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2010年10 期
| 標(biāo)題 |
| 現(xiàn)澆道床板彈性模量變化對(duì)結(jié)構(gòu)的影響分析(50 卷) |
| 英文標(biāo)題 |
| Analysis about influence of elastic modulus change of casting in-situ formation slab on track structure |
| 摘要 |
| 長枕埋入式無砟軌道的道床板為現(xiàn)澆，在長枕與道床板的結(jié)合部易產(chǎn)生裂縫。為分析現(xiàn)澆道床板彈性模量對(duì)軌道結(jié)構(gòu)的影響，本文建立了實(shí)體有限元模型，研究了在豎向力、橫向力和縱向力作用下，開裂與不開裂二種狀態(tài)下的受力情況，進(jìn)而得出彈性模量對(duì)結(jié)構(gòu)應(yīng)力和位移的影響,得到不開 |
| 作者 |
| 新聞作者:蓋曉野，張麗平，趙坪銳 |
| 關(guān)鍵字 |
