2014
DOI: 10.1080/14680629.2014.909874
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Comparison of the field measurements of asphalt concrete densities obtained by ground-penetrating radar, pavement quality indicator and the borehole coring methods

Abstract: Density is an important parameter of asphalt mixtures used to control the quality of pavement construction. Enough air voids of asphalt mixture prevent bleeding and/or infiltration of air or water into the mixture. Hence, accurate measurement of density is essential for quality control, quality assurance and prediction of pavement performance. Coring and measuring density in the lab is the most prevalent method but it is a destructive method. To decrease the damages of using destructive methods, non-destructiv… Show more

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Cited by 20 publications
(14 citation statements)
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“…GPR is a geophysical technique that uses radio waves to probe the subsurface of lossy dielectric materials (Buynevich, Jol, & FitzGerald, 2009). This technology uses high and ultra-high frequency (10 MHz to 2.5 GHz) electromagnetic waves by transmitting and recording their reflection from different surfaces and deeper layers of the pavement.…”
Section: Determination Of Asphalt Pavement Layer Density and Air Void Content Using Gprmentioning
confidence: 99%
“…GPR is a geophysical technique that uses radio waves to probe the subsurface of lossy dielectric materials (Buynevich, Jol, & FitzGerald, 2009). This technology uses high and ultra-high frequency (10 MHz to 2.5 GHz) electromagnetic waves by transmitting and recording their reflection from different surfaces and deeper layers of the pavement.…”
Section: Determination Of Asphalt Pavement Layer Density and Air Void Content Using Gprmentioning
confidence: 99%
“…It can also be used for the measurement and calculation of dielectric constant. This parameter is closely related to the construction quality indexes such as density and void ratio [3]. Through the introduction of 3D GPR system, this paper expounds the method of realizing high-quality radar data [4], so as to calculate the dielectric constant and provide a solid foundation for density prediction.…”
Section: Introductionmentioning
confidence: 99%
“…Šie du modeliai ankščiau sėkmingai naudoti kitose srityse, o jų formulių kintamieji yra lengvai nustatomi. Rayleigh modelis nepasirinktas, nes jis buvo sukurtas poringiesiems mišiniams, todėl dažniausiai naudojamiems asfalto mišiniams nelabai tinka (Ameri et al, 2014). Atlikus teorinius ir eksperimentinius tyrimus laboratorijoje ir tikslingai tyrimui įrengtame bandomajame ruože, nustatyta, kad, pritaikius CRIM ir Bottcher modelius, standartiniais metodais nustatytas asfalto dangos kernų tariamasis tankis gerai koreliuoja su 2 GHz dažnio GPR antena išmatuotais ir pagal (1.4) bei (1.6) formules nustatytais tankio rezultatais.…”
Section: Asfalto Dangos Konstrukcijos Sluoksnių Tariamajam Tankiui Ir...unclassified
“…Atlikus papildomus tyrimus, pasiūlyta modifikuoti ir CRIM modelį, kuris sudaro prielaidą, kad asfalto mišinio užpildo ir bituminio rišiklio santykinės dielektrinės skvarbos vertės nekinta, o tariamajam asfalto dangos sluoksnio tankiui įtakos turi keturi rodikliai: asfalto santykinė dielektrinė skvarba, bituminio rišiklio kiekis, didžiausias mišinio tankis ir vidutinis užpildo tankis. Tariamasis asfalto dangos sluoksnio tankis apskaičiuojamas taikant (1.8) formulę (Ameri et al, 2014): (1.8) čia 𝐺 𝑚𝑏tariamasis asfalto dangos sluoksnio tankis, kg/m 3 ; 𝐺 𝑚𝑚didžiausiasis asfalto mišinio tankis, kg/m 3 ; 𝑃 𝑏 -bituminio rišiklio kiekis %; 𝜀 𝐻𝑀𝐴asfalto dangos sluoksnio santykinė dielektrinė skvarba.…”
Section: Asfalto Dangos Konstrukcijos Sluoksnių Tariamajam Tankiui Ir...unclassified
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