山西中南部鐵路通道重載鐵路隧道隧底加固方案研究
發(fā)布時間：2019-02-11 21:24
【摘要】：山西中南部鐵路通道將開行30 t軸重列車,荷載計算與有限元數(shù)值分析表明,列車軸重增加后位于富水軟弱圍巖及土質地層段隧道基底應力增大,在列車活載反復作用下隧道底部易形成病害。本文論述了對已先期建成的隧道進行基底加固的必要性,論證了采用隧底注漿方案進行基底加固合理可行。
[Abstract]:A 30-ton axle load train will be operated in the railway passage of central and southern Shanxi Province. The load calculation and finite element numerical analysis show that the stress of the tunnel base in the section of soft surrounding rock and soil strata with rich water increases after the axle load of the train increases. Under the repeated action of train live load, it is easy to form disease at the bottom of the tunnel. This paper discusses the necessity of the foundation reinforcement of the tunnel that has been built in advance, and proves that it is reasonable and feasible to use the grouting scheme to reinforce the foundation.
【作者單位】： 中鐵第四勘察設計院集團有限公司;
【分類號】：U457.3
[Abstract]:A 30-ton axle load train will be operated in the railway passage of central and southern Shanxi Province. The load calculation and finite element numerical analysis show that the stress of the tunnel base in the section of soft surrounding rock and soil strata with rich water increases after the axle load of the train increases. Under the repeated action of train live load, it is easy to form disease at the bottom of the tunnel. This paper discusses the necessity of the foundation reinforcement of the tunnel that has been built in advance, and proves that it is reasonable and feasible to use the grouting scheme to reinforce the foundation.
【作者單位】： 中鐵第四勘察設計院集團有限公司;
【分類號】：U457.3
【參考文獻】
相關期刊論文 前4條
1 王秀英;龔增進;劉維寧;;30t軸重條件下隧道技術標準研究[J];鐵道工程學報;2009年05期
2 曾暉;胡俊;王效賓;;蘇州地鐵一號線聯(lián)絡通道加固方式比選研究[J];鐵道建筑;2012年10期
3 鄒，
本文編號：2420118
本文鏈接：http://sikaile.net/kejilunwen/jiaotonggongchenglunwen/2420118.html
教材專著
