Study on the Treatment of Landslide of Thick Accumulation Body on an Expressway
In a landslide treatment engineering of the thick accumulation body,the treatment design parameters are determined by inverse analysis of sliding surface parameters obtained in supplement survey and laboratory soil tests.Through the stability calculation and residual sliding force calculation analysis,the comprehensive retaining and drainage scheme of"anti-slide pile+φ108 mm steel pipe pile+deep drainage hole"is adopted,and the surface displacement monitoring and measurement is carried out.After treatment,the safety factors in slope stability analysis under normal and rainstorm conditions meet the standard requirements,and the surface displacement is generally stable after the completion of site protection engineering.
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