Finite element simulation of structural performance on flexible pavements with stabilized base/treated sub-base materials under accelerated loading : research project capsule.

Details

• Creators:
  Wu, Zhong
• Corporate Creators:
  Louisiana Transportation Research Center
• Corporate Contributors:
  Louisiana State University (Baton Rouge, La.) ; Louisiana. Dept. of Transportation and Development
• Subject/TRT Terms:
  • Flexible pavements
  • Base course (Pavements)
  • Subbase (Pavements)
  • Accelerated tests
  • Loads
  • Structural tests
  • Tests
  • Testing
  • Structural analysis
  • Structural models
  More +
• Publication/ Report Number:
  07¿1P
• Resource Type:
  Tech Report
• Geographical Coverage:
  Louisiana
• Edition:
  Research project capsule.
• Corporate Publisher:
  Louisiana Transportation Research Center
• Description:
  PROBLEM: The full-scale accelerated pavement testing (APT) provides a unique tool for pavement
  
  engineers to directly collect pavement performance and failure data under heavy
  
  wheel loading. However, running a full-scale APT experiment is very expensive. Only a
  
  few selected pavement structures/materials can be tested using APT. Therefore,
  
  computer simulation of APT becomes a logical direction to expand the benefit from an
  
  APT study.
  
  Currently, no computer programs in the literature are able (or suitable) to predict the
  
  pavement rutting performance developed in a pavement structure containing
  
  chemically stabilized base or sub-base layers, such as cement treated or stabilized
  
  soils, slag or fly-ash treated BCS materials, and lime-treated soils as investigated
  
  currently at the Louisiana Transportation Research Center (LTRC).
  
  OBJECTIVE: The objective of this research is to develop a finite element (FE) model to simulate
  
  performance of pavement structures, specifically for rutting performance of the
  
  chemically stabilized base/sub-base materials, under accelerated loading. Initial
  
  validation of the model will be performed using results from a current LTRC study:
  
  Accelerated Loading Evaluation of a Sub-base Layer on Pavement Performance (ALF
  
  Experiment 4).
• Format:
  PDF
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/17097/dot_17097_DS1.pdf
• File Type:
  [PDF - 196.18 KB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha256:8e9860e71d24d70708a5a2e0708397347718da39f30f9f8509c0881097d18ef2