نتایج جستجو برای: long term pavement performance ltpp

تعداد نتایج: 1971404  

Journal: :World psychiatry : official journal of the World Psychiatric Association 2015
Peter Fonagy Felicitas Rost Jo-Anne Carlyle Susan McPherson Rachel Thomas R M Pasco Fearon David Goldberg David Taylor

This pragmatic randomized controlled trial tested the effectiveness of long-term psychoanalytic psychotherapy (LTPP) as an adjunct to treatment-as-usual according to UK national guidelines (TAU), compared to TAU alone, in patients with long-standing major depression who had failed at least two different treatments and were considered to have treatment-resistant depression. Patients (N=129) were...

Journal: :JAMA 2008
Falk Leichsenring Sven Rabung

CONTEXT The place of long-term psychodynamic psychotherapy (LTPP) within psychiatry is controversial. Convincing outcome research for LTPP has been lacking. OBJECTIVE To examine the effects of LTPP, especially in complex mental disorders, ie, patients with personality disorders, chronic mental disorders, multiple mental disorders, and complex depressive and anxiety disorders (ie, associated w...

Journal: :Journal of Infrastructure Preservation and Resilience 2021

Abstract This study extracted 16 climatic data variables including annual temperature, freeze thaw, precipitation, and snowfall conditions from the Long-term Pavement Performance (LTPP) program database to evaluate regionalization for pavement infrastructure. The effect significance of climate change were firstly evaluated using time as only predictor t-test. It was found that both temperature ...

2008
Kamalesh Panthi Rizwan U. Farooqui

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...

Journal: :Sustainability 2021

Flexible pavement structure design is a complex task because of the variability input parameters and failure mechanisms. Therefore, aim this study to develop implement simplified Mechanistic-Empirical (M-E) method based on 1993 American Association State Highway Transportation Officials (AASHTO), National Cooperative Research Program (NCHRP) 9-22, NCHRP 1-37A 1-40D projects. This methodology im...

Journal: :Pamukkale University Journal of Engineering Sciences 2021

2011
R. Christopher Williams Christopher Williams

The implementation of WMA is becoming more widespread with a growing number of contractors using various WMA technologies. Early research suggests WMA may be more susceptible to moisture damage than traditional HMA mixes. Asphalt performance tests can be a good way of measuring material responses that can be correlated with pavement performance. It is important for owner/agencies to know that t...

Journal: :Han-gukbangjaehakoenonmunjip 2022

This study compared the long-term noise reduction performance through field measurements using different asphalt pavement methods. The main variables were type of methods, including porous, Stone Mastic Asphalt (SMA), and thin-layer. Noise data over last 11 years was analyzed. porous pavements continued to decrease due pores filling time that maintenance is necessary three post-construction. Si...

2011

The Asphalt Pavement Technology Program is an integrated, national effort to improve the long‐term performance and cost effectiveness of asphalt pavements. Managed by the Federal Highway Administration through partnerships with State highway agencies, Industry and academia the program’s primary goals are to reduce congestion, improve safety, and foster technology innovation. The program was est...

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