CALCULATION OF THE ELASTIC MODULI OF A TWO-LAYER PAVEMENT SYSTEM FROM MEASURED SURFACE DEFLECTIONS
F H Scrivner, C H Michalak, William M. Moore
Abstract
F H Scrivner, C H Michalak, William M. Moore
Abstract
THIS REPORT GIVES THE THEORETICAL BACKGROUND AND A DESCRIPTION OF A NEW COMPUTER PROGRAM, ELASTIC MODULUS II, WHICH IS CAPABLE OF CONVERTING DEFLECTIONS MEASURED BY THE DYNAFLECT ON THE SURFACE OF A HIGHWAY PAVEMENT-SUBGRADE (TWO-LAYER ELASTIC) SYSTEM TO THE ELASTIC MODULI OF THE PAVEMENT AND SUBGRADE. INCLUDED IN THIS PAPER ARE THE SOLUTIONS OF SEVERAL TYPICAL PROBLEMS. THE COMPUTER PROGRAM MAY EVENTUALLY BECOME A PART OF A COMPREHENSIVE FLEXIBLE PAVEMENT DESIGN SYSTEM NOW BEING IMPLEMENTED BY THE TEXAS HIGHWAY DEPARTMENT.
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THIS REPORT GIVES THE THEORETICAL BACKGROUND AND A DESCRIPTION OF A NEW COMPUTER PROGRAM, ELASTIC MODULUS II, WHICH IS CAPABLE OF CONVERTING DEFLECTIONS MEASURED BY THE DYNAFLECT ON THE SURFACE OF A HIGHWAY PAVEMENT-SUBGRADE (TWO-LAYER ELASTIC) SYSTEM TO THE ELASTIC MODULI OF THE PAVEMENT AND SUBGRADE. INCLUDED IN THIS PAPER ARE THE SOLUTIONS OF SEVERAL TYPICAL PROBLEMS. THE COMPUTER PROGRAM MAY EVENTUALLY BECOME A PART OF A COMPREHENSIVE FLEXIBLE PAVEMENT DESIGN SYSTEM NOW BEING IMPLEMENTED BY THE TEXAS HIGHWAY DEPARTMENT.
Key concepts: Subgrade, Deflection (physics), Moduli, Elastic modulus, Geotechnical engineering, Computer program, Structural engineering, Modulus