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RISBack-Calculation of Nonlinear Properties of Subgrade Using a New In Situ Nondestructive Testing Approach Based on Loading Sequence
Publisher: American Society of Civil Engineers
Abstract: This study aims to develop a new in situ nondestructive testing (NDT) method to determine nonlinear parameters of subgrade soils and to establish a method to calculate the subgrade design modulus. The new method collects ...
Back-Calculation of Elastic Modulus of High Liquid Limit Clay Subgrades Based on Viscoelastic Theory and Multipopulation Genetic Algorithm
Publisher: ASCE
Abstract: This paper presents a new model for modulus back-calculation for high liquid limit clay subgrades. In this model, the viscoelasticity theory is employed to describe the displacement hysteresis, and the multipopulation ...