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Preparation Of Ti-Al-V Alloys By Aluminothermic Reaction
By Huimin Lu, Zhijiang Gao
Reduction reaction can happen among Al, V2O5 and TiO2 powders. Al can deoxidize metal V and Ti from the metal oxides. The electric igniter can be used to trigger the reduction. The reaction between Al
Jan 1, 2016
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Fluorination Behavior Of Uranium And Zirconium Mixture For Fuel Debris Treatment
By Nobuaki Sato, Tetsuo Fukasawa, Akira Kirishima
To apply the fluoride volatility process for the treatment of fuel debris formed in the damaged nuclear reactors, study on the fluorination behavior of main constituents, such as fuel and cladding is
Jan 1, 2016
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"Key Technologies of Large RectangularPipe Jacking Machine"
By Lianhui Jia, Yali Han
"The key technologies of a large rectangular pipe jacking machine with dimensions of 10.12m × 7.27m (width x height) include selection of rectangular cross-section cutting modes, analysis on the stren
Jan 1, 2016
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A Case Study of Multichannel Analysis of Surface Waves (MASW) as a Tool to Characterize Unknown Foundations
By Joseph T. Coe, Siavash Mahvelati, Philip Asabere
Characterization of existing foundations remains an important issue as foundation reuse and rehabilitation continue to garner increased attention. In the case of unknown foundations, geophysical and n
Jan 1, 2016
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A Case Study, Design Change from Spread Footing to Drilled Shafts
By Drew M. Kurtz, Jeff L. Rai, Sara F. Frailey, Mohammad Ayub Iqbal
"This paper presents the foundation changes made for a five-span bridge over the Lehigh River constructed as a design-build project. During excavation within the cofferdam at Pier 2 for the constructi
Jan 1, 2016
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“Trevi-Calatore”: Innovation in Cut and Cover and Tunneling for the Installation of Plunge Columns Aimed to Excavate Underground Structures through the Top-Down Method
By Alessandro Bertero, Manuel Toniolo, Vincenzo Tirozzi
"The installation of foundation elements (large-diameter Bored Piles or Diaphragm Walls) for the execution of underground works to be performed through the ""Top Down"" Technique (Stations, Car Parks,
Jan 1, 2016
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Accumulated Rotations of Bucket Foundations under Long-Term Cyclic Loads in Sandy Ground
By Sung-Ryul Kim, Woong-Jong Park, Juhyung Lee, Si-Hoon Lee
"A bucket foundation has been considered to be a potential foundation technology for offshore wind turbines. In this study, a series of 1-g model tests were performed to analyze the accumulated rotati
Jan 1, 2016
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ACI Guideline on Design and Construction of Precast Concrete Tunnel Segmental Lining
By Verya Nasri, Mehdi Bakhshi
"Fiber reinforcement has emerged as an alternative to steel bars in precast concrete segments due to advantages such as saving cost and reducing production time while developing a more robust product
Jan 1, 2016
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A Comparative Study on Behavior of Bucket Pile in Sand According to Installation Methods
By Jinung Do, Sung-Ryul Kim, Juhyung Lee
"Model tests have been performed to investigate the vertical, horizontal and cone tip resistances of bucket pile embedded in sand by different installation methods; suction force by pump and jacking f
Jan 1, 2016
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A Decade of Experience with Drilled Foundations in Honolulu
By James W. Niehoff
"Prior to 2003, most high rise structures in Honolulu, Hawaii were supported on driven pile foundations, extending through shallow coral strata and bearing in competent formations at depths of 100 ft
Jan 1, 2016
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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
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Recursive Refinement of Geotechnical Design for Copenhagen Cityring Metro
By Georgios Kafantaris, Carsten Bonde, Nataša Katic
Within the investigation works for the Copenhagen Cityring metro, Geo/CMT have carried out 90 geotechnical boreholes. Together with the previously available investigation, this resulted in more than
Jan 1, 2016
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Cockatoo Island Seawall Seepage Barrier – Permeation Grouting, Jet Grouting and a Soil/Cement/Bentonite Mixed Slurry Capping Trench
By Chris L. Powell, Russell J. Denny.
"The remotely located Cockatoo Island iron ore mine off the Kimberly coast in Western Australia, which has been in operation since 1951, was recently expanded up to 50m below sea-level using staged co
Jan 1, 2016
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Comparison of Non-Destructive Integrity Tests on Experimental Drilled Shafts
By Armin W. Stuedlein, Jim Zammataro, Bernie Hertlein, Daniel Belardo, Qiang Li, Antonio Marinucci
"An experimental program focusing on four drilled shafts was conducted to determine the effect of high strength steel reinforcement bars on lateral resistance, steel casing on axial and lateral resist
Jan 1, 2016
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Comparison of the Pre-Construction and Production QC Test Results for the Sela-22 Elliptical Jet Grouting Project (New Orleans, LA)
By Filippo Maria Leoni, Alessandro Bertero, Gianluca Pianezze
"As part of the Southeast Louisiana (SELA) drainage program, designed by the U.S. Army Corps of Engineers (USACE) to reduce flood damages in the City of New Orleans and surrounding parishes through th
Jan 1, 2016
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Construction of a Deep Soil Mixed Cut-Off and Retaining Wall in Richmond BC
By Keith MacKay, John Carter, David Siddle, Fernando Faminia
"The River Green Residential development, is located in the municipality of Richmond, BC adjacent to the Fraser River. Ground conditions at the site consisted of medium to fine grained alluvial sands
Jan 1, 2016
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Cut-Offs in Temporary Coffer Dams As Seepage Barriers for Concrete Dam Construction –A Case Study of Teesta –V H E Project in Sikkim (India)
By I. D. Dayal, Anil Kumar Jain
"Cutoff walls are frequently used to slow down or prevent seepage of water through and/or around dams. Cutoff wall is a type of seepage barrier structure designed to reduce the flow of water underneat
Jan 1, 2016
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Deep Foundation Support for the Iconic New York Wheel
By Satyajit Vaidya, Rudolph Frizzi, Quadri Owokoniran
"This paper presents a case history in the design and construction of high-capacity drilled shafts for the iconic New York Wheel presently being constructed along the St. George area waterfront in nor
Jan 1, 2016
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Design, Construction Challenges and Quality Control of a Deep Soil Mixing System for Waterfront Slope Stabilization
By Yan Lap J. Kan
"A waterfront stabilization system consisting of Deep Soil Mixing (DSM) columns, vinyl sheet pile fascia, and concrete flood walls supported on shallow footings was designed and constructed for a high
Jan 1, 2016
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Design, Installation, and Testing of Hollow Bar Tiebacks Used as Excavation Support
By Marco D. Boscardin, Kenneth A. Pidgeon, Adriane G. Boscardin
"Hollow bar tiebacks can offer an economical alternative to conventional solid bar and strand tieback systems for use in temporary excavation support construction. However, the limitations associated
Jan 1, 2016