Wear of cutting tools in hard rock excavation process: A critical review of rock abrasiveness testing methods

MT Hamzaban, J Rostami, F Dahl, FJ Macias… - Rock Mechanics and …, 2023 - Springer
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 …

A new index for cutter life evaluation and ensemble model for prediction of cutter wear

N Zhang, SL Shen, A Zhou - Tunnelling and Underground Space …, 2023 - Elsevier
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 …

A field parameters-based method for real-time wear estimation of disc cutter on TBM cutterhead

H Yu, J Tao, S Huang, C Qin, D Xiao, C Liu - Automation in Construction, 2021 - Elsevier
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 …

[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 …

A study on predicting the wear of TBM disc cutters using Cerchar testing

MH Rajati, J Rostami, H Memarian… - … and Underground Space …, 2023 - Elsevier
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 …

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 …

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 …

Prediction of TBM cutter wear in heterogeneous ground under high ambient pressure

N Zhang, SL Shen - Computers and Geotechnics, 2025 - Elsevier
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 …

Introducing an empirical model for prediction of disc cutter life for TBM application in jointed rocks: case study, Kerman water conveyance tunnel

M Karami, S Zare, J Rostami - Bulletin of Engineering Geology and the …, 2021 - Springer
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 …

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 …