Hamburg wheel tracking
WebJan 1, 2014 · The Hamburg wheel tracking test (HWTT) has been widely used as a standard laboratory test to evaluate the moisture susceptibility and rutting resistance of asphalt mixtures. The stripping infection point and the rut depth at a certain number of load cycles are two common parameters obtained from the test. Although these parameters … WebApr 19, 2024 · The performance of tested asphalt mixtures from the Hamburg Wheel-Tracking Test (HWTT) is typically described using a deformation evolution curve which …
Hamburg wheel tracking
Did you know?
WebHamburg Wheel Test Requirements High-Temperature Binder Grade Test Method Minimum # of Passes @ 0.5" Rut Depth, Tested @122°F4 PG 64 or lower Tex-242-F 10,000 PG … WebApr 19, 2024 · The performance of tested asphalt mixtures from the Hamburg Wheel-Tracking Test (HWTT) is typically described using a deformation evolution curve which is generally divided into three stages. The primary or post-compaction stage is the initial stage and is usually within the first 1,000 wheel-passes. This stage is followed by the …
WebJun 24, 2015 · The Hamburg (Immersion) wheel tracking test is used to evaluate the resistance to rutting and moisture susceptibility of asphalt … WebSmarTracker™ - Hamburg Wheel Tracker Intelligently designed with the end-user in mind, the new InstroTek SmarTracker™ offers several unique features that make testing safer, easier and more accurate than other …
WebJan 1, 2009 · The Hamburg Wheel Tracking Tester (HWTT) is one of the test methods widely used in the routine HMA mix-design screening and quantification of the HMA rutting resistance potential in the laboratory. WebTRB’s National Cooperative Highway Research Program (NCHRP) Web-Only Document 219: Hamburg Wheel-Track Test Equipment Requirements and Improvements to …
WebHWT-Pro™ Hamburg calibration and verification kit available. This new SMART approach to Loaded Wheel Testing offers the flexibility, safety, and ease of use that asphalt laboratories require. The SmarTracker is now …
credit card tap doesn\u0027t workWeb5.1 Hamburg Wheel- Tracking Machine - An electrically powered machine capable of moving a 203.6 mm (8 in.) diameter, 47 mm (1.85 in.) wide steel wheel over a test slab. The load on the wheel is 158 Ibs. (705 N). The wheel shall reciprocate over the slab, with the position varying sinusoidally over time. buckinghamshire fisWebHamburg Wheel Tracking Test • TxDOT uses specimens molded in the SGC or 6” cores cut from the pavement – 10” cores can also be used • ~50 cycles per minute, < 7 hrs for 20,000 passes Courtesy, Koch Pavement Solutions. Specimen Configuration, TEX-242-F • Lab-compacted specimens molded to 93% G mm ±1% credit card tapperWebWheel Tracking machines have been developed to perform Rutting / Permanent Deformation tests. IPC Global’s range includes DynaTrack, a single wheel model for EN testing with air, and DWT Double Wheel Tracker, able to cover a wide range of tests including EN and AASHTO Hamburg Wheel Tracker, with PC control and possibility to … credit card tableau reportsWebJun 8, 2024 · The Hamburg Wheel Tracking Test (HWTT) has been widely accepted as a reasonable and reliable test to evaluate the rutting and moisture damage performance of asphalt mixtures. The standardized protocol for HWTT has been around under AASHTO Test Method T 324 for almost two decades. Several state DOTs and industries are now … buckinghamshire fire rescueWebStop the wheel-tracking device at the specified number of passes, or when the maximum rut depth of 20 mm rut occurs in either sample set, whichever occurs first. The testing … buckinghamshire flightsWebHamburg Wheel TrackerAASHTO T-324Intelligently designed with the end-user in mind, the new InstroTek SmarTracker™ offers several unique features that make te... credit card tap and pay feature