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The chapter discusses various methods of soil compaction, emphasizing the importance of understanding field conditions in relation to laboratory results. It outlines the equipment used for compaction, such as the pentagonal roller and vibrating drum, and highlights the factors that affect compaction in the field, including moisture content and soil type. Additionally, it explains the use of Proctor’s needle for determining soil water content quickly in the field.
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References
19.pdfClass Notes
Memorization
What we have learnt
Final Test
Revision Tests
Term: Compaction
Definition: The process of reducing the volume of voids in soil by applying mechanical forces, which enhances its density and stability.
Term: Optimum Moisture Content (OMC)
Definition: The moisture level at which soil can achieve maximum density when compacted.
Term: Proctor’s Needle
Definition: An instrument used for rapidly determining the water content of soil in the field, allowing for effective compaction monitoring.