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8000 Series Piling Rig
By Roger A. Bullivant
The introduction of this size and type of piling rig is intended to address a multipurpose foundation activity. The 8000 denotes the size of equipment that is attached to the mast, namely 8000 Kg. Lar
Jan 1, 1995
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Interface Testing For The Design Of Micropiles In Expansive Soils
By Robert W. Schaut
The use of micropiles is increasing for new construction and to retrofit distressed foundations in expansive soils. Typical micropiles in expansive soils have a lower section where the micropile grou
Jan 1, 2011
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Basement Excavation: Cost Effective Retention System for a Multi Storeyed Structure
By Madan Kumar Annam, Hari Krishna Y
"Basement construction is one of the challenging geotechnical concerns in the urban environment. Several types of retention systems are practiced to support the earth which is suitable for restricted
Jan 1, 2015
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Positive Cut-Off Wall in Indian Dam – A New Technique for Difficult Geology
By Steni Stefani, Sanjay Dave
"This paper describes an innovative method, used for the first time in India, for the construction of a 1.0metre-thick positive plastic concrete cut-off wall (CoW) at the upstream toe of the dam at th
Jan 1, 2017
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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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Diaphragm Walls, Recent Developments to Improve Reliability
By A. Frits van Tol, Rodriaan Spruit, Jan H. van Dalen
"Abstract In recent years, there have been major problems with deep excavations in urban areas supported by diaphragm walls. In some cases, like the fatal Nicoll Highway collapse in Singapore the qual
Jan 1, 2014
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Soil-Cement Walls For Excavation Support
By David S. Yang
The Cement Deep Soil Mixing (CDSM) method introduces and mixes cementitious materials with in situ soils using hollow-stem rotating shafts equipped with a cutting tool at the tip and mixing paddles ab
Jan 1, 2003
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Emplacement Techniques: Impervious And Pervious Wall Construction ? Summary
By Fred C. Schmednecht
For years, the strategy was to contain waste and in many applications, is still the recommended method. Recently, it has become acceptable to create filters below ground for the in-situ treatment of w
Jan 1, 1999
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Pile-Supported Raft Foundation System
By Emre Biringen
Over the past decades, there has been an increasing recognition of the strategic use of pile-supported rafts in design of heavily-loaded structures to reduce total and differential settlements. Howeve
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A New Low-Cost Bi-Directional Load Test Technique for Drilled Shafts
By Sherif Elfass, Gary Norris
Bi-directional load testing of drilled shafts has been widely adopted as a means to evaluate their load carrying capacity. However, in order to reach failure, most of these tests are carried out on s
Sep 8, 2021
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Construction of a Deep Slurry Cutoff Wall for the Sacramento River East Levee Program
By Louay Owaidat, Daniel Jabbour, Allan Frappier, Jose Gomez, Mark Stanley, Tino Maestas
The U.S. Army Corps of Engineers (USACE) is implementing a levee strengthening program along the Sacramento River East Levee (SREL) designed to correct 11 miles of deficient levees as identified by re
Sep 8, 2021
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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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Open Well Caissons Of A 1917 Railroad Bridge: How 19th Century Construction Can Influence 21st Century Construction (f1b0a5f2-b1b8-41d4-bbfb-fab6f395e7a0)
By Alan D. Fisher
Amtrak made a decision to replace an aging bascule bridge with a vertical lift bridge for their crossing of the Thames River in New London, Connecticut. The new lift bridge occupies the same alignmen
Jan 1, 2008
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Evaluation of Crane Pad Performance on Partially Improved Ground Adjacent to a Seawall
By Paul J. Sabatini, Yazen A. Khasawneh
"A Demag CC1800 crawler crane was partially erected on crane mats adjacent to a seawall when settlements near a corner of the crane mat area were observed to be slightly larger than previously assesse
Jan 1, 2017
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Deep Mixing Method: A Global Perspective
By Donald A. Bruce
Various types of contemporary Deep Mixing Method (DMM) techniques have been used in the United States since 1986. Such techniques owe their origins to Japanese and Scandinavian developments, which beg
Jan 1, 1998
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Soil Mixing for the LPV-111 Levee Improvements, New Orleans: A Case History
By Filippo Maria Leoni, George Filz, Wesley Schmutzler, Matteo Bertoni
"The US Army Corps of Engineers selected the Deep Mixing Method (DMM) for the required stabilization at the LPV 111 Project (New Orleans, USA). DMM was used for ground improvement/foundation strengthe
Jan 1, 2015
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Case History – San Francisco 49ers NFL Stadium Pile Foundations Santa Clara, California
By Scott A. Walker, Gabriel J. Alcantar, Brian Zuckerman, Ramin Golesorkhi
"The stadium development consists of construction of a 68,500-seat, open-air NFL football stadium for the San Francisco 49ers. The main structure will consist of a 7-story above grade steel structure
Jan 1, 2015
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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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Installation And Performance Characteristics Of High Capacity Helical Piles In Cohesionless Soils
By Mohammed Sakr
The use of helical piles as a deep foundation option has considerably increased in the recent years to support a variety of loads, from small loads for several applications such as residential housing
Jan 1, 2011
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Automation Of Pile Foundation Design Post-Processing To Produce Pile Plans
By Rajasekar Subbian, Jessica Oudhof
In the Netherlands pile foundation design is done using CPTs in accordance with EC7 national annexure. The capacity per tip level is calculated for every CPT followed by zonation to find the tip level
May 1, 2022