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- The dam of the Dahuashui hydroelectric project is a RCC double curvature arch dam with gravity buttress on the left bank with a dam height of 134.50m. 大花水水电站拦河大坝为抛物线碾压混凝土双曲拱坝+左岸重力墩;最大坝高134.;50m;是目前国内在建的最高的碾压混凝土双曲拱坝。
- Fault tree analysis is used to analyse the high arch dam risk. 摘要利用故障树分析法对高拱坝进行风险分析。
- Arch dam is one of foremost dam types in hydropower projects. 拱坝是水利水电工程中最重要的坝型之一。
- The stability of arch dam against elastic buckling has always been ignored. 摘要拱坝的抗屈曲稳定性一直是未被重视的问题。
- Overturning and sliding are seldom a factor in the design of arch dam. 拱坝设计中很少考虑倾覆和滑动的问题。
- Problems and Countermeasures of Earthquake Evaluation for High arch Dam. 高拱坝重大地震灾变评估的障碍和对策。
- Cracking Analysis of High Arch Dam Heel Based on Deformation Reinforcement. 基于变形加固理论的高拱坝坝踵开裂评价。
- A separate structure is provided to block the space between the arch dam and the reservoir bank. 需要另有一种单独的结构物来填补拱坝的库岸之间的空间。
- 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。
- The dam profile design and stress analysis are the major contents in arch dam design. 拱坝的体型设计和应力分析是拱坝设计的主要内容之一。
- The dynamic performance test of dam concrete is a key problem to the construction of high arch dam at present. 大坝混凝土动态性能试验为当前高拱坝建设亟待解决的一个关键问题。
- Seepage proof facing plate or watertight concrete layer often locates in stone masonry arch dam. 在上游面或内部偏上游处设置了混凝土防渗层的砌石拱坝为成层异弹模坝。
- It is cumbersome to analyze arch dam equivalent stress for the finite element results of arch dam. 摘要在拱坝有限元分析成果的基础上进行等效应力计算是件繁琐的工作。
- A mathematical model of La Xi Wa arch dam including reservoir area and cushion pool is set up and then simulated. 建立了从上游库区到下游水垫塘的整体数学模型,对拉西瓦拱坝泄洪流场进行了数值模拟。
- Based on the emulate analysis,overloading modulus and wreck evolution process of high arch dam was completed. 通过仿真分析得到了小湾拱坝在各种荷载条件下的超载系数及拱坝的破坏演变过程。
- It is concluded that both boundary conditions are suitable in calculations of arch dam seimic input model. 黏性边界或黏弹性边界均可作为拱坝地震自由场输入模型中的吸能边界。
- The aseismatic stability of abutment jointed rock mass is the key problem of high arch dam. 高拱坝体型设计是关系到大坝安全和经济的关键技术问题。
- The seismic resistance of Xiaowan arch dam, where the contraction joints are considered based on substructure theory, is analyzed. 摘要应用动力非线性子结构理论,对设置伸缩横缝的小湾高拱坝实际工程结构抗震分析中的坝体横缝加抗震钢筋问题进行了研究。
- The shape optimization design model for an arch dam under the action of static loads is dissolved by using the evolution strategy. 摘要采用进化策略求解静力荷载作用下拱坝体型优化设计的数学模型。
- With Puding Hydroelectric Project,the paper studies prototype observation design and embedding technique for observation instruments of RRC arch dam. 随着坝工技术的发展,碾压混凝土筑坝越来越受到坝工界的广泛重视,然而作为研究和发展这一新技术重要手段的原型观测,却未能跟上其发展的需要。 为此,国家在“七五”及“八五”期间均设立了专门的研究子题。