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This research investigates the performance evaluation of Cold In-Place Recycled Pavement (CIRP) in Kerala. Detailed pavement evaluation studies, including functional and structural evaluation, were conducted on the CIRP-constructed road in NH66 in Malappuram district, Kerala. Falling weight deflectometer (FWD) and KGPBACK software were used to evaluate the performance of a CIRP road section by studying the deflection in response to the load applied at selected points on the highway. Based on the analysis of data collected, a maintenance strategy is developed for a conventional flexible pavement using CIRP technology. The back-calculated result obtained from the study was used as the input parameter for designing the maintenance strategy for a selected stretch of State Highway 57 under the same traffic, terrain, and climatic conditions. A cost comparison study was also performed to understand the sustainability of CIRP over a conventional method. The research findings showed that pavements built using Cold In-Place Recycling Pavement (CIRP) demonstrated superior performance in terms of cost-effectiveness, strength, and environmental friendliness.

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A Case Study on the Performance of Cold In-Place Recycled Pavement in Kerala

  • 会议论文

  • 发表日期：

    2025年

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  • P. P. Shijith,
  • Azad K. Ashik,
  • V. K. Abhishek,
  • N. Snesha,
  • A. K. Revathi,
  • N. Swathi,
  • A. Arathi,
  • T. Priyanka

摘要

This research investigates the performance evaluation of Cold In-Place Recycled Pavement (CIRP) in Kerala. Detailed pavement evaluation studies, including functional and structural evaluation, were conducted on the CIRP-constructed road in NH66 in Malappuram district, Kerala. Falling weight deflectometer (FWD) and KGPBACK software were used to evaluate the performance of a CIRP road section by studying the deflection in response to the load applied at selected points on the highway. Based on the analysis of data collected, a maintenance strategy is developed for a conventional flexible pavement using CIRP technology. The back-calculated result obtained from the study was used as the input parameter for designing the maintenance strategy for a selected stretch of State Highway 57 under the same traffic, terrain, and climatic conditions. A cost comparison study was also performed to understand the sustainability of CIRP over a conventional method. The research findings showed that pavements built using Cold In-Place Recycling Pavement (CIRP) demonstrated superior performance in terms of cost-effectiveness, strength, and environmental friendliness.