通过数值计算，分析了土层模量变化、土层饱和度变化以及桩身截面变化对桩顶频域和时域响应曲线的影响。
Through numerical calculation, the influences of the variations of the modulus and degree of saturation of soil layer and cross-section of the pile on the response are analyzed.
通过对变截面多跨不等高排架位移条件的分析，导出了此类结构在一般荷载作用下的柱顶剪力及变形计算公式。
Formula for calculating shear and displacement of the top of column in bentuncler general load has been proposed the basis of analysis of displacement conditions ofbent.
简要介绍大截面铝母线的热顶铸造技术。
The hot pot die casting technology of large cross section aluminum bar are introduced.
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