To investigate the effect of rock property on the wear behavior of TBM cutter rings,friction experiments were performed on a TBM hob performance test bench with five types of rock common in TBM works. The hob-cutter ring specimen used in the experiment is the same as the actual TBM hob cutter. Results show that the wear volume of the cutter ring specimen tends to increase with increasing rock compressive strength. The specimen exhibited the lowest wear volume of 0. 2 g when facing red sandstone and the high...
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