From December 3, 2005 to May 18, 2006, a water injection-induced seismicity test was conducted on DuPont test well 1 for about six months by China Earthquake Administration.

Effects of temperature and pressure on seismic monitoring for waterflooding.;

Combined with the continuous concrete box beam construction in Haizigou bridge work as example the pumping grouting method of vertical prestressed duct of reinforcement are analyzed from four aspects: drilling, intubation, pumping and grouting; at the same time corresponding resolving measures are proposed.