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Evaluating the Performance of Wicking Geotextile in Providing Drainage for Flexible Pavements built over Expansive Soils – Nripojyoti Biswas

Introduction

Nripojyoti BiswasThe longevity and performance of a pavement section depend on the characteristics of the subgrade soil. A majority of the pavements in North Texas are constructed on expansive soils. The deterioration of the pavement performance due to rutting, cracking, and differential heaving is a regular phenomenon in the regions predominantly distributed with expansive soils. The pavements, particularly those built for low-volume traffic conditions, experience distress due to the high swelling and shrinkage characteristics of the underlying problematic soils. Geosynthetics have been traditionally used to improve such poor subgrades due to their many benefits, such as ease of installation, ample mechanical and hydraulic properties. In the last decade, a newly available wicking geotextile, with a moisture redistribution capacity, has been developed to improve the performance of pavements constructed over expansive and frozen soils. In this study, a small-scale laboratory and field studies were conducted to comprehend the wicking ability of this innovative geotextile in an expansive soil environment. Full-scale test sections were constructed with reclaimed asphalt pavement (RAP) aggregate base and traditional flex-base near North Texas. Details of the construction and instrumentation procedure are discussed in this poster. A comparative study between the performance of the pavement sections subjected to traffic loads and moisture intrusion was also performed. The observations during the initial phase indicated that the wicking geotextile has the potential to improve the long-term pavement performance.

Poster

Nripojyoti_Biswas_Poster_Wicking Geotextile

 

Other Posters

  • Effect of Aging and Rejuvenation on the Rheological, Microscopic and Chemical Properties of Asphalt Binder Blends – Amal Abdelaziz
  • Balanced Mix Design Approach for Superpave Hot-Mix Asphalt (HMA) Mixtures with RAP – Haydar Al-Khayat
  • In Situ Resource Utilization and Reconfiguration of Soils Into Construction Materials for the Additive Manufacturing of Buildings – Aayushi Bajpayee
  • Evaluating the Performance of Wicking Geotextile in Providing Drainage for Flexible Pavements built over Expansive Soils – Nripojyoti Biswas
  • Eye in the Sky: Infrastructure Monitoring Using Unmanned Aerial Vehicles- Close Range Photogrammetry Technology – Surya Sarat Chandra Congress & Amit Gajurel
  • A Novel Model for Assessing SCC Susceptibility of Carbon Steel – Yuan Ding
  • Experimental and Analytical Assessment of Internal and Panel-to-Panel Cross-Laminated Timber Connections for Balloon-Style Construction – Ben Hayes
  • Stabilization of Sulfate-Rich Expansive Soils using Metakaolin-based Geopolymer – Jungyeon Jang
  • Performance of Geocell-Reinforced Recycled Asphalt Pavement (RAP) Bases in Flexible Pavements Built on Expansive Soils – Md Ashrafuzzaman Khan
  • A Smart Coating Embedded with pH-Responsive Nanocapsules Containing a Corrosion Inhibiting Agent – Changkyu Kim
  • Environmental Impact Assessment of Propylene Glycol – Prince Kumar
  • Re-Envisioning the Human-Built Environment Interface with Artificial Intelligence – Nipun Nath & CIBER Researchers
  • Biomimicry of Naturally Occurring Minerals to Develop Composites – Aditi Pandey & Paul Schwab
  • Privacy-Preserving Demand Response from Residential Thermal Loads – Sivaranjani Seetharaman & Iyke Idehen

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