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PERCEPATAN KONSOLIDASI TANAH DENGAN METODE PREFABRICATED VERTICAL DRAIN (PVD) PADA AKSES JALAN PELABUHAN KENYAMUKAN, SANGATTA, KUTAI TIMUR Manurung, Edison Hatoguan; Subiantoro, Widiyo; Dasrah, Irvon
SINERGI : Jurnal Riset Ilmiah Vol. 2 No. 7 (2025): SINERGI : Jurnal Riset Ilmiah, Juli 2025
Publisher : Lembaga Pendidikan dan Penelitian Manggala Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62335/sinergi.v2i7.1564

Abstract

The construction of access roads to Kenyamukan Port in Sangatta, East Kutai, faced a major challenge due to soft saturated soils with low bearing capacity and high settlement potential. To address this issue, a soil improvement system was implemented using a combination of Prefabricated Vertical Drain (PVD) and vacuum preloading methods. PVD functions to accelerate pore water discharge both vertically and horizontally, while vacuum preloading applies negative pressure to enhance consolidation without the need for heavy surcharge loads. This internship was conducted over ±2 months, focusing on the installation stages of PVD, perforated horizontal drains (PHD), geomembranes, and vacuum systems. Based on field observations and CPTu test data, this combined method significantly accelerated soil consolidation, increased effective stress, and reduced the consolidation period from over a year to approximately 90–120 days. The method is considered effective, efficient, and suitable for infrastructure projects on soft ground, especially in coastal areas. This practical experience also provided the student with hands-on knowledge of construction execution, technical skills, and real-world problem-solving in geotechnical engineering.
Review of Clean Water Supply System Development's Feasibility in Indonesia's Samosir Regency Sitohang, Oloan; Munthe, Kornel; Manurung, Edison Hatoguan; Naibaho, Pio Ranap Tua; Wardiningsih, Sitti
INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur Vol. 19 No. 1 (2023): May
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v19i1.54197

Abstract

Around 15,352 families (42.66 percent) in Samosir Regency still have access to clean water, which is still a rather low percentage compared to the remaining 20,638 families (57.34 percent) who do not. The local government is concerned with this situation in order to create the BUMD PDAM Samosir Regency. This research was done to see if it would be possible to start a local water firm in Samosir Regency. In order to determine whether there is a potential water source that is adequate, sustainable, and manageable economically and profitably in the context of public services, as well as whether the establishment of PDAM Samosir Regency is worth reviewing, interviews and questionnaires were distributed to the community, SPAM owners, and State Civil Servants. In addition to socioeconomic factors, there are financial factors, market factors, legal factors, managerial factors, organizational factors, and technical factors. Legal, social and economic, technical, and notably from economic considerations with IRR = 72.32> I = 12 percent / year, PP = 3.34, and BCR = 6.27, BUMD PDAM Samosir Regency is viable to be founded
Analisis Metode Pelaksanaan dan Kinerja Struktur Gedung Parkir Bertingkat Menggunakan Sistem Precast dan Minipile: Studi Kasus Plaza 6 Pondok Indah Manurung, Edison Hatoguan; Hartanto, Sri
SENTRI: Jurnal Riset Ilmiah Vol. 4 No. 7 (2025): SENTRI : Jurnal Riset Ilmiah, Juli 2025
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/sentri.v4i7.4199

Abstract

The construction of a multi-story parking building in densely populated areas such as Plaza 6 Pondok Indah is a response to limited land availability and the increasing demand for parking facilities. This project employs modern construction methods, such as minipile foundations and precast structural systems, to accelerate project timelines and maintain on-site efficiency. This study aims to directly examine the implementation process and structural systems used on-site, as well as evaluate their effectiveness in terms of technical performance and construction time. Data were collected through direct observation at the project site, technical documentation, and informal discussions with project personnel. Emphasis was placed on the stages of foundation work, substructure components such as pile caps and tie beams, and the installation of precast components on each floor. Additionally, the installation of steel structures was an essential aspect of this study. Observations revealed that the use of precast floor slabs significantly reduced construction time by minimizing the need for formwork and scaffolding. The steel frame system provided advantages in installation flexibility and faster on-site mobilization. The selection of minipiles as the foundation type was also appropriate for the limited land space and moderate soil bearing capacity. Overall, the construction methods used in this project offered substantial benefits in terms of time and on-site efficiency. This study may serve as an initial reference for similar projects, particularly in utilizing a combination of steel structures, precast elements, and deep foundations.