نتایج جستجو برای: pavement condition index

تعداد نتایج: 701486  

Journal: :Transportation Engineering Journal of ASCE 1974

Journal: :Science, engineering and technology 2023

Road infrastructure in good condition is a key requirement for efficient transportation systems which leads to economic prosperity and improved quality of life. However, road surface conditions deteriorate over time according traffic loads environmental factors. Poor lead congestion, accidents, lost productivity, driver fatigue. This work considers the relationship between pavement vehicle spee...

Journal: :Journal of advance college of engineering and management 2021

Pavement evaluation is the most significant procedure to minimize degradation of pavement both functionally and structurally. Proper hence required prolong life year pavement, which thus needs be addressed in policy level. By this, development genuine indices are formulated used for evaluation. In context evaluating measuring roughness, International Roughness Index (IRI) used, whereas calculat...

2017
Halil Ceylan Sunghwan Kim Kasthurirangan Gopalakrishnan Charles W. Schwartz Rui Li

The new AASHTO Mechanistic-Empirical Pavement Design Guide (MEPDG) performance predictions for the anticipated climatic and traffic conditions depend on the values of the numerous input parameters that characterize the pavement materials, layers, design features, and condition. This paper proposes comprehensive local sensitivity analyses (LSA) and global sensitivity analyses (GSA) methodologies...

Journal: :Istraživanja i projektovanja za privredu 2023

Measuring the value of road performance requires an emphasis on optimal demand. In Indonesia, pavement assessment is sole basis for evaluating value. However, not solely determined by performance, as shoulder and drainage systems also influences it. This study aims to create a evaluation model that quantitative in nature, taking into account both frequency size damages shoulders systems. To con...

2010
Tarunjit S. Butalia E. Wolfe

This study demonstrates the use of Class F fly ash in combination with lime or lime kiln dust in the full depth reclamation (FDR) of asphalt pavements. FDR, in the context of this paper, is a process of pulverizing a predetermined amount of flexible pavement that is structurally deficient, blending it with chemical additives and water, and compacting it in place to construct a new stabilized ba...

2000
Hussein Mohamed Mostafa Nofal

Municipal engineers are faced with the difficult task of managing the urban roadway network. Maintaining this significantly large and expensive infrastructure requires effective planning and design. However, the majority of currently available design tools were developed originally for analyzing highway pavements. Little attention has been given in the past to urban road related issues. The env...

2009
Mohamed Abdel Raouf

Most bituminous adhesives or binders that are used for pavement materials are derived mainly from fossil fuels. Due to the availability of large quantities of biorenewable sources such as triglyceride oils, proteins, starch, and other carbohydrates from different organic sources, there are virtuous technical and economic prospects in utilizing them to produce bio-binders. Recently, through the ...

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