The transverse influenced range of groundwater has close relation with the water conveyance amount and duration,extending with water conveyance processes.

Determination impact area of traffic incident;

In order to study the impact area and the impact level of urban rail transit(URT) on development benefits,the authors carried out an investigation on the estate price of 2002 along Shanghai RT Line 1,analyzed the relationship between the sale price and the distance from station,obtained the actual impact of some stations of Shanghai Rail Transit Line 1.

The modeling of impact area of urban rail transit development benefit is also disc.

Diversion tunnel stress redistribution and inner water pressure influence scope;

In order to study the influence scope of vacuum preloading,Plane Strain Finite Element Method is employed to analyze the effective influence depth and horizontal influence scope of soft ground improvement by vacuum preloading in combination with the experimental results in the Jialichen Bridge site.

In defining local exclusive legislative authority,we should adopt comprehensively the standards of "influence scope" and "importance" of affairs,and begin with defining "local affair.