Defleksi Lateral Tiang Tunggal Akibat Beban Lateral pada Tanah Pasir
DOI:
https://doi.org/10.21831/inersia.v17i2.27092Keywords:
Defleksi Lateral, Kurva p-y, Plaxis Allpile, Nash-Sutcliffe Efficiency (NSE)Abstract
ABSTRACT
One type of deep foundation is a pile foundation that is designed and has the ability to withstand axial, lateral, and uplift loads. This analysis aims to determine and compare deflections that occur on poles that are in granular soil by using the manual calculation of the p-y curve method with finite difference approaches and calculations with Allpile and Plaxis software. The analysis was conducted three times, namely on a 60 cm diameter pole at a depth of 10 meters embedded pile with lateral loads of 25 kN, 50 kN, and 75 kN. The data used to calculate the lateral deflection of the pole is secondary data. Lateral deflection analysis using Plaxis software with a load of 25 kN, 50 kN, and 75 kN obtained lateral deflection of the uppermost pole respectively 0.159 cm, 0.324 cm, and 0.545 cm. Lateral deflection analysis using Allpile software with a load of 25 kN, 50 kN, and 75 kN obtained lateral deflection of the uppermost pile by 0.08 cm, 0.16 cm and 0.29 cm. While the results of the lateral deflection analysis of the manual calculation of the p-y curve method with a finite different up to 25 kN, 50 kN, and 75 kN loads obtained lateral deflection of the uppermost pile respectively by 0.60 cm, 0.12 cm and 0.179 cm. So the approximating calculations are manual calculation of the p-y curve method with calculations with Allpile software. Nash-Sutcliffe Efficiency (NSE) value calculation of the p-y curve method with plaxis software at lateral load 25 kN, 50 kN, 75 kN obtained consecutive NSE values of -5,946, -6,439, dan -30,118 all of which have unsatisfactory performance rating. Different with curve p-y method compared with Allpile that has consecutive NSE values of 0,876, 0,876, 0,876, dan 0,605 all of which have very good performance rating.
ABSTRAK
Salah satu jenis fondasi dalam adalah fondasi tiang yang didesain dan memiliki kemampuan untuk menahan beban aksial, lateral, dan uplift. Analisis ini bertujuan untuk mengetahui dan membandingkan defleksi yang terjadi pada tiang yang berada pada tanah granuler dengan menggunakan perhitungan manual metode kurva p-y dengan pendekatan beda hingga dan perhitungan dengan software Allpile dan Plaxis. Analisis dilakukan tiga kali percobaan yaitu pada tiang berdiameter 60 cm pada kedalaman tiang tertanam 10 meter dengan beban lateral sebesar 25 kN, 50 kN, dan 75 kN. Data yang dipakai untuk menghitung defleksi lateral tiang adalah data sekunder. Analisis defleksi lateral menggunakan software Plaxis dengan beban 25 kN, 50 kN, dan 75 kN didapatkan defleksi lateral tiang paling atas berturut-turut sebesar 0,159 cm, 0,324 cm, dan 0,545 cm. Analisis defleksi lateral menggunakan software Allpile dengan beban 25 kN, 50 kN, dan 75 kN didapatkan defleksi lateral tiang paling atas berturut-turut sebesar 0,08 cm, 0,16 cm, dan 0,29 cm. Sedangkan hasil analisis defleksi lateral perhitungan manual metode kurva p-y dengan pendekatan beda hingga dengan beban 25 kN, 50 kN, dan 75 kN didapatkan defleksi lateral tiang paling atas berturut turut sebesar 0,60 cm, 0,12 cm, dan 0,179 cm. Jadi perhitungan yang saling mendekati adalah perhitungan manual metode kurva p-y dengan perhitungan dengan software Allpile. Perhitungan nilai Nash-Sutcliffe Efficiency (NSE) metode kurva p-y dengan software Plaxis pada beban lateral 25 kN, 50 kN, dan 75 kN didapatkan nilai NSE berturut-turut sebesar -5,946, -6,493, dan -30,118 yang ketiganya memiliki rating performa tidak memuaskan. Berbeda dengan metode kurva p-y dibanding dengan Allpile memiliki nilai NSE berturut-turut sebesar 0,876, 0,876, dan 0,605 ketiganya mempunyai rating performa yang sangat baik.
References
Lembaran Negara Republik Indonesia Tahun 2016 Nomor 4, Peraturan Presiden Republik Indonesia Nomor 3 Tahun 2016. Tentang Percepatan Pelaksanaan Proyek Strategis Nasional. 12 Januari 2016. 2016.
Lembaran Negara Republik Indonesia Tahun 2017 Nomor 119, Peraturan Presiden Republik Indonesia Nomor 58 Tahun 2017. Perubahan Atas Peraturan Presiden nomor 3 Tahun 2016 Tentang Percepatan Pelaksanaan Proyek Strategis Nasional. 2017.
A. Hakam, R. Yuliet, and R. Donal, "Studi pengaruh penambahan tanah lempung pada tanah pasir pantai terhadap kekuatan geser tanah," Junal Rekayasa Sipil, vol. 6, no. 1, p. 11, 2010.
H. C. Hardiyatmo, Teknik Fondasi 1. Jakarta: PT Gramedia Pustaka Utama, 1996.
S. HS, Pondasi Tiang Pancang, 1st ed. Surabaya: Sinar Wijaya, 1988.
L. C. Reese and W. V. Impe, Single Piles and Pile Groups Under Lateral Loading, 2nd ed. Leiden: CRC Press/Balkema, 2010.
F. M. Elfaaz and I. N. Hamdhan, "Analisis Daya Dukung Lateral Fondasi Tiang Tunggal Menggunakan Metode Elemen Hingga," J. Online Inst. Teknol. Nas., vol. 2, no. 3, pp. 83–94, 2016.
Downloads
Published
How to Cite
Issue
Section
License
Authors who publish with INERSIA journal agree to the following terms:
- Authors retain copyright and grant the INERSIA journal right of first publication with the work simultaneously licensed under Creative Commons Attribution License (CC BY 4.0) that allows others to share the work with an acknowledgment of the work's authorship and initial publication in this journal.
- Authors can enter into separate, additional contractual arrangements for the non-exclusive distribution of the published version of the work (e.g., post it to an institutional repository or edit it in a book), with an acknowledgment of its initial publication in this journal.
- Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) before and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work.

INERSIA by https://journal.uny.ac.id/index.php/inersia was distributed under a Creative Commons Attribution 4.0 International License