Combined with subsea tunnel engineering at eastern route way in Xiamen,the minimum rock covering thickness of subsea tunnel,water pressure design values,section optimization of lining structure and waterproof and drainage project,construction measures throughout bad subsea geology section,such as fault,solution groove,necessity of service tunnel setting were analyzed.

Study on the minimum overlying rock thickness of a crossing-river tunnel by borehole-blasting method;

Comprehensive evaluation method for sealing ability of mudstone caprock to gas in each phase;

Evaluation on mudstone caprock in Nantun Formation and its effect on oil accumulation in Beier rift-subsidence basin;

Comprehensive e valuation on mudstone caprocks of Budate Group in Beier Rift;