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All Journal Inersia : Jurnal Teknik Sipil dan Arsitektur Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa Jurnal Konstruksia REKAYASA Journal of Advanced Civil and Environmental Engineering RACIC : Rab Construction Research AGREGAT Jurnal Aplikasi Teknik Sipil Jurnal Pensil : Pendidikan Teknik Sipil EPI International Journal of Engineering Nusantara Science and Technology Proceedings Extrapolasi Jurnal Teknik Sipil AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) KERN : Jurnal Ilmiah Teknik Sipil Jurnal Talenta Sipil JITSi : Jurnal Ilmiah Teknik Sipil RESLAJ: Religion Education Social Laa Roiba Journal Journal of Civil Engineering and Vocational Education Advance Sustainable Science, Engineering and Technology (ASSET) Media Konstruksi : Jurnal Ilmiah Teknik Sipil Jurnal Abdi Karya Sipil Jurnal Ilmiah Teknik Sipil Open Access DRIVERset
Dian Purnamawati Solin
Civil Engineering Department, Faculty Of Science And Technology, Universitas Pembangunan Nasional “Veteran” Jawa Timur, Surabaya, Indonesia.
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Modification Effect of Stone Column Dimensions and Configuration on Bearing Capacity Efficiency and Settlement in Soft Soils Putri, Karin Dwi Jayanti; Solin, Dian Purnamawati; Farichah, Himatul
CIVED Vol. 10 No. 3 (2023): September 2023
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v10i3.323

Abstract

In airport construction, one crucial aspect to consider is the condition of the underlying soil on the runway. Following soil investigations at X project, it was determined that the soil condition is primarily characterized by soft soil layers, with Standard Penetration Test (SPT) values ranging from 4 to 10. In response to this condition, soil reinforcement was carried out using the stone column method. The objective of this study was to compare the bearing capacity and settlement of stone columns under various dimensional variations (spacing of 1.5 m, 2.0 m, 2.2 m; diameters of 0.4 m, 0.5 m, 0.6 m) and configuration patterns (square and triangular). Bearing capacity calculations were done manually, and settlement calculations were performed both manually and with the assistance program. The results were presented in tables and graphs. Using the FHWA method for bearing capacity calculations, it was found that bearing capacity increases as the diameter is increased and the spacing is reduced. Conversely, bearing capacity decreases as the diameter is reduced and the spacing is increased. The ultimate bearing capacity value for the triangular pattern installation exceeded that of the square pattern. Regarding settlement calculations after manual stone column installation, it was observed that settlement decreases as the diameter increases and the spacing between columns decreases. Settlement increases under opposite conditions. Settlement calculations using the Plaxis program focused on diameter and spacing between stone columns. During the service life, the highest settlement occurred with the triangular pattern, while the square pattern exhibited the lowest settlement.
Analisa Perbandingan Daya Dukung Pondasi Borepile dengan Perbesaran Dimensi Ujung Pondasi Berdasarkan Data N-Spt pada Proyek Jembatan Naufal Angger Wasesa; Dian Purnamawati Solin; Bagas Aryaseta
MEDIA KONSTRUKSI Vol. 10 No. 3 (2025)
Publisher : Jurusan Teknik Sipil, Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/jmk.v10i3.186

Abstract

Pondasi bored pile, yang sering digunakan dalam konstruksi jembatan, memiliki daya dukung yang dipengaruhi oleh gesekan selimut dan tahanan ujung tiang, di mana peningkatan dimensi ujung pondasi dapat secara signifikan meningkatkan kapasitas dukung ujung (end bearing capacity) dan kapasitas dukung total. Penelitian ini mengadopsi pendekatan deskriptif dengan memanfaatkan data proyek, membandingkan kinerja pondasi bored pile berdiameter 1 meter dan 1,85 meter (dengan ujung berbentuk bel) pada kedalaman 20 meter. Data N-SPT dikoreksi terhadap prosedur lapangan, tekanan overburden, dan muka air tanah sebelum digunakan dalam analisis. Perhitungan daya dukung dilakukan menggunakan dua metode analitis yaitu Nakazawa dan Luciano Decourt, serta dengan pendekatan program bantu untuk pengolahan data yang lebih akurat. Hasil analisis menunjukkan bahwa pondasi tanpa perbesaran ujung tiang memiliki daya dukung ultimate sebesar 1398,94 Ton dibandingkan dengan pondasi yang diperbesar pada ujung tiang sebesar 2717,72 Ton mengindikasikan peningkatan daya dukung sebesar 92% dengan perbesaran menurut metode Nakazawa. Perbandingan antara metode analitis dan program bantu menunjukkan variasi hasil, namun metode Nakazawa dinilai memberikan hasil yang lebih akurat dan mendekati perhitungan program bantu.
Studi Perbandingan Daya Dukung dan Penurunan Fondasi Tiang Pancang Dengan Variasi Dimensi Pada Struktur Jembatan Jalan Tol Abidin Isa Alhabsyi, Ali Zainal; Purnamawati, Dian Solin; Farichah, Himatul
EXTRAPOLASI Vol. 22 No. 02 (2025)
Publisher : Universitas 17 Agustus 1945 Surabaya

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

Abstract

Abstrak Fondasi tiang dalam, seperti tiang bor (bored pile) dan tiang pancang (driven pile), merupakan solusi utama untuk mendukung struktur pada tanah dengan daya dukung rendah. Tiang bor dipilih karena fleksibilitasnya dalam menyesuaikan kondisi tanah, meskipun prosesnya lebih lama. Sebaliknya, tiang pancang unggul dalam mutu material dan waktu pemasangan yang lebih cepat, sehingga efisien dalam pelaksanaan proyek. Pada penelitian ini dilakukan analisis kapasitas daya dukung fondasi menggunakan metode Nakazawa dengan variasi dimensi tiang pancang, yaitu 0,8 m, 1 m, 1,2 m dengan kedalaman 15 m serta analisis penurunan fondasi dalam menggunakan metode Vesic secara manual dan metode elemen hingga sebagai perbandingan hasil. Studi dilakukan pada titik bor uji tanah Bor-78 kedalaman 30 meter dengan hasil kondisi tanah berupa lempung dan lanau dengan konsistensi sangat lunak hingga lunak, serta lapisan pasir dengan kepadatan cukup padat di bagian bawah. Hasil perhitungan menunjukkan bahwa semakin besar diameter tiang, kapasitas daya dukung meningkat secara signifikan, sedangkan nilai penurunan fondasi cenderung menurun. Analisis penurunan mempertimbangkan kontribusi deformasi tanah dan deformasi batang tiang secara terpisah. Hasil studi ini diharapkan dapat menjadi referensi teknis dalam perencanaan fondasi jembatan pada kondisi tanah lunak dan padat, dengan mempertimbangkan efisiensi desain berdasarkan variasi dimensi tiang yang digunakan. Kata kunci: Daya Dukung Tiang, Metode Nakazawa, Metode Vesic, Fondasi Dalam, Dan Penurunan Fondasi. Abstract Deep foundation piles, such as bored piles and driven piles, are the primary solutions for supporting structures on soils with low bearing capacity. Bored piles are chosen for their flexibility in adapting to soil conditions, although their installation process takes longer. Conversely, driven piles excel in material quality and faster installation time, making them efficient for project implementation. This study analyzes the bearing capacity of foundations using the Nakazawa method with variations in pile dimensions of 0.8 m, 1 m, and 1.2 m diameter at a depth of 15 m, along with an analysis of foundation settlement using the Vesic method manually and the finite element method (FEM) for comparison. The study was conducted at soil investigation borehole Bor-78 with a depth of 30 meters, revealing soil conditions consisting of clay and silt with very soft to soft consistency, and a lower layer of medium dense sand. The calculation results show that increasing the pile diameter significantly increases the bearing capacity, while the foundation settlement tends to decrease. The settlement analysis considers the contributions of soil deformation and pile shaft deformation separately. This study is expected to serve as a technical reference in the planning of bridge foundations on soft and dense soil conditions, taking into account design efficiency based on the variation of pile dimensions used. Keywords: Pile Bearing Capacity, Nakazawa Method, Vesic Method, Deep Foundation, and Foundation Settlement.
A COMPARATIVE STUDY OF PILE BEARING CAPACITY ANALYSIS RESULTS BASED ON THE EMPIRICAL METHOD (STANDARD PENETRATION TEST) AND THE FINITE ELEMENT METHOD Alfin Reza Saputra Alfin; Dian Purnamawati Solin; Yerry Kahaditu Firmansyah
Jurnal Ilmiah Teknik Sipil Vol. 28 No. 2 (2024): Jurnal Ilmiah Teknik Sipil, Vol. 28 No. 2, September 2024
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITS.2024.v28.i02.p01

Abstract

This study aims to compare the bearing capacity of steel pile foundations using two approaches: an empirical method based on Standard Penetration Test (SPT) data with Meyerhof’s formula, and a numerical method based on the Finite Element Method (FEM). The research object is a steel pipe pile foundation with a diameter of 850 mm and a depth of 43 meters, used in a port dock structure. Data were obtained from field tests, including bore logs and corrected N-SPT values. The Meyerhof method was applied to manually calculate the end-bearing and shaft friction capacity of the pile, while the FEM approach involved two-dimensional geometric modeling using soil parameters derived from field data and technical assumptions. The analysis results indicate that the Meyerhof method yields an allowable bearing capacity of 7855.23 kN/m², whereas the FEM method results in a capacity of 1432.16 kN/m², with a comparison ratio of 0.1823. This discrepancy suggests that the finite element method provides more conservative and realistic results by thoroughly considering soil-structure interaction. Therefore, the finite element method is recommended for foundation design in large-scale projects or cases requiring high accuracy.
A COMPARATIVE STUDY OF PILE BEARING CAPACITY ANALYSIS RESULTS BASED ON THE EMPIRICAL METHOD (STANDARD PENETRATION TEST) AND THE FINITE ELEMENT METHOD Alfin Reza Saputra Alfin; Dian Purnamawati Solin; Yerry Kahaditu Firmansyah
Jurnal Ilmiah Teknik Sipil Vol. 28 No. 2 (2024): Jurnal Ilmiah Teknik Sipil, Vol. 28 No. 2, September 2024
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITS.2024.v28.i02.p01

Abstract

This study aims to compare the bearing capacity of steel pile foundations using two approaches: an empirical method based on Standard Penetration Test (SPT) data with Meyerhof’s formula, and a numerical method based on the Finite Element Method (FEM). The research object is a steel pipe pile foundation with a diameter of 850 mm and a depth of 43 meters, used in a port dock structure. Data were obtained from field tests, including bore logs and corrected N-SPT values. The Meyerhof method was applied to manually calculate the end-bearing and shaft friction capacity of the pile, while the FEM approach involved two-dimensional geometric modeling using soil parameters derived from field data and technical assumptions. The analysis results indicate that the Meyerhof method yields an allowable bearing capacity of 7855.23 kN/m², whereas the FEM method results in a capacity of 1432.16 kN/m², with a comparison ratio of 0.1823. This discrepancy suggests that the finite element method provides more conservative and realistic results by thoroughly considering soil-structure interaction. Therefore, the finite element method is recommended for foundation design in large-scale projects or cases requiring high accuracy.
Kajian Numerik dan Pemetaan Kadar Porositas Tanah pada Hutan Mangrove Gresik Menggunakan Metode Lagrange Polinomial Muhammad Wildan; Hendrata Wibisana; Dian Purnamawati Solin
Reslaj: Religion Education Social Laa Roiba Journal Vol. 7 No. 1 (2025): RESLAJ: Religion Education Social Laa Roiba Journal 
Publisher : Intitut Agama Islam Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/reslaj.v7i1.5664

Abstract

Gresik Regency, with its geographical conditions supporting the development of mangrove ecosystems, faces significant challenges due to the proximity of industrial zones, which pose potential environmental conflicts. Therefore, this research aims to map and analyze soil porosity in the Karangkiring Mangrove Forest, which plays a crucial role in maintaining ecosystem stability and supporting sustainable infrastructure planning. The methods used include collecting 16 soil samples from the field, which were then tested in the laboratory to determine porosity values. These porosity data were correlated with Landsat 8 satellite imagery through NDVI, SAVI analysis, and reflectance from bands 4 and 5. To understand the relationship between soil porosity and satellite data, a regression analysis was conducted, resulting in a quadratic polynomial equation ( y = -78.507x^2 + 49.294x - 7.0327 ), with a coefficient of determination (R²) of 0.7364, indicating a strong correlation. Based on this equation, a soil porosity distribution map was created using GIS software, which visualized the porosity distribution across the mangrove area. This map serves as an essential tool to aid decision-making related to environmental management and sustainable infrastructure planning, particularly in addressing the potential negative impacts of industrial activities on the sensitive mangrove ecosystem.
ANALISIS PENGARUH VARIASI BENTUK DAN VARIASI DIMENSI TERHADAP DAYA DUKUNG PONDASI TIANG PANCANG PADA GEDUNG KULIAH BERSAMA DAN LABORATORIUM FEB UPN “VETERAN” JAWA TIMUR Mochammad Nouval Diva Ramadhan; Dian Purnamawati Solin; Made Dharma Astawa
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 11 No. 2 (2022)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.11.2.5628.245-252

Abstract

The foundation is the most important parts of the lower structure in a building work. This is because the foundation has a function as a bearer and load-bearing that is above it. Therefore, careful calculations are needed accompanied by a comparative analysis of methods to get an efficient type of foundation. In this study, a calculation analysis will be carried out using the conventional method, namely the Mayerhof, Luciano Decourt and Reese O'Neil method to analyze the bearing capacity of the pile with two types of pile shapes namely circle and square accompanied by differences in pile dimension data 300 mm, 400 mm, 500mm and 600 mm with reference to the comparison of the foundation carrying capacity data with the PDA (Pile Driving Analyzer) test. As well as knowing the settlement of the pile foundation of the Joint Lecture Building and Laboratory of the FEB UPN "Veteran" East Java using the PLAXIS version 8.2 aid program. from the results of the study obtained the value of the bearing capacity of the foundation, the smallest deflection and settlement as well as the comparison of the BCR (Bearing Capacity Ratio) value close to 1, the foundation with variations in the shape of a square cross section with dimensions of 300 x 300 mm is efficient and safe to use.
Analisis Deformasi Lateral dan Getaran Tanah Akibat Pemancangan Tiang pada Pipa Minyak dan Gas Arraya Fredericko Romanza; Yerry Kahaditu Firmansyah; Dian Purnamawati Solin
AGREGAT Vol 11 No 1 (2026)
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/ag.v11i1.31313

Abstract

The reclamation project of Triangle Island within the Java Integrated Industrial Port Estate (JIIPE) necessitates the installation of driven deep foundations in soft clay deposits adjacent to existing oil and gas pipelines. The pile driving process induces lateral soil deformation and ground vibration, posing a severe threat to pipeline integrity. This study evaluates the geotechnical impacts of pile driving and proposes effective mitigation measures. The structural viability of the foundation was initially validated using the Nakazawa method with corrected parameters for bearing capacity, alongside immediate settlement analysis using the Bowles equivalent raft approach for a 37-meter deep, 600 mm diameter steel pipe pile group. Subsequently, two-dimensional numerical modeling using finite element methods was conducted to simulate lateral soil displacement and ground vibration generated by a Junttan HHK 7A hydraulic impact hammer. Several mitigation scenarios, primarily focusing on pre-boring configurations, were analyzed. The unmitigated numerical results demonstrate that stress and lateral displacement around the pipeline approach or exceed allowable design limits. However, the implementation of optimized pre-boring significantly attenuates soil heave and vibration response, keeping pipeline deformations within safe operational thresholds. These findings provide a robust
Analisis Pengaruh Variasi Laju Penimbunan terhadap Deformasi Lateral Tanah Lunak pada Metode Preloading dengan PVD (Studi Kasus Jalan Tol Pekanbaru–Padang STA 10+400) Dini Oktavia; Dian Purnamawati Solin; Bagas Aryaseta
AGREGAT Vol 11 No 1 (2026)
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/ag.v11i1.31516

Abstract

Construction of embankments on soft soil often encounters stability issues due to low shear strength and high compressibility, particularly when the loading rate is not properly controlled. This study aims to analyze the effect of embankment loading rate on lateral deformation behavior of soft soil improved using preloading combined with Prefabricated Vertical Drains (PVD). The research is based on a case study of the Pekanbaru–Padang Toll Road STA 10+400. The methodology involves numerical analysis using the Finite Element Method (FEM), preceded by manual calculations to determine staged loading scenarios with target degrees of consolidation. Three loading rates were evaluated, namely 0,2; 0,3 and 0,4 m/week. The analysis focuses on settlement, safety factor, and lateral deformation. The results indicate that all loading rate variations produce similar final settlements (approximately 3,7 m) and meet the required degree of consolidation. However, significant differences are observed in lateral deformation and stability. Lower loading rates result in smaller lateral deformation and higher safety factors, indicating improved stability performance. Conversely, higher loading rates generate greater excess pore water pressure, leading to increased lateral deformation and reduced stability margins. It can be concluded that controlling the loading rate plays a critical role in minimizing lateral deformation and ensuring embankment stability on soft soil. A lower loading rate is more effective in providing sufficient time for consolidation and strength gain, thereby improving overall performance.
Optimasi Desain Fondasi Tiang Pancang pada Struktur Slab On Pile Proyek Pembangunan Jalan Tol Muhammad Fauzi Jatmiko; Dian Purnamawati Solin; Bagas Aryaseta
Rekayasa Vol 19, No 1: January - April 2026
Publisher : Universitas Trunodjoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v19i1.34232

Abstract

Perencanaan fondasi tiang pancang pada struktur slab on pile memegang peranan penting dalam menjamin kinerja dan stabilitas struktur, khususnya pada kondisi tanah yang bervariasi. Pada Proyek Pembangunan Jalan Tol di Jawa Timur, hasil uji Pile Driving Analyzer (PDA) menunjukkan bahwa kapasitas daya dukung tiang pada beberapa titik tidak memenuhi nilai rencana, sehingga diperlukan evaluasi dan optimasi desain fondasi. Oleh karena itu, dalam penelitian ini dilakukan optimasi desain fondasi tiang pancang dengan membandingkan variasi dimensi tiang (diameter dan kedalaman). Dari hasil penelitian didapatkan bahwa dimensi fondasi tiang diameter 80 cm merupakan alternatif desain yang paling optimal. Hal ini ditunjukkan oleh kapasitas daya dukung sebesar 2003,8 kN terhadap gaya aksial 1804,174 kN, yang memberikan margin keamanan terbesar dibandingkan variasi lainnya. Dari sisi penurunan, diameter 80 cm menghasilkan nilai sebesar 25,41 mm, yang masih berada dalam batas izin yaitu sebesar 50 mm. Berdasarkan hasil tersebut, variasi diameter 80 cm dinyatakan sebagai alternatif desain yang paling optimal karena memberikan kombinasi terbaik antara kapasitas daya dukung yang tinggi dan penurunan yang masih terkendali.
Co-Authors Abidin Isa Alhabsyi, Ali Zainal Ahmad Yusuf Habibur Rouf Albar, Aldino Maulana Alfin Reza Saputra Alfin Alivia Wulan Yufika Andini Chaerania Arasi Arahman Arasi Arahman Arraya Fredericko Romanza Aryaseta, Bagas Astawa, Made Dharma Dini Oktavia Dio Alif Hutama Fithri Estikhamah Griselda Junianda Velantika Haryono, Muhammad Iqbal Yefa Imam Hendrata Wibisana Himatul Farichah Himatul Farichah Hoang-Khanh Le Jovanda Anggie Hirza Rivansyah Karina Jelita Putri Karina Meilawati Eka Putri Lutfiah, Ine M. Yusril Inza Mahendra Made Dharma Astawa Mochammad Nouval Diva Ramadhan Mochammad Nouval Diva Ramadhan Muhammad Fauzi Jatmiko Muhammad Wildan Naufal Angger Wasesa Nugroho Utomo Nugroho Utomo Nulya M, Anisya Aura Pare, Jeremy Rumbaya Kondo Primasari Cahya Wardhani Putri, Karin Dwi Jayanti Salsabila Aulia Salva Achmad Lail Saputra, Alfin Reza Sefrina, Ani Siti Zainab Siti Zainab, Siti Sukmawati, Eka Vio Aditya Pratama Wijaya Wulandari, Malinda Yerry Kahaditu Yerry Kahaditu Firmansyah Yulia Putri Ramadhani