Evaluation of Alternate Cable Anchor Designs and Three-cable Guardrail Adjacent to Steep Slope PDF Download
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Author:
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 142
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Book Description
Author:
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 142
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Book Description
Author:
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 91
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Book Description
Author: Robert W. Bielenberg
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 124
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Book Description
In the early 2000s, MwRSF conducted full-scale crash testing on low-tension cable barrier systems installed adjacent to 1.5H:1V slopes. A design was successfully tested according to NCHRP Report 350 criteria, but the tested and approved configuration utilized a 4-ft (1.2 m) post spacing and a 4-ft (1.2 m) offset from the slope break point (SBP). Therefore, NDOT funded this research study to investigate if revisions to the low-tension cable barrier system could be identified which were likely to satisfy MASH requirements and which would be more cost-effective. This research study was conducted to investigate alternative low-tension cable barrier designs and configurations which would be likely to satisfy MASH TL-3 impact conditions and which would improve cost-effectiveness and/or usability for NDOT. Test nos. LTCB-1 through LTCB-5 were conducted on S3x5.7 steel posts at varying offset distances from a 1.8H:1V slope. Test no. LTCB-6 was conducted to evaluate the propensity for S3x5.7 posts to penetrate a small car test vehicle's floor pan, and tearing was observed. Subsequent component tests of an HSS3x2x1/8 tubular post alternative in development for use with high-tension cable median barrier systems was found to provide acceptable performance while mitigating floor pan tearing. Computer simulations were performed to investigate alternative barrier configurations. Various combinations of post spacing, barrier offset, and cable heights were evaluated. It was determined that systems with 3-ft (0.9-m) offset from the slope with 4-ft (1.2-m) post spacing, or 4-ft (1.2-m) offset from the slope with 6-ft (1.8-m) post spacing, may perform acceptably according to MASH TL-3 test designation no. 3-11.
Author: Ryan M. Nelson
Publisher:
ISBN:
Category :
Languages : en
Pages : 228
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 370
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Book Description
Author: American Association of State Highway and Transportation Officials. Task Force for Roadside Safety
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 560
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Book Description
Author: Iowa. Highway Division
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 548
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Book Description
To aid the designer in the development of detailed design plans for interstate and primary road construction in Iowa.
Author: Jarvis Dale Michie
Publisher:
ISBN:
Category : Transportation
Languages : en
Pages : 432
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Book Description
Barrier installations are warranted (or justified) only at highway locations where the consequence of an errant vehicle leaving the roadway is judged to be more hazardous than the impact with the barrier installation. A six degree-of-freedom mathematical model was found to be useful in describing dynamic behavior of a vehicle during impact. Predictions of vehicle and barrier behavior correlated with results obtained from full-scale crash tests. Crash conditions simulated with a computer were used to identify and evaluate vehicle static and dynamic as well as barrier parameters. Vehicle weight, yaw mass moment of inertia, and deformation constant were found to be significant.
Author:
Publisher:
ISBN: 9781622701070
Category :
Languages : en
Pages :
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Book Description
The Cal/OSHA Pocket Guide for the Construction Industry is a handy guide for workers, employers, supervisors, and safety personnel. This latest 2011 edition is a quick field reference that summarizes selected safety standards from the California Code of Regulations. The major subject headings are alphabetized and cross-referenced within the text, and it has a detailed index. Spiral bound, 8.5 x 5.5"
Author: International Code Council
Publisher:
ISBN: 9781609837211
Category : Education
Languages : en
Pages :
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Book Description
An organized, structured approach to the 2018 INTERNATIONAL PLUMBING CODE Loose leaf Version, these TURBO TABS will help you target the specific information you need, when you need it. Packaged as pre-printed, full-page inserts that categorize the IPC into its most frequently referenced sections, the tabs are both handy and easy to use. They were created by leading industry experts who set out to develop a tool that would prove valuable to users in or entering the field.
