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- Design of Geheyan arch gravity dam featured by upper gravity dam and lower oblique arch 隔河岩上重下斜封拱式重力拱坝设计研究
- arch gravity dam 重力拱坝,拱形重力坝
- Studies on hydraulic fracture of high concrete gravity dam were carried out with the interface model developed. 同时，利用所建立的考虑缝面水压的接触面模型对高重力坝坝踵水力劈裂展开了初步研究。
- The first use of high pressure jet and wash technology in foundation treatment of gravity dam is presented. 文中介绍了高压喷射冲洗工艺首次在我国重力坝基础处理上的应用。
- So the author opens out the system of Gravity dam CAD in ObjectARX and VBA on the base of AutoCAD 2000. 所以作者设计重力坝 CAD系统的开发是利用 ObjectARX、VBA对 AutoCAD 2000进行的二次开发。
- Firstly, according to the actual structure of gravity dam, three dimensions substance geometry model is built with Pro/Engineer. 首先,根据重力坝的实际结构,应用Pro/Engineer建造其三维实体几何模型。
- If the raio of MgO to cement is greater than 5%, it is possible to use MgO in the construction of RCC gravity dams and high arch dams without artificial cooling. 如能突破掺率5%25的限制，则有可能在全国把氧化镁混凝土应用于高拱坝和碾压混凝土重力坝，使混凝土筑坝技术有较大改观，但事关重大，为此应进行大量科学试验。
- It also includes a consideration of possible alternatives, such as a concrete gravity dam or an earth-fill embankment dam. 还要考虑到可能的备选方案，比如是选择混凝土重力坝还是选择填土筑堤大坝。
- The Tuka hydropower project is a medium-sized hydropower development with a roller compacted concrete gravity dam in Yunnan province,China. 云南土卡河水电站是一个中型水电工程,拦河坝为碾压混凝土重力坝。
- Wushe reservoir has a gravity dam with a linear shape and thick base. 6.Atop the dam is a water outlet to relieve flooding. 7. 图5：雾社水库采用混凝土重力坝，坝型呈直线，底厚上薄，重心在坝底，图6：雾社水库坝顶排洪道。
- The concrete in concrete gravity dam,especially in RCC dam,is a stratified structure,so that its stratification feature is key to the safety of concrete dam. 在混凝土重力坝尤其是碾压混凝土坝中,混凝土为成层结构,因而层面特性对混凝土坝的安全至关重要,个别坝段水平薄弱面的存在对混凝土坝的整体安全性有重要影响。
- A method for analyzing aseismic reliability of gravity dam is put forward in this paper. It is significant in theory and practice and is very convenient. 本文介绍了一种重力坝地震动力可靠度分析方法，方法简便适用，具有一定的理论和实际意义.
- Some statistic laws are discussed about the gravity dam's seismic responses of accelerations and stresses changing with the dam height and the foundation stiffness. 同时分析了重力坝地震响应加速度和动应力随坝高和坝基刚度变化的统计规律。
- The structure of the dam body and the diversion waterway of the 21st monolith of Longtan Roller Compacted Concrete(RCC) Gravity Dam is analyzed based on 3-D finite element method. 采用三维有限元法,对龙滩碾压混凝土重力坝21坝段坝体及引水道组合结构进行了分析。
- Aimed at the design demands of high RCC gravity dam for Longtan project that is about to start,the results of studies will provide the important reference basis. 研究工作针对龙滩高碾压混凝土重力坝设计的需要，其成果为即将开工的龙滩工程建设提供了重要的参考依据。
- The rigidity distribution of the gravity dam is usually determined with many difficulties because of complication of its geometry and the connection with the adjacent portion of the reservoir, as well as the action of hydrodynamic pressure. 重力型挡水坝的型体及与相邻坝段的连接都很复杂,加之还有动水压力的作用,结构刚度分布不易清楚确定。
- In this paper the concrete of gravity dam and the bedrock are considered as two different liner elastic materials and the cracks in the vicinity of dam heel are analysed as ones at the interface between two materials. 本文将重力坝坝体混凝土和坝基岩石分别视为两种线弹性均质材料,并将坝踵裂缝简化为两种介质材料交界面上的裂缝问题。
- The gravity dam supported by self weight for maintaining its steadiness is a kind of darning building , which is used as a kind of dam type most early, that has the history of 5 000 years approximately. 重力坝是依靠自身重量维持稳定的一种挡水建筑物,是人类最早使用的水坝坝型之一,约有5000年的历史。
- The arch has a span of 60 metres. 那个拱的跨度为60米。
- The boy walks through the undecorated arch. 那男孩走过未经装饰的拱门。
