新型地铁带齿预埋槽道在盾构隧道中的仿真研究

来源 :济南大学学报:自然科学版 | 被引量 : 0次 | 上传用户:w8521843d
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针对地铁盾构隧道专用预埋槽道技术问题,运用有限元软件ABAQUS,对现有6种型号带齿预埋槽道进行仿真,分析轴拉、剪切静力荷载作用下预埋锚杆、锁紧螺杆、槽道等主要部件的力学性能。结果表明:在轴拉荷载作用下,仅最大型号槽道的应力小于限值,其余型号槽道的应力均大于限值;仅最小型号预埋槽道的混凝土压应力大于限值,其余型号预埋槽道的混凝土压应力均小于限值;在横向剪切荷载以及轴拉与纵横向剪切荷载共同作用下,6种型号槽道的应力均大于限值。
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