Open AccessThe influence of CBR parameters of low-frost-susceptible soils on the process of airport pavement design
Author(s) -
Jan Marszałek,
Ryszard Chmielewski,
Damian Waliszewski
Publication year - 2018
Publication title -
biuletyn wojskowej akademii technicznej
Language(s) - English
Resource type - Journals
ISSN - 1234-5865
DOI - 10.5604/01.3001.0012.6611
Subject(s) - dimensioning , california bearing ratio , silt , frost (temperature) , geotechnical engineering , environmental science , pavement engineering , soil water , asphalt , subgrade , engineering , geology , soil science , materials science , paleontology , geomorphology , composite material , aerospace engineering
The paper presents the issue of layer thickness selection in designing of concrete airport pavementsdepending on the values of soil substrate calculation parameters. This analysis is based on laboratorytesting of low-frost-susceptible soils, specifically silty sands of various silt content, for which the CaliforniaBearing Ratio values were determined [1, 2]. Dimensioning methods used in airport pavement designare presented, together with their brief descriptions. Comparative calculations of surface layer thicknessdepending on the interpretation of the obtained CBR laboratory test results are performed. Differencesin airport pavement layer thickness resulting from the assumed CBR values are presented. A correctionof the results of pavement calculations based on the California bearing ratio is proposed.Keywords: airport pavement, CBR test, pavement dimensioning, soil subtrate, low-frost-susceptible soil.