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This volume provides a snapshot of the current thinking and development perspectives on the installation and design of screw piles within the framework of Eurocode 7. The material included provides background on the various aspects of screw piles, with particular reference to stiff clays: 1. Exptensive description of a multi-million Euros research program on the loading behaviour of screw piles; 2. Geological and geotechnical characterization of Boom clay, and overview of screw pile testing over the last 30 years; 3. Results of the various load tests recently performed on 30 piles: static, dynamic, statnamic, and integrity and outcome of an international prediction event; 4. Tentative translation of the current body of knowledge in terms of potential application rules to be soon ascenrtained at the national level, as required by Eurocode 7. The remarkable aspects of the soil displacement piles covered in this book is an exceptionally low variability of geotechnical parameters,installation performance, and pile capacity calculations.
An unbiased, comprehensive review of helical pile technology and applications Helical piles have risen from being merely an interesting alternative for special cases to a frequently requested, more widely accepted deep foundation adopted into the 2009 International Building Code. The first alternative to manufacturer-produced manuals, Howard Perko's Helical Piles: A Practical Guide to Design and Installation answers the industry's need for an unbiased and universally applicable text dedicated to the design and installation of helical piles, helical piers, screw piles, and torque anchors. Fully compliant with ICC-Evaluation Services, Inc., Acceptance Criteria for Helical Foundation Systems and Devices (AC358), this comprehensive reference guides construction professionals to manufactured helical pile systems and technology, providing objective insights into the benefits of helical pile foundations over driven or cast foundation systems, and recommending applications where appropriate. After introducing the reader to the basic features, terminology, history, and modern applications of helical pile technology, chapters discuss: Installation and basic geotechnics Bearing and pullout capacity Capacity verification through torque Axial load testing, reliability, and sizing Expansive soil and lateral load resistance Corrosion and life expectancy Foundation, earth retention, and underpinning systems Foundation economics Select proprietary systems IBC and NYC Building codes Covering such issues of concern as environmental sustainability, Helical Piles provides contractors and engineers as well as students in civil engineering with a practical, real-world guide to the design and installation of helical piles.
This text presents findings from the 3rd International Geotechnical Seminar, held in Ghent, Belgium. Topics include: American experiences with large diameter bored piles; case histories; static, dynamic and pile integrity testing; and installation parameters and capacity of screwed piles.
Although progressing very well over the last years, the design criteria for bored and auger piles are still not fully under control and in acceptable synergism with the real pile foundation behaviour. Although there has been a lot of research in the past years worldwide on deep foundation engineering, the strong and competitive market ha
'Baltic Piling' contains the proceedings of the ‘Baltic Piling Days 2012’ (Tallinn, Estonia, 3-5 September 2012). The book includes contributions on current issues in pile foundation engineering: - Interaction of pile and grillage; - Formation of pile bearing capacity - Settlements of piles - Pile foundation under historical buildings - Thermopiles, and - Interaction of georgid and pile. 'Baltic Piling' will be of interest to engineers, academics and students interested in pile foundation engineering and related disciplines.
The pile construction technologies are considered in the context of the compact urban development in case of new construction and reconstruction. Their advantages and disadvantages are set forth. The pile pe-netration technology using the jacking-down method is discussed. Special consideration is given to the modern technology of constructing replacement and displacement piles. Besides, screw steel piles are discussed that recently have been brought into active use in production and civil con-struction including the construction of foundations for country and low-rise houses. The last chapter is dedicated to the quality control of piling works. The Appendices to this Manual include the technical features of rigs and accessories for the penetration of driven, jacked, screw, replacement and displacement piles. This Manual is intended for the students of civil construction institu-tions of higher education who study building disciplines, students of up-grading qualification institutes and engineers and technicians who specialize in geotechnical engineering.