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2011年01 期
| 標(biāo)題 |
| 鋼彈簧浮置板軌道支點(diǎn)力動力特性分析(51 卷) |
| 英文標(biāo)題 |
| Dynamic performance analysis of track’s fulcrum pressures transferring to steel spring floating slab |
| 摘要 |
| 建立了車輛—浮置板軌道垂向耦合動力學(xué)模型，其中鋼軌為彈性離散支承有限長Euler梁，浮置板為彈性離散支承有限長自由梁。以美國五級譜作為隨機(jī)不平順激擾，計(jì)算分析了鋼彈簧支點(diǎn)力動力特性。結(jié)果表明，支點(diǎn)力峰值隨車速的提高而增大,其頻率成分主要由車速、車輛結(jié)構(gòu)特性以及 |
| 作者 |
| 新聞作者:李俊嶺，徐鵬，翟婉明，蔡成標(biāo) |
| 關(guān)鍵字 |
