with Hubei Yichang-Enshi (Hu-Rong-Xi)Expressway Construction Project as the background and with typical projectssuch as Baziling Tunnel, Miaoya Tunnel and Qishucao Tunnel as examples, thebook elaborates the construction technology for forked tunnel at big archsection, multi-arch section, small spacing section and transit section. Additionally,it also introduces, in details, the forked tunnel construction measurement andblasting technology and design and application of tunneling ventilation.

The book can be usedas the technical book for personnel engaged in tunnel construction, design andservice as well as reference book for college teachers and students of relevantmajors.

Guo Xiaohong: Professorate Senior Engineer, Ph.D.,Deputy Chief Engineer of CCCC Second Highway Survey & Design Institute Co.,Ltd., President of Rail Transit and Underground Engineering Institute; entitledto special governmental allowance; in charge of designing for a number ofsea-cross tunnels and mountainous tunnel projects in China.