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Journal : Jurnal Teknik Industri Terintegrasi (JUTIN)

Analisis Daya Dukung Pondasi Tiang Pancang Menggunakan Data Laboratorium dengan Metode Meyerhoff, Alpha, Beta, Lamda (Studi Kasus: Proyek Pembangunan Gedung Bess Mansion Jemursari Surabaya) Putra, Ferdiansyah Mas; Fatmawati, Laily Endah; Firmansyah, Yerry Kahidatu
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.45827

Abstract

This study aims to analyze the bearing capacity of pile foundations in the Bess Mansion Building Project in Jemursari, Surabaya, using the Meyerhof, Alpha, Beta, and Lamda methods. The analysis is based on laboratory data reflecting actual soil conditions at the site. The calculation methods include evaluations of end and shaft bearing capacities, overburden stress, and adhesion or friction coefficients. Results indicate that the Alpha method yields the highest allowable bearing capacity at 2754.13 tons, followed by the Beta method at 2290,95 tons, and the Lambda method at 501.25 tons. All results demonstrate safe capacities to support the planned load of 300 tons. In conclusion, the Lamda method is the most effective for this case study. This research provides recommendations for selecting appropriate bearing capacity estimation methods tailored to soil conditions to ensure structural safety and implementation efficiency.
Analisis Campuran Agregat AC-BC dengan Substitusi Limbah Polyethylene Terephthalate dengan Filler Semen Bintang, Audito; Hartatik, Nurani; Fatmawati, Laily Endah
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.46045

Abstract

Indonesia generated 4.14 million tons of plastic waste in 2021, making it the second-largest plastic waste contributor in the world. One type of plastic, Polyethylene Terephthalate (PET), is particularly difficult to decompose and has negative environmental impacts. This study aims to analyze the use of PET waste in Asphalt Concrete–Binder Course (AC-BC) mixtures to improve pavement quality while reducing plastic waste. The method used involves analyzing the gradation of aggregate, asphalt, and PET waste mixtures based on the 2018 General Specifications of Bina Marga (Revision 2). PET waste was selected due to its high availability and durability. The results indicate that there is an ideal composition of aggregate, asphalt, and PET that meets the required gradation criteria. This study shows that PET waste can be utilized as a technically feasible asphalt mixture component and contributes to sustainable infrastructure development.