SCIT-1-TEC-004-2014-C公路护栏立柱埋深检测技术体系(V1.35)2011-06-08初稿2014-06-23第16次修订2014-06-30第17次修订2014-07-28第18次修订四川升拓检测技术有限责任公司www.scentralit.com本报告对应设备1、钢质护栏立柱埋深冲击弹性波检测仪(EDMA-I)标准型2、钢质护栏立柱埋深冲击弹性波检测仪(EDMA-I)加强型公路护栏立柱埋深冲击弹性波检测技术体系2目录简略语.....................................................................................................................................................5术语..........................................................................................................................................................5符号说明.................................................................................................................................................5第一篇背景介绍...................................................................................................................................6第1章概述............................................................................................................................7第2章公路护栏立柱埋深检测技术的国内外动向..........................................................8第二篇钢质护栏立柱埋深冲击弹波检测仪EDMA-I...................................................................10第1章概述..........................................................................................................................11第2章测试原理与构成......................................................................................................122.2.1测试的基本原理.......................................................................................................122.2.1.1单一反射法..................................................................................................132.2.1.2重复反射法.....................................................................................................142.2.1.3立柱的分类..................................................................................................142.2.1.4波速的取值..................................................................................................142.2.2系统组成概要............................................................................................................152.2.2.1概要...............................................................................................................152.2.2.2硬件组成简介..............................................................................................162.2.2.3软件组成简介..............................................................................................18第3章主要难点与关键技术.............................................................................................182.3.1概述............................................................................................................................182.3.2特色及专有技术简介...............................................................................................202.3.2.1残留振动信号的抑制....................................................................................212.3.2.2反射信号抽取技术........................................................................................212.3.2.3其他关键技术........................................................................................