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DuraFlex Curb.
| 题名： | DuraFlex Curb. |
| 作者： | outcalt, w. |
| 关键词： | hot mix asphalt, pavement overlays, concrete pavements, storm water runoff, performance evaluation, surface runoff, slopes |
| 摘要： | 16. Abstract DuraFlex Curb, an erosion control alternate for timber, concrete, or bituminous curbing placed with guardrail, has been submitted for consideration for the CDOT Approved Products List (APL). DuraFlex Curb is made of HDPE in an L-shape. The vertical arm of the L provides a six-inch high vertical section placed at the face of the guardrail posts. The eighteen-inch wide horizontal arm sits flat on the existing pavement and is overlaid with hot mix asphalt. Projects on US-24 in Region 2 and on US-50 in Region 5 were selected for evaluation. On US-24 approximately one thousand feet of the DuraFlex Curb were placed in two 500 test sections. On US-50 approximately two thousand feet of DuraFlex Curb were installed. On the US-50 project approximately seven thousand feet of composite lumber curb were installed for evaluation also. This report evaluates the performance of the two products in comparison to lumber curb. / Supplementary Notes: Sponsored by Federal Highway Administration, Denver, CO. Colorado Div. / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| 总页数： | u0716；23p |
| 报告类型： | 科技报告 |
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