Trylinka
(; , also known as (), is a concrete block, typically shaped as a regular hexagon or occasionally a tetragon, with stone fragments embedded in its upper layer. The types of stone used for these embedments, such as basalt and Porphyry (geology), porphyry, vary depending on local availability. Cost-effective and durable, were widely implemented in Polish road construction during the interwar period. Between 1933 and 1938, these pavers were installed across an estimated 1 million square metres (11 × 106 sq ft) of roadway. Some of these paved surfaces remain extant in what are now Belarus and Ukraine. ''Trylinka'' is named after its inventor, Władysław Tryliński, a transportation engineer credited with the engineering design of the Maurzyce Bridge, a project he shared with construction engineer Stefan Bryła. Whilst overseeing the production of construction aggregate, aggregates and paving slabs at the , Tryliński observed that the manufacturing process gene ...
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