A GUIDE TO STANDARDIZED HIGHWAY BARRIER RAIL HARDWARE
STANDARDS HAVE BEEN COMPILED TO ASSIST THE BARRIER RAIL DESIGNER TO DEVELOP A SYSTEM FROM STANDARD COMPONENTS. SOME BENEFITS THAT CAN BE REALIZED FROM USE OF THESE STANDARD PARTS ARE: (1) FOR THE ADMINISTRATOR- THROUGH THE USE OF STANDARD PARTS MAXIUMUM ECONOMY CAN BE REALIZED; (2) FOR THE DESIGNER - A BASIC REFERENCE IS READILY AVAILABLE. PARTS ARE SHOWN FOR SYSTEMS APPROVED BY THE FEDERAL HIGHWAY ADMINISTRATION AND DETAILED IN NCHRP REPORT 54; AND (3) FOR THE MAINTENANCE DIVISION - REDUCED INVENTORY OF REPLACEMENT PARTS. THE BASIS FOR THE SELECTION OF THESE STANDARDS WAS THE DEGREE OF USAGE BY THE SEVERAL STATES COLLECTIVELY. THE STANDARD DRAWINGS OF THE STATES SHOWED CERTAIN DETAILS PREDOMINATED. AN ANALYSIS OF SYSTEM REQUIREMENTS AND COMMON USAGE LED TO THE FINAL STANDARDS. NO ATTEMPT HAS BEEN MADE TO EVALUATE THE MERITS OF THE VARIOUS SYSTEMS. COMPONENTS OF ALL READILY AVAILABLE MATERIALS HAVE BEEN INCLUDED FOR MAXIMUM FLEXIBILITY. ONLY PARTS IN HIGHLY REPETITIVE USAGE (BASIC SYSTEM COMPONENTS) ARE SHOWN. SINCE TERMINALS, TRANSITIONS, ANCHORAGES, ETC., ARE PRESENT ONLY IN LIMITED NUMBERS IN ANY NORMAL INSTALLATION, THERE IS NO GENERALLY ACCEPTED STANDARD FOR THEM. IT IS RECOGNIZED THAT THESE STANDARDS MUST BE CONTINUALLY UPDATED TO REMAIN OF VALUE. IT IS THEREFORE SUGGESTED THAT INFORMATION ON ANY NEW SYSTEM DEVELOPED BE FORWARDED TO THE AASHO-ARBA FOR FURTHER EVALUATION AND ESTABLISHMENT OF STANDARDS. /HSRI/
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Supplemental Notes:
- No 268, 75 PP, FIGS
- Publication Date: 1971-5
Media Info
Subject/Index Terms
- TRT Terms: Barriers (Roads); Guardrails; Standardization; Structural design
- Uncontrolled Terms: Barriers
- Subject Areas: Highways; Safety and Human Factors;
Filing Info
- Accession Number: 00221504
- Record Type: Publication
- Source Agency: Highway Safety Research Institute
- Files: TRIS
- Created Date: Feb 24 1972 12:00AM