隧道不同开挖分部纵向间距应大于一倍的开挖影响半径。
The longitudinal distance of different excavation steps should be larger than the influence radius of excavation.
随着纵向间距的减小，每辆车的升力都增大，稳定性都变差。
With the decrease of the longitudinal spacing, the lift of vehicles increases, and their stability worsens.
增加横向钢筋应均匀分布在锚固区和搭接的间距应不超过5倍的纵向钢筋直径。
The additional transverse reinforcement should be uniformly distributed in the anchorage zone and the spacing of bars should not exceed 5 times the diameter of the longitudinal reinforcement.
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