Application of Foamed Concrete in Road Pavement – Weak Soil System. (2017)

• Record Type: Journal Article
• Authors: Kadela, Marta; Kozłowski, Marcin; Kukiełka, Alfred
• Is Part Of: Procedia engineering. Volume 193(2017)
• Page Start: 439
• Page End: 446
• Publication Date: 2017
• Subjects: light foamed concrete -- LFC -- layered structures -- pavement -- subbase layer -- bearing capacity -- FEA -- calculation model; Engineering -- Congresses; Engineering -- Periodicals; Engineering; Conference proceedings; Periodicals; 620.005
• DOI: 10.1016/j.proeng.2017.06.235
• Languages: English
• ISSNs: 1877-7058

Abstract

Abstract: The paper presents results of laboratory tests on foamed concrete and results of numerical simulations of road pavement – weak soil system with a subbase layer of foamed concrete. Physical properties of foamed concrete with varying density (500-1300 kg/m 3 ) were investigated. A series of tests was carried out to examine density, porosity, compressive and flexural strengths. Furthermore, numerical simulations were performed to investigate the possibility of using of foamed concrete as a subbase layer for a pavement structure. The results of numerical simulations show that the maximal tensile stress in the lower zone of subbase layer, for the pavement structure KR5 and subgrade types G1÷G4, is lower than the flexural strength of foamed concrete with the density of 860÷1060 kg/m 3 determined in laboratory tests. It shows potential possibility of using foamed concrete layer as a subbase for pavement structures.