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All Journal Jurnal Teknik ITS Journal of Civil Engineering Jurnal Teknik Sipil Jurnal Aplikasi Teknik Sipil Jurnal Transportasi: Sistem, Material, dan Infrastruktur Portal: Jurnal Teknik Sipil Journal of Infrastructure and Facility Asset Management Interdisciplinary Social Studies Sewagati
Trihanyndio Rendy S, Trihanyndio Rendy
Jurusan Teknik Sipil, Fakultas Teknik Sipil Dan Perencanaan - Institut Teknologi Sepuluh Nopember Surabaya, Kampus ITS Sukolilo, Surabaya 60111.
Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Library & Information Science Mathematics Public Health Social Sciences Transportation Other

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Journal : Interdisciplinary Social Studies

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Stabilization Of Excavated Soil Using Lime (CaCO3) As Fill Material On The Serang - Panimbang Section III Highway Muhammad F. Dika; Trihanyndio Rendy Satrya; Ria Asih Aryani Soemitro
Interdisciplinary Social Studies Vol. 5 No. 1 (2025): Regular Issue: October-December 2025
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/iss.v5i1.980

Abstract

The construction of the Serang – Panimbang Toll Road Section III faces the challenge of surplus excavated material dominated by clay shale from the Bojong Formation. This material is categorized as highly plastic clay (CH) with high swelling and shrinkage potential, so it does not meet the specifications as fill material without special treatment. This study aims to evaluate the effectiveness of stabilizing the excavated soil using calcium carbonate (CaCO3)-based lime. The research method was conducted experimentally in the laboratory with variations in lime content additions of 6%, 7%, and 8% to the dry weight of the soil. The tests included physical properties (Atterberg Limits, Specific Gravity) and mechanical properties (Standard Proctor, CBR Soaked, Unconfined Compressive Strength/UCS, and Swelling). The results showed that the original soil had a Plasticity Index (PI) of 61.17% and a very high swelling potential of 6.92%. Stabilization with CaCO3 proved to be effective in improving soil characteristics. The most optimal decrease in PI occurred at a variation of 7% (to 47.63%), but the best improvement in mechanical properties was achieved at a variation of 6%. At a 6% concentration, the soaked CBR value increased from 0.498% to 1.549%, the unconfined compressive strength (qu) increased to 2.681 kg/cm², and the swelling potential decreased dramatically to 1.26%. Thus, a 6% addition concentration is recommended as the optimum variation for soil stabilization at the study site.
Numerical Validation of Differential Settlement in the Transition Zone of Embankment-Slab on Pile Over Soft Soils Hanifan Ihsani; Trihanyndio Rendy Satrya; Ria Asih Aryani Soemitro
Interdisciplinary Social Studies Vol. 5 No. 1 (2025): Regular Issue: October-December 2025
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/iss.v5i1.982

Abstract

Differential settlement in the transition zone between embankment segments and rigid structures such as Slab-on-Pile is one of the most critical issues in toll road construction on soft soil, as it may reduce ride comfort, safety, and service life. In the Serang–Panimbang Toll Road Section III Project, the applied ground treatment method consists of Free Draining Granular Material (FDGM) supporting the approach embankment and bored piles as the abutment foundation for the Slab-on-Pile system. This study aims to evaluate the performance of the existing treatment method by comparing settlement predictions derived from one-dimensional analytical methods (Terzaghi’s theory for embankments and the Boussinesq and Poulos–Davis methods for abutments) with two-dimensional numerical modeling using PLAXIS. The resulting settlement profile in the transition zone is then analyzed to assess the potential for differential settlement with respect to the applicable serviceability limits. The validation results show a strong agreement between analytical and numerical methods, with settlement deviations of 6.09% for the embankment and 4.93% for the abutment. Nevertheless, the embankment over FDGM experiences a total settlement of 51.90 cm, while the Slab-on-Pile abutment settles only 6.10 cm, producing a differential settlement of 45.80 cm, far exceeding the allowable limit. These findings indicate that the use of FDGM alone is insufficient to accommodate the high compressibility of the thick soft soil deposit at the study location.
Co-Authors Agustina Dwi Atmaji Ahmad Rusdiansyah Aqil Rausanfikr M Cupasindy, Dyah Ayu Rahmawati Dody Hartanto Faisal Estu Yulianto Faisal Estu Yulianto, Faisal Estu Hanifan Ihsani Ifnul Manaf Ignasius Rahmat Santoso Indarto . Indarto, Indarto Indra Rahma Hardiana Indrasurya B. Mochtar Iwan Vanany Jaka Propika Lastiasih, Yudhi Manurung, Widya Indriyani Mochtar, Indrasurya B. Muhammad F. Dika Musta'in Arif Nabilla Zahera Niken Anggraini Savitri Noor Endah Mochtar, Noor Endah Nur ‘ Arfiati Shoffiana Pungky Aditya Saputra Rendy Cahya Putra Pamungkas Ria Asih Aryani Soemitro Ria Asih Aryani Soemitro Ria Asih Aryani Sumitro Ridha Annisa Imaniar Rizki Revianto Putera Suparno Suwarno Suwarno Wahyu Ady Sulistyo Zefira Wisna Maulidha