Abstract:

For the purpose of accurately judging cutter change time, saving cutter costs, ensuring safe construction, a comprehensive, indepth analysis and summary of shield cutter wear rules and cutter wear reducing and resistance measures is done from the aspect of the adaptability of cutterhead and cutter to ground conditions, based on related domestic and foreign engineering technical data. In addition, based on the above research results, some study objects are proposed as follows: cutter wears prediction and detection technology; the theory of selective and active cutter change; systematic research on optimized cutters arrangement and cutter wear reducing and resistance. 

Key words: shield cutter, wear, wear reducing and resistance