| 1. | Specification for x - ray lead - rubber protective aprons for personal use 个人用防护x射线夹铅橡胶围裙规范 |
| 2. | The lead - rubber - bearing ( lrb ) is a type of isolation device in its entirety 铅销橡胶支座是整体型减隔震装置的一种。 |
| 3. | Influence of dynamic characteristics of lead - rubber bearing on seismic response of continuous beam bridge 铅芯橡胶支座动力特性对连续梁桥地震响应的影响 |
| 4. | In this dissertation , the potential of using lead - rubber bearing to achieve seismic isolation have been studied in three stages 为了促进和提高我国桥梁的隔震技术水平,本文进行了三方面的研究工作。 |
| 5. | As energy - absorbers and bridge isolation devices , the lrb ( lead - rubber - bearings ) have the effective ability of aseismic 铅销橡胶减震支座( lrb )既是一种隔震装置,也是一种耗能阻尼器,具有良好的减震性能。 |
| 6. | It is anticipated that this paper would have some referential value to the design , application and production of lead - rubber - bearing and accelerate its process of the practicality 希望本论文将对铅销橡胶支座的设计、应用和生产具有一定的现实参考价值,可以加速铅销橡胶支座的实用化进程。 |
| 7. | Last , two examples , of the response of a bridge with the lead - rubber bearing , were designed and analyzed based on the conclusions and the regression formula from this dissertation 最后,运用本文得出的结论及回归公式设计铅芯橡胶支座,并进行铁路简支梁桥、城市轻轨连续梁桥的地震响应分析。 |
| 8. | First , a series of mechanical characteristic tests for lead - rubber bearing was taken . the relations among the mechanical properties of lead - rubber bearing with its different structure dimension and load have been studied 首先,通过铅芯橡胶支座的力学性能试验,系统研究了铅芯橡胶支座的力学性能与其结构构造及外加荷载之间的关系。 |
| 9. | The result indicates that the mechanical properties of lead - rubber bearing mainly depend on its geometry structure and material components . and the properties are reasonably stable during loading and unloading reciprocating cycle 研究结果表明:铅芯橡胶支座的力学性能主要由其本身的结构构造及组成材料决定,且在往复加、卸载循环过程中具有较好的稳定性。 |
| 10. | Abstract : at first , the shaking table test of a gravity pier model was done . the comparison between the test data and the theoretical analysis results of the model showed that they are identical to each other . the dynamic model of a whole bridge with gravity piers and lead - rubber bearings was set up . the positive role of lead - rubber bearings on lowering the seismic responses of railway bridge and the seismic character of gravity piers were analysed . some earthquake resistance measures of railway bridge with gravity piers were put forward 文摘:首先进行了重力式桥墩模型振动台模拟地震试验,试验与理论分析结果基本一致;然后建立了采用铅芯橡胶支座的重力式桥墩桥梁全桥体系动力分析模型,计算分析了铅芯橡胶支座对桥梁的减、隔震作用及重力式桥墩的抗震性能,提出了重力式桥墩桥梁的抗震措施。 |