3D-FE MODELING AND SIMULATION OF AIRFIELD PAVEMENTS SUBJECTED TO FWD IMPACT LOAD PULSE AND WHEEL LOADS. IN: AIRFIELD PAVEMENTS. CHALLENGES AND NEW TECHNOLOGIES

The purpose of this paper is to discuss and compare the results of an analysis done with a three dimensional-finite element dynamic and another done with a two dimensional-finite element-dynamic analysis for the thick and string pavement section. Nondestructive structural evaluation of existing airfield pavements by deflection testing is used to assess the load carrying capacity and strengthening design for future aircraft operations. The current back calculation programs analyze the deflection data and calculate in situ Young's modulus values based on linear elastic structural response analysis for static loading. Advanced three dimensional finite element dynamic analysis is used in this study to simulate airfield pavements subjected to nondestructive test load pulses. This study validates the in situ modulus values of a thick and strong airfield pavement section backcalculated from static analysis.

Language

  • English

Media Info

  • Features: Figures; References; Tables;
  • Pagination: p. 304-315

Subject/Index Terms

Filing Info

  • Accession Number: 00975012
  • Record Type: Publication
  • ISBN: 0784407118
  • Files: TRIS
  • Created Date: Jun 23 2004 12:00AM