Effect of spatial variability on disc cutters failure during TBM tunneling in hard rock
J Dalong, S Zhichao, Y Dajun - Rock Mechanics and Rock Engineering, 2020 - Springer
This study examines the effect of variations of the rock property and TBM parameters on the
cutter failure. A new disc cutter wear model is developed by coupling Archard's model and …
cutter failure. A new disc cutter wear model is developed by coupling Archard's model and …
Abrasivity evaluation for wear prediction of button drill bits using geotechnical rock properties
The current study investigates the wear life of button bits and rate of penetration (ROP) of
rotary-percussive drilling machines by employing geotechnical rock properties. According to …
rotary-percussive drilling machines by employing geotechnical rock properties. According to …
Prediction of rock abrasivity index (RAI) and uniaxial compressive strength (UCS) of granite building stones using nondestructive tests
Rock abrasivity index (RAI) and uniaxial compressive strength (UCS) are two key
parameters for assessing abrasivity and durability of building stones, respectively. Direct …
parameters for assessing abrasivity and durability of building stones, respectively. Direct …
Wear prediction of rock drill bits based on geomechanical properties of rocks
The excavation of rock, whether in mining, petroleum, or civil engineering projects,
predominantly relies on traditional drilling techniques. Across these applications, drilling bit …
predominantly relies on traditional drilling techniques. Across these applications, drilling bit …
Machine learning-based regression analysis for estimating Cerchar abrasivity index
The most widely used parameter to represent rock abrasiveness is the Cerchar abrasivity
index (CAI). The CAI value can be applied to predict wear in TBM cutters. It has been …
index (CAI). The CAI value can be applied to predict wear in TBM cutters. It has been …
Development of a new test method for evaluating the abrasivity of granite building stones during polishing process based on weight loss of abrasive tool
Abrasivity of building stones is one of critical parameters during polishing stage in stone
processing plants, which can significantly affect the abrasive tool consumption and the …
processing plants, which can significantly affect the abrasive tool consumption and the …
Wear mechanisms of LCPC rock abrasivity test impellers of materials equivalent to TBM cutter head face tools
This study aims at performing the LCPC (Laboratoire Central des Ponts et Chaussées) rock
abrasivity test to explore the wear characteristics of LCPC test impellers of different material …
abrasivity test to explore the wear characteristics of LCPC test impellers of different material …
Influence of propeller material hardness, testing time, rock properties, and conditioning on LCPC rock abrasiveness test
LCPC rock abrasiveness test is gaining popularity for quick estimation of rock and soil
abrasiveness in the preliminary site exploration stage of tunneling projects. However, there …
abrasiveness in the preliminary site exploration stage of tunneling projects. However, there …
Prediction of Rock Fragmentation in Bench Blasting Operations Based on Multi Parameters—A Case Study
This study discusses the dependence of blast fragmentation size on field parameters and
rock properties. For this purpose six limestone quarries of productive cement factories of …
rock properties. For this purpose six limestone quarries of productive cement factories of …
A new approach to LCPC test based on effect of rotation speed (RS) and rotation time (RT)
A Cheshomi, NG Zadeha, A Sadeghia - Arabian Journal of Geosciences, 2021 - Springer
The LCPC method is one of the most common abrasion tests used for determining soil and
rock abrasivity. LCPC abrasivity coefficient (LAC) and LCPC brittleness coefficient (LBC) are …
rock abrasivity. LCPC abrasivity coefficient (LAC) and LCPC brittleness coefficient (LBC) are …