| 1. | The degree of damage is justified by the pipeline ' s damage index
管线的损坏程度以破坏指标反映之。 |
| 2. | Such a damage index is defined as the ratio of the repaired length to the total length of pipelines
破坏指标的定义为须修复的管线长度与管线总长度的比值。 |
| 3. | From the study , it is shown that the value of damage index is decreased with the increase of damping ratio
研究同时表明，结构破损指数d值随着阻尼比的增大而减少。 |
| 4. | Extracting damage indices is the key to the study whose sensitivity determines the results of testing
其中，损伤信息特征量的提取是研究工作中的关键环节，它的灵敏程度决定了检测的成败。 |
| 5. | Consequently , the fragility curves and damage indices for gas pipelines can be constructed as functions of pgv and pga
准此，即可创建不同最大地表速度与最大地表加速度下管线的易损曲线与破坏指针。 |
| 6. | Some of the damage indices are insensitive to the structural damage when using dynamic parameters changing for damage diagnosis of truss structure
摘要利用结构动力参数的改变对空间钢网架进行损伤分析，其中许多指标对损伤并不敏感。 |
| 7. | On the base of above testing results , several new damage indices are derived which are more sensitive and could be used in practice
并在此基础上，推出了若干新的损伤信息特征量，提高了损伤检测的敏感性，为进一步将其应用于工程实际奠定了基础。 |
| 8. | Then the cross - section damage index is defined , including ordinary concrete cross - section , prestressed concrete cross - section and unloading concrete cross - section
定义了普通混凝土截面、预应力混凝土截面、考虑卸载情况的混凝土截面的损伤指标。 |
| 9. | ( 5 ) a reliability analysis method for reinforced concrete frames under " server earthquake " is presented . the limit - state function is established by global damage indices
（ 5 ）基于现行建筑抗震设计规范，提出一种钢筋混凝土框架结构在设计基准期内的抗震可靠度分析方法。 |
| 10. | The damage performance - based aseismatic design method can calculate distortion and dissipating hysteretic energy under seismic action , and form intuitionistic aim matrix of damage performance by damage index
基于地震损伤性能的设计方法考虑了地震作用下结构的变形和累积耗能，并将性能量化为损伤指数，形成直观的损伤性能目标矩阵。 |
