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This book is specifically designed as a guide to highway engineers. It was used as a textbook for the FHWA training courses on the above title. Several methods of analysis and design of piles under lateral loading are in use. Two methods are presented: the method of Broms, and the method where nonlinear soil-response curves, p-y curves, are employed. The latter method is given prominence because of its versatility. A computer program is presented for solving the equations giving pile deflection, rotation, bending moment, and shear. An iterative procedure is employed internally in the computer program because of the nonlinear response of the soil. Nondimensional curves are presented that can be used for "hand" solution of the differential equation. Nondimensional solutions are useful as a means of checking computer output and to provide insight into the nature of the problem. Several examples are solved and the material is presented in a manner to simplify necessary computations, with step-by-step procedures given where appropriate.
Drilled shafts have been used on a limited scale for many years as an alternative to driven piles in a variety of foundation problems. However, uncertainty about the behavior of the drilled shaft has forestalled widespread adoption. The subject package, by Dr. Lymon C. Reese of the University of Texas, is intended for use by bridge engineers, geotechnical engineers, and builders of pile foundations. The manual contains rational procedures and practical guidelines for the design and construction of drilled shaft foundations. Volume I presents a rational design procedure for drilled shafts under axial loading and includes guidelines on construction methods, inspection, load testing, specifications, and cost estimates. Volume II presents alternative methods for computing the response of the shaft to lateral loading and presents the structural design of the shaft for axial and/or lateral loading.
This Handbook is specifically designed as a guide to highway engineers. It was used as a textbook for the FHWA training courses on the above title. Several methods of analysis and design of piles under lateral loading are in use. Two methods are presented: the method of Broms, and the method where nonlinear soil-response curves, p-y curves, are employed. The latter method is given prominence because of its versatility. A computer program is presented for solving the equations giving pile deflection, rotation, bending moment, and shear. An iterative procedure is employed internally in the computer program because of the nonlinear response of the soil. Nondimensional curves are presented that can be used for "hand" solution of the differential equation.
The complexities of designing piles for lateral loads are manifold as there are many forces that are critical to the design of big structures such as bridges, offshore and waterfront structures and retaining walls. The loads on structures should be supported either horizontally or laterally or in both directions and most structures have in common t
Drilled shafts have been used on a limited scale for many years as an alternative to driven piles in a variety of foundation problems. However, uncertainty about the behavior of the drilled shaft has forestalled widespread adoption. The subject package, by Dr. Lymon C. Reese of the University of Texas, is intended for use by bridge engineers, geotechnical engineers, and builders of pile foundations. The manual contains rational procedures and practical guidelines for the design and construction of drilled shaft foundations. Volume I presents a rational design procedure for drilled shafts under axial loading and includes guidelines on construction methods, inspection, load testing, specifications, and cost estimates. Volume II presents alternative methods for computing the response of the shaft to lateral loading and presents the structural design of the shaft for axial and/or lateral loading.
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 360: Rock-Socketed Shafts for Highway Structure Foundations explores current practices pertaining to each step of the design process, along with the limitations; identifies emerging and promising technologies; examines the principal challenges in advancing the state of the practice; and investigates future developments and potential improvements in the use and design of rock-socketed shafts.
More than ten years have passed since the first edition was published. During that period there have been a substantial number of changes in geotechnical engineering, especially in the applications of foundation engineering. As the world population increases, more land is needed and many soil deposits previously deemed unsuitable for residential housing or other construction projects are now being used. Such areas include problematic soil regions, mining subsidence areas, and sanitary landfills. To overcome the problems associated with these natural or man-made soil deposits, new and improved methods of analysis, design, and implementation are needed in foundation construction. As society develops and living standards rise, tall buildings, transportation facilities, and industrial complexes are increasingly being built. Because of the heavy design loads and the complicated environments, the traditional design concepts, construction materials, methods, and equipment also need improvement. Further, recent energy and material shortages have caused additional burdens on the engineering profession and brought about the need to seek alternative or cost-saving methods for foundation design and construction.