First,the nature of the interactions at the basic level is decisive to the form at the systematic level,and the form plays reactive functions for the initial level of the production relations.

The economic and political conditions determine that the construction of the central villages should be taken as the basic level of township.

the basic level and the target level.

Study on transverse limit capacity of shallow foundation with short pile;

An Analysis and Prediction of Final Settlement of Buildings on Shallow Foundations;

Calculation and application of shallow foundation bearing capacity on condition of soft soil;