WebNov 13, 2024 · PCC Pavement Smoothness Specifications • Summary of localized roughness provisions for IRI -based specifications: Method Number of States Range Asphalt Concrete Continuous IRI (25 ft. baselength) 11 12 80 in/mi 200 in/mi Fixed Interval IRI 4 4 25 ft. segment: 150-160 in/mi 0.01 mi (52.8 ft.) segment: 100-125 in/mi Profile Moving Average Webmeasure the smoothness of the existing high-speed mainline pavement. The Contractor shall measure the smoothness of the finished high-speed mainline, low-speed mainline, …
Development of IDOT’s Proposed Smoothness Specification …
WebApplications. These correlation equations can be used to assist agencies transition from the PI 5-mm smoothness index to IRI or to PI 0.0.For example, a wet-freeze State has specified a full-pay range for new PCC pavements of PI 5-mm between 79 and 110 mm/kilometer (km). State officials can use equations 14 and 25 to determine that a comparable IRI range … WebThe ProVAL software program shall be used to compute IRI smoothness and locate areas of localized roughness (ALR) in accordance with MoDOT TM-59. 610.2.3 Straightedge. A rolling 10-foot straightedge shall be used for checking longitudinal elevation changes. A 4-foot straightedge shall be used for checking transverse elevation changes. canesten hc bnf
Asset Management Background - Michigan
WebApr 15, 2015 · With the new web-based tool IRI Explorer, road owners, pavement designers, academics, and other users can draw upon extensive pavement smoothness data to examine how different pavement treatments ... http://dot.mn.gov/mnroad/nrra/structure-teams/preventive-maintenance/files/modot/MoDOT%20Smoothness%20Spec_2024-05.pdf WebRoughness Index (IRI) was used as the measure of pavement smoothness. The IRI is a smoothness index that is widely used in the United States, and can be calculated for any profile that is measured by an inertial profiler. The LTPP program consists of two complementary programs, the General Pavement Studies(GPS) and Specific Pavement … fist of the north star release