In this paper, the dynamic response of horizontal and rocking coupling caisson foundation of gravity offshore platform on layered soil is discussed on the basis of the layered semi-space theory.

本文基于层状半空间理论处理了位于层土地基上的重力式海洋平台沉箱基础的水平、摇摆耦合的动力反应问题。

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The dam axis of Wanjiazhai Water Control Project is located in the wide U shaped channel. The dam type is a straight semi monolithic gravity dam.

万家寨水利枢纽拦河坝轴线处河道断面呈偏宽“U”字形，坝型为直线半整体式重力坝。

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Once needing sinkage, the semi-spherical containers can be gradually opened for water inlet; when gravity is equal to buoyancy, the diving device can suspend in the water.

一旦需要下沉时，可将半球形容器逐个分开进水，当重力等于浮力时，潜水器可悬浮在水中。

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