| 1. | In connection with its self properties , we make an inquiry into the major parameters , such as ratio of height and span , equation of arch axis , geometry size of section and so on
针对该桥自身的特点，对拱肋矢跨比，轴线方程，截面的几何尺寸等主要技术参数做了探讨。 |
| 2. | Furthermore , after parameter analysis , the following results are obtained : the effect of rise - to - span on the structure ' s dynamic internal forces is distinct , while the effect of mass parameter is little
此外，通过参数分析，发现矢跨比对结构的动内力影响比较明显；而质量对结构动内力的影响不大。 |
| 3. | The research results indicate that it is the best plan for suspension rod to be constructed from main tower to side pier and for second dead load to be loaded before the bridge has been completed
4 .研究了主缆矢跨比、加劲梁刚度、主塔刚度、主缆抗拉刚度等结构参数变化对平胜大桥静力力学性能的影响。 |
| 4. | Influence to geometry nonlinear stability of orthogonal vierendeel dome by changing rise - to - span ratio , shell thickness and section area was studied and some useful conclusions were obtained for practical engineering
分析了正交空腹网壳结构的矢跨比、网壳厚度、腹杆截面对其非线性稳定性的影响，得出若干对工程设计有参考价值的结论。 |
| 5. | The function relationship between the parameters and the ultimate load - carrying capacity is established and the parameter influence on ultimate load - carrying capacity is analyzed respectively via the statistic of the result
对计算结果统计后建立了极限承载能力与矢跨比、壳体厚度等参数的函数关系,系统分析了各个参数对网壳承载力的影响。 |
| 6. | The influence of some design parameters , such as density of net , rise - span ratio , height of strut , prestressing tension of cable , are analyzed , some economical and reasonable optimized parameters were gotten
分析了网格密度、矢跨比、撑杆长度、钢索预应力值等设计参数对弦支穹顶各项性能指标的影响,得到了经济合理的设计参数取值范围。 |
| 7. | In addition , based on the analysis of several factors including the single - double - layer span ratios , the height - to - span ratios and the pipe types , the nonlinear analysis gives important suggestion to engineering application
同时考虑了几何非线性的影响，在几何非线性的影响下分析结构随跨度、矢跨比、网格频数等参数受地震荷载的响应情况，对工程应用提出有科学价值的建议。 |
| 8. | And then , further research work is done to study some influencing factors to the final control effect , such as different replacing places and numbers of bottom chords , damp parameter of various dampers and the radio of height and span of the shell
在此基础上，对不同的阻尼杆替换数量和位置、不同阻尼杆阻尼系数、不同地震波以及不同的网壳矢跨比对减震效果的影响做了分析。 |
| 9. | 3 ) the influences on the internal forces by some variable parameters such as the ratio of the rise to span and the stiffness ratio are compared . the optimal range of these parameters is pointed out and some advances are also given
研究探讨了矢跨比、拱梁刚度比等参数对预应力混凝土连续梁拱组合体系桥梁结构内力的影响，并得出合理的取值范围，为设计人员选取结构参数提供参考。 |
| 10. | The vibration shapes - separation - spectra - method and time - history method are used to analyze the dynamic response of the cable - bar structure under common earthquake . and the effects of the rise - to - span ratio and the mass distribution are studied
本文分别采用反应谱法和时间历程法对环状索杆结构的地震响应作了较详细的分析，研究了矢跨比、质量分布对环状索杆结构地震响应的影响。 |
