OVERLOADING AND STRENGTHENING OF FLEXIBLE PAVEMENTS WITH SPECIAL REFERENCE TO AIRFIELDS
THE BENKELMAN BEAM CAN BE USED TO ASSESS THE BEARING CAPACITY OF PAVEMENTS OR AIRFIELDS. HOWEVER, AS THE LCN (LOAD CLASSIFICATION NUMBER) INCREASES, THE STEEPNESS OF THE RELATIONSHIP MAKES INTERPOLATION UNRELIABLE. AMERICAN OVERLOAD FACTORS ARE TOO UNIVERSAL FOR APPLICATION ON RHODESIAN AIRFIELDS AND A NEW APPROACH IS SUGGESTED USING PLATE TEST DATA. IN THE ABSENCE OF SUCH DATA A GENERALIZED FORMULA HAS BEEN DEVELOPED. THE INCREASED EFFECT OF OVERLOADS ON RHODESIAN AIRFIELDS IS DUE TO LOCAL CONSTRUCTION MATERIALS WHICH ARE PRESENTLY STRESSED NEAR TO THEIR ELASTIC LIMITS BY CLIMATIC, GEOMORPHOLOGICAL, AND PEDOLOGICAL CONDITIONS. IT IS THOUGHT THAT THE SAME CONDITION WILL APPLY TO THE ROADS WHICH USE NATURAL OR MODIFIED GRAVELS, AND ARE BUILT OVER LOOSELY COMPACTED ROADBEDS. /AUTHOR/
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Supplemental Notes:
- Vol 9, No 3, PP 960-967
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Authors:
- Mitchell, R L
- Publication Date: 1971-5
Media Info
Subject/Index Terms
- TRT Terms: Airports; Bearing capacity; Flexible pavements; Oversize loads; Plate bearing test; Strength of materials
- Uncontrolled Terms: Overloads
- Subject Areas: Aviation; Highways; Pavements; Terminals and Facilities;
Filing Info
- Accession Number: 00205958
- Record Type: Publication
- Files: TRIS
- Created Date: Mar 7 1972 12:00AM