Because of the special bucket foundation con structure, it is difficult to measure the bucket foundation installation error by using transit.
根据桶形基础的特殊形式,采用普通经纬仪对桶基安装误差进行测量是比较困难的。
In the present paper the dynamic stress distribution and stress con-centration factor in the neighbourhood of caverns under impulse loadingare given by using dynamic photoelastic method.
本文用动态光弹性方法,分析冲击荷载作用下岩洞周边的动应力分布和动应力集中系数。
Moreover the vibration frequencies of the plate are computed using iterative method, which begins with the in vacuo eigenfrequency and continues until in-water eigenfrequency con-verges.
从真空中模态特征频率出发用迭代法直到水中频率收敛为止而得到水中方板的特征频率,进而计算了方板的棤态辐射效率。
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