Based on the mechanism of load transfer and deformation of discretematerial piles, the relationship between stress and strain of pile and soil is analyzed.
根据散体材料桩复合地基荷载传递及变形机理，分析了散体材料桩与桩间土之间的应力应变关系。
2
The pneumatic moulding is a very complex mechanical process with the features of fast impact, discrete materials, combined geometrical and material nonlinearity.