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1·The immersed water depth of the upper miter gate at first step is up to 35 meters.

其第一级上闸首人字门的淹没水深达35米。

2·FEM computing technique for hydraulic hoist cylinder of lock miter gate is introduced.

介绍船闸人字门液压启闭机油缸的一种有限元计算方法。

3·A fracture dynamics analysis is given to an accident on a gudgeon link of the miter gate of a dam.

对某水坝船闸人字门拉杆断裂事故进行断裂动力学的定性与定量分析。

4·The gate can be divided into plane gate, arc gate and miter gate according to the types of structure.

闸门根据结构型式可分为平面闸门、弧形闸门、人字闸门等。

5·A study is performed on the method for design of a miter gate CAD system and some correlative functions of the system.

对船闸人字门CAD系统的设计方法进行了研究，探讨了相关的设计问题。

6·In view of gate design in commonly adopt design method of plane system, the width of miter gate plate which participative working of the grider or beam is analyzed.

针对闸门设计中常用的平面体系计算方法，分析了人字门钢面板参加主(次)梁工作的有效宽度。

7·Combined with the engineering practice of the Dayuandu project, the process of applying prestress on the back tie rods of the miter gate is also described hereinafter.

并结合大源渡工程实践介绍了对人字门背拉杆施加预应力的方法。

8·Traditional method for overhaul of the top of miter gate is through manual operation by hydraulic hoisting jack which has the shortcomings of low efficiency and great risk.

摘要船闸人字门顶门检修的传统方法是采用液压千斤顶手动作业，工作效率低，时间长，技术风险大。

9·The design scheme of installing pre-stressed anchorage rod in the channels of A and B tension bar in the top pintle of miter gate has been adopted, which is the first one at home.

工程采用的在人字门顶枢A、B拉架预留槽内预埋预应力锚杆的设计方案，在国内尚属首例。

10·The installation of the miter gate for Three Gorges Permanent Lock has the characteristics of big construction difficulty, high installation accuracy requirements and many assembly parts.

三峡永久船闸人字门安装具有施工技术难度大、总装精度要求高、安装部件多而杂等特点。