Analisis Pergeseran Geometrik Pylon Jembatan Suramadu Terhadap Detail Engineering Design Berbasis Perbandingan Multi Temporal Data Point Cloud UAV LiDAR

Hammmaami, Abdurrahman Afiq Yuda (2026) Analisis Pergeseran Geometrik Pylon Jembatan Suramadu Terhadap Detail Engineering Design Berbasis Perbandingan Multi Temporal Data Point Cloud UAV LiDAR. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Penelitian ini bertujuan untuk menganalisis pergeseran geometrik pylon Jembatan Suramadu melalui perbandingan dua periode data point cloud UAV LiDAR terhadap Detail Engineering Design (DED). Akuisisi data dilakukan menggunakan UAV DJI Matrice 350 dengan sensor Geosun GS-260H. Data point cloud diolah melalui tahapan PPK, segmentasi, serta registrasi menggunakan titik kontrol pada CloudCompare. Validasi akurasi menggunakan titik Independent Check Point (ICP) menunjukkan kedua periode memenuhi Kelas 2 pada skala 1:2.500 berdasarkan SNI 9135-2:2023. Model wireframe 3D dibangun melalui metode tracing pada Autodesk Civil 3D untuk mengukur enam parameter geometrik yaitu L1, L2, T1, T2, T3, dan T4. Hasil perbandingan terhadap DED menunjukkan mayoritas parameter berada dalam batas ≤ 30 mm (tidak dianggap pergeseran), kecuali parameter L1 pada Periode 3 dengan deviasi +124 mm pada pylon SBY dan +186 mm pada pylon MDR, serta parameter T2 pada Periode 5 pylon MDR sebesar −134 mm. Nilai Mean Absolute Error (MAE) terhadap DED pada Periode 5 menunjukkan pylon MDR memiliki simpangan hampir dua kali lipat dibandingkan pylon SBY. Analisis antar periode mencatatkan MAE sebesar 51 mm untuk pylon MDR dan 36 mm untuk pylon SBY. Analisis kemiringan menunjukkan kedua pylon condong secara konvergen (memusat) ke arah bentang utama dengan pergeseran horizontal 306–494 mm, yang diindikasikan sebagai respons terhadap tarikan kabel.
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This study aims to analyze the geometric displacement of the Suramadu Bridge pylons by comparing two periods of UAV LiDAR point cloud data against the Detailed Engineering Design (DED). Data acquisition was conducted using a DJI Matrice 350 UAV equipped with a Geosun GS-260H sensor. The point cloud data were processed through PPK correction, segmentation, and control point-based registration in CloudCompare. Accuracy validation using Independent Check Points (ICP) confirmed that both periods achieved Class 2 accuracy at a 1:2,500 scale based on SNI 9135-2:2023. A 3D wireframe model was constructed through the tracing method in Autodesk Civil 3D to measure six geometric parameters, namely L1, L2, T1, T2, T3, and T4. Comparison against the DED showed that the majority of parameters fell within the ≤ 30 mm threshold (not considered as displacement), except for parameter L1 in Period 3 with deviations of +124 mm for the SBY pylon and +186 mm for the MDR pylon, as well as parameter T2 in Period 5 of the MDR pylon at −134 mm. The Mean Absolute Error (MAE) against the DED in Period 5 indicated that the MDR pylon exhibited nearly twice the deviation compared to the SBY pylon. Inter-period analysis recorded MAE values of 51 mm for the MDR pylon and 36 mm for the SBY pylon. Tilt analysis revealed that both pylons inclined convergently toward the main span with horizontal displacements of 306–494 mm, which is indicated as a response to cable tension.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Geometrik, Kemiringan, Mean Absolute Error, Pylon, Point Cloud, UAV LiDAR, Geometric, Mean Absolute Error, Point Cloud, Pylon, Tilt, UAV LiDAR
Subjects:	G Geography. Anthropology. Recreation > G Geography (General) > G70.217 Geospatial data
Divisions:	Faculty of Civil, Planning, and Geo Engineering (CIVPLAN) > Geomatics Engineering > 29202-(S1) Undergraduate Thesis
Depositing User:	Abdurrahman Afiq Yuda Hammaami
Date Deposited:	14 Jul 2026 08:10
Last Modified:	14 Jul 2026 08:10
URI:	http://repository.its.ac.id/id/eprint/134910

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