Wear of cutting tools in hard rock excavation process: A critical review of rock abrasiveness testing methods
Increasing demand for the use of different mechanized excavation systems in civil and
mining projects has elevated the importance of understanding the wear process of rock …
mining projects has elevated the importance of understanding the wear process of rock …
A new index for cutter life evaluation and ensemble model for prediction of cutter wear
This paper proposed a new index for evaluation of disc cutter life during earth pressure
balance (EPB) tunnelling. This new index was defined as the ratio of accumulated cutter …
balance (EPB) tunnelling. This new index was defined as the ratio of accumulated cutter …
A field parameters-based method for real-time wear estimation of disc cutter on TBM cutterhead
In hard rock TBM tunneling, the loss caused by disc cutter wear accounts for a large
proportion of time and cost for the entire project. However, existing disc cutter wear …
proportion of time and cost for the entire project. However, existing disc cutter wear …
[HTML][HTML] Fiber optic sensing and performance evaluation of a water conveyance tunnel with composite linings under super-high internal pressures
D Wang, H Zhu, J Huang, Z Yan, X Zheng… - Journal of Rock Mechanics …, 2023 - Elsevier
For long-distance water conveyance shield tunnels in operation, the high internal water
pressure may cause excessive deformation of composite linings, affecting their structural …
pressure may cause excessive deformation of composite linings, affecting their structural …
A study on predicting the wear of TBM disc cutters using Cerchar testing
Estimating the disc cutter wear life or change time is a critical part of performance prediction
for the application of hard rock TBMs. This paper examines the disc cutter wear rate and the …
for the application of hard rock TBMs. This paper examines the disc cutter wear rate and the …
Evaluation of TBM cutter wear in Naghadeh water conveyance tunnel and developing a new prediction model
G Barzegari, J Khodayari, J Rostami - Rock Mechanics and Rock …, 2021 - Springer
Replacing worn disc cutters in a tunnel boring machine (TBM) operation is a time-
consuming and expensive process. This article presents the study of disc cutter wear rate …
consuming and expensive process. This article presents the study of disc cutter wear rate …
Probabilistic model of disc-cutter wear in TBM construction: A case study of Chaoer to Xiliao water conveyance tunnel in China
WK Yang, ZY Chen, GS Wu, H Xing - Science China Technological …, 2023 - Springer
Disc-cutters play a crucial role in the penetration process during construction using a tunnel
boring machine (TBM). Their wear status has a significant impact on working efficiency and …
boring machine (TBM). Their wear status has a significant impact on working efficiency and …
Prediction of TBM cutter wear in heterogeneous ground under high ambient pressure
To prevent tunnel face collapse in heterogeneous ground, the applied face pressure in the
excavation chamber can be increased to stabilise the tunnel face, which may hinder cutter …
excavation chamber can be increased to stabilise the tunnel face, which may hinder cutter …
Introducing an empirical model for prediction of disc cutter life for TBM application in jointed rocks: case study, Kerman water conveyance tunnel
Disc cutters wear and need to be replaced when using tunnel boring machines (TBMs) to
excavate through rock, often becoming a high ticket item on the list of consumables in …
excavate through rock, often becoming a high ticket item on the list of consumables in …
A new prediction model for disc cutter wear based on Cerchar Abrasivity Index
J Sun, Y Shang, K Wang, C Wang, F Ma, C Sun - Wear, 2023 - Elsevier
The wear evolution indicated that abrasive wear is the dominant wear mechanism for disc
cutter wear. Considering the uneven rolling force distribution on the cutterhead, the relative …
cutter wear. Considering the uneven rolling force distribution on the cutterhead, the relative …