However,an uniform vertical stress distribution on the soil/tyre interface has been used to predict compaction of cultivated soils during traffic by most of models.

On vertical arrangement of Pingyao ancient town;

It emphasizes introducing the designing principle of water tube plane arrangement,vertical arrangement,tube diameter fixation and tube selection,and points out that it is far different from other municiple or factory design so it should be designed according to its characteristics.

According to expatiate collecting industrial place of a mine,it analyzes gross plane and vertical arrangement way of the place,expounds problems emerged in gross picture design and settled methods,introduces the application of AutoCAD Civil 3D in this item,consequently to enhance design efficiency greatly.

These characteristics include the resistance of internal pressure and longitudinal crack through ring tendons,resistance of lateral flex and transverse crack through vertical tendons,and maintenance of rock stability through inside anchor and external pressure.

The article still focuses the introduction on the plane layout mode and the vertical layout mode of the drainage pipeline network.