In this paper, the potential use of an exponential hidden Markov model to model a hidden pavement deterioration process, i.e. one that is not directly measurable, is investigated. It is assumed that the evolution of the physical condition, which is the hidden process, and the evolution of the values of pavement distress indicators, can be adequately described using discrete condition states and...

1 Climate change has the potential to impact long-term road pavement performance. Consequently, to 2 maintain pavements within the same ranges of serviceability as before, current pavement maintenance 3 strategies need to be re-assessed and, if necessary, changed. Changes in maintenance may lead to 4 different agency costs and user costs as a consequence. This paper commences by defining an 5 a...

The bearing capacity and service life of a pavement are adversely affected by the presence of undrained water in the pavement layers. In cold winter climates, such as in Iowa, this problem is magnified further by the risk of frost damage when water is present. Therefore, wellperforming subsurface drainage systems form an important aspect of pavement design by the Iowa Department of Transportati...

SYNOPSIS This paper presents the results of a study of pavement design based on the plate bearing list. The report supplements previous papers on pavement design, particularly the study reported in 1952 on the use of the triaxial test for design of flexible pavements. A series of tests was conducted on a test section of the Joint Highway Research Project Test Road. These tests were conducted by...

Because of shrinking budgets, transportation agencies are facing severe challenges in the preservation of deteriorating pavements. There is an urgent need to develop a methodology that minimizes maintenance and rehabilitation (M&R) cost. To minimize total network M&R cost of clustering pavement segments, we propose an integer programming model similar to an uncapacitated facility location probl...

Pavement design is the process of calculation thickness pavement layers which can withstand expected traffic load over life without deteriorating. In another word, it providing a structure in stresses on subgrade are reduced to acceptable magnitude. Highways Sudan deteriorate first years construction due many reasons including deficiency design. This research aims minimize probability roads fai...

Abstract Since 2011, the change in climatic characteristics has emerged as one of three most common environmental risks today. Global warming forecasts warn that by 2100, our planet could warm an average 3.5 to 7.5 °C. In Europe, over last 140 years, annual air temperature risen about 1.5 Slovakia, it was increase 1.7 - 1.8 °C on average. The consequences these changes road construction are imm...

This paper introduces the maximum and minimum pavement temperatures of Estonian asphalt pavements in accordance with calculation models developed for North America Norway. Historical meteorological data from 1992 to 2021 obtained 25 different weather stations Estonia were used as an input respective models. Comparison between demonstrated high variability design temperatures, thus significantly...

This paper presents a model through which the cost associated with pavement warranty in performance based maintenance contracts are analyzed and quantified. Performance based maintenance contracts are eventually getting popular among the Highway agencies.These are long term pavement warranty contracts where the contractors are responsible for maintaining the pavement condition upto a certain sp...