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In the project of casting yard for tunnel elements in Guishan of Hongkong-Zhuhai-Macao Bridge, the huge size of floating gate and its large hydraulic pressure have brought a great challenge to the design of base plate of dock entrance. We designed one new type of base plate of dock entrance with functions of guidance and supporting after a series of studies. We introduced the new-type base plate structure of the dock entrance, and focus on the key technologies such as design concept, design method and structural properties. The structure has played a good role in the operation of the casting yard, and effectively guaranteed the installing precision and steadiness of floating gate during its operation. [ABSTRACT FROM AUTHOR]

In the project of casting yard for tunnel elements in Guishan of Hongkong -Zhuhai -Macao Bridge, rubber buffer is proposed for the first time to be used as buffer unit for large -scale floating gate. In the design process, the design principle of rubber bearing is adopted and the interaction between rubber buffer and floating gate is simulated by finite element software ANSYS. Through the analysis of stress and deformation of rubber buffer, we determined a reasonable option for structure size and arrangement. Good application result fully verified the feasibility of this design method, which will contribute reference for other engineering. [ABSTRACT FROM AUTHOR]