This book is a compilation of selected papers from the 2021 China-Europe International Conference on Pipelines and Trenchless Technology. The international academic conference is organized to
• further promote the cause of trenchless works in China
• ensure the quality of engineering construction
• introduce advanced technology, equipment, and materials
• promote the exchange and learning of trenchless technology
• enhance the level of trenchless technology in China
• improve the international influence of trenchless academics in China
• promote the standardization and localization of trenchless technology in China
• and lead the healthy development of the industry.
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