微铣刨技术于沥青混凝土路面养护的应用

发布时间：2018-05-01 02:34

本文选题：道路工程 + 沥青混凝土铺面　；参考：《公路》2014年07期

【摘要】：沥青混凝土路面最常用的维修方法之一是铣刨沥青混凝土路表面并回铺罩面,而铣刨作业不论是国内或国外多懫用传统的沥青混凝土路面铣刨方法。近年美国佐治亚州交通厅(Georgia Department of Transportation,GDOT)联合佐治亚理工学院(Georgia Institute of Technology)对微铣刨技术在沥青混凝土路面上的养护应用进行研究,发展出经济有效的薄透水抗滑层养护技术并成功地应用于高承载州际公路。通过施工规范的制定,品质检测技术的改进,及现场施工流程的改进,这个新的养护技术成功地应用在I-75和I-95州际公路上,每一车道/英里为GDOT节省58 000美元,并且微铣刨后的路表面纹理细致,可以开放车辆行驶,大幅提高施工期间的行车安全并增加施工弹性,达到省料、省时、省工和节能减碳的效果。目前这个新工法已经被佐治亚州普遍地懫用在州际公路薄透水抗滑层的维修作业以替代传统的铣刨作业。本文针对这个结合微铣刨技术的薄透水抗滑层养护技术及其在佐治亚州的施工案例做详细介绍,并探讨微铣刨技术在中国应用到铣刨沥青混凝土路表面并回铺罩面的维修作业时的一些问题。
[Abstract]:One of the most commonly used maintenance methods for asphalt concrete pavement is milling asphalt concrete road surface and covering it back. In recent years, Georgia Department of Transportation (GDOT) and Georgia Institute of Technology (Georgia Institute of Technology) have studied the maintenance and application of micro-milling and planing technology on asphalt concrete pavement. An economical and effective maintenance technology of thin permeable anti-slide layer was developed and successfully applied to high bearing interstate highway. Through the establishment of construction codes, the improvement of quality testing techniques, and the improvement of site construction processes, this new maintenance technology has been successfully applied on the I-75 and I-95 interstate highways, saving $58,000 per lane / mile for GDOT. The fine texture of the road surface after micro-milling can greatly improve the driving safety during construction and increase the construction elasticity, thus saving material, time, labor and carbon. The new method has been widely used in Georgia to replace traditional milling and planing by repairing thin, permeable, skid-resistant layers on interstate highways. In this paper, the maintenance technology of thin permeable anti-slide layer combined with micro-milling and planing technology and its construction case in Georgia are introduced in detail. Some problems about the application of micro-milling planing technology in the maintenance of asphalt concrete pavement surface and overlay are discussed.
【作者单位】：佐治亚理工学院土木环境工程系;长安大学公路学院;
【分类号】：U418.6

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