| 1. | Stucly on extension of storage capacity curve
库容曲线内延方法研究 |
| 2. | The capacity curves obtained by push - over analysis method and inelastic dynamic history analysis method are compared
利用具体算例比较了push - over方法和时程分析方法建立的能力谱曲线。 |
| 3. | Sparedescription : based on infiltration capacity curve , the paper demonstrates the amelioration of soil infiltration capability under the soil and water conservation measures from theoretical and experimental analysis
描述:从土壤水分下渗能力曲线出发，从理论和实验分析两方面说明水土保持措施下土壤入渗性能的改良作用。 |
| 4. | The capacity curves obtained by push - over analysis and inelastic dynamic history analysis method are compared . the results show that push - over method can replace inelastic dynamic history analysis method to analyze bridge structure under some conditions
通过具体桥梁实例，进行了结构的push - over分析得到的能力曲线与非弹性时程分析方法得到的能力曲线平均值进行比较研究，得到了较一致的结果。 |
| 5. | For example , the intersection between the capacity curve and demand curve ca n ' t represent the same kind of nonlinear state exactly . the excessively simplified capacity curves will reduce the precision of calculation using the method of capacity - demand curves
当前能力-需求曲线法还存在如下问题：首先，现有能力-需求曲线法结构模型的建立误差以及对建立能力曲线和需求曲线模型的影响因素考虑不当所造成计算结果不准确。 |
| 6. | Considering that the infiltration capacity curve can ' t express the actual infiltration capacity , the authors develop the surface runoff yield models that combine with the infiltration capacity curve , unstable raining process and antecedent soil moisture in each rainfall or over a duration time
考虑到流域实际的下渗能力，建立了将下渗能力曲线、不稳定降雨过程和前期土壤含水量有机联系起来的流域场（时段）暴雨地表径流计算模式。 |
| 7. | The vulnerability evaluation procedure of hazus99 which is widely adopted in the united states and world wide is introduced in briefly . then the general technical frame of the first part is illuminated as follows : by means of the form of hazus99 , the earthquake action is expressed by demand spectra and the capacity of buildings is described by capacity curve
在此基础上，本文叙述了“吸收hazus99的表达形式，以需求谱来表达地震作用、抗力曲线表达结构的抗震能力，用需求谱和抗力曲线的交点确定的谱位移和各个震害等级对应的谱位移均值和标准差一起，分别计算建筑物对应各个震害等级的超越概率，获得易损性曲线”的一套完整的技术思路。 |
| 8. | For example , the pushover curve analysis has no way to consider the hysteretic energy and the energy dissipation in other ways , and to consider the material fatigue and the scathe in the structures " to - and - fro motion . the work done in this thesis is mainly as follows for trying to make better of the capacity - demand curve in existence : 1 . confirm the factors those caused the discrepancy between the different capacity curves : the shape of lateral load distribution , assumption of member bars model , irregularity of the structures , p - effects
为此，本文有针对性地开展了一些工作：阐述了基于性态的设计方法和基于位移的设计方法的相关概念及发展历程；介绍了几种现有的能力-需求曲线法的原理及分析步骤并剖析了它们的不足；列举了影响能力-需求曲线法计算准确性的主要因素，通过算例比较分析它们各自的影响程度从而得出了其中最为重要的影响因素；针对已有的分析结论提出了对现有能力-需求曲线法的改进方案，通过算例分析验证了改进效果。 |
| 9. | The probability of being or exceeding a given damage state of buildings by a given ground motion intensity is calculated from the spectral displacement corresponding to the intersecting point of the demand spectrum and the capacity curve , the median value of spectral displacement at which the building reaches the threshold of the damage state and the standard deviation of natural logarithm of spectral displacement of the damage state
文中，讨论了非弹性需求谱的推算，将现行抗震设计规范中规定的反应谱换算得到的弹性需求按对应的谱位移折减，得到非弹性需求谱。依对应的谱位移在四个需求谱上的四个点和原点，构造了典型建筑物的抗力曲线。 |
