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1. Especially in RCC arch dam, the question of thermal stress is particularly outstanding.

2. The stability analysis of arch dam abutment rock mass include numerical method analysis and model experiment analysis.

3. The stability of arch dam against elastic buckling has always been ignored.

4. Arch dam is the safest of all water retaining structures.

5. The methods of arch dam abutment rock mass include numerical method analysis and model experiment analysis.

6. Goupitan arch dam is the higher arch dam in construction of the world at present.

7. For the arch dam which reservoir has no suitable breach to build lasher and has mass flood discharge, opening large orifice for flood discharge has great advantage.

8. The stress analytic method of arch dam covers pure arch method, arch beam sharing method, finite element method, calculating method of shell theory and structural model test method.

9. The gravity - arch dam of Dashankou Hydropower Station and its geologic and climate conditions are introduced.

10. Utility by the masonry arch dam, diversion system and the powerhouse three major components.

11. anti-seismic analysis of concrete arch dam is significant content of arch dam's safety estimate. "

12. Masonry multi - arch dam is one of the best types of dam of hydraulic engineering.

13. The application of computers in setting-out of arch dam and graph processing has not only improved the accuracy but also increased the speed of work.

14. Shape of arch dam is very important to its safety, cost and construction.

15. The superiority of arch dam is more evidence in dam.

16. The finite element internal force method for calculating arch dam equivalent stress is improved.

17. The unstable the right abutment of Danjiang arch dam analyzed under the thrust from arch dam.

18. Three-dimensional finite element model of Lijiaxia Hydropower Station is established to monitor operation condition of the arch dam.

19. Overturning and sliding are seldom a factor in the design of arch dam.

20. In this paper the arithmetic of 2D column drawing and 3D perspective drawing of the concrete pouring for arch dam is studied(sentencedict.com), and the concrete pouting is simulated by computer.

21. In-situ deformation tests are made at 35 points in the unloading zone with conditions of loading path and the maximum pressure similar to that of the arch dam acting on the rock mass.

22. At present, the vertical incidence of seismic wave is considered in the seismic response analysis of arch dam.

23. Make use of table analysis, modal analysis of ANSYS finite element software motive force to analyze shake stress analysis of the arch dam.

24. Fault tree analysis is used to analyse the high arch dam risk.

25. Therefore the change of temperature has great effect on the stresses of concrete arch dam.

26. Its reasonable and feasibility are discussed by analyzing Xiloudu arch dam under gravity and water pressure.

27. The horizontal arch ring type and its shape optimization are the two important considerations in arch dam design.

28. Abutment stability problem is very important in the design and study of arch dam.

29. The main purposes of the second stage artificial cooling in concrete arch dam are to make transverse joint grouting possible[sentencedict.com], and decrease the dam's temperature stress.

30. The 3D digital simulation of the stresses of Xiaowan arch dam under different self-weight exaction ways and initial impoundment process has been done.