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Construction of Deep Shafts in Soft Ground for the West Side CSO Tunnel Project, Portland, OR
By Vince Luongo
"INTRODUCTIONThe West Side Combined Sewer Overflow (CSO) Tunnel Project is located in Portland, Oregon and is part of the Willamette River CSO Control Project. The purpose of the West Side CSO Project
Jan 1, 2006
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Numerical Modeling of Foundation Deformation Due to Fault Rupture (718b3bb2-ba73-41ae-ad4b-2a32fb89742b)
By Orestis Zarzouras, Amalia Giannakou, Jacob Chacko
"When designing structures in seismically active areas, foundations of critical structures are typically located away from known faults. Indeed many seismic codes prohibit construction in the immediat
Jan 1, 2017
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Selection And Quality Control Of Deep Foundations At Ontario Hydro's Darlington Nuclear Generating Station - Synopsis
By F Debidin
The progressive rise of an H-pile during driving of an adjacent pile is described in this case history in which piles 15 to 18 m long were driven to end-bearing for the foundations for a 230 m long bu
Jan 1, 2010
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Effects of Stratigraphy on the Response of Energy Piles
By Arash Saeidi-Rashk-Olia, Dunja Peric
Energy piles are gaining increased popularity due to a growing demand for clean energy. To further advance the understanding of soil-structure interaction in energy piles, recently-derived analytical
Sep 8, 2021
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Numerical Modeling Of Foundation Deformation Due To Fault Rupture
By Amalia Giannakou
When designing structures in seismically active areas, foundations of critical structures are typically located away from known faults. Indeed many seismic codes prohibit construction in the immediate
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Construction Of A Spillwall In The Columbia River
By Francis B. Gularte
The Dalles Dam is located 192 miles upstream from the Columbia River?s mouth. As part of an effort to increase survival rates for young salmon migrating downstream to the Pacific Ocean, a river spillw
Jan 1, 2010
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Quality Control of Pile Installation Using Digital Pile Penetration and Rebound Monitoring System
By Hee-suk Yun, Dae-jin Hwang, Jeong-woo Seok, Myoung-mo Kim
"In this paper, the accuracy of the data measured by a newly developed displacement measuring system, DPRMs (Digital Pile Penetration and Rebound Monitoring system) and its applicability as a quality
Jan 1, 2005
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Ultimate Lateral Resistance of Piles in Cohesive Soil
By Lassaad Hazzar
The ultimate lateral resistance of piles in cohesive soil is studied using the well-known finite difference code, FLAC2D. The Modified Cam Clay (MCC) constitutive relation is adopted in the analyses t
Aug 1, 2013
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Predicting Geotechnical Drilled Shaft Capacity: Are We Close?
By James G. Ulinski, Sebastian Lobo-Guerrero, Vishal B. Patel
"Recently modified design equations used in the transportation industry to calculate side friction and end bearing capacity for drilled shafts are now providing more realistic estimations of capacitie
Jan 1, 2017
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Study on a Method for Determining the Proper Cover Soil Depth for Cement Ground Improvement in Cold Region
By Masahiko Yamaki, Takahiro Yamanashi, Hijiri Hashimoto, Hirochika Hayashi
"In this study, the authors used heat conduction analysis with the aim of quantitatively evaluating whether treating improved ground with cover soil is an effective measure for maintaining strength de
Jan 1, 2015
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Session I - How Geology Has Driven Foundation Practice Worldwide - Design And Construction Constraints Imposed By Unique Geologic Conditions In New York City ? Synopsis
By George J. Tamaro
The design and construction of foundations in the New York City area are usually dictated by the widely varying geologic conditions encountered in the five boroughs, particularly along the spine of Ma
Jan 1, 2000
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Case Histories of Arch Action Low Improvement Ratio Cement Column Method (ALiCC Method)
By Jun Ohbayashi, Yoshiyuki Yagiura, Hiroaki Miyatake, Masuo Kondoh, Naotoshi Shinkawa
"Reducing the improvement ratio of ground improvement is an extremely efficient way to reduce the construction cost and construction period of mitigation measures for soft ground. The Arch Action Low
Jan 1, 2015
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Metro Sao Paulo, Line 5, Five Shaft Diaphragm Wall for Brooklin Station
By Dario Libano, Franz-Werner Gerressen
"Diaphragm walls are known as underground structural elements commonly used for retention systems and permanent foundation walls or elements. Of course they can also be used as deep groundwater barrie
Jan 1, 2017
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Very Deep Foundations in Rock: The New Challenge in the Foundation Industry.
By Paolo Cavalcoli, Federico Pagliacci
"As opposed to the static functional recovery of existing structures, the construction of infrastructures in an urban environment, when combined with complex geological situations, often involves buil
Jan 1, 2015
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Correlation between Undrained Shear Strength in Dry Deep Mixing Columns and Unimproved Soft Soil
By Stefan Larsson, Jan Ekström, Jennie Kock-Larsen, Håkan Garin
"This paper describes the testing procedure (or protocols) for quality control of dry deep mixing columns in a major ground improvement project carried out in Sweden. Quality control was mainly based
Jan 1, 2015
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Making Foundation Design Courses More Engaging and Effective for Students
By Evangelia Ieronymaki
Civil engineering education relies on traditional methods of teaching, comprising mostly of deductive instruction by presenting the theory, followed by applications. This paper presents an alternative
Jan 1, 2019
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A Review Low Strain Integrity Testing Practices In India And Complexities Involved In Evaluation Of Test Results
By RavikiranVaidya, Vishal Dhamecha
Low Strain Pile Integrity Testing has been used in India since 1990’s and several have tried to demonstrate the utility and benefits of this method. However, use of this technology was limited till 19
Sep 1, 2022
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Full-Scale O-Cell Load Test for a Rotator Drilled Rock Socket at the Main Span of the New Benicia-Martinez Bridge
By Ronnie X. Gu, Xing Zheng, Gem-Yeu Ma
Due to implementation of the rotator construction method from which a smooth shaft was anticipated, a full-scale pile load test (Osterberg Method) was performed at Pier 14 Pile 9 of the main span of t
Jan 1, 2005
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Deep Drilled Shafts For The Pearl Harbor Memorial Bridge New Haven, Connecticut
By Theodore von Rosenvinge
Large diameter (2.4 meter) drilled shaft foundations were installed to depths of over 62 meters through soil into Arkose bedrock for Connecticut?s Pearl Harbor Memorial Bridge (I-95 over New Haven Har
Jan 1, 2011
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Determining Length Of Pile Foundation By Analyzing Response To Lateral Hammer Impact
By Vivek Samu, Murthy Guddati
A new method called Effective Dispersion Analysis of Reflections (EDAR) was recently developed to effectively analyze the dispersive waves generated from lateral impact to piles. This paper presents t