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ACI 336.3R

Design and Construction of Drilled Piers

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Organization: ACI
Publication Date: 1 May 1993
Status: inactive
Page Count: 30
scope:

This report deals with design and construction of drilled pier foundations which are constructed by digging, drilling or otherwise excavating a hole in the earth which is subsequently filled with plain or reinforced concrete. Engineers and constructors have used the terms caissons, foundation piers, bored piles, drilled shafts, subpiers, and drilled piers interchangeably. Only the term drilled pier will be used in this report.

 Structural design and construction of drilled pier foundations are the primary objectives of this report. Yet geotechnical considerations are vital because variations in the soil properties have a critical influence on design and construction. Therefore, relevant aspects of soil mechanics are also discussed herein. For the successful design and construction of the drilled pier foundation, it is necessary that a reliable set of data on the supporting earth be obtained. For this task, combined attention and cooperation of the Geotechnical Engineer, Structural Engineer and constructor is essential because limitations of construction often govern the design.

This report is intended primarily for use in building construction, but the sections on construction methods, inspection and testing are equally applicable to bridge and other construction.

Document History

August 1, 2014
Report on Design and Construction of Drilled Piers
This report is generally limited to piers of 30 in. (760 mm) or larger diameter, made by open or slurry stabilized construction methods. A 30 in. (760 mm) diameter boundary is an arbitrary size....
ACI 336.3R
May 1, 1993
Design and Construction of Drilled Piers
This report deals with design and construction of drilled pier foundations which are constructed by digging, drilling or otherwise excavating a hole in the earth which is subsequently filled with...
January 1, 1993
Design and Construction of Drilled Piers
This report deals with design and construction of drilled pier foundations which are constructed by digging, drilling or otherwise excavating a hole in the earth which is subsequently filled with...
January 1, 1993
Design and Construction of Drilled Piers
A description is not available for this item.

References

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