"Roughness analysis fracture surfaces, porosities, cement-based materials, confocal microscopy."@en . "68468" . "Experimental measurements showed a strong dependence of the height irregularities of fractured surfaces on the porosity of hydrated cement pastes. The present contribution brings the phenomenological derivation of the analytical relationship between compressive strength and height irregularities of fracture surfaces." . . . "Derivation of the relationship between porosity and height irregularities of fracture surfaces" . . . . "Ficker, Tom\u00E1\u0161" . "2013-12-04+01:00"^^ . "Proceedings of the 11th Workshop NDT 2013, Non destructive testing in engineering practice" . . . . . . . "RIV/00216305:26110/13:PU106897" . "Experimental measurements showed a strong dependence of the height irregularities of fractured surfaces on the porosity of hydrated cement pastes. The present contribution brings the phenomenological derivation of the analytical relationship between compressive strength and height irregularities of fracture surfaces."@en . "Vysok\u00E9 u\u010Den\u00ED technick\u00E9 v Brn\u011B" . "Brno" . . "6"^^ . "26110" . "Brno" . . . "[21AAAA7CF582]" . . "Derivation of the relationship between porosity and height irregularities of fracture surfaces" . . "Derivation of the relationship between porosity and height irregularities of fracture surfaces"@en . "978-80-7204-864-9" . "RIV/00216305:26110/13:PU106897!RIV14-GA0-26110___" . . "1"^^ . . "P(GA13-03403S)" . "Derivation of the relationship between porosity and height irregularities of fracture surfaces"@en . "1"^^ .