نتایج جستجو برای: pavement marking

تعداد نتایج: 17129  

Journal: :جستارهای زبانی 0
مهین ناز میردهقان دانشیار زبان شناسی، دانشگاه شهید بهشتی، تهران، ایران سعیدرضا یوسفی کارشناس ارشد زبان شناسی، دانشگاه شهید بهشتی، تهران، ایران

the purpose of this research is to analyze differential adpositional case marking (dacm) in vafsi within ot framework by using the generalization of aissen’s (2003) differential object marking (dom) model. while bossong (1985) has traced dom in more than 300 languages, dacm has not been investigated typologically, yet. dacm, as a branch of differential case marking (dcm), questions the effect o...

2016
Feng Ma Aimin Sha Ruiyu Lin Yue Huang Chao Wang

In China, the construction of asphalt pavement has a significant impact on the environment, and energy use and greenhouse gas (GHG) emissions from asphalt pavement construction have been receiving increasing attention in recent years. At present, there is no universal criterion for the evaluation of GHG emissions in asphalt pavement construction. This paper proposes to define the system boundar...

2018
Yifan Pan Xianfeng Zhang Jie Tian Xu Jin Lun Luo Ke Yang

Asphalt road reflectance spectra change as pavement ages. This provides the possibility for remote sensing to be used to monitor a change in asphalt pavement conditions. However, the relatively narrow geometry of roads and the relatively coarse spatial resolution of remotely sensed imagery result in mixtures between pavement and adjacent landcovers (e.g., vegetation, buildings, and soil), incre...

2010
Kasthurirangan Gopalakrishnan

The Heavy Weight Deflectometer (HWD) test is one of the most widely used tests for assessing the structural integrity of airport pavements in a non-destructive manner. The elastic moduli of the individual pavement layers predicted from the HWD deflection measurements through inverse engineering analysis are effective indicators of pavement layer condition. The primary objective of this study wa...

Journal: :Infrastructures 2021

Pavement markings are essential elements of transportation infrastructure with critical impacts on safety and mobility. They provide road users the necessary information to adjust driving behavior or make calculated decisions about commuting. The visibility pavement for drivers can be boundary between a safe trip disastrous accident. Consequently, agencies at local national levels allocate size...

2017
Sunghwan Kim Halil Ceylan Kasthurirangan Gopalakrishnan Omar G. Smadi

The performance models used in the Mechanistic-Empirical Pavement Design Guide (MEPDG) are nationally calibrated with design inputs and performance data obtained primarily from the national Long-Term Pavement Performance database. It is necessary to verify and calibrate MEPDG performance models for local highway agencies' implementation by taking into account local materials, traffic informatio...

Journal: :Advanced Engineering Informatics 2011
Jesus M. de la Garza Sercan Akyildiz Doug R. Bish Denise A. Krueger

Infrastructure systems in the US are in urgent need of maintenance and rehabilitation. According to the most recent factsheet published by the American Society of Civil Engineers, one of the top five infrastructure concerns of today in the US is the transportation system. The major challenge facing maintenance managers in state Departments of Transportation (DOTs) today is to preserve the road ...

2014
Yang Jue

According to the characteristics of airport pavement traffic, we discuss a method of building an airport pavement traffic model which is based on CPN theory and simulate a practical situation as well. The method overcomes the shortage of modelling with normal Petri Net theory, solves the difficult problems of airport pavement traffic such as complex traffic nets, frequent road changing, etc., r...

2015
Donald M. Walker

A: INTRODUCTION The Wisconsin Transportation Technology Transfer Center (Transportation Information Center) has developed a roadway management program for Wisconsin local agencies. This system has been developed in cooperation with local road agency associations and the Wisconsin Department of Transportation. Wisconsin's pavement management system has evolved from a basically paper system devel...

2015
Jakub Gajewski Tomasz Sadowski

The paper presents results of sensitivity analysis to crack propagation of a pavement bituminous layered structure using the Finite Element Method (FEM) and Artificial Neural Networks (ANN). The performed preliminary study determined stresses and displacements in the pavement layer system. The pavement structure consisting of asphalt layers, a base layer, subbase and subgrade layers was analyze...

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