FATIHAH, NABILA (2024) ANALISIS DEFORMASI LATERAL CONTIGUOUS BORED PILE PADA PEKERJAAN GALIAN DALAM MENGGUNAKAN METODE ELEMEN HINGGA (Studi Kasus : Proyek Pembangunan Kantor JHL S8 Gading Serpong). S1 thesis, Fakultas Teknik Universitas Sultan Ageng Tirtayasa.
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Abstract
The decreasing availability of land has led to a shift in development towards vertical construction, with an increasing number of high-rise buildings replacing expansive structures. In addressing this issue, many multi-story buildings have basements used as parking lots or pump rooms. The JHL S8 Office project has 2 basements. Of course, the construction of basements requires retaining walls to prevent landslides. The aim of this study is to determine the lateral deformation and safety factor values of the retaining walls in the JHL S8 Office project due to deep excavation work using Plaxis 2D. The modeling will be conducted using the Mohr-Coulomb and Hardening Soil models under long-term and short-term conditions, and the results of lateral deformation will be compared with inclinometer readings. Additionally, the safety factor will also be calculated using manual calculation methods. The results of this study show that the lateral deformation of the contiguous bored pile using Plaxis software with the Mohr-Coulomb Undrained B model (long term) is 36,25 mm, the Mohr-Coulomb Undrained C model (short term) is 33,6 mm, and the Hardening Soil Undrained B model (long term) is 22,6 mm. Compared to the inclinometer test results, these values correspond to 33,74%, 28,66%, and 5,61%, respectively. In the safety factor analysis using Plaxis, the results for the three models are 2,3875, 1,6889, and 1,687, respectively. Meanwhile, the manual calculation of the safety factor values against sliding is 3,997 and against overturning is 5,696.
| Item Type: | Thesis (S1) | |||||||||
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| Additional Information: | Berkurangnya ketersediaan lahan menyebabkan pergeseran pembangunan menuju arah vertikal, dengan semakin banyaknya konstruksi gedung-gedung tinggi sebagai pengganti bangunan yang luas. Dalam menghadapi permasalahan tersebut, tidak sedikit bangunan bertingkat memiliki basement yang digunakan sebagai lahan parkir atau ruang pompa. Proyek JHL S8 Office memiliki 2 basement. Tentunya pada pembangunan basement diperlukan dinding penahan tanah untuk mencegah terjadinya kelongsoran. Tujuan penelitian ini untuk mengetahui deformasi lateral dan nilai safety factor pada dinding penahan tanah di proyek JHL S8 Office akibat pekerjaan galian dalam dengan menggunakan Plaxis 2D. Pemodelan akan dibuat dengan model Mohr Coulomb dan Hardening Soil dengan kondisi long term dan short term kemudian hasil deformasi lateral akan dibandingkan dengan inclinometer. Selain itu, safety factor juga diperhitungkan dengan metode perhitungan manual. Hasil dari penelitian ini menunjukkan bahwa deformasi lateral contiguous bored pile dengan software Plaxis pemodelan Mohr Coulomb Undrained B (jangka panjang) adalah 36,25 mm, pemodelan Mohr Coulomb Undrained C (jangka pendek) sebesar 33,6 mm, dan pemodelan Hardening Soil (jangka panjang) yaitu 22,6 mm. Dari ketiga hasil tersebut perbandingan dengan hasil uji inclinometer berturut-turut yaitu 33,74%, 28,66%, dan 5,61%. Pada analisis safety factor menggunakan Plaxis hasil dari ketiga pemodelan tersebut berturut-turut yaitu 2,3875, 1,6889, dan 1,687. Sedangkan perhitungan manual nilai angka aman terhadap pergeseran yaitu 3,997 dan terhadap penggulingan 5,696. | |||||||||
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | |||||||||
| Divisions: | 03-Fakultas Teknik 03-Fakultas Teknik > 22201-Jurusan Teknik Sipil |
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| Depositing User: | Nabila Fatihah | |||||||||
| Date Deposited: | 26 Jul 2024 15:33 | |||||||||
| Last Modified: | 26 Jul 2024 15:33 | |||||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/39664 |
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