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Analysis of The Micro Pile Casting Method Using The Jet Grouting Method in The RDMP JO Balikpapan Project Kuncoro, Dwi Wahyu; Ade Jaya Saputra
Journal of Civil Engineering and Planning (JCEP) Vol. 5 No. 1 (2024)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v5i1.9071

The increase in foundation bearing capacity is crucial for the RDMP project, which is a National Strategic Project in Indonesia. This study analyzes the casting of micro pile foundations using the Jet Grouting method, an alternative grouting technique used to enhance foundation bearing capacity. The research involves site selection, planning, implementation of Jet Grouting, and analysis of foundation bearing capacity using the Mayerhoff method and Standard Penetration Test (SPT) data. This method injects high-pressure grouting material into the ground, forming solid columns that support refinery infrastructure and improve the soil strength around the foundation. The results show an increase in foundation bearing capacity and soil strength, with Mayerhoff method results of 6,200.08 kN and SPT results of 3,476.98 kN. In conclusion, Jet Grouting successfully improves foundation bearing capacity and becomes an innovative and effective method for geotechnical challenges in specific projects, providing new insights for construction practitioners on optimizing foundation bearing capacity in the RDMP project.

Analysis of Flooding Potential Using ARC-GIS in Ranai Island, Natuna Regency Libora, Deon; Ade Jaya Saputra
Journal of Civil Engineering and Planning (JCEP) Vol. 4 No. 2 (2023)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v4i2.9063

Flood is a problem that occurs frequently on Ranai Island, Natuna Regency, especially in the last three years namely 2021, 2022, and 2023, where 2022 recorded the most severe flood among them. The data used in this study includes Digital Elevation Model (DEM), Landcover data, Slope data, and Precipitation data, all of which are secondary data. This study aims to analyze the potential of flood inundation using ArcGIS on Ranai Island, Natuna Regency. The research focuses on the use of ArcGIS 10.8 application as the sole platform for analysis. The Weighted Sum analysis method is used to combine data from various sources to map areas that are potentially prone to flood inundation. The research results in a flood inundation map indicating flood-prone areas. The research findings also indicate that flood-inundated areas in previous years are indeed located in flood-prone areas. This map is expected to provide valuable information for urban planning and hydrological analysis, as well as to serve as a guide in flood disaster mitigation efforts on Ranai Island. The conclusion of this research emphasizes the importance of mapping the potential of flood inundation as an initial step in facing flood risks in the future. The flood inundation map produced is expected to be an effective tool for stakeholders in making decisions related to urban planning and natural resource management on Ranai Island, Natuna Regency.

BRIDGE FOUNDATION DESIGN INTEGRATING GROUND IMPROVEMENT TECHNIQUES IN CHALLENGING SOIL Frank Lurich; Andri Irfan Rifai; Ade Jaya Saputra
Jurnal Teknik Sipil Vol. 18 No. 1 (2024)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v18i1.10313

This study investigates the optimal design of bridge foundations incorporating ground improvement techniques in challenging soil conditions, employing a case study methodology. Bridge foundations primarily serve to transfer forces applied by the bridge to the underlying soil, and ground improvement techniques enhance soil properties, particularly in complex environments. Challenging soil conditions pose substantial difficulties in designing and constructing bridge foundations, requiring engineers to employ specific methodologies to ensure stability and long-term resilience. These solutions are crucial in areas with weak or unstable soil incapable of supporting large structures like bridges. This study aims to conduct a thorough comparative analysis to evaluate the suitability of Controlled Modulus Columns (CMC) for a roadway project in north-central Java, where soil conditions present significant challenges. By collecting and analyzing secondary data from various sources, including literature, case studies, and empirical research, the study assesses ground improvement techniques' effectiveness, efficiency, and performance in similar soil and geotechnical conditions. The objective is to determine whether CMCs are the most beneficial approach for enhancing the stability and performance of the highway or if alternative methods, which require rapid installation and high load-bearing capacity while minimizing soil disruption, might be more appropriate. The study highlights that Deep Soil Mixing (DSM) offers advantages comparable to CMCs and has proven effective in different soil conditions. This research aims to provide valuable insights into selecting optimal ground improvement techniques for bridge foundations in challenging soil conditions, ensuring stability and performance while addressing project-specific requirements.

BRIDGE FOUNDATION DESIGN INTEGRATING GROUND IMPROVEMENT TECHNIQUES IN CHALLENGING SOIL Frank Lurich; Andri Irfan Rifai; Ade Jaya Saputra
Jurnal Teknik Sipil Vol. 18 No. 1 (2024)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v18i1.10313

This study investigates the optimal design of bridge foundations incorporating ground improvement techniques in challenging soil conditions, employing a case study methodology. Bridge foundations primarily serve to transfer forces applied by the bridge to the underlying soil, and ground improvement techniques enhance soil properties, particularly in complex environments. Challenging soil conditions pose substantial difficulties in designing and constructing bridge foundations, requiring engineers to employ specific methodologies to ensure stability and long-term resilience. These solutions are crucial in areas with weak or unstable soil incapable of supporting large structures like bridges. This study aims to conduct a thorough comparative analysis to evaluate the suitability of Controlled Modulus Columns (CMC) for a roadway project in north-central Java, where soil conditions present significant challenges. By collecting and analyzing secondary data from various sources, including literature, case studies, and empirical research, the study assesses ground improvement techniques' effectiveness, efficiency, and performance in similar soil and geotechnical conditions. The objective is to determine whether CMCs are the most beneficial approach for enhancing the stability and performance of the highway or if alternative methods, which require rapid installation and high load-bearing capacity while minimizing soil disruption, might be more appropriate. The study highlights that Deep Soil Mixing (DSM) offers advantages comparable to CMCs and has proven effective in different soil conditions. This research aims to provide valuable insights into selecting optimal ground improvement techniques for bridge foundations in challenging soil conditions, ensuring stability and performance while addressing project-specific requirements.

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