Parametric analysis is carried out to investigate the effects of soil dilation and overburden pressure on the soil nail pulloutresistance.
结果显示，当上覆压力较小时，剪胀角对抗拔应力的影响较小。
2
It is of great interests to engineers and researchers to study the mechanism of the soil nail pulloutresistance under different conditions.
土钉在不同条件下的抗拔机制仍是进一步研究的课题。
3
In the support project of soft-rock tunnel, the pulloutresistance of the Self-screwed Slip Casting Tube Bolt is the critical technical parameter that related to the security of anchorage system.