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It estimates the composite of support of any subgrade (s) or subbase (s) layers below the concrete pavement surface course. This web applet allows you to determine the composite k-Value with consideration for up to three subgrade/subbase layers.
Step 1 - Calculate Subgrade Static k -Value. Resilient Modulus of Subgrade (MRSG), psi: k-Value corresponding to the calculated MRSG:
Compare the total number of observations required in the central composite designs versus the \(3^k\) designs. As the number of factors increases, you can see the efficiencies that are brought to bear.
Step 2 - Calculate Composite Static k-Value From the top layer down, input subgrade/subbase details
The modulus of subgrade reaction (k) is used as a primary input for rigid pavement design. It estimates the support of the layers below a rigid pavement surface course (the PCC slab). The k-value can be determined by field tests or by correlation with other tests.
K-Value Estimation refers to the process of determining the optimal number of clusters in a dataset when employing clustering algorithms, particularly in the context of data science and statistical analysis.
This function calculates the k factors used when determining A- and B-Basis values for normally distributed data. To get kB k B, set the content of the tolerance bound to p = 0.90 and the confidence level to conf = 0.95. To get kA k A, set p = 0.99 and conf = 0.95.
