BEHAVIOR OF AXIALLY LOADED DRILLED SHAFTS IN CLAY-SHALES
The behaviour of axially loaded drilled shafts which derive most of their resistance to compressive loads from clay-shales is studied. Four instrumented test shafts were loaded to failure using a new type of reaction system in which all the tension steel could be recovered after testing. Three shafts were tested in Montipolis near Austin, and one shaft was tested in Dallas. On the basis of detailed analyses of field data as well as laboratory and field evaluation of the shear strength of soils, the load transferred to the clay-shale has been correlated to the shear strength and in-situ dynamic penetration resistance of clay-shales. A design procedure, with indications of its limitations, has been suggested for computing axial capacity with drilled shafts in clay-shales.
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- Sponsored by Texas State Department of Highways and Public Transportation and prepared in cooperation with the Department of Transportation, Federal Highway Administration.
University of Texas, AustinCenter for Highway Research, 200 West 21st Street
Austin, TX United States 78712
- Aurora, R P
- Reese, L C
- Publication Date: 1976-3
- Features: Appendices; References;
- Pagination: 172 p.
- TRT Terms: Axial loads; Clay; Design methods; Shale
- Uncontrolled Terms: Drilled shafts
- Subject Areas: Design; Geotechnology; Highways;
- Accession Number: 00145180
- Record Type: Publication
- ISBN: 4
- Report/Paper Numbers: CFHR 3-5-72-176-4 Intrm Rpt.
- Contract Numbers: Research Study 3-5-7
- Files: TRIS
- Created Date: Mar 15 1977 12:00AM