Roughness: using parameters such as the International Roughness Index to evaluate comfort for drivers.Structural condition: which analyzes pavement's structural strength to take loading from trucks.
Functional surface condition: where all the distresses such as cracks, potholes, rutting and others are analyzed.These empirical methods have several limitations. The evaluation of existing road pavements is done based on 3 factors In many regions around the world, the empirical pavement design methods are the only pavement design choices available to pavement engineers. The two methods - empirical or mechanistic is used to determine pavement layer thicknesses. Calculation of pavement layer strengths can be performed from the resulting deflection data. presents the software home screen, which gives access to seven input modules and the calculation launcher. Life-cycle cost analysis (LCCA) Excel spreadsheets to calculate initial construction costs and perform life-cycle cost analysis (LCCA). MnDOT Pavement Design Manual, templates, consultant contracting and other documents. Another example is the use of a falling weight deflectometer (FWD) to non-destructively test existing pavements. The software i3C -me is a flexible pavement design software developed using VisualBasic coding. MnDOT pavement design and other programs. The Pavement Condition Index (PCI) is an example of an engineering approach applied to existing pavements. Maintenance often involves using engineering judgment to make maintenance repairs with the highest long-term benefit and lowest cost. Pavement engineering involves new construction as well as rehabilitation and maintenance of existing pavements. This includes streets and highways and involves knowledge of soils, hydraulics, and material properties. Pavement engineering is a branch of civil engineering that uses engineering techniques to design and maintain flexible ( asphalt) and rigid ( concrete) pavements.