Development of a Semicircular Bend (SCB) Test Method for Performance Testing of Nebraska Asphalt Mixtures

Released on by Gabriel Nsengiyumva
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  • Development of a Semicircular Bend (SCB) Test Method for Performance Testing of Nebraska Asphalt Mixtures Book Detail

  • Author : Gabriel Nsengiyumva
  • Release Date : 2015
  • Publisher :
  • Genre : Pavements, Asphalt
  • Pages : 0
  • ISBN 13 :
  • File Size : 16,16 MB
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Development of a Semicircular Bend (SCB) Test Method for Performance Testing of Nebraska Asphalt Mixtures by Gabriel Nsengiyumva PDF Summary

Book Description: "Granted that most distresses in asphalt (flexible) concrete (AC) pavements are directly related to fracture, it becomes clear that identifying and characterizing fracture properties of AC mixtures is a critical step towards a better pavement design. This report examines the testing variables of a reliable and practical semicircular bending (SCB) test for evaluating the fracture characteristics of asphalt concrete mixtures at intermediate service temperature conditions. The first part of this report investigates the repeatability of the SCB frature test method by integrating a statistical-experimental approach to identify testing variables of the SCB test that result in repeatable test results. ... The second part of this work is to investigate the sensitivity of the SCB test using the previously determined testing variables. Fourteen different asphalt concrete (AC) mixtures collected from 12 field construction projects in Nebraska were used in this task. ... Overall, the SCB test method developed herein proved to be repeatable and sensitive to changes in mixtures, and thus a promising tool for evaluating the fatigue fracture resistance of AC mixtures" (page ii).

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Statistics for Research

Statistics for Research

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Praise for the Second Edition "Statistics for Research has other fine qualities besides superior organization. The examples and the statistical methods are laid