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Ground Freezing In Urban Areas And Under Special Conditions
By Frank Haehnig
Ground freezing is a technique which is used more and more in tunnelling under complex ground conditions. This paper will present three case studies which highlight different aspects of the ground
Jan 1, 2008
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Access And Riser Shafts-Detroit River Outfall #2 ? Introduction
By Edmund J. Cardoza
The Detroit Water and Sewerage Department (DWSD) provides water and wastewater services to the Greater Detroit Metropolitan Area. Sewerage is treated at the DWSD Wastewater Treatment Plant (WWTP) loca
Jan 1, 2001
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A Three-Stage Assessment Process To Predict Risk Levels Due To Subsurface Construction
By Julie Clarke
In 1939 Dr. Ralph Peck criticized the Civil Engineering community for taking a bifurcated approach to the prediction of building damage due to subsurface geo-technical works. Specifically, he observe
Jan 1, 2009
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Steel Innovation: Changing the Economics of Below Grade Foundations
By Dean Abbondanza
"Below grade foundation design has construction issues that above grade foundations do not. These cost factors are dependent on soil conditions and vary by region, but for the most part, the process r
Jan 1, 2005
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Instrumented Static Load Testing-Auger Cast-In-Place Piles - Introduction And Purpose
By Michael T. Lambert
The purpose of the this paper is to demonstrate the benefits of using additional instrumentation during load tests of auger-cast-in-place piles. Traditionally, only load and butt displacement are dete
Jan 1, 2000
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Underwater Concrete In Drilled Shafts: The Key Issues And Case Histories
By Sam X. Yao
In construction of drilled shafts under water, placing concrete in the shafts is technically demanding and involves complex construction logistics. Past construction experience has demonstrated that h
Jan 1, 2013
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Application of Non-Destructive Testing to Drilled Shafts
Technically speaking, the concept of NDT sounds like the "magic bullet" when faced with a questionable drilled shaft. All the Contractor or Engineer needs to do is select an NDT method, apply it, unde
Jan 1, 2004
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Improvement Of Bearing Capacity Of Bored Piles By Grouting Method
By Andrzej Tejchman
A method of improvement of a subsoil under bored pile base by injection is presented. The method employs a special chamber attached to the reinforcement at the bottom of the drilled borehole. The cham
Jan 1, 2002
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Hybrid Foundation Solution for Debris Fill, Compressible Soil
By Michael J. Weaver
Urban redevelopment projects are occurring more frequently than ever before as urban greenfield sites become limited and city planners and devel- opers attempt to revitalize existing underdeveloped n
Apr 1, 2022
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Augered Cast-In-Place Pile Load Tests On The Cincinnati, Ohio/Northern Kentucky Riverfront
By Theodore W. Vogelpohl
Augered cast-in-place piles have proven to be effective, adaptable and economical for projects throughout the Ohio River Valley. Specifically, they have been used extensively for high-rise structures,
Jan 1, 2005
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Performance Specifications For Drilled Piles
By Dan Brown
Deep foundation contracting for transportation projects in the United States has typically followed the design-bid-build model in which contractors bid on a specific work product according to relative
Jan 1, 2006
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Deep Foundations - Experience & Problems Encountered-Case Study For Second Thane Creek Bridge At Vashi, New Bombay. - Synopsis
By S. R. Nandargikar
Construction of open foundations for the Second Thane Creek Bridge was indeed a challenging task. Some major problems were encountered during the construction of foundations for pier No. P22 (S/N), P.
Jan 1, 1996
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Building a High-Rise Adjacent to Transit Tunnels in San Francisco (6bdbc52a-94a2-4c48-ba21-cc4450dc649d)
By Lori A. Simpson, Linda H. Liang
A high-rise building, consisting of two tower structures occupying the entire site, is in construction in San Francisco. The North Tower will consist of 12 and 35 stories above a one-level basement. T
Jan 1, 2017
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DEEP FOUNDATIONS INSTITUTE 45th ANNUAL CONFERENCE ON DEEP FOUNDATIONS
By Sebastian Lobo-Guerrero
Welcome to DFI45! our first on-line annual meeting. We cannot deny the severe impacts that the COVID19 pandemic is having in our industry and our lives. We extend our support to all of our members tha
Oct 27, 2020
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Vsm And Ofd® Technology: Mechanized Solutions For Deep On- And Offshore Foundations
By Nils Schneider, Marc Peters, Stefan Frey, Andrea Fluck
Due to the worldwide population growth, the development of sustainable infrastructure and the exploration of renewable energies plays a key role to handle the rising megacity trends and to limit carbo
Nov 1, 2022
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Earth Pressure Acting On Single Driven Piles In Sand
By Adel Hanna
Earth pressure acting on piles driven in sand is playing a major role in estimating pile capacity. In literature, researchers entertained simplifying assumptions in estimating the earth pressure actin
Jan 1, 2003
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Producing Sealing Walls And Sealing Slabs By Applying The Soilcrete Process
By E. W. Raabe
The paper discusses the increasing role of specialist grouting techniques to form water seals or cut-offs for deep basement construction. Raabe and Toth discuss the various grouting methods available
Jan 1, 1989
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Time-Dependent Increase Of The Bearing Capacity Of Displacement Piles
By Florian König
It is well known that the bearing capacity and stiffness of displacement piles may increase significantly with time, a phenomenon usually referred to as set-up. In cohesive soils the set-up is commonl
Jan 1, 2006
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A Case Study In Hand-Dug Caissons ? Synopsis
Caissons hand dug to a depth of about 100 feet were used to underpin three important structures at an industrial site in the State of Utah. The caisson shafts extended through 30 to 40 feet of coarse,
Jan 1, 2010
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Strength and Deformations of Piles Supporting Transient Pipe Anchors in Heavy Industrial Pipelines
By Konstantin G. Ashkinadze
The paper considers performance of piles supporting transient pipe anchors in heavy industrial pipelines. Events such as pump trips or opening and closing of large valves produce short-term dynamic pu
Jan 1, 2016