Review of the design, characterisation and production of foamed bitumen stabilised base courses for pavement construction

IF 1.6 Q3 ENGINEERING, CIVIL Australian Journal of Civil Engineering Pub Date : 2021-08-31 DOI:10.1080/14488353.2021.1974658
T. Weir, G. White, R. Espinosa
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引用次数: 2

Abstract

ABSTRACT Foamed bitumen stabilisation is a unique pavement treatment option for improving new granular materials or rehabilitating existing granular layers that have exceeded their serviceable life. As a type of expedient construction technology, the application of foamed bitumen stabilisation technology to Australian pavements is exceptionally promising, with the product of the stabilisation process being a flexible material for use as base and subbase course, but with an increased modulus and reduced susceptibility to the effects of moisture ingress. Increasing demands on pavements, compounded with quality unbound pavement materials proving more difficult to acquire is necessitating the hauling of materials over long distances and this significantly increases typical pavement construction and maintenance costs. However, stabilisation of existing, marginal and non-standard granular materials can offer a logistically convenient and cost-effective solution. This paper reviews the design, construction and characterisation of foamed bitumen stabilised granular material for pavements. First, the technology of foamed bitumen stabilisation is summarised and then the design and production practices are reviewed, before concluding with future developments for stabilisation practices.
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路面施工用泡沫沥青稳定基层的设计、表征和生产审查
摘要:泡沫沥青稳定是一种独特的路面处理选择,用于改善新的颗粒材料或修复超过使用寿命的现有颗粒层。作为一种权宜之计的施工技术,泡沫沥青稳定技术在澳大利亚路面上的应用非常有前景,稳定过程的产物是一种用作基层和底基层的柔性材料,但模量增加,对水分进入影响的敏感性降低。对路面的需求不断增加,再加上难以获得的优质未粘合路面材料,需要长距离运输材料,这大大增加了典型的路面施工和维护成本。然而,稳定现有的、边缘的和非标准的颗粒材料可以提供一个后勤方便和成本效益高的解决方案。本文综述了用于路面的泡沫沥青稳定粒料的设计、施工和特性。首先,总结了泡沫沥青稳定技术,然后回顾了设计和生产实践,最后总结了稳定实践的未来发展。
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来源期刊
CiteScore
3.90
自引率
7.70%
发文量
31
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