|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2011年08 期
| 标题 |
| 轨底坡和轨头廓面对钢轨接触疲劳伤损的影响研究(51 卷) |
| 英文标题 |
| Study on influence of rail bottom grade and profile of rail head on contact fatigue damage of rail |
| 摘要 |
| LM型货车车轮分别与我国60 kg/m钢轨和美国136RE牌号钢轨匹配条件下， 60 kg/m钢轨1∶40轨底坡时，轮轨接触斑面积比1∶20轨底坡的面积小；美国136RE牌号钢轨在1∶40轨底坡条件下的轮轨接触斑面积与60 kg/m钢轨在1∶20轨底坡时接触斑面积相当。铺轨试验结果表明，60 kg/m钢轨在 |
| 作者 |
| 新闻作者:邓建辉,陈朝阳，邓 勇，刘丰收 |
| 关键字 |
