Abstract:To perform a comparative analysis of seismic stability on a common slope support form, the corresponding numerical model for the following was established: a comparative analysis pile, a pile with pre-stressed anchor, and lattice beams with pre-stressed anchor. The seismic stabilities of these three kinds of support form were then calculated. The results show that, after the earthquake, the three kinds of support form are basically the same, along with the amplitude attenuation coefficient of slope stability and deformation, although the attenuation of lattice beams with pre-stressed anchor was slightly weaker. From the magnification of the force structure perspective, the force amplification level of the anti-slide pile was significantly higher than those of the two other kinds of support form. Furthermore, the pre-stressed anchor not only improved slope stability, the supporting structure can also enlarge the internal force, thereby enhancing the safety performance of the support structure. These conclusions can provide references for the choice of slope support form in the earthquake zone.
