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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