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3,137 full-text articles. Page 88 of 89.

Supplement No. 2 To The North American Specification For The Design Of Cold-Formed Steel Structural Members, 2007 Edition, American Iron and Steel Institute 2010 Missouri University of Science and Technology

Supplement No. 2 To The North American Specification For The Design Of Cold-Formed Steel Structural Members, 2007 Edition, American Iron And Steel Institute

AISI-Specifications for the Design of Cold-Formed Steel Structural Members

No abstract provided.


Intricacies Of Professional Certifications For Quality Management (Qm), Edmund R. Martelli 2010 Western Kentucky University

Intricacies Of Professional Certifications For Quality Management (Qm), Edmund R. Martelli

Masters Theses & Specialist Projects

The modern manufacturing marketplace is extremely complex and constantly changing. Career professionals often seek job placement, career advancement, and continuing education through professional certifications. Professional certifications in the United States (U.S.) have been evolving since 1911. In the 1950s, engineering groups established professional certifications and licenses. In the 1980s, administration of accreditation of certification programs proliferated, and by the 1990s, many government and professional organizations sought to standardize procedures for the industry. Currently, professional certifications are available for virtually every profession and issued by multitudes of organizations.

Quality management (QM) encompasses an extensive combination ofprofessional abilities. Providers of professional ...


Behavior Of Precast Bridge Deck Joints With Small Bend Diameter U-Bars, Cheryl Elizabeth Chapman 2010 University of Tennessee - Knoxville

Behavior Of Precast Bridge Deck Joints With Small Bend Diameter U-Bars, Cheryl Elizabeth Chapman

Masters Theses

The Interstate Highway System plays a vital role in our economic development by providing a continuous corridor for transporting goods and services. Currently, there is a need for repair and expansion of the existing highways, which include all bridges along its path. Because of the high demand for the highway system, repair and expansion must occur rapidly and efficiently. In recent years, precast bridge deck systems have become an efficient way to reduce construction time during repair.

This thesis presents the experimental research of the behavior of the U-Bar joint detail used in precast bridge deck systems. This detail consists ...


Increasing The Structural Engineer’S Influence Over Sustainability By Using Integrated Design Teams, Mary Elizabeth French 2010 The University of Tennessee, Knoxville

Increasing The Structural Engineer’S Influence Over Sustainability By Using Integrated Design Teams, Mary Elizabeth French

Masters Theses

Sustainability is quickly becoming a “buzz word” in today’s environmentally conscious world from political leaders to building professionals to design experts to consumers as they rethink their impact on current healthy, efficient indoor/outdoor environments as well as long term benefits to future generations.

This paper seeks to investigate ways to increase the structural engineer’s influence over the sustainability of the building industry by using integrated design teams. It explores current practices within the building industry, in particular the housing industry and the ways in which the integrated design team differs from most current practices. It strives to ...


Modelling And Verification Of Response Of Rc Slabs Strengthened In Flexure With Mechanically Fastened Frp Laminates, Annalisa Napoli, Fabio Matta, Enzo Martinelli, Antonio Nanni, Roberto Realfonzo 2010 University of South Carolina - Columbia

Modelling And Verification Of Response Of Rc Slabs Strengthened In Flexure With Mechanically Fastened Frp Laminates, Annalisa Napoli, Fabio Matta, Enzo Martinelli, Antonio Nanni, Roberto Realfonzo

Faculty Publications

Mechanically fastened fibre-reinforced polymer laminate systems are emerging as a promising means for the repair and strengthening of reinforced concrete members. This technology entails the use of pultruded carbon- and glass- vinyl ester fibre-reinforced polymer laminates with enhanced longitudinal bearing strength that are connected to the concrete substrate by means of steel anchors. Attractive applications are those for emergency repairs where constructability and speed of installation are critical requirements. In this paper, an experimental investigation is first presented that included laboratory testing of scaled reinforced concrete slabs strengthened with four different combinations of laminate lengths and fastener layouts to study ...


Failure Literacy In Structural Engineering, Norbert J. Delatte 2010 Cleveland State University

Failure Literacy In Structural Engineering, Norbert J. Delatte

Civil and Environmental Engineering Faculty Publications

The history of the development of practice in many engineering disciplines is, in large part, the story of failures, both imminent and actual, and of the changes to designs, standards and procedures made as the result of timely interventions or forensic analyses. All engineers, and more particularly structural engineers, should be failure literate. Failure literacy means knowing about the critical historical failure cases that have shaped the profession: not merely the surface technical details, but the environment, the communications difficulties and the procedural issues. In the US, an intensive effort has been under way for nearly a decade to promote ...


01june2010_Building Collapse_Begunbari, Md. Nurul Alam 2010 Asian Disaster Preparedness Center

01june2010_Building Collapse_Begunbari, Md. Nurul Alam

Md. Nurul Alam

No abstract provided.


Simplified Procedures For Seismic Analysis And Design Of Piers And Wharves In Marine Oil And Lng Terminals, Rakesh K. Goel 2010 California Polytechnic State University - San Luis Obispo

Simplified Procedures For Seismic Analysis And Design Of Piers And Wharves In Marine Oil And Lng Terminals, Rakesh K. Goel

Civil and Environmental Engineering

No abstract provided.


Scale Model Shake Table Testing Of Underground Structures In Soft Clay, Victor A. Crosariol 2010 California Polytechnic State University - San Luis Obispo

Scale Model Shake Table Testing Of Underground Structures In Soft Clay, Victor A. Crosariol

Master's Theses and Project Reports

Underground structures perform an important role in transportation systems in many seismically active regions around the world, but empirical data regarding the seismic behavior of these structures is limited. This research works towards filling that empirical gap through the use of scale model shake table testing. Underground seismic soil-structure interaction (USSSI) effects were investigated for a stiff rectangular tunnel cross-section embedded within soft clay. San Francisco Young Bay Mud was used as a prototype soil for developing a scale model soil mixture consisting of kaolinite, bentonite, class C fly ash, and water. A single cell Bay Area Rapid Transit (BART ...


Report On Laboratory Testing Of Anchor Bolts Connecting Cold-Formed Steel Track To Concrete With Minimum Edge Distances, American Iron and Steel Institute 2010 Missouri University of Science and Technology

Report On Laboratory Testing Of Anchor Bolts Connecting Cold-Formed Steel Track To Concrete With Minimum Edge Distances, American Iron And Steel Institute

AISI-Specifications for the Design of Cold-Formed Steel Structural Members

No abstract provided.


Nonlinear Finite Elements Modeling Of Hybrid Reinforced Concrete Beams, Akram Shaker Mahmood 2010 University of Anbar, Iraq

Nonlinear Finite Elements Modeling Of Hybrid Reinforced Concrete Beams, Akram Shaker Mahmood

Akram Shaker Mahmood

This paper presents results from a nonlinear finite element analysis of a hybrid reinforced concrete rectangular section beams. The concept of hybrid R.C. concrete structures was applied in many designers for using in constructions of bridge superstructure. Although using the steel reinforcements are often modeled as a linear-elastic material until failure, the linear finite element analysis could not predict the behavior of the R.C. concrete beams model up to its failure. The materials, loadings, section properties with boundary conditions are taken from reference [Ref.3]. Results from material tests and loading tests of beams model indicated that the ...


Minimum Spiral Reinforcement Requirements And Lateral Displacement Limits For Prestressed Concrete Piles In High Seismic Regions, Ann-Marie Fanous, Sri Sritharan, Muhanned Suleiman, Jin-Wei Huang, Arul K. Arulmoli 2010 Iowa State University

Minimum Spiral Reinforcement Requirements And Lateral Displacement Limits For Prestressed Concrete Piles In High Seismic Regions, Ann-Marie Fanous, Sri Sritharan, Muhanned Suleiman, Jin-Wei Huang, Arul K. Arulmoli

Reports and White Papers

Several code-based equations exist today for design of the minimum transverse reinforcement required in the potential plastic hinge region of prestressed concrete piles. However, the reinforcement requirements of these equations differ drastically in some cases by as much as a factor of three. Furthermore, there is no expectation for the ductility capacity of prestressed pile sections in seismic regions, nor do the code-based equations allow the designer to account for a desired ductility when determining the minimum confinement reinforcement in prestressed concrete piles. For this reason, a rational study presented in this report was undertaken to develop an equation that ...


Achieving The Vision Through High Ethical Standards, Sarah E. Bertke 2010 Western Kentucky University

Achieving The Vision Through High Ethical Standards, Sarah E. Bertke

Ohio Valley Regional Student Conference

No abstract provided.


Input-Output Analysis Of Irish Construction Sector Greenhouse Gas Emissions, Adolf Acquaye, Aidan Duffy 2010 Technological University Dublin

Input-Output Analysis Of Irish Construction Sector Greenhouse Gas Emissions, Adolf Acquaye, Aidan Duffy

Articles

Ireland is committed to limiting its greenhouse gas (GHG) emissions to 113% of 1990 levels over the period 2008-12 and to 84% of 2005 levels by 2020 under the Kyoto Agreement and the EU’s ’20 20’ by 2020 respectively. National policies have targeted many industry sectors but have failed to directly tackle GHG emissions associated with construction activity. This paper estimates energy and GHG emissions intensities of the Irish construction sector and subsectors and estimates its contribution to Irish national emissions. This information is used to identify and assess the impacts of policy measures which would result in a ...


Cold-Formed Steel Bolted Connections Using Oversized And Slotted Holes Without Washers, Phase 2, American Iron and Steel Institute 2010 Missouri University of Science and Technology

Cold-Formed Steel Bolted Connections Using Oversized And Slotted Holes Without Washers, Phase 2, American Iron And Steel Institute

AISI-Specifications for the Design of Cold-Formed Steel Structural Members

No abstract provided.


North American Standard For Cold-Formed Steel Framing -- Lateral Design, 2007 Edition With Supplement No 1. October 2009 (Reaffirmed 2012), American Iron and Steel Institute 2010 Missouri University of Science and Technology

North American Standard For Cold-Formed Steel Framing -- Lateral Design, 2007 Edition With Supplement No 1. October 2009 (Reaffirmed 2012), American Iron And Steel Institute

AISI-Specifications for the Design of Cold-Formed Steel Structural Members

No abstract provided.


Simulation Of Traffic Loading On Highway Bridges, Bernard Enright 2010 Technological University Dublin

Simulation Of Traffic Loading On Highway Bridges, Bernard Enright

Other resources

This work is based on weigh-in-motion measurements for approximately three million trucks obtained from sites in five European countries. Techniques have been developed, supported by photographic evidence, for filtering the measurements to identify and remove unreliable values, and for the classification of extremely heavy vehicles. The collected measurements have been used as the basis for building and calibrating a Monte Carlo simulation model for bridge loading. Two-lane traffic is simulated – either two lanes in the same direction or one lane in each direction. The model allows for vehicles that are both heavier and have more axles than in the measured ...


Design, Construction And Load Testing Of The Bridge On Arnault Branch, Washington County, Missouri Using Innovative Technologies, Dongming Yan, Genda Chen, Nestore Galati, Sahra Sedigh 2010 Missouri University of Science and Technology

Design, Construction And Load Testing Of The Bridge On Arnault Branch, Washington County, Missouri Using Innovative Technologies, Dongming Yan, Genda Chen, Nestore Galati, Sahra Sedigh

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

The superstructure and instrumentation designs of a three-span bridge are presented in this report. The three spans include a precast box-girder bridge, a precast deck on steel girder and a precast deck on concrete girder. They were designed to compare the performance of various bridge decks reinforced with fiber reinforced polymers (FRP) through field instrumentations. A wireless monitoring system was designed to facilitate the collection of field data after the completion of bridge construction. The collected data will allow the study of FRP bars and stay-in-place FRP grid systems.


Design And Evaluation Of Steel Bridges With Double Composite Action, Rajan Sen, Steven Stroh, Niranjan Pai, Purvik Patel, Dennis Golabek 2010 University of South Florida

Design And Evaluation Of Steel Bridges With Double Composite Action, Rajan Sen, Steven Stroh, Niranjan Pai, Purvik Patel, Dennis Golabek

Civil and Environmental Engineering Faculty Publications

This report presents findings from a cooperative USF/URS/FDOT research study undertaken to develop design rules for double composite steel bridges. In the study, a 48 ft long, 16 ft wide, 4 ft. 10⅛ in. deep trapezoidal HPS 70W box section designed to AASHTO’s LRFD 2004 specifications was fabricated and tested. The section has an 8 in. thick top slab and a 7 in. thick bottom slab and represented the entire negative moment region of a full-size, continuous bridge. The specimen was tested to evaluate fatigue, service and ultimate provisions of the AASHTO code. Instrumentation was provided to ...


Identification Of Physical Changes To A Steel Frame, Daniel Eric Means 2010 California Polytechnic State University - San Luis Obispo

Identification Of Physical Changes To A Steel Frame, Daniel Eric Means

Master's Theses and Project Reports

The thesis utilized physical testing and computer modeling to determine the feasibility of identifying a change to the mass or stiffness of a steel frame. Physical testing was performed using an accelerometer, linear shaker, and arbitrary function generator. Two methods of laboratory testing were developed: ambient vibration testing (AVT) and forced vibration testing (FVT). AVT was able to preliminarily identify the natural frequencies and mode shapes of the frame. FVT was able to precisely identify four distinct natural frequencies, mode shapes, and damping ratios. The baseline frame then underwent two physical changes: the addition of mass to its roof, and ...


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