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This study investigates the strength characteristics of full depth reclamation (FDR) mixes by varying cement contents (4, 5, and 6%) and incorporating chemical stabilizers Terrasil and Zycobond. The experimental program evaluated gradation, compaction, and unconfined compressive strength (UCS) performance using reclaimed pavement material (RPM). Modified proctor compaction and UCS tests were conducted in accordance with Indian standards. Results indicated that the FDR mix with 5% cement achieved optimal performance, with a 7-day UCS of 4.61 MPa and a 28-day UCS of 5.95 MPa, satisfying IRC specifications. Improved compaction and moisture resistance further support its field applicability. The study confirms the viability of this mix for sustainable and durable pavement rehabilitation.

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Strength Characteristics of Full Depth Reclamation Mixes: Effect of Variable Cement Content and Chemical Stabilizers

  • 会议论文

  • 发表日期：

    2026年

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  • Suhani Yadav,
  • Pradeep Kumar Agarwal

摘要

This study investigates the strength characteristics of full depth reclamation (FDR) mixes by varying cement contents (4, 5, and 6%) and incorporating chemical stabilizers Terrasil and Zycobond. The experimental program evaluated gradation, compaction, and unconfined compressive strength (UCS) performance using reclaimed pavement material (RPM). Modified proctor compaction and UCS tests were conducted in accordance with Indian standards. Results indicated that the FDR mix with 5% cement achieved optimal performance, with a 7-day UCS of 4.61 MPa and a 28-day UCS of 5.95 MPa, satisfying IRC specifications. Improved compaction and moisture resistance further support its field applicability. The study confirms the viability of this mix for sustainable and durable pavement rehabilitation.