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A platform for research: civil engineering, architecture and urbanism
Lateral Load Capacity of Vertical Pile Groups
This report summarizes results of a literature review concerning methods of evaluating lateral load capacity of vertical piles. Three basic approaches are discussed: load tests (full-sized and scaled models), prescription values, and analytical solutions. Two analytical methods that appear to be used widely are described in some detail -- one developed by Bengt B. Broms and another by Lymon C. Reese. Both researchers treat a pile as a beam on an elastic foundation. Broms incorporates simplifying assumptions that facilitate manual solutions, while the Reese method provides for more varied conditions and generally requires using a computer. A step-by-step procedure and an illustrative example are included for each method. It is concluded that empirical-analytical methods now are the most feasible approach to estimating lateral load capacity in most situations. Broms and Reese's methods are considered to provide rational design procedures, the choice between them depending upon the complexity of soil and pile conditions. Load tests should be reserved for only the most critical situations and when economically warranted. Prescription values generally provide a crude approximation, at best, unless based on extensive experience under similar conditions. Values used for designing a particular structure should reflect past experience and sound engineering judgment.
Lateral Load Capacity of Vertical Pile Groups
This report summarizes results of a literature review concerning methods of evaluating lateral load capacity of vertical piles. Three basic approaches are discussed: load tests (full-sized and scaled models), prescription values, and analytical solutions. Two analytical methods that appear to be used widely are described in some detail -- one developed by Bengt B. Broms and another by Lymon C. Reese. Both researchers treat a pile as a beam on an elastic foundation. Broms incorporates simplifying assumptions that facilitate manual solutions, while the Reese method provides for more varied conditions and generally requires using a computer. A step-by-step procedure and an illustrative example are included for each method. It is concluded that empirical-analytical methods now are the most feasible approach to estimating lateral load capacity in most situations. Broms and Reese's methods are considered to provide rational design procedures, the choice between them depending upon the complexity of soil and pile conditions. Load tests should be reserved for only the most critical situations and when economically warranted. Prescription values generally provide a crude approximation, at best, unless based on extensive experience under similar conditions. Values used for designing a particular structure should reflect past experience and sound engineering judgment.
Lateral Load Capacity of Vertical Pile Groups
R. A. Kuthy (author) / R. P. Ungerer (author) / W. W. Renfrew (author) / J. G. F. Hiss (author) / I. F. Rizzuto (author)
1977
47 pages
Report
No indication
English
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