The impact of transverse cross terrain slope on the volume of earthworks in construction of forest roads on steep terrain

Zemljani radovi (radovi na donjem ustroju) predstavljaju najveći trošak pri izgradnji šumskih cesta na strmim terenima te čine i do 80 % ukupnih troškova izgradnje, što naravno uvelike ovisi o konfiguraciji terena, umješnosti projektanta pri postavljanju osovinskog poligona te polaganju nivelete u crtani uzdužni profil terena. Cilj je ovoga rada bio je temelju podataka koji su prikupljeni za sve pojedinačne profile duž 8 trasa šumskih cesta projektiranih tijekom 2018. godine u šumariji Korenica, g.j. Trovrh-Kik, ustanoviti postoji li međusobni utjecaj poprečnoga nagiba terena i vrijednosti radne kote na površine iskopa, površine nasipa, širinu trupa šumske ceste odnosno u kojoj mjeri navedene nezavisne (prediktorske) varijable utječu na zavisne (kriterijske) varijable.Earthworks (works on the lower structure) represent the highest cost in the construction of forest roads on steep terrains and make up to 80% of the total construction costs, which of course largely depends on the terrain configuration, the skill of the designer in setting the vertical alignment to a vertical terrain configuration. The aim of this work was based on the data collected for all individual profiles along 8 routes of forest roads designed during 2018 in the forestry office Korenica, Management unit Trovrh-Kik, to determine whether there is a mutual influence of the cross section slope of the terrain and the value of the depth of carriageway on the cut and fill surfaces, subgrade daylight distance or to what extent these independent (predictor) variables affect the dependent (criterion) variables