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Development of Site-Specific Acceleration Response Spectra fora Liquefiable Bridge Site
By S. Ali Bastani, Ashley Varni
Design acceleration response spectra (ARS) are directly correlated with dynamic forces and estimated dynamic bridge displacements, which make them a critical aspect of dynamic bridge design. Nonlinear
Jan 1, 2018
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Production And Testing Of 600 Reinforced-Concrete Piles For The Central Bank Of Iraq
By H. Meseck
The new building of the Central Bank of Iraq in Baghdad was footed in difficult underground conditions on more than 600 reinforced concrete driven piles, with cross-sectional diameters of 45 x 45 cm a
Jan 1, 1989
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Helical Piles With Grouted Shafts - A Practical Overview
By Gary L. Seider
Helical screw piles are used in various applications including the underpinning of distressed foundations and as deep foundations for new structures. At present, maximum design loads range between 12.
Jan 1, 2003
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A Case Study Supporting The Need For A Rational Method For Design And Installation Of Vibratory Driven Piles
By Franklin M. Grynkewicz
The subject of bearing pile performance installed by vibratory hammers has been a matter of increasing study and continued controversy. A recent case study from a major bridge replacement project is d
Jan 1, 1991
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Differing Site Conditions
By James J. Tansey
A Deep Foundations Institute meeting with the University of Michigan at Ann Arbor in March of 1984 featured legal rights under Differing Site Conditions. A workshop conducted by the authors and Gerard
Jan 1, 1985
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Results Of An International Pile Load Testing Prediction Event
By N. Charue
An international prediction event was carried out within the framework of a 30-pile testing program organized in a sandy soil in Belgium (Limelette). That program called upon several testing methods:
Jan 1, 2002
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Spring Constants of Belled Caissons for Seismic Retrofit of an Existing Critical Structure in a Seismically Active Area
By David E. Albus, Ahmadreza Mortezaie, Bidjan Ghahreman
The structural evaluation of seismic performance of an existing hospital in Long Beach, California, required spring constants of foundation elements. The structure included support by deep foundation
Jan 1, 2018
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Prediction of Axial Geotechnical Resistance of Base Grouted Drilled Shafts
By Emad Farouz, Ehab S. Shatnawi
"The increasing demand for small deformations and high-capacity drilled shafts without enlarging drilledshaft diameters has motivated the development and increasing use of a base grouting (BG) techniq
Jan 1, 2016
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Re-Use Of Foundations And The Role Of NDE Techniques
By Huw Williams
It is becoming increasingly common practice to re-use existing foundations for new projects, especially on urban sites where geotechnical conditions are congested. A knowledge of the foundation dimens
Jan 1, 2006
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Non-Destructive Testing Of Drilled Shafts - Title ? Table Of Contents - Introduction And Overview
By Edmund J. Cardoza
WELCOME TO THE DEEP FOUNDATIONS INSTITUTE 26TH ANNUAL CONFERENCE AND WELCOME ESPECIALLY TO THIS SEMINAR ON NON-DESTRUCTIVE TESTING OF DRILLED SHAFTS, PRESENTED BY MEMBERS OF THE DFI DRILLED SHAFT COMM
Jan 1, 2001
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Tied-Down Boat Section Construction
By Romano J. Micciche
One of the largest scale uses of a multiple, high-strength steel bar tiedown system is described. Tiedowns were installed to resist hydrostatic uplift forces acting on a section of the Interstate High
Jan 1, 1994
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A Case Study on the Effects of Using Surcharge Fill as a Complement to Ground Improvement with Dry Deep Mixing
By Stefan Larsson, Sebastian Adevik, Sadek Baker, Razvan Ignat
"Abstract Uncertain strength, deformation and flow properties in dry deep mixing columns often lead to conservative choices concerning design values where the design is regularly complemented with a s
Jan 1, 2014
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Alternative Design Approach for Drag Load and Downdrag of Deep Foundations within the LRFD Framework
By Timothy C. Siegel, Derrick Dasenbrock, Rich Lamb, Paul J. Axtell
"The axial resistance provided by deep foundations may be divided into two components: side resistance and tip resistance. The direction that the side resistance acts depends on the relative movement
Jan 1, 2015
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Designed, PDA Assisted Load Tested, And Constructed Pile Foundation Provides An Economical Foundation Solution - A Case History
By Gregory A. Stephan
A case history of design, prediction, probe pile driving, and construction of a pile foundation for Building 3 of Waterside at Bay Beach Condominiums located in Fort Myers Beach, southwest Florida, is
Jan 1, 2003
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Deep Soil Mixed Wall And Jet Grouting For An Excavation Support System At The Museum Of Fine Arts In Boston, Massachusetts
By Harry Schnabel
A 6200 m² cement deep soil mixed (CDSM) wall was constructed for an addition to the Museum of Fine Arts in Boston, Massachusetts. The addition was located along the east side of the existing museum wi
Jan 1, 2011
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Conventional Static And Rapid Load Tests On CIDH Piers At A University Of California Berkeley Site
By Gyimah Kasali
Rapid Load Testing was performed as part of an extensive drilled pier testing program for the University of California Berkeley Capital Improvement Program. The purpose of the program was to: (1)
Jan 1, 2002
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Ensuring Performance of Tip Post-Grouted Bored Piles (Drilled Shafts) Through a Comprehensive Quality Assurance Program
By Mary Ellen Bruce Large, Antonio Marinucci, Silas C. Nichols
Tip post-grouting of bored pile (drilled shaft) foundations refers to a method where cementitious grout is injected beneath the tip of a shaft to improve the overall performance of the constructed fou
Jan 1, 2018
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The Advantage Of Measurement While Drilling (Mwd) For Geotechnical Site Characterization
By Anahita Modiriasari, Benjamin S. Rivers
Measurement while drilling (MWD) is a subsurface exploration technique associated with real-time and continuous monitoring and recording of drilling data during the drilling process. This technique ca
Oct 1, 2022
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Micropile Foundations For Support Of New Bridge Structures Over Abandoned Mine
By Timothy J. Myers
Expansion and the economic growth in the southwestern region of Missouri necessitated the expansion of State Route 249 and the construction of a new interchange to provide service to the Joplin, Misso
Jan 1, 2009
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The Silver Spring Transit Center: Design And Construction Of Drilled Shafts In An Urban Environment
By James E. Parkes
The Silver Spring Transit Center is a new three-level transit center that will include bus loops for County, Metro and intercity buses, parking, and retail space. It replaces an existing bus station
Jan 1, 2011