Numerical Investigation of Consolidation Settlement for Runway Construction on Soft Soil: A Case Study in Sumbawa, Indonesia

Farichah H. Hutama D.A. Alextrianto V. Satyanaga A. Ghifari F.
May - July 2025 University of PGRI Semarang

Advance Sustainable Science, Engineering and Technology
2025 #7 Issue 3

Runway construction on soft soil presents significant engineering challenges due to excessive settlement, which can affect structural stability and long-term performance of transportation infrastructure. This study investigates the settlement of a runway in Sumbawa, Indonesia using the Finite Element Method (FEM) in Plaxis 2D. The Hardening Soil Model was applied to realistically capture nonlinear soil behavior. Input parameters were derived from a series of N-SPT data and laboratory test results. The findings indicate that during the operational phase, the maximum and minimum settlement were 307.1 mm and 2.491x10^-3 mm, respectively. Meanwhile, consolidation-induced settlement reached a maximum of 357.97 mm and a minimum of 10.6 mm. The distribution of total settlement along the runway varied depending on soil characteristics. Sections with predominantly clayey soil exhibited greater settlement, whereas areas with sandy soil experienced significantly lower settlement.

Finite Element Method (FEM) , Numerical Modeling , Runway , Soft Soil , Transportation

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Study Program of Civil Engineering, Faculty of Engineering and Science, Universitas Pembangunan Nasional “Veteran” Jawa Timur, Jalan Rungkut Madya No. 1, Surabaya, 60294, Indonesia
Study Program of Environmental Engineering, Department of Biology, Faculty of Science and Technology, Universitas Airlangga, Jalan Dr. Ir. H. Soekarno, Surabaya, 60115, Indonesia
PT. PP (Persero) Tbk, Divisi Gedung, Plaza PP, Jl. Letjend. TB Simatupang No.57, Pasar Rebo, Jakarta, 13760, Indonesia
Department of Civil and Environmental Engineering, Nazarbayev University, Kabanbay Batyr Ave. 53, Astana, 010000, Kazakhstan
Department of Civil and Construction Engineering, College of Engineering, National Taiwan University of Science and Technology, No. 43, Section 4, Keelung Rd, Da’an District, Taipei City, 106, Taiwan

Study Program of Civil Engineering
Study Program of Environmental Engineering
PT. PP (Persero) Tbk
Department of Civil and Environmental Engineering
Department of Civil and Construction Engineering

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