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Innovative Design for Retaining Structures using Combined Products
By Clifford Taylor, Alexander Zöhrer
"The execution of deep basement excavations under narrow conditions is one of the most challenging tasks in geotechnics. The vicinity of neighbouring buildings, roads, and underground structures such
Jan 1, 1900
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Is the use of Residual Strength Justified in Excavation Support Design?
By George Aristorenas, Carlos Englert, Jesús Gómez
"Laboratory test data of strain softening soils exhibit the development of a maximum (peak) shear strength followed by a decrease in the strength with continued straining. The rate of strength loss de
Jan 1, 2015
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Drilled Pier Foundation with Ground Improvement Using Cement Deep Soil Mixing for Highway Bridges
By Shahriar Vahdani, Andy Herlache, Andrew Bro, Wei-Yu Chen
"The Presidio Parkway Project will reconstruct approximately 1.6 miles of highway, including seven bridges, three cut-and-cover tunnels, and an undercrossing connecting the Golden Gate Bridge to the C
Jan 1, 2014
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Drilled Shaft Load Testing Program for Design of Foundations for an Automated People Mover
By Samer Rabab’ah, John C. Niedzielski, Jason Valeria
The PHX Sky Train is an automated people mover system located at Phoenix Sky Harbor International Airport. Phase II of the PHX Sky Train includes the design of over 150 drilled shafts for support of f
Jan 1, 2019
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Foundation Rehabilitation of the Henry Hudson Bridge
By Dharmil S. Patel, Zoyav S. Benyaminov, Cassandra A. Wetzel
Rehabilitation of the Henry Hudson Bridge is nearing completion, connecting Spuyten Duyvil in the Bronx to Inwood Hill in Manhattan, New York. Constructed in 1936, the Henry Hudson Bridge spans 840 fe
Sep 8, 2021
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Hudson’s Revitalization: The Use of Robotics in the Work Place
By Dave P. DeClerck
Hardman Construction was faced with the challenge of completing a large earth retention project on a constricted downtown Detroit site, while maintaining a safe and productive worksite. To do so, new
Jan 1, 2019
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Seepage Barrier at Bolivar Dam
By Mohamed Elgouhary, Carol L. Tasillo, Daniel Koziol
"The Bolivar Dam, located near the Village of Bolivar, Ohio is one of a system of dams designed to provide flood control and water conservation in the Muskingum Watershed. The Bolivar Dam is a “dry da
Jan 1, 2016
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Small-Strain Behaviour of Artificially Cemented Sand in Deep Mixing Application
By Stephen Darmawan, Mahdi M. Disfani, Arul Arulrajah, Alireza Mohammadinia
Deep mixing using cementitious compounds is an in-situ method of ground improvement for improving the strength, compressibility of loose sand. Artificial light cementation can increase the stiffness o
Jan 1, 1900
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Signal Anomalies in Crosshole Sonic Logging Testing with a Case Study in Metro Manila
By Benjamin B. Buensuceso III
Crosshole sonic logging (CSL) is a popular quality assurance and quality control method used to examine the concrete quality of cast-in place deep foundations, though the evaluation of the results is
Sep 8, 2021
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Cyclic Degradation on Wind Turbine Foundations in Cohesive Soils
By Yazen Khasawneh, Osvaldo P. M. Vitali, Mohammad Nassim
Wind turbines are subjected to complex form of cyclic loadings with variable amplitudes and frequencies. The cyclic loading and the accumulation of plastic strains with the number of cycles will resu
Sep 8, 2021
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Definition of Drilling-Activity Patterns Based on Production Data Profiles
By Diego Bellato
Production data recorded by special foundation rigs during construction activities at the site are commonly used for quality assurance / quality control procedures and, in particular, to prove that th
Jan 1, 2019
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Design, Construction, and Performance of the Temporary Earth Retention System at No. 9 Walton
By Joel B. Dellaria, Justin R. Lewis
"No. 9 Walton is a new high-rise condominium building located in the Gold Coast area of Chicago. The adjacent building, Walton on the Park, featured 4 levels of below grade parking and utilized a seca
Jan 1, 2017
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Emergency Jacking Tunnel in Compressible Soil
By Tai Luu, Michael McNicholas, James C. McIntyre
The Jersey City Municipal Utilities Authority (JCMUA), discovered that an existing sewer pipe had collapsed under the New Jersey Transit Conrail Railroad between Pine Street and Ash Street in Jersey C
Jan 1, 2019
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Delving Deeper Into Foundation Slurry Rheology
By Greg Plutko
Laboratory testing has shown that the Marsh Funnel test can be significantly impacted by long-chain polymer entanglement. In general, shorter hydration time leads to more chain entanglement which in-t
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Tomographic Dst Algorithm For Stone Column Site Imaging And Characterization
By Gerald Verbeek, Erick Baziw
Stone columns are used in geotechnical site remediation to increase load-bearing capacity and reduce settlement of foundations. Stone columns also improve slope stability and increase the shear streng
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Solving Variable Bedrock Challenges With Ductile Iron Piles
By Kevin R. Johnson, Matt Caskey, Bryan Plaskett
Working in urban environments presents unique logistical challenges beyond those typically associated with traditional geotechnical design and construction. These challenges can include constrained si
Oct 1, 2022
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Refurbishment Of A Piled Commercial Building With A Single Level Basement For A 70% Increase In Floor Area
By Henry H. Tayler, Eric Sturel
1 Triton Square was originally a six-storey building with a one-level basement located within a commercial development near Euston, London. It was designed and constructed in the 1990s and the foundat
May 1, 2022
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Case Studies Demonstrating The Effectiveness Of Vibroreplacement Stone Columns In Variable Soil Types
By Lee R. Buhagiar
As a result of the increased seismic risk and the highly variable geology of Christchurch, finding costeffective foundation solutions has been a challenge for the Canterbury rebuild. The soil profile
Nov 1, 2022
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Characteristics And Application Potentials Of Ground Improvement With Semi-Rigid Inclusions Based On An Innovative Composite Of Polymers And Gravel
By Pratter P., Boley C.
Polymers are well established in geotechnical applications, for example in ground improvement, where the polymers act as a binder that, when cured, holds the grains together by adhesive and cohesive f
May 1, 2022
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A Study Of Aspects Of The Historical Development Of Geotechnical Engineering
By Thomas J. Kennedy, Michael D. Bennett
The study of geotechnical history is well-established. Most geotechnical practitioners, teachers, and graduate students have some grasp of the origins of the field. However, this understanding often c
Oct 1, 2022