Volume I: Evaluation of Existing Roadside Safety Hardware Using Updated Criteria—Technical Report (2010) / Chapter Skim
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Pages 89-98
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From page 89... ...
89 IV. CRASH TESTING MATRIX AND EVALUATION PLAN In review, TTI researchers surveyed the State DOTs for use and frequency rates for non-proprietary hardware; and reviewed the test reports of the crash tests performed under NCHRP Project 22-14(02)
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90 Table 9. Compiled Prioritization, Ranking, and Probability for Successfully Complying with MASH Criteria.
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91 Test Article Discussion in Report Tested to MASH Prioritization to Survey Aggregate Ranking Probability of Passing MASH Median Barriers (continued) Strong-Post (Wood)
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92 Test Article Discussion in Report Tested to MASH Prioritization to Survey Aggregate Ranking Probability of Passing MASH Transitions (continued) Other non-proprietary box-beam transition 3 61 System Dependent Box-Beam Guardrail to Vertical Concrete Barrier Pg53 7 75 Good Thrie-Beam Pg 53 Thrie-Beam Guardrail to Concrete Parapet Pg 53 1 13 N/A Thrie-Beam Guardrail to Vertical Concrete Parapet Pg 53 2 14 Excellent Other non-proprietary thrie-beam transition Pg 53 3 36 Good – Excellent Thrie-Beam Guardrail to Alaska Multi-State Bridge Rail Pg 53 4 49 Good W-Beam Pg 56 W-Beam Guardrail to Safety-Shape Concrete Bridge Rail Pg 56 1 8 Good W-Beam Guardrail to F-Shape Concrete Parapet Pg 56 2 19 Good W-Beam Guardrail to Flared Concrete Bridge Parapet Pg 56&130 3 26 Good Other non-proprietary W-beam transition Pg 56 4 54 Good W-Beam Guardrail to Alaska Multi-State Bridge Rail Pg 56 5 65 Good Aesthetic Pg 58 Steel-Backed Timber Guardrail to Straight Stone Masonry Guardwall Pg 58 1 64 Good Steel-Backed Timber Guardrail to Curved Stone Masonry Guardwall Pg 58 2 70 Good Other non-proprietary aesthetic barrier Pg 58 2 72 Good Terminals Pg 61-69 Buried-in-Backslope Terminal Pg 62 1 18 Good Other non-proprietary terminal Pg 66 2 27 System Dependent New York Cable Rail Terminal Pg 65 3 32 Good Modified Eccentric Loader Terminal (MELT)
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93 Test Article Discussion in Report Tested to MASH Prioritization to Survey Aggregate Ranking Probability of Passing MASH Crash Cushions (continued) Connecticut Impact Attenuation System (CIAS)
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94 Test Article Discussion in Report Tested to MASH Prioritization to Survey Aggregate Ranking Probability of Passing MASH Wood Post Species Southern Yellow Pine 1 Douglas Fir 2 Other species of wood post 3 Installation in Weak Soil Yes 1 No 2 Large Sign Supports Pg 77 Other 1 Dual, W6x12 2 Single, W12x45 3 Fuse Plates Yes 1 No 2 Configuration of Slip Base Rectangular, Uni-Directional 1 Triangular, Omni-Directional Pg 85 Texas 2 N/A – Excellent Other 3 Orientation of Slip Plates Level 1 Inclined 2 Other 3 Luminaire Supports Transformer Base 1 4 Good Slip Base 2 12 Good Other non-proprietary luminaire support 3 42 System Dependent * Prior testing of similar hardware will likely satisfy the testing requirements for this device and no additional testing would be required.
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95 11. Wood Post Sign Support – 4 inch x 4 inch 12.
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96 THRIE-BEAM LONGITUDINAL BARRIER Four of the safety hardware devices ranked above are thrie-beam longitudinal barriers; wood and steel post, roadside and median barrier guardrail. In addition, a thrie-beam guardrail transition to a vertical concrete parapet is listed.
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97 conditions and should be capable of being installed on slopes of 4:1 or flatter. This new system may negate the need to test the 3-rope, low-tension cable guardrail system.
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98 In addition, the panel wished to complete the evaluation of the 32 inch permanent New Jersey shape barrier (ranked number 5)
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