Improvements of quality assurance testing program for subgrade and base layer construction

Fouzieh Rouzmehr, Pangil Choi, Jeong Hee Nam, Moon Won

Research output: Contribution to journalArticlepeer-review

Abstract

The performance of Portland Cement Concrete pavement depends on the support provided by layers under the concrete slab. Considering the importance of slab support on concrete pavement performance, a good quality assurance testing is needed for the construction of layers under the concrete slab. Deflection measurements on stabilized base could provide sound quality assurance testing. A threshold deflection value for construction acceptance was developed from the analysis of the field deflection data as well as theoretical analysis. Based on the information obtained, a protocol for quality assurance testing for base and subgrade construction was developed.

Original languageEnglish
Article number125157
JournalConstruction and Building Materials
Volume310
DOIs
StatePublished - Dec 6 2021

Keywords

  • Base
  • Concrete pavement
  • FWD
  • Quality assurance

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