Karimah, Fitriyatul (2019) Evaluasi Pondasi Tiang Pancang Eksisting pada Terminal Penumpang Ippi, Ende, Nusa Tenggara Timur dan Perencanaan Pondasi Menerus. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Pondasi mempunyai peranan penting dalam suatu bangunan, dimana pondasi digunakan untuk menempatkan bangunan dan meneruskan beban dari struktur atas ke dalam tanah. Sehingga dalam pembangunan suatu gedung atau bangunan diperlukan jenis pondasi tertentu yang mampu menahan beban struktur di atasnya agar dapat berdiri kokoh dan aman. Begitu pula pada pelaksanaan proyek pembangunan Terminal Penumpang Pelabuhaan Ippi di Ende Nusa Tenggara Timur yang menggunakan pondasi tiang berbentuk persegi berukuran 0,25 m x 0,25 m dengan kedalaman 3 – 4 meter untuk menahan beban gedung dan menyalurkannya ke dalam tanah. Akan tetapi pada saat pemancangan tiang, hasil kalenderingdan PDA jauh di atas perhitungan analitis perencana sehingga proses konstruksi diberhentikan dan struktur atas belum dilaksanakan. Atas dasar hal tersebut, maka dirasa perlu untuk melakukan pengecekan ulang daya dukung tanah di lapangan untuk disesuaikan dengan hasil kalendering dan PDA. Selain itu, akan dilakukan proses evaluasi kebutuhan pondasi tiang pancang dan juga perencanaan pondasi menerus dari batu kali sebagai pilihan alternatif. Adapun hasil penyelidikan tanah yang ada, didapatkan jenis tanah dominan pasir dengan konsistensi Loose to Dense dari kedalaman 0 – 45 meter (Sumber : Data Proyek). Daya dukung tanah pada kedalaman 4 meter berdasarkan perhitungan Metode Meyerhof sebesar Qult = 56,256 ton, sedangkan untuk perhitungan Metode Luciano Decourt sebesar Qult = 42,333 ton. Selain itu daya dukung tanah berdasarkan tes PDA dan tes kalendering di lapangan didapatkan nilai rata-rata sebesar Qult = 144,423 ton.setelah dilakukan evaluasi didapati beberapa titik membutuhkan penambahan tiang agar dapat menahan beban di atasnya. Jumlah penambahan tiang diambil dari jumlah kebutuhan terbanyak dari beberapa tinjauan evaluasi dan didapatkan penambahan tiang sebanyak 97 buah yang membutuhkan biaya sebesar Rp 580.081.896, sedangkan untuk alternatif pondasi menerus batu kali didapatkan dimensi B = 1,5 meter dan tinggi pondasi = 1 meter pada bangunan yang sama hanya membutuhkan biaya sebesar Rp 486.755.827.
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The foundation has an important role in a building, where the foundation is used to place the building and carry the load from the upper structure into the ground. Hence,in the construction of a structure or a building a certain type of foundation is needed so that the foundation itself will be able to withstand the burden of the structure above so that the structure can stand firmly and safely. The same applies to the construction of the Ippi Passenger Terminal project in Ende, East Nusa Tenggara which uses 0.25 m x 0.25 m square pillar foundation with a depth of 3-4 meters to hold the load of the building and channel it to the ground. However at the time of pile erection, the results of the calendering method and PDA are far above the analytical calculation of the planner so that the construction process is terminated and the upper structure has not been constructed. On this basis, it is necessary to re-check the bearing capacity of the soil in the field to match the results of the calendering method and PDA. In addition, there will be an evaluation process on the pile foundation requirements as well as planning the continuous foundation of river stone as an alternative choice. The results of the investigation of soil, the area is dominated with sand-type soil with a Loose to Dense consistency on the depth of 0 - 45 meters (Source: Project Data). The carrying capacity of the soil at a depth of 4 meters, the calculation using the Meyerhof Method shows the value of Qult = 56.256 tons, while the result using the Luciano Decourt Method is Qult = 42.333 tons. In addition, the bearing capacity of the soil based on PDA tests and calendering tests in the field obtained an average value of Qult = 144,423 tons. After an evaluation is being conducted, it shows that several points requires the addition of piles in order to be able to withstand the load above them. The number of additional piles was taken from the highest number of required addition from several evaluation reviews and it can be concluded that the addition needed is 97 piles which needed a cost of Rp 580.081.896, while for the alternative continuous foundation using river stone, B dimensions needed = 1.5 meters and foundation height = 1 meter on the same building only costs Rp. 486,755,827.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Soil Bearing Capacity, Calendering Test, PDA Test, Driven Pile, Evaluation, Stone Continuous Foundation |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) > TA775 Foundations. T Technology > TA Engineering (General). Civil engineering (General) > TA780 Piles and pile-driving |
| Divisions: | Faculty of Civil, Environmental, and Geo Engineering > Civil Engineering > 22201-(S1) Undergraduate Theses |
| Depositing User: | Fitriyatul Karimah |
| Date Deposited: | 12 Jul 2024 03:24 |
| Last Modified: | 12 Jul 2024 03:24 |
| URI: | http://repository.its.ac.id/id/eprint/65743 |
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