COMPUTATION OF ESTIMATED INDICES OF ROAD LONGITUDINAL EVENNESS USING MICROPROFILE
Abstract
The article becomes topical in connection with the introduction of GOST 33101‑2014 "Automobile roads of the general use. Road pavement. Roughness measurement methods". GOST 33101-2014 provides for estimation of the road longitudinal smoothness by the international roughness index IRI on the basis of measuring the longitudinal microprofile. Under present conditions of gathering and analyzing statistical data it's necessary to compare measurement results obtained by different measuring instruments and to reduce them to a single index. The article presents the analysis of existing analytical dependencies between the indices of longitudinal smoothness such as indices according to PKRS and IRI. The results of the data statistical processing obtained when measuring the longitudinal smoothness using the profilometer and the PKRS on the toll road "New exit to the Moscow ring road from the federal highway M-1 "Belarus" (Northern bypass of the Odintsovo city) are given. On the basis of these studies a new dependence between the IRI and the PKRS indices for good smooth roads is offered.
About the Authors
Elena V. Zhustareva
MADI
Russian Federation
Ph. D., associate professor
Russian Federation
Ph. D., associate professor
Vladimir I. Bochkarev
MADI
Russian Federation
Ph. D., associate professor
Russian Federation
Ph. D., associate professor
Anna M. Tanatova
MADI
Russian Federation
student
Russian Federation
student
References
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