Linkage Projects - Grant ID: LP160101254 [ 2016 - 2023 ]

Research Grant

[Cite as]

Researchers Prof Buddhima Indraratna; Prof John Carter; A/Prof Cholachat Rujikiatkamjorn; Dr Jinsong Huang; Dr Jayan Vinod; Mr Nagamuttu Narendranathan; Dr Richard Kelly; Dr Laricar Dominic Trani

Brief description This project aims to examine the factors that cause mud pumping and evaluate the effectiveness of sub-surface drainage to prevent rail track instability. Fast heavy haul operations (such as loads used in mining and agriculture) impart repeated loads on the natural formation that can result in mud pumping. If the build-up of water pressure becomes excessive this can cause track failure. Through an experimental program and field study, the mechanisms of mud pumping, incorporating train loads and frequencies, will be studied, and the role of vertically installed drains will be quantified for improved practical design. The project aims to contribute to improved track longevity and reduced maintenance costs, with a corresponding boost in rail productivity.

Funding Amount $675,000

Funding Scheme Linkage Projects

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