A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Axial Performance of Continuous-Flight-Auger Piles for Bearing
Technology for the construction of continuous-flight-auger (CFA) piles has advanced to the point where these types of piles potentially can be considered as reliable as other types of piling (driven piles, drilled shafts) for supporting bearing loads produced by highway structures. To provides a basis for the axial design and construction of CFA soils in the coastal soils of the Houston District of the Texas Department of Transportation, a thorough comparison was made of several axial capacity prediction methods and capacities of CFA piles measured in numerous load tests performed for the private sector. A special effort was made to construct (and carefully monitor the construction of) three instrumented test piles at three geologically diverse sites in the Houston District: (1) a stiff clay site, (2) am site with a profile consisting of stiff clay and loose, waterbearing sand, and (3) a site consisting of dry, medium dense sand. Analysis of the axial load test results confirmed the preliminary findings given above and also confirmed that with appropriate construction controls CFA piles can be installed with high axial capacity and a high degree of structural integrity.
Axial Performance of Continuous-Flight-Auger Piles for Bearing
Technology for the construction of continuous-flight-auger (CFA) piles has advanced to the point where these types of piles potentially can be considered as reliable as other types of piling (driven piles, drilled shafts) for supporting bearing loads produced by highway structures. To provides a basis for the axial design and construction of CFA soils in the coastal soils of the Houston District of the Texas Department of Transportation, a thorough comparison was made of several axial capacity prediction methods and capacities of CFA piles measured in numerous load tests performed for the private sector. A special effort was made to construct (and carefully monitor the construction of) three instrumented test piles at three geologically diverse sites in the Houston District: (1) a stiff clay site, (2) am site with a profile consisting of stiff clay and loose, waterbearing sand, and (3) a site consisting of dry, medium dense sand. Analysis of the axial load test results confirmed the preliminary findings given above and also confirmed that with appropriate construction controls CFA piles can be installed with high axial capacity and a high degree of structural integrity.
Axial Performance of Continuous-Flight-Auger Piles for Bearing
M. W. O'Neill (author) / C. Vipulanandan (author) / A. Ata (author) / F. Tan (author)
1999
276 pages
Report
No indication
English
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