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All Journal REKA RACANA Bulletin of Electrical Engineering and Informatics E-Dimas: Jurnal Pengabdian kepada Masyarakat Teras Jurnal Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming INFOMATEK: Jurnal Informatika, Manajemen dan Teknologi JASIEK (Jurnal Aplikasi Sains, Informasi, Elektronika dan Komputer) JMTS: Jurnal Mitra Teknik Sipil BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan Akselerasi Jurnal Ilmiah Teknik Sipil Journal of the Civil Engineering Forum Indonesian Geotechnical Journal International Journal of Applied Sciences and Smart Technologies Jurnal Teknik Sipil
Zakwan Gusnadi
Jurusan Teknik Sipil, Universitas Siliwangi
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Public Health Social Sciences Transportation Other

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SOIL IMPROVEMENT ANALYSIS FOR CONTAINER YARD USING PREFABRICATED VERTICAL DRAINS (PVD) AND PRELOADING: A CASE STUDY OF RECLAIMED LAND IN THE MADURA STRAIT Muhammad Teja Pribadi Pamungkas; Andhy Romdani; Zakwan Gusnadi; Hery Setiyaji; Daniel Bara Padang Allo
BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan Vol. 14 No. 1 (2026): Journal Balanga Edisi Januari-Juni 2026
Publisher : Jurusan Pendidikan Teknologi dan Kejuruan, FKIP, Universitas Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/balanga.v14i1.26433

Abstract

This study aims to analyze the effectiveness of the Prefabricated Vertical Drain (PVD) and Preloading methods in accelerating the consolidation process and improving subgrade stability. The analysis was conducted using two-dimensional Finite Element Method (FEM 2D) software. The soil conditions were dominated by clay with varying consistency to the SPT test depth. The simulation results showed that under unimproved conditions, the 90% settlement reached 1,34 m with a consolidation time of approximately ±39 years and landslides occurred on the slope, indicating unstable conditions. After improvement, the main settlement of 1,64 m occurred during a waiting period of 420 days. The remaining settlement during the operational period was 27,84 cm, still below the design limit of 30 cm, with the FK value increasing to 1,617 (FK > 1.3) during the construction period and 1,617 (FK > 1,5) during the operational period. The results show that the combination of PVD and preloading methods effectively accelerates consolidation, controls settlement, and improves the stability of soft soil in container terminal reclamation projects
PERBANDINGAN PERILAKU PERBAIKAN TANAH METODE PRELOADING VAKUM DAN PRELOADING TIMBUNAN DENGAN ELEMEN HINGGA 2D Zakwan Gusnadi; Paulus Pramono Rahardjo; Aswin Lim
Teras Jurnal : Jurnal Teknik Sipil Vol. 11 No. 2 (2021): Volume 11 Nomor 2, September 2021
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v11i2.513

Abstract

Abstrak Perbaikan tanah lunak dengan pra-beban (preloading) dimaksudkan untuk mereduksi penurunan pada masa operasional dan meningkatkan kekuatan tanah. Preloading dalam perbaikan tanah lunak biasanya dikombinasikan dengan Prefabricated Vertical Drain (PVD) guna mempercepat proses disipasi air pori. Metode preloading dapat dilakukan dengan cara konvensional menggunakan timbunan ataupun dengan tekanan vakum. Untuk mengetahui perilaku preloading dengan tekanan vakum ini digunakan metode elemen hingga 2D menggunakan program bantu ABAQUS (berasal dari nama alat hitung Abacus). Hasil analisis menunjukan pada hari ke 217 perbaikan preloading vakum menghasilkan penurunan sebesar 1,23 m dan preloading timbunan menghasilkan penurunan sebesar 1,18 m, namun pola penurunan yang terjadi dengan preloading vakum terlihat lebih besar pada 35 hari pertama perbaikan. Pada perubahan tekanan air pori preloading vakum menunjukan reduksi tekanan air pori, sedangkan dengan preloading timbunan tekanan air pori meningkat pada masa konstruksi dan tereduksi pada masa perbaikan. Lebih lanjut pada perilaku deformasi lateral di kaki timbunan, metode preloading vakum menunjukan pergerakan lateral ke arah dalam area perbaikan sedangkan dengan preloading konvensional pergerakan lateral tanah terjadi ke arah luar area perbaikan. Kata kunci: ABAQUS, Elemen Hingga 2D, Perbaikan Tanah, Vakum Preloading Abstract Improvement of soft soil by preloading is intended to lower the settlement of operation time and increasing soil strength. Preloading in the improvement of soft soil usually combined with Prefabricated Vertical Drain (PVD) to accelerate the pore water dissipation process. The preloading method can be done in a conventional way using the embankment or vacuum pressure. To find out the behaviour of preloading with this vacuum pressure, we used the finite element method 2D by using the ABAQUS support program. The result of the analysis shows on the 217th day, vacuum preloading improvement produces a settlement by 1.23 m and the embankment preloading produce 1.18 m, but the settlement pattern that occurs with preloading vacuum was seen to be greater in the first 35 days of improvement. In terms of changes in pore water pressure on vacuum preloading shows that the pattern of pore water pressure is reduced, while with pore eater pressure on preloading heap increased during construction and reduced during improvement. Further on the lateral movement behaviour in the toe of the embankment, the vacuum preloading method shows the lateral movement towards the improvement area while embankment preloading shows the lateral movement occurs towards the outside of the improvement area. Keywords: ABAQUS, Finite Element 2D, Soil Improvement, Vacuum Preloading
Co-Authors Agustina, Ervina Lunawati Agustina, Yani Putri Amanulloh, Fahmi Rahmat Andhy Romdani Andhy Romdani, Andhy Andi Nur Rachman Asrinia Desilia Asrinia Desilia Aswin Lim Aveny Septi Asriani Daniel Bara Padang Allo El Ghifari, Muhammad Raka Empung Empung Empung Empung, Empung Euis Nur Fitriani Dewi Fitriana Sarifah Hamonangan, Efran Kemala Handiman, Iman Herwan Dermawan Hery Setiyaji Hidayanto, Hidayanto Hidayat, Asep Kurnia Imam Hadiman Iman Handiman Iman Handiman Indra Mahdi Laska Aurelia Agustiana Mohammad Syarif Al Huseiny Mudatsir Muhammad Teja Pribadi Pamungkas Naeli, Ayu Nina Herlina Paulus Pramono Rahardjo Pengki Irawan Pertiwi, Yayi Pilar Prima, Gary Raya Puan Padya Pamelagiyanti Purwayoga, Vega Putri, Tryantini Sundi R.P.Nababan, Fritz Ramdani, Yusep Rosi Nursani Rufi'i Siti Yuliyanti Siti Yuliyanti Syibul Huda, Amer Munbaits Tammy Flafiana Nabillah Vega Purwayoga Winda Ayu Anggraini Yuli Yulianti