棘齿弹簧为所述棘齿爪提供拉力。
Characteristic of this design is high reliability, small volume, big tensile force end so on.此设计的特点是:可靠性高、体积小、拉力大等。
The tensile force of per soil nailing and the distributing shape of soil nailing force can be calculated.数值法可以计算出各排土钉的拉力以及土钉力沿土钉长度的分布形态。