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Roughness progression for a road in Texas, US. Blue dots show the times of maintenance. The international roughness index (IRI) is the roughness index most commonly obtained from measured longitudinal road profiles. It is calculated using a quarter-car vehicle math model, whose response is accumulated to yield a roughness index with units of ...
These include transversal road profile, macro-texture measurements, longitudinal profile, rut depth, rut width, cross fall, curve radius, cracks, International Roughness Index (IRI), [citation needed] mean profile depth, vehicle speed, position relative to the start point, GNSS position, together with pavement imaging and time-stamping of measurements.
The present serviceability index (PSI) is a pavement performance measure.Introduced by the American Association of State Highway and Transportation Officials (AASHTO), the PSI is one of the most widely used pavement performance indicators after pavement condition index (PCI) and international roughness index (IRI).
The Indonesian Food and Drug Authority (Indonesian: Badan Pengawas Obat dan Makanan, lit. 'Food and Drug Supervisory Agency'), Badan POM/BPOM, or Indonesian FDA is a government agency of Indonesia responsible for protecting public health through the control and supervision of prescription and over-the-counter pharmaceutical drugs (medication), vaccines, biopharmaceuticals, dietary supplements ...
The pavement condition index (PCI) is a numerical index between 0 and 100, which is used to indicate the general condition of a pavement section.The PCI is widely used in transportation civil engineering [1] and asset management, and many municipalities use it to measure the performance of their road infrastructure and their levels of service. [2]
Removing the copy/past violation flag. Looking at the comparison at , the identified sections are either technical phrases or names of organizations, such as "National Cooperative Highway Research Program," or cover definitions and other material that has been present in the article since as early as 2010 (five years prior to the publication of the thesis).
Nesting index: index corresponding to the cut-off wavelength of a linear filter, or to the scale of the structuring element of a morphological filter. Under 25178, industry-specific taxonomies such as roughness vs waviness are replaced by the more general concept of "scale limited surface" and "cut-off" by "nesting index".
Indonesia was the second largest producer of non-chicken egg (2020). Indonesia was the second largest producer of green beans (2020). Indonesia was the second largest producer of mango, mangosteen, guava (2020). Indonesia was the third largest producer of black pepper (2020). Indonesia was the third largest producer of chili pepper (2020).