Investigating the Mechanisms and Dynamic Response of Graded Aggregate Mud Pumping Based on the Hybrid DEM-FDM Method

Investigating the Mechanisms and Dynamic Response of Graded Aggregate Mud Pumping Based on the Hybrid DEM-FDM Method

This study investigated the macro and meso mechanisms of void formation in graded aggregates within high-speed railway subgrades under train loads using a hybrid discrete element–finite difference method (DEM-FDM). First, a contact parameter inversion model based on a linear model (LM) was developed...

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Bibliographic Details
Main Authors: Kang Wang, Zhongrui Chen, Qian Chen, Zhibo Cheng, Jiawen Xu, Hongfu Tan, Lei Zhang, Le You
Format: Article
Language:English
Published: MDPI AG 2025-05-01
Series:Buildings
Subjects:
high-speed railway
graded aggregate void formation
hybrid discrete element–finite difference method
parameter calibration
dynamic response
mesoscopic analysis
Online Access:https://www.mdpi.com/2075-5309/15/10/1604
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