Bridge Structural Health Monitoring Dataset: Train-Induced Vibration Data Under Multiple Damage Scenarios

Simulated acceleration time-series dataset from a railway bridge structure under train loading with varying operational and environmental conditions. Contains vibration measurements from 18 sensor nodes (3-axis accelerometers) sampled at 256 Hz. Files: healthy.parquet: Intact structure baseline (Class 0); slightly_damaged.parquet: Baseline variations from environmental/operational factors with damage < 0.01 (Class 0); damaged_d1.parquet to damaged_d5.parquet: Five distinct damage types (Class 1). Columns: ExperimentID: Unique simulation run identifier; Velocidade: Train speed (km/h) - Environmental Operating Variable (EOV); Peso_Vagao: Wagon mass percentage - EOV; Modulo_Elasticidade: Young's modulus percentage - EOV; Irregularidade: Track profile ID - EOV; Dano_Percentual: Damage severity (0.01 to 1.0) - damaged files only; NodeID: Sensor identifier (18 nodes); Time: Timestamp (sampling rate: 256 Hz); Accel_X, Accel_Y, Accel_Z: Tri-axial acceleration. Suitable for damage detection research, anomaly detection algorithms, and structural health monitoring under environmental/operational variability. Format: Apache ParquetSource: Converted from MATLAB/HDF5 simulation data本数据集为列车荷载作用下、工况与环境条件可变的铁路桥梁结构模拟加速度时间序列数据集，包含来自18个传感器节点（三轴加速度计，3-axis accelerometers）、采样率为256Hz的振动测量数据。 数据集包含以下文件： 1. healthy.parquet：完整结构基线样本（类别0）； 2. slightly_damaged.parquet：受环境与运营因素影响的基线变异样本，且损伤程度小于0.01（类别0）； 3. damaged_d1.parquet至damaged_d5.parquet：五种不同损伤类型的样本（类别1）。 数据集中各字段说明如下： - ExperimentID：单次模拟运行的唯一标识符； - Velocidade：列车时速（km/h），属于环境运营变量（Environmental Operating Variable, EOV）； - Peso_Vagao：货车质量占比，属于环境运营变量； - Modulo_Elasticidade：杨氏模量占比，属于环境运营变量； - Irregularidade：轨道不平顺编号，属于环境运营变量； - Dano_Percentual：损伤严重程度（取值范围0.01至1.0），仅存在于带损伤的数据集文件中； - NodeID：传感器节点标识符（共18个节点）； - Time：时间戳（采样率：256Hz）； - Accel_X、Accel_Y、Accel_Z：三轴加速度分量。 本数据集适用于环境与运营变量波动下的损伤检测、异常检测算法研究以及结构健康监测相关工作。 数据存储格式为Apache Parquet，原始数据由MATLAB/HDF5仿真数据转换而来。