Study on Compaction Moisture Range Specifications of North Dakota State and Development of Empirical Equations for Predicting Compaction Characteristics

Abstract

Stability of soil plays an important role in the construction of engineering structures like pavements, buildings, embankments, dams, etc. Compaction is the process where proper stability of soil is ensured with required specifications. In this study, efforts have been made to develop empirical equations for Proctor test methods which help in predicting compaction parameters in relation with Atterberg limits for a soil type. The use of empirical equations will help in economy of the project by saving the time involved in performing laboratory activities and associated costs. Results indicate that Plastic limits holds a good correlation and can be utilized in compaction prediction parameters for Modified Proctor. This study also aimed to analyze the current compaction moisture range specifications of North Dakota State to provide recommendations on their current standards. A saturation peak concept is proposed that will aid in determining the limiting moisture range as the compaction density increases.