GEOTEHNIČKA ZAŠTITA KOSINE PRI IZGRADNJI OBILAZNICE DONJEG VAKUFA
GEOTECHNICAL PROTECTION OF SLOPE IN THE CONSTRUCTION OF THE DONJI VAKUF BYPASS

Summary/Abstract: This paper provides geotechnical protection of the slope in order to make the intersection No. 2 within the bypass Donji Vakuf. According to the project documentation, anchoring reinforced concrete "barbecue" construction with a slope of 4: 1 is provided for securing the slope at the intersection. The rest of the slope surface (above the AB structure) adapts to the slope of the existing slope. Locally in parts of the degraded rock, the open surface above the grill structure is secured with stacked stone concrete. The supporting structure consists of AB horizontal and vertical beams measuring 80x80 cm, and permanent geotechnical prestressed anchors with 6 steel ropes. Anchors are placed at all joints of horizontal and vertical beams, at an angle of 14.00 in relation to the horizontal, and overstrained with a force of 600 kN. The length of the anchors is 10m and 12m on the lower beams, and 15m on the highest beam Geotechnical anchors are formed as permanent and are built of Ø15.70mm cables. The cables come out of the beams for a length of 1.20 m, and are installed in a previously drilled well with a diameter of 150 mm. The connecting part of the anchor is 5m.

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