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10002073
Polishing Machine Based on High-Pressure Water Jet
Abstract:
The design of high pressure water jet based polishing equipment and its fabrication conducted in this study is reported herein, together with some preliminary test results for assessing its applicability for HMA surface polishing. This study also provides preliminary findings concerning the test variables, such as the rotational speed, the water jet pressure, the abrasive agent used, and the impact angel that were experimentally investigated in this study. The preliminary findings based on four trial tests (two on large slab specimens and two on small size gyratory compacted specimens), however, indicate that both friction and texture values tend to increase with the polishing durations for two combinations of pressure and rotation speed of the rotary deck. It seems that the more polishing action the specimen is subjected to; the aggregate edges are created such that the surface texture values are increased with the accompanied increase in friction values. It may be of interest (but which is outside the scope of this study) to investigate if the similar trend exist for HMA prepared with aggregate source that is sand and gravel.
Digital Object Identifier (DOI):

References:

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[3] R. Yaron, and S. Nesichi, “Alleviating the Skid Resistance Problem – The Israeli Experience” Aram Engineers, Haifa Israel, Public Works Department, Israel, 2007.
[4] J. Waters, and B. Pidwerbesky, “Resurfacing Roads Using Ultra Highpressure Watercutting” 22nd ARRB Conference – Research into Practice, Canberra, Australia, 2006.
[5] J. Waters, “Ultra Highpressure Watercutting – Rejuvenating the Microtexture of Polished Surfaces” Fulton Hogan Limited, Christchurch, New Zealand, 2007.
[6] P. D. Cenek, N. J. Jamieson, N. J. Locke, and P. F. Stewart, “Selection of Cost Effective Skid Resistance Restoration Treatments” Transfund New Zealand Report, 1998, No. 141. 62pp.
[7] P. D. Pidwerbesky, “FH UHP Watercutter” Internal Report Distributed Fulton Hogan Roadshow, 2002.
[8] P. G. Roe, and S. A. Hartshone, “Mechanical Retexturing of Roads: A Study of Processes and Early-Life Performance” Transport Research Laboratory Report, No. 298, 1997.
[9] American Society for Testing and Materials “Measuring Pavement Surface Frictional Properties Using the Dynamic Friction Tester”, ASMT Standard Test Method E 1911-98 (2002), Book of ASTM Standards, Volume 04.03, Philadelphia, PA, 2005.
[10] American Society for Testing and Materials “Standard Test Method for Measuring Pavement Macrotexture Properties Using the Circular Track Meter”, ASTM Standard Test Method E-2157-01, Book of ASTM Standards, Volume 04.03, Philadelphia, PA, 2005.
[11] American Society for Testing and Materials “Measuring Surface Friction Properties Using the British Pendulum Tester” ASTM Standard Test Method E-303-93 (2003), Book of ASTM Standards, Volume 04.03, Philadelphia, PA, 2005.
[12] American Society for Testing and Materials “Measuring Pavement Macrotexture Depth Using a Volumetric Technique” ASTM Standard Test Method E-965-96(2001), Book of ASTM Standards, Volume 04.03, Philadelphia, PA, 2005.
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