In order to better meet the needs of D&B tunnel
construction and development, solving the issues associated with the "four
multiples" and the "four difficulties" that restrict the
development of D&B tunnel construction is necessary. A processbased
intelligent construction system is first proposed for D&B tunnels, where
dynamic cycle control (i.e., perception, evaluation, decisionmaking, execution, and feedback) is contained in the system. In
addition, an integrated solution for intelligent D&B construction based on
singleprocess intelligence, multiprocess intelligence, and allprocess
intelligence is established. On this basis, the key technologies, including
tunnel data communication and transmission technology, tunnel environment
perception technology, tunnel construction equipment control technology, and
intelligent tunnel control technology, are systematically studied, providing
important technical support for the construction of intelligent D&B tunnel
construction systems. The intelligent drill jumbo, the intelligent rock bolting
jumbo, and the intelligent wet spraying jumbo, as well as related intelligent
functions, are discussed. Finally, development and application prospects and
the implementation of intelligent drilling-and-blasting tunnel construction are
forecasted, so as to further promoting the safe, efficient, economic, green,
and sustainable development of tunnel projects in China.