Analisis Stabilitas Timbunan dan Perbaikan Tanah Lunak pada Proyek Barge to Barge Coal Transfer Facility di Kelanis Utara Kalimantan Tengah

Zuhdiyyah, Hasna (2024) Analisis Stabilitas Timbunan dan Perbaikan Tanah Lunak pada Proyek Barge to Barge Coal Transfer Facility di Kelanis Utara Kalimantan Tengah. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Pembangunan Barge to Barge Coal Transfer Facility di Kelanis Utara, Kalimantan Tengah adalah bagian dari upaya peningkatan layanan logistik di sekitar sungai Barito dan bertujuan untuk memfasilitasi transfer batubara antar kapal, agar bongkar muat batubara dapat dilakukan secara efisien dan mempercepat distribusi ke pelanggan. Proyek ini melibatkan pembangunan dermaga (jetty) yang memungkinkan kapal barge bersandar dan melakukan transfer batubara. Berdasarkan hasil penyelidikan tanah, fasilitas dermaga dibangun di atas tanah lunak setebal 8 meter. Beban hidup diperkirakan sebesar q = 10 kN/m2 yang digunakan dalam analisis stabilitas timbunan. Berdasarkan analisis stabilisasi timbunan didapatkan nilai safety factor (SF) sebesar 1,12 sehingga perlu dilakukan stabilitas timbunan dan perbaikan tanah untuk mencegah terjadinya longsor dan penurunan konsolidasi yang berlebihan. Perbaikan tanah lunak yang dapat dilakukan pada timbunan di sekitar proyek pembangunan dermaga ini adalah dengan metode Prevabricated Vertical Drain (PVD), sedangkan untuk perkuatan stabilitas timbunan digunakan geotekstil. Berdasarkan hasil perhitungan, digunakan PVD dengan pola pemasangan persegi sedalam 8 m dan jarak pemasangan adalah sebesar 1 m. Sebelum digunakan PVD, penurunan yang terjadi adalah sebesar 70,2 cm dan derajat konsolidasi 90% dicapai dalam waktu 7 tahun. Setelah dilakukan perbaikan menggunakan PVD dengan pola pemasangan persegi, derajat konsolidasi 90% tercapai dalam waktu 7 minggu. Untuk perkuatan stabilitas timbunan, digunakan geotekstil sepanjang 20,5 m sebanyak 2 lapis dengan jarak pemasangan sejauh 0,5 m dan didapatkan SF setelah pemasangan adalah sebesar 1,32
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The construction of the Barge to Barge Coal Transfer Facility in North Kelanis, Central Kalimantan is part of efforts to improve logistics services around the Barito River and aims to facilitate coal transfer between ships, so that loading and unloading of coal can be carried out efficiently and speed up distribution to customers. This project involves the construction of a jetty that allows barges to dock and transfer coal. Based on the results of the soil investigation, the dock facility was built on soft soil 8 meters thick. The live load is estimated at q = 10 kN/m2 which is used in the embankment stability analysis. Based on the embankment stabilization analysis, the safety factor (SF) value was 1.12, so it is necessary to stabilize the embankment and improve the soil to prevent landslides and excessive consolidation settlement. Soft soil repairs that can be carried out on embankments around this pier construction project are using the Prevabricated Vertical Drain (PVD) method, while geotextiles are used to strengthen the stability of embankments. Based on the calculation results, PVD was used with a square installation pattern 8 m deep and an installation distance of 1 m. Before PVD was used, the reduction that occurred was 70.2 cm and a consolidation degree of 90% was achieved within 7 years. After repair using PVD with a square installation pattern, a consolidation degree of 90% was achieved within 7 weeks. To strengthen the stability of the embankment, 2 layers of 20.5 m geotextile were used with an installation distance of 0.5 m and the SF obtained after installation was 1.32

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Geotekstil, Perbaikan Tanah, PVD, Stabilitas Timbunan, Embankment Stability, Geotextile, PVD, Soil Improvement
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA749 Soil stabilization
Divisions:	Faculty of Vocational > Civil Infrastructure Engineering (D4)
Depositing User:	Hasna Zuhdiyyah
Date Deposited:	16 Aug 2024 07:16
Last Modified:	16 Aug 2024 07:16
URI:	http://repository.its.ac.id/id/eprint/113793

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