Transport facilities at AM "Struma"
Project image (missing)
Designing and construction of “Struma” highway lot 3.3 – passings from km 397+000 to км. 420+624
- Client
- NATIONAL COMPANY "STRATEGIC INFRASTRUCTURE PROJECTS"
- Architecture
- PARTERSHIP COMPANY "VIA PLAN - AMBERG" SOFIA
- Main contractor
- CONSORTIUM "STRUMA - LOT 3.3"
- Design
- Structures
- Main structural material
- reinforced concrete
- UNDERPASS 1 - at km. 400+220
- Characteristics
- - non retaining open excavation with slopes;
- single span rigid box-type frame;
- clear span distance - 9 m;
- clear height of structure - 6 m;
- 2 equal blocks, separated by expansion joint;
- total length of the facility - 30,3 m;
- highway traffic above the roof slab;
- trapezoidal retaining walls at both ends of the facility; - UNDERPASS 2 - at km. 402+140
- Characteristics
- - non retaining open excavation with slopes;
- single span rigid box-type frame;
- clear span distance - 9 m;
- clear height of structure - 6,3 m;
- 2 different blocks, separated by expansion joint;
- total length of the facility - 36,6 m;
- highway traffic above the roof slab;
- trapezoidal retaining walls at both ends of the facility; - UNDERPASS 3 - at km. 404+474
- Characteristics
- - non retaining open excavation with slopes;
- single span rigid box-type frame;
- clear span distance - 9 m;
- clear height of structure - 6,7 m;
- 2 equal blocks, separated by expansion joint;
- total length of the facility - 30,3 m;
- highway traffic above the roof slab;
- trapezoidal retaining walls at both ends of the facility; - UNDERPASS 4 - at km. 406+125
- Characteristics
- - non retaining open excavation with slopes;
- single span rigid box-type frame;
- clear span distance - 9 m;
- clear height of structure - 6,3 m;
- 2 equal blocks, separated by expansion joint;
- total length of the facility - 36,7 m;
- highway traffic above the roof slab;
- trapezoidal retaining walls at both ends of the facility; - CANTILEVER WALLS from km. 412+840 to km. 413+051
- Characteristics
- - 6 different types with various lengths and heights;
- horizontal footings with inclined stems;
- angle of inclination toward the back fill - 20÷30˚;
- flat and smooth front face;
- stepped variation in heights of different types of walls;
- waterproof expansion joints at every 20 m; - Phase/stage
- under construction