秦岭隧道仰拱TBM浆体技术的研究  

Study on the Technology of TBM Casting Paste Under Invert in Qinling Tunnel

作　　者：金树新[1] 高振国[1] 罗永会[1] 

机构地区：[1]石家庄铁道学院建筑工程系,石家庄050043

出　　处：《石家庄铁道学院学报》2000年第3期82-86,共5页Journal of Shijiazhuang Railway Institute

摘　　要：采用专门设计的 TBM浆体技术制备压浆浆体 ,其各项性能显著改善。TBM浆体制备技术包括超长时塑化技术、浆体触变技术、补偿收缩技术等。研究表明 ,该项技术可保证TBM浆体在施工过程中长时间地保持良好的稳定性和可泵性 ,硬化后获得密实的结构、良好的物理力学性能和耐久性能。 TBM浆体技术是全断面施工的国产化配套技术 ,压浆浆体的长时间稳定性超过英吉利海峡隧道 ,达到了国际先进水平。The properties of TBM casting paste produced with a special TBM technology were modified greatly.This special TBM technology includes:(a)technology keeping plastici in of paste a long period;(b)thixotropic technology of paste,(c) technology compensating contraction The study presents that the stability and pumping workability of fresh paste using TBM technology are kept in a long period,the hardening concrete produced with TBM paste has a dense structure, good physical mechanical propert and durability.This one of series technology of TBM (tunnel boring machine).The stability of casting paste in long period ges ahead of the Tunnel of English strait and hase get a advanced level in world.

关 键 词：秦岭隧道 TBM浆体技术 压浆混凝土 流动性 

分 类 号：TQ177.6[化学工程—硅酸盐工业]