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原文传递 Optical Sizing and Roundness Determination of Glass Beads Used in Traffic Markings

题名：	Optical Sizing and Roundness Determination of Glass Beads Used in Traffic Markings
责任者：	National Academies of Sciences, Engineering, and Medicine; Transportation Research Board; National Cooperative Highway Research Program
关键词：	Transportation and Infrastructure — Highways Transportation and Infrastructure — Materials Transportation and Infrastructure — Operations and Traffic Management Transportation and Infrastructure — Pavements Transportation and Infrastructure — Safety and Human Factors
学科分类：	暂无分类
摘要：	TRB’s National Cooperative Highway Research Program (NCHRP) Research Results Digest 346: Optical Sizing and Roundness Determination of Glass Beads Used in Traffic Markings summarizes the results of a project that examined the precision and bias of both optical and traditional mechanical methods for different glass bead types. The project also compared the precision and bias of various measurement methods, and explored development of a practice for the use of computerized optical methods and equipment to measure the size and roundness of glass beads used in traffic markings. The final report on this project was published as NCHRP Web-Only Document 156.
出版机构：	Transportation Research Board
提交日期：	2010
报告类型：	科技报告
资源类型：	科技（咨询、行业）报告
初始创建时间：	2010