Peningkatan Stabilitas Lereng pada Ruas Jalan Tawaeli – Toboli dengan Vegetasi/Bioengineering

Tawaeli - Toboli is one of the road that often undergo landslide. Most these roads are in a mountainous area with high steep slopes and poor soil conditions. The conditions worsened, especially rainy season resulting citizen do not know anywhere prone to landslides such as Km 16 17. purpose this study was analyze slope stability using bioengineering methods, determine shear strength without plant roots potential for will occur. Bioengineering used increase soil, stabilize reduce erosion on slopes. calculation Bishop slice method. calculating safety factor analyzed Slope / W application manually. Soil samples were taken from 3 (three) points parameters, cohesion friction angle, obtained through laboratory testing. Tests carried out rootless rooted samples. In addition, direct field observations made obtain angles heights. results showed parameters strength, angle increased presence roots. analysis show stable at 1 (Km 16) 17) greater than 1.5. While 2 +300) has less use increases be value program manual much different, but time faster