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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 Jurnal Teknik Sipil
Aswin Lim
Jurusan Teknik Sipil, Fakultas Teknik Universitas Katolik Parahyangan, Bandung
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

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Evaluation of Basal Heave Stability for Deep Excavations in Clay using the Discontinuity Layout Optimization Method Susiyanti, Angela Dewi Maharani; Lim, Aswin
Civil Engineering Dimension Vol. 28 No. 1 (2026): MARCH 2026
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.28.1.83-100

Abstract

clay soils, which often causes significant ground movement and threatens nearby structures. Traditional analysis methods generally assume homogeneous soil conditions and ignore the variation of strength with depth, which limits their application in complex field situations. This research investigates basal heave stability using the Discontinuity Layout Optimization (DLO) method, which identifies critical failure mechanisms by optimizing potential discontinuities in the soil mass. The research examines the influence of undrained shear strength (Su​), its gradient, and the excavation width-to-height ratio (B1​/H) on the safety factor, considering homogeneous and layered soil models. Results show that the safety factor increases with higher Su​ values but decreases as B1​/H increases. While the DLO method provides reliable predictions for homogeneous soils, but it shows limitations in layered soils. Therefore, for more accurate results in complex stratigraphy, integrating DLO with the Finite Element Method (FEM) is recommended.
Studi tentang Laju Perubahan Volume dan Konsolidasi Tanah Very Soft dan Ultra Soft Berdasarkan Teori Terzaghi dengan Menggunakan Uji Oedometer dan CPTu Sitohang, Maria Septhree Winna; Rahardjo, Paulus Pramono; Lim, Aswin
Jurnal Teknik Sipil Vol 22 No 1 (2026): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v22i1.12973

Abstract

Very soft and ultra soft soils are types of soil with high water content, very soft consistency, and low bearing capacity, making them susceptible to deformation and subsidence due to loading. This study aims to determine the correlation between volume change parameters and consolidation in very soft and ultra-soft soils based on laboratory testing (oedometer test) and in-situ testing (Cone Penetration Test with Pore Pressure Measurement/CPTu). The parameters studied include the consolidation coefficient (Cv), compression index (Cc), volume change coefficient (mv), and parameter α as the correlation between the mv value from the oedometer test and the corrected cone resistance (qt) value from CPTu. The results show that the Cv value varies with each increase in effective stress. Additionally, the consistency of the α correlation values indicates that CPTu can be used to quickly and efficiently estimate volume change coefficient (mv) values in the field. Therefore, CPTu can serve as an alternative for predicting the behavior of very soft and ultra-soft soil conditions in situ in a more representative manner. 
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 Sitohang, Maria Septhree Winna 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