The Independent Construction Laboratory
to the Transport Infrastructure and Construction Institute Ltd.

is accredited by the Executive Agency "Bulgarian Accreditation Service" with the following scope:

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  • Asphalt mixtures

  • Laid and compacted asphalt layers

  • Road bitumens

  • Polymer-modified bitumens

  • Road surfaces

  • Recipe design

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  • Fine fillers (mineral flour)

  • Rock materials for bituminous mixtures and pavements for roads, aerodromes and other transport areas

  • Rock materials for unbound and hydraulically bound mixtures for use in construction and road construction

  • Rock materials for ballast prism and railway lines

  • Concrete admixtures

  • Construction soils

  • Hydraulically bound mixtures

  • Mixtures of unbound materials

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  • Concrete mix

  • Concrete

  • Waterproofing of concrete bridges and other concrete surfaces on which vehicles pass

  • Design of the composition of cement-stabilized mixtures