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An Alternative Pile Technology
By Rimas Veitas, James Panton, Erich Steinlechner
"Ductile Iron Piles (DIPs) are a proven, viable alternative to conventional piles, and for the past five years have been successfully used throughout New England. The installation process of DIPs lend
Jan 1, 2017
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Unified Specifications for Soil-Mixed Seepage Cutoff Walls
By Wayne S. Smith, Erik James, Jose R. Gomez
"Soil mixed seepage cutoff walls are increasingly being used in levee and dam modification projects nationwide. An important aspect of their overall quality depends greatly on the language included in
Jan 1, 2016
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DFI 2008 Outstanding Project Award Winner Intricate Excavation for the New South Ferry Subway Station
By Alice Arana, David M. Cacoilo, Joel L. Volterra
"To make space for the new South Ferry Station in lower Manhattan, engineers and contractors carved out a new tunnel beneath three operating subway tunnels and tangentially to yet another tunnel. Crea
Jan 1, 2008
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Execution Example of the Expanded Dry Jet Mixing (EX-DJM) Method
By Kiyotaka Ohno, Nobushige Yasuoka, Yosuke Hioki
"The diameter of improved columns adopted by the original DJM Method had been 1000 mm, however, in order to comply with the social need for construction cost reduction, the Expanded Dry Jet Mixing (EX
Jan 1, 2015
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Recent Advances in Quiet & Vibration-less Steel Pile Installation
By R. K. Filip
"Steel bearing piles have long been used to carry high compressive, tensile and lateral loads. Such piles are most commonly tubular or ""H"" profile and are typically installed using percussive techni
Jan 1, 2005
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Effect of Installation Method on the Ratio of Tensile to Compressive Unit Shaft Resistance of Piles in Dense Sand
By A. C. Galvis-Castro, R. Salgado, M. Prezzi, E. Ganju, R. D. Tovar-Valencia
It is generally accepted that the unit shaft resistance of piles in sands is lower for tensile loading than for compressive loading. So far, very little attention has been paid to the influence of the
Jan 1, 2019
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Numerical and Theoretical Analysis of Consolidation of Soft Clay Installed With PVD at Nagapattinam - A Case Study
By KeerthiRaaj Subrmanian, Muthukkumaran Kasinathan
"A railway embankment is under construction between Nagapattinam to Thiruthuraipoondi covering 36.5 km. The sub-soil strata comprises of soft clay extending up to 10 m below existing ground level, whi
Jan 1, 2015
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The Stiffening Effect of a Caliche Layer on Pile Foundations
By Richard Stone, Rouzbeh Afsharhasani, Moses Karakouzian
"Caliche, a hardened sedimentary deposit of calcium carbonate that occurs worldwide, generally in arid or semiarid regions, is frequently encountered in Las Vegas, Nevada. The presence of a caliche la
Jan 1, 2015
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Practical Construction Considerations for Runway Extension and Taxiway Expansion over Soft/Organic Soil Using a Column Supported Load Transfer Platform
By Brian T. Nereson, Michael C. Penney
"This technical paper was prepared to describe the general process by which the authors designed a column-supported load transfer platform (LTP) for support of asphalt-paved runway and taxiway embankm
Jan 1, 2016
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Secant Pile Top-Down Construction for a Drainage Channel in Puerto Rico: An OPA Finalist
By Bill Shea, Gordon King
"For a drainage channel built in San Juan, Puerto Rico, a value engineering (VE) proposal incorporating a secant pile top-down approach saved time and facilitated construction work on the larger flood
Jan 1, 2012
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Drilling And Grouted Pipe Pile Foundation For Department Of Energy Spallation Neutron Source Target Building, Oak Ridge, Tennessee ? Introduction
By Ronald E. Walkington
The U.S. Department of Energy (DOE) is building the world's newest accelerator-based, pulsed-neutron system, called Spallation Neutron Source (SNS). The facility, located in Oak Ridge, Tennessee,
Jan 1, 2001
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Risk Management and Ground Improvement Technologies in the Case of Liquefaction
By Sebastian Fischer, Rolf Katzenbach, Steffen Leppla
"The risk management in the case of liquefaction is one of the most serious and also difficult issues in geotechnical engineering because failure caused by liquefaction is always a sudden failure with
Jan 1, 2015
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Prestressed Concrete Sheet Pile Retaining Wall to Support Railroad Embankment Widening Adjacent to a Wetland
By Abhijit R. Sheth, Craig M. Benedict, John Brun, Ara G. Mouradian
"Amtrak recently replaced the 1907-era bascule two-track bridge over the Niantic River between East Lyme and Waterford, Connecticut. The project included new approach embankments, with approximately 2
Jan 1, 2017
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Unconventional Solutions For Construction Of A Hybrid Cut-Off Wall At The Dead Sea
By Karsten Beekhaus, Sander W. Odijk, Rabea Bahlum, Mazin Adnan, Ayman Abdelh Al Nuaimat, Hassan Farhat
The Arab Potash Company, APC, is one of the 10 largest potash producers of the world. The solar ponds at the Dead Sea, used for the enrichment of the salt content in the brine, are of crucial importan
May 1, 2022
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Case History: Innovative Load Test Program Optimizes Pile Capacity in Challenging Ground Conditions
By Emad Farouz, Francis A. Abreu
"This paper presents a case history of a successful construction-phase pile load test program that optimized the pile design in challenging ground conditions at the Great Neck Wastewater Treatment Pla
Jan 1, 2017
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Rehabilitation of the Kölnbrein Dam / Austria
By Frank Haehnig, Kurt Kogler
"With a height of 200 m, a crown width of 626 m and a concrete volume of 1.6 million m³, the Kölnbrein Dam in the upper Malta valley in Carinthia / Austria is the largest concrete dam in Austria. Boas
Jan 1, 2016
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Recent Advantages of CDM-LODIC Method (Low Displacement and Control Method)
By Yuji Yamashita, Kazuyoshi Kamimura, Tsuyoshi Takahashi, Naoya Matayoshi
"The CDM-LODIC method (cement deep mixing - low displacement and control) method enables ground displacement to be reduced by removing an amount of soil equivalent to that of injected cement slurry an
Jan 1, 2015
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Combined Piled Raft Foundation (CPRF) response
By G. L. Sivakumar Babu, P. Chaithra
"Raft foundations which are used against differential settlements and for carrying heavy loads can still be subjected to excessive settlements even if it is safe against bearing capacity consideration
Jan 1, 2015
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Case History: Comparison of CSL Results to Physical Observations
By David S. Graham, Paul J. Axtell
Crosshole Sonic Logging (CSL) non-destructive integrity testing identified anomalous readings near the base of a 6.5-foot diameter drilled shaft rock socket. The anomaly was confirmed to be a defect b
Jan 1, 2019
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Charleroi Locks: Repair Methods to Restore Structural Integrity of Large-Diameter Drilled Shafts
By Alexandre Alex) J. Bredikhin
"DISCLAIMER: the statements presented herein are those of the author and do not necessarily represent the views of US DoD or its Components.ABSTRACTProgress on the $750M lock project on the Monongahel
Jan 1, 2017