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All Journal Inersia : Jurnal Teknik Sipil dan Arsitektur MEDIA KOMUNIKASI TEKNIK SIPIL Research Report - Engineering Science Jurnal Teknik Sipil Jurnal Teknik Sipil dan Perencanaan Jurnal Teknik Sipil Teras Jurnal Journal of the Civil Engineering Forum U Karst Civil Engineering Dimension Dinamisia: Jurnal Pengabdian Kepada Masyarakat BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil SIKLUS: Jurnal Teknik Sipil Jurnal Aplikasi Teknik Sipil Jurnal Rekayasa Sipil Journal of Applied Engineering and Technological Science (JAETS) Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil APPLIED RESEARCH ON CIVIL ENGINEERING AND ENVIRONMENT (ARCEE) Journal of the Civil Engineering Forum Makara Journal of Technology Indonesian Geotechnical Journal

Aswin Lim

Jurusan Teknik Sipil, Fakultas Teknik Universitas Katolik Parahyangan, Bandung

Author-ID : 307331

Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

Published : 41 Documents Claim Missing Document

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Interpolation method for spatial distribution of clay content within residual soil Alfrendo Satyanaga; Aswin Lim; Nurly Gofar
Indonesian Geotechnical Journal Vol. 1 No. 1 (2022): Vol.1 , No.1, April 2022
Publisher : Himpunan Ahli Teknik Tanah Indonesia

Residual soil is covering some parts of the tropical country such as Singapore. It is commonly known that residual soil is associated with variability either horizontally or vertically. As a result, it is necessary to have a method to determine the distribution of soil properties to minimize the need to have an excessive amount of boreholes before the commencement of the construction project. This paper presents the suitable interpolation method for the spatial distribution of clay content across Singapore island. The common term related to the spatial distribution of soil properties is called digital soil map. The selection of the best method to generate this map depends on different factors. Therefore, each case requires a thorough evaluation and comparison based on the interpolation results. Singapore's digital elevation model and its boundary were utilized in this study. A digital soil map was developed using ArcGIS software based on two interpolation methods such as ordinary kriging, and the inverse distance weighted method. These two methods were cross-validated and compared based on the regression analysis of the analyses results. Cross-validation was performed to verify the correctness of the mentioned interpolation methods. In order to validate the interpolation results, the mean error and the root mean square error were used. The results suggest that ordinary kriging could be used as a suitable method to generate the spatial distribution of clay content obtained from boreholes in Singapore.

Two-Dimensional Finite Element Analysis of Piled Raft Coefficient Settlement Ratio on Clays Christian William Munaba; Aswin Lim; Arif Yunando Soen
Indonesian Geotechnical Journal Vol. 1 No. 2 (2022): Vol.1 , No.2, August 2022
Publisher : Himpunan Ahli Teknik Tanah Indonesia

Nowadays, designing a piled raft foundation is challenging because the behavior is three-dimensional. For some engineers, a three-dimensional analysis might not be affordable due to more costly than a two-dimensional analysis. In this study, 2D Finite element analysis – axisymmetric was used to study the piled raft foundation. The pile diameter and pile length were varied to investigate the relation between piled raft coefficient and load-settlement. In addition, the load transfer mechanism between the raft part and the pile part in clayey soils is also examined. The results show the longer the pile and the larger the diameter, the greater the load carried by the pile and the smaller the settlement. Increase in pile length by 5 m, resulting in a load transfer of 2% to 6% from a raft to pile, and reduced settlement by 2% to 3%. Furthermore, A 0.5 m increase in pile diameter results in an 8% to 25% load transfer from a raft to pile, and a 2% to 7% reduction in a settlement. The soil consistency affects the load distribution and settlement of the pile-raft foundation system. The higher the soil consistency, the smaller the amount transferred to the pile, and the higher the effectiveness of the pile in reducing the settlement that occurs.

Influence of Underconsolidating Soil on Effective Stress Path in a Deep Excavation Case Albert Sebastian; Lim, Aswin
Indonesian Geotechnical Journal Vol. 4 No. 3 (2025): Vol. 4, No. 3, December 2025
Publisher : Himpunan Ahli Teknik Tanah Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56144/igj.v4i3.133

This study investigates the influence and impact of clay soil that is presumed to be undergoing consolidation process on an unbraced shallow excavation system. The excavation geometry spans up to 160 meters with a maximum depth of 5.25 meters. A concrete sheet pile wall was installed at the front side of the excavation, supported by additional tie beams connected to square precast piles behind the wall. Based on soil investigation data, residual excess pore water pressures were identified within the underconsolidating clay layer at depths between 3 to 12 meters. These residual pore pressures contribute additional loading to the retaining wall system. A back analysis was conducted to obtain appropriate soil parameters to be used for PLAXIS 2D modelling. The finite element analysis results were compared with inclinometer data to validate the back analysis. Modeling of the underconsolidating condition was performed by manually inputting the pore water pressure into the initial condition. Results show that under underconsolidating conditions, the maximum wall deflection reached 190 mm, whereas under hydrostatic conditions, it was only 100 mm. Additionally, a parametric study was carried out to examine the relationship between the degree of consolidation and wall deflection. The findings indicate that a higher degree of consolidation leads to reduced wall deflection. To investigate the stress changes on the wall due to underconsolidating soil, a stress path analysis was performed to understand the stress history around the excavation. It was found that in underconsolidating conditions, the average effective stress tends to be lower and the deviatoric stress higher, resulting in a stress path that is closer to the failure line.

Co-Authors Adrianus Renaldy Aglia, Grisella Ahmad Kemal Arsyad Albert Sebastian Aldrianita, Tabitha Alfrendo Satyanaga Alfrendo Satyanaga Anastasia Sri Lestari Andra Ardiana Andy Sugianto Andy Sugianto Anthonius Steven Sutanto Ardiana, Andra Arif Yunando Soen Arif Yunando Sunanhadikusuma Bobby Minola Ginting Budijanto Widjaja Budijanto Widjaja Cheryl, Monica Frances Christian William Munaba Clinton Girsang Darian, Evan Dary Aulia Muhammad David Kristian Erdian, Andreas Evan Darian Ezra Yoanes Setiasabda Tjung Fadhil, Imam Ahmad Felix Hidayat Gofar, Nurly Hartieni, Patricia Helmy Hermawan Tjahjanto Henky Muljana Henky Muljana Herry Suryadi Hizbulmalik, Ziyan Ignatius Tommy Pratama Ihut, Karolina Villa Delfia Jogiadinata, Evelyn Johannes Adhijoso Tjondro Karlinasari, Rinda Lie, Edwin Martin Wijaya Muhammad Hanif Muhammad, Dary Aulia Octavianus Arvin Sukiwan Paulus Pramono Paulus Pramono Rahardjo Prassetyo, Simon Heru Putra, Heriansyah Siska Rustiani Stefani Wiguna Suharyadi, Bambang Susiyanti, Angela Dewi Maharani Syifanaya, Sharfina Faradiba Sylvia Herina Theresita Herni Setiawan Varian Harwin Batistuta Verguson, Yoghi Jo Vienti Hapsari Vinna Fransiska Chou Wellyanto Wijaya Widjaja, Hasky Wijaya, Martin Wijaya, Obaja Triputera William, Octavianus Yiska Vivian Chritiansen Wijaya Yohanes Albrecht Montol Yohanes Lim Dwi Adianto Zakwan Gusnadi

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Journal : Indonesian Geotechnical Journal