The purpose of this book is to provide a manual of foundation design and construction methods for the practising engineer. Synthetic and descriptive elements predominate the book while analytical considerations play a subordinate role. Sufficient soil mechanics is included to assist the student in relating and extending his knowledge to embrace the practical considerations involved in foundation selection, design and construction. The introductory chapter deals in general with site investigation and in particular with methods of drilling sampling and in situ testing of soils. Chapter two is on the general principles of foundation design. The chapter on design in relation to ground movements due to a variety of causes such as mining subsidence, machine vibration, frost heave and ground shrinkage should provide a useful introduction for those who have to deal with these problems. About 400 pages are devoted to the design aspects of the construction of spread, box and piled foundations.

Foundation design and construction

General Principles and Practices. Types of Pile. Piling Equipment and Methods. Calculating the Resistance of Piles to Compressive Loads. Pile Groups under Compressive Loading. The Design of Piled Foundations to Resist Uplift and Lateral Loading. The Structural Design of Piles and Pile Groups. Piling for Marine Structures. Miscellaneous Piling Problems. The Durability of Piled Foundations. Site Investigations, Piling Contracts, Pile Testing. Appendix - Properties of Materials

Pile design and construction practice

Piles are long, slender structural elements used to transfer the loads from the superstructure through weak strata onto stiffer soils or rocks. For driven piles, the impact of the piling hammer induces compression and tension stresses in the piles. Hence, an important design consideration is to check that the strength of the pile is sufficient to resist the stresses caused by the impact of the pile hammer. Due to its complexity, pile drivability lacks a precise analytical solution with regard to the phenomena involved. In situations where measured data or numerical hypothetical results are available, neural networks stand out in mapping the nonlinear interactions and relationships between the system's predictors and dependent responses. In addition, unlike most computational tools, no mathematical relationship assumption between the dependent and independent variables has to be made. Nevertheless, neural networks have been criticized for their long trial-and-error training process since the optimal configuration is not known a priori. This paper investigates the use of a fairly simple nonparametric regression algorithm known as multivariate adaptive regression splines (MARS), as an alternative to neural networks, to approximate the relationship between the inputs and dependent response, and to mathematically interpret the relationship between the various parameters. In this paper, the Back propagation neural network (BPNN) and MARS models are developed for assessing pile drivability in relation to the prediction of the Maximum compressive stresses (MCS), Maximum tensile stresses (MTS), and Blow per foot (BPF). A database of more than four thousand piles is utilized for model development and comparative performance between BPNN and MARS predictions.

https://cyberleninka.org/article/n/1084666.pdf

Multivariate adaptive regression splines and neural network models for prediction of pile drivability

Prediction of pile bearing capacity using a hybrid genetic algorithm-based ANN

This report contains the findings of a study to develop resistance factors for driven pile and drilled shaft foundations These factors are recommended for inclusion in Section 10 of the AASHTO Load and Resistance Factor Design (LRFD) Bridge Design Specifications to reflect current best practice in geotechnical design and construction The report also provides a detailed procedure for calibrating deep foundation resistance The material in this report will be of immediate interest to bridge engineers and geotechnical engineers involved in the design of pile and drilled shaft foundations

Load and resistance factor design (lrfd) for deep foundations

All pile-driving formulas, used at present time, are partly empirical and apply only to certain types or lengths of pile; mathematical method of wider application, depending on use of electronic computers and numerical integration is presented; pile must be divided for calculation into unit lengths considerably shorter than wavelength of stress or impact wave produced by hammer; application to other impact problems.

Pile-Driving Analysis by the Wave Equation

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Pile-Driving Analysis by the Wave Equation