Research On The Influence Of Greening Reconstruction Technology On The Stability Of Anchor-sprayed Slop

When using anchor spray support for road slope protection,excessive pursuit of strength and effectiveness can easily lead to the problem of single highway landscape and low vegetation coverage.The widely used ecological slope protection technology is suitable for gentle slopes,and the ecological slope protection effect on high and steep rocky slopes is not ideal.Therefore,this article combines engineering examples to study new ecological slope protection technology suitable for anchor spray high and steep rocky slopes.Through PLAXIS finite element software,uniform experimental design,and multiple linear regression methods,the impact of green reconstruction technology on the stability of anchor spray slopes is analyzed.The main research content includes the following four aspects:(1)By conducting field surveys on the steep and rocky slopes of the Henghe to Puzijie Village Road in Wanzhou District,and considering local climatic conditions and geological conditions,the long-term ecological effects,hydrological effects,effectiveness of green landscape,and long-term sustainable stability of slopes are comprehensively considered,and the technology of green reconstruction of sprayed slopes is proposed.(2)Considering the influencing factors of the stability of sprayed slopes by green reconstruction technology,a numerical model of the steep and rocky slopes of the Henghe to Puzijie Village Road anchored by spray is established through PLAXIS finite element software,and sensitivity analysis is carried out through uniform test design and multiple regression analysis to determine the primary and secondary order of factors influencing,including planting hole spacing,rainfall intensity,planting hole depth,rainfall duration,planting hole inclination angle,permeability coefficient,and planting hole diameter.(3)Combined with single-factor analysis and finite element numerical simulation,the variation rules of the safety factor and total displacement of the slope under different working conditions are obtained.The results show that the impact of green reconstruction technology on the stability of sprayed slopes in the Henghe to Puzijie Village Road is relatively small under the conditions of planting hole spacing not less than 2m,depth not exceeding 0.6m,inclination angle not exceeding 70°,rainfall intensity within 200mm/d,and rainfall duration less than 5d.(4)Based on green reconstruction technology,long-term monitoring of displacement and vegetation growth conditions of the steep and rocky slopes of the Henghe to Puzijie Village Road is carried out,and the results show that the horizontal displacement of the slope during the monitoring period is 2.07 mm,the vertical displacement is 2.83 mm,and the slope is stable during the monitoring period.The temperature and humidity inside the planting hole can meet the needs of vegetation growth.Through the evaluation of the greening effect and economic benefits,the green reconstruction technology of sprayed slopes has good greening effect,low cost,and is worthy of universal promotion and application.