The quantitative relationship of the forecast to differential settlement of annular wall foundation of controlled water tests to preload large oil tanks is reserched and expounded briefly.

Base on the Saint-Venant equation and priessmann difference,a mathematical model which a- dopted virtue discharge method and slot method for simulating continuous water-filling in Long-distance water transfer system is build.

Based on comprehensive analysis of Taiping coalmine hydrogeological condition and water outlet lithologic characteristics,through contrastive analysis of borehole water prospecting drainage and water sample tested data considered that the indirect water filling source of +700 level belt inclined winze may come from Mosuo River.

After analyzed the hydrogeological data from Baibu minefield,considered that the water filling sources of shallow part Nos.

based on fully analyzed the hydrogeological condition and mine water filling factors,estimated water conducted fracture zone height activated by the mining of No.

After analyzed the hydrogeological condition and water filling factors in the area,considered that the Jurassic bedded fissure and pore water is the direct water filling source,the Quaternary pore water,gob water and mine drainage are indirect water filling sources.

From the analysis of hydrogeological condition and water filling factors of both mines,predicted normal mine inflow and hazard in Luoyuan minefield through mine inflow comparison and analog method and groundwater dynamic formulae.

The water filling conditions and water prevention-control countermeasures of underground mine in Sanxin company;