunan infrastruktur yang signifikan dalam beberapa tahun terakhir. Penelitian ini bertujuan untuk mengidentifikasi karakteristik tanah kohesif di kawasan Tanjung Jaya, Kota Bengkulu, dan penerapannya dalam mendesain fondasi dangkal. Tahap awal penelitian ini meliputi pengambilan sampel, kemudian dilanjutkan dengan pengujian sifat-sifat fisis tanah, seperti kadar air, berat volume, berat jenis, analisa ukuran butiran, dan Atterberg Limits. Dari hasil pengujian tersebut, tanah di lokasi tersebut diklasifikasikan sebagai lanau elastis (MH). Pengujian sifat mekanis dilakukan melalui uji kuat tekan bebas dan konsolidasi. Pemodelan fondasi berdasarkan sifat fisis dan mekanis tanah, dilakukan dengan menggunakan aplikasi berbasis metode elemen hingga pada satu titik sampel, dengan menggunakan nilai terendah dari kuat tekan bebas (qu) dan kuat geser (Su) dari dua titik uji pada kedalaman 0,75 m dan 1 m, serta variasi lebar fondasi untuk pendekatan yang lebih konservatif. Faktor keamanan terkecil yang diperoleh adalah 1,440, dan terbesar adalah 4,654, dengan beban vertikal maksimum mencapai 109,30 kN/m² pada kedalaman 1 m dan lebar fondasi 2 m.Kata kunci: Tanah kohesif, sifat fisis, sifat mekanis, metode elemen hingga, fondasi dangkal  Abstract Construction development in Indonesia continues to increase in line with the growing demand for infrastructure. The City of Bengkulu, the capital of Bengkulu Province, has also seen significant infrastructure development in recent years. This study aims to identify the characteristics of cohesive soil in the Tanjung Jaya area, Bengkulu City, and its application in designing shallow footing. The initial phase of the study includes sample collection, followed by tests of the soil's physical properties, such as moisture content, volume weight, specific gravity, grain size analysis, and Atterberg Limits. The results classify the soil in this location as elastic silt (MH). Mechanical properties testing was assessed through unconfined compressive strength and consolidation tests. Foundation modeling, based on the soil's physical and mechanical properties, was conducted using a finite element method-based application at one sample point, utilizing the lowest values of unconfined compressive strength (qu) and shear strength (Su) from the two test points at depths of 0.75 m and 1 m, as well as Foundation width variations, for a more conservative approach. The most minor safety factor obtained was 1.440, and the largest was 4.654, with the maximum vertical load reaching 109.30 kN/m² at a depth of 1 m and a foundation width of 2 m. Keywords: Cohesive soil, physical properties, mechanical properties, element method, shallow footing
3D Geospatial Analysis of Soil Unit Weight Using the Radial Basis Function (RBF) and Ordinary Kriging (OK) Methods in Ketahun Sub-district, North Bengkulu Nafisa Auliya; Lindung Zalbuin Mase; Khairul Amri; Rahmat Fahrizal; Rena Misliniyati; Hardiansyah -
Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat Vol 23, No 2 (2026): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v23i2.25927

Abstract

Ketahun is one of the areas in North Bengkulu Regency, Bengkulu Province, which is affected by seismic activity, with geological conditions dominated by sedimentary from Bintunan Formation, which influence soil characteristics for geotechnical planning. Previous research on three-dimensional (3D) geospatial modeling in Bengkulu region was generally limited to soil technical parameters, while  soil unit weight parameters were rarely used. This study aims to make 3D modeling of subsurface structure and soil unit weight distribution (γsat, γb, and γd) in Ketahun using geospatial approach. The research utilize data from field investigations at 15 Cone Penetration Test (CPT) points, which were then empirically correlated determine soil unit weight values. The 3D modeling was built using Leapfrog Geo application, through the Implicit Geological Modeling approach based on Radial Basis Function (RBF), while the distribution of bulk density parameters was estimated using Ordinary Kriging (OK). The validation results showed an R2 (0,95 - 0,96), RMSE (0,48 – 0,55), and MAE (0,34 – 0,46) proving that this 3D model is able to represent the spatial distribution of soil parameters measurably, with consistence parameter relationships, where γsat > γb > γd. The average values obtained for untuk  γsat is 19,77 kN/m3, γb is 19,67 kN/m3, and γd is 15,82 kN/m3. The results of this study are expected to provide insight into the subsurface and distribution of bulk density to further geotechnical analysis for support the planning of earthquake-resistant building structures.
Co-Authors . Hendriyawan Aditya Dwi Kurniawan Aidil Fitriansyah Andhika Sahadewa Arif Ismul Hadi Besperi Besperi Besperi Darmawan Ikhlas Fadli Dedi Setiawan Fepy Supriani FX Toha Gusta Gunawan Hardiansyah - Hardiansyah Hardiansyah Hasnul Efendi I Wayan Sengara Indri Novtrisa Khairul Amri Lindung Zalbuin Mase M. Afra Junasiq Makmun R. Razali Masyhur Irsyam mawardi mawardi Muhammad Ali Muhammad Farid Muharram Nur Fikri Muharram Nurfikri Nafisa Auliya Nurul Dwi Endarina Rahmat Fahrizal Raihanah Naura Jinan Redho Muktadir Refrizon Refrizon Samsul Bahri Satria Dimas Syaiful Sulastri Febiana