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Soil Behavior Around Laterally Loaded Piles

1968
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Release : 1968
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Book Synopsis Soil Behavior Around Laterally Loaded Piles by : H. L. Gill

Download or read book Soil Behavior Around Laterally Loaded Piles written by H. L. Gill. This book was released on 1968. Available in PDF, EPUB and Kindle. Book excerpt: Field tests were performed to study the horizontal load-displacement characteristics of natural soil deposits and to associate these characteristics with the behavior of laterally loaded piles. The ultimate objective of the tests was to acquire information essential for the design of laterally loaded soil-supported structures. Three soil conditions were considered: (1) bay mud with a desiccated crust in its natural dry state, (2) bay mud submerged within the area of testing, and (3) a hydraulic fill of granular material classified as SP by the unified soil classification system. Segmental pile tests were performed with three sizes of laterally loaded segments and at various depths below ground surface in the bay mud. (Similar tests in the hydraulic fill were covered in a previous NCEL report.) Lateral load tests on full-scale piles from 4 to 16 inches in diameter were performed at each test site. Theoretical information, available soil data, and results of the segmental pile tests were compared and combined to establish representative lateral load-displacement relationships for the soil at any depth at the three sites by using rectangular hyperbolas. Theoretical predictions of the response of laterally loaded piles were made using these relationships, and the results were compared with data obtained during the lateral load tests on piles. Experimental data and theoretical predictions compared favorably. (Author).

Analysis of Laterally Loaded Piles in Multilayered Soil Deposits

2007-10-01 Transportation
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Release : 2007-10-01
Genre : Transportation
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Book Rating : 264/5 ( reviews)

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Book Synopsis Analysis of Laterally Loaded Piles in Multilayered Soil Deposits by : Dipanjan Basu

Download or read book Analysis of Laterally Loaded Piles in Multilayered Soil Deposits written by Dipanjan Basu. This book was released on 2007-10-01. Available in PDF, EPUB and Kindle. Book excerpt: This report focuses on the development of a new method of analysis of laterally loaded piles embedded in a multi-layered soil deposit treated as a three-dimensional continuum. Assuming that soil behaves as a linear elastic material, the governing differential equations for the deflection of laterally loaded piles were obtained using energy principles and calculus of variations. The differential equations were solved using both the method of initial parameters and numerical techniques. Soil resistance, pile deflection, slope of the deflected pile, bending moment and shear force can be easily obtained at any depth along the entire pile length. The results of the analysis were in very good agreement with three-dimensional finite element analysis results. The analysis was further extended to account for soil nonlinearity. A few simple constitutive relationships that allow for modulus degradation with increasing strain were incorporated into the analysis. The interaction of piles in groups was also studied.

Pile Foundation Analysis and Design

1990-01-01 Technology & Engineering
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Release : 1990-01-01
Genre : Technology & Engineering
Kind : eBook
Book Rating : 498/5 ( reviews)

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Book Synopsis Pile Foundation Analysis and Design by : H. G. Poulos

Download or read book Pile Foundation Analysis and Design written by H. G. Poulos. This book was released on 1990-01-01. Available in PDF, EPUB and Kindle. Book excerpt:

Soil Behavior from Analysis of Tests of Uninstrumented Piles Under Lateral Loading

1969 Dead loads (Mechanics)
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Release : 1969
Genre : Dead loads (Mechanics)
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Book Synopsis Soil Behavior from Analysis of Tests of Uninstrumented Piles Under Lateral Loading by : L. C. Reese

Download or read book Soil Behavior from Analysis of Tests of Uninstrumented Piles Under Lateral Loading written by L. C. Reese. This book was released on 1969. Available in PDF, EPUB and Kindle. Book excerpt: The most up-to-date method for the design of laterally loaded piles is to solve numerically the differential equation describing pile behavior. Iterative solutions are necessary since there is a nonlinear relationship between soil resistance and pile deflection. Curves giving soil resistance as a function of pile deflection, called p-y curves, have been the subject of research for a number of years. The development of p-y curves normally requires that a test be performed on an instrumented laterally loaded pile. A curve showing bending moment in the pile needs to be obtained for each of the applied loads. This curve can be differentiated twice to obtain soil resistance, and it can be integrated twice to obtain pile deflection. Cross plots of these values can be made at desired depths to obtain the p-y curves. This paper shows that nondimensional curves, developed from the numerical solutions of the differential equation, can be used to estimate p-y curves if only the following easily obtainable information is reported; pile properties, magnitude of the individual lateral loads, point of load application, deflection of the top of the pile, slope of the top of the pile, and condition of restraint (if any) at the top of the pile. Thus, there needs to be no instrumentation of the pile except above ground. The procedure is illustrated by applying it to a test reported in the literature.

Behavior of Laterally Loaded Piles in Cohesionless Soils

1980 Soil mechanics
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Release : 1980
Genre : Soil mechanics
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Book Synopsis Behavior of Laterally Loaded Piles in Cohesionless Soils by : Arthur Fang Sheen

Download or read book Behavior of Laterally Loaded Piles in Cohesionless Soils written by Arthur Fang Sheen. This book was released on 1980. Available in PDF, EPUB and Kindle. Book excerpt:

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