Cable To Post Attachments For A Non Proprietary High Tension Cable Barrier Phase Iii PDF Download

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Continued Development of a Non-proprietary, High-tension, Cable End Terminal System

Continued Development of a Non-proprietary, High-tension, Cable End Terminal System
Author: Jennifer D. Schmidt
Publisher:
Total Pages: 80
Release: 2016
Genre: Median strips
ISBN:

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"A non-proprietary, cable guardrail system is currently under development for the Midwest States Pooled Fund Program. A cable guardrail end terminal was necessary to accompany the cable guardrail system. The objective of this research project was to develop design recommendations for the cable end terminal. Bogie testing that was previously completed on a design concept indicated delayed cable release, which was an undesired performance that led to vehicle instabilities. Several design changes were recommended for better end terminal performance and to reflect the changes made to the cable median barrier. . . . Simulations of various line post designs found that the MWP and weakened MWP have lower forces and energies during impact than the S3x5.7 posts used in previous three-cable end terminals. This finding would suggest improved performance with respect to vehicle override and instability. However, vehicle simulations with multiple line posts impacted were inconclusive. Further design modifications, evaluation, and testing are recommended" (page i).