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Articles 3031 - 3060 of 4011

Full-Text Articles in Civil and Environmental Engineering

Develops The Software Of Dsp Processor For The Cdma Circuitry, Arman Djohan D. Apr 2002

Develops The Software Of Dsp Processor For The Cdma Circuitry, Arman Djohan D.

Makara Journal of Technology

This research develops the software of DSP Processor type TMS320C54X for the CDMA circuitry. This research apply two algorithms namely Mathematic Algorithm and table lookup Algorithm. From both algorithms, the research examine what algorithm have the fasted processing time and the smallest memory occupation. From the examination results the Mathematic Algorithm have 20.62 milliseconds processing time and the Table lookup algorithm have 14.08 milliseconds processing time. The Table lookup algorithm have the fastest processing time because the Matematic algorithm need the rounding process of the fi gure. Eventhough such processing time is not exceed from the 125 millisecond of delay …

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Yucca Mountain Ventilation Studies Support And Associated Code Enhancements, George Danko Mar 2002

Yucca Mountain Ventilation Studies Support And Associated Code Enhancements, George Danko

Publications (YM)

The Task 20 project was prematurely closed by DOE on the basis of becoming critical data to the Yucca Mountain project. Task 20 indeed delivered the first, published hydrothermal-ventilation model, MULTIFLUX V1.0 and V1.1 to BSC during 2001 to support the AMR Rev01 report. The numerical model is designed to predict temperature and humidity distributions in and around the emplacement drifts and on the waste packages stored in a ventilated, high-level nuclear waste repository.

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Test Verification Of The Effect Of Stress Gradient On Webs Of Cee And Zee Sections, Benjamin W. Schafer, Cheng Yu Mar 2002

Test Verification Of The Effect Of Stress Gradient On Webs Of Cee And Zee Sections, Benjamin W. Schafer, Cheng Yu

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

No abstract provided.

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Web Crippling And Bending Interaction Of Cold-Formed Steel Members, R. M. Schuster, J. A. Wallace, Roger A. Laboube Mar 2002

Web Crippling And Bending Interaction Of Cold-Formed Steel Members, R. M. Schuster, J. A. Wallace, Roger A. Laboube

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

A new web crippling design approach has recently been adopted by the American Iron and Steel Institute and the North American Specification for the Design of Cold-Formed Steel Structural Members, November 9, 2001 Draft Edition (NAS, 2001). The current web crippling and bending interaction equations for single-web sections in the Specification (NAS, 2001) are based on the previous web crippling methods. As well, the moment component of the interaction equations was based on the previous reduced web strength method instead of the stress gradient approach that is now contained in the Specification (NAS, 2001). Based the available data found in …

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Ccfss Technical Bulletin February 2002, Wei-Wen Yu Center For Cold-Formed Steel Structures Feb 2002

Ccfss Technical Bulletin February 2002, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Technical Bulletins (1993 - 2020)

No abstract provided.

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Ccfss News February 2002, Wei-Wen Yu Center For Cold-Formed Steel Structures Feb 2002

Ccfss News February 2002, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Newsletters (1999 - 2008)

No abstract provided.

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Closure To “Another Look At The L’Ambiance Plaza Collapse,” By Rachel Martin And Norbert J. Delatte, Norbert J. Delatte Feb 2002

Closure To “Another Look At The L’Ambiance Plaza Collapse,” By Rachel Martin And Norbert J. Delatte, Norbert J. Delatte

Civil and Environmental Engineering Faculty Publications

No abstract provided.

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Specification For The Design, Testing, And Utilization Of Industrial Steel Storage Racks, Rack Manufacturers Institute Jan 2002

Specification For The Design, Testing, And Utilization Of Industrial Steel Storage Racks, Rack Manufacturers Institute

Rack Manufacturers Institute (RMI) Specifications and Manuals (1984 - 2012)

No abstract provided.

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Aisi Standard For Cold-Formed Steel Framing -- Header Design, American Iron And Steel Institute Dec 2001

Aisi Standard For Cold-Formed Steel Framing -- Header Design, American Iron And Steel Institute

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

The material contained herein has been developed by the American Iron and Steel Institute Committee on Framing Standards. The Committee has made a diligent effort to present accurate, reliable, and useful information on cold-formed steel framing design and installation. The Committee acknowledges and is grateful for the contributions of the numerous researchers, engineers, and others who have contributed to the body of knowledge on the subject. Specific references are included in the Header Standard document. With anticipated improvements in understanding of the behavior of cold-formed steel framing and the continuing development of new technology, this material may eventually become dated. …

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Aisi Standard For Cold-Formed Steel Framing -- Truss Design, American Iron And Steel Institute Dec 2001

Aisi Standard For Cold-Formed Steel Framing -- Truss Design, American Iron And Steel Institute

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

The material contained herein has been developed by the American Iron and Steel Institute Committee on Framing Standards. The Committee has made a diligent effort to present accurate, reliable, and useful information on cold-formed steel framing design and installation. The Committee acknowledges and is grateful for the contributions of the numerous researchers, engineers, and others who have contributed to the body of knowledge on the subject. Specific references are included in the Truss Standard document. With anticipated improvements in understanding of the behavior of cold-formed steel framing and the continuing development of new technology, this material may eventually become dated. …

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Practical Issues For The Application Of High-Performance Concrete To Highway Structures, John J. Myers, Yumin Yang Nov 2001

Practical Issues For The Application Of High-Performance Concrete To Highway Structures, John J. Myers, Yumin Yang

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

In recent years, the advantages of high-performance concrete (HPC) have been well documented. Among others, these advantages include enhanced design flexibility and improved durability performance that results in reduced maintenance costs and an increased service life. Despite these obvious benefits, the implementation of HPC has been very slow. This can be attributed to several factors including the uncertainty related to current design codes and a lack of familiarity of designers and contractors with practices and requirements for proper design and construction of high-performance concrete structures. This paper introduces and discusses several fundamental issues that affect the implementation of HPC and …

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Earthquake Hazard Assessment Along Designated Emergency Vehicle Priority Access Routes, Neil Lennart Anderson, Hal Baker, Genda Chen, Tom Hertell, David J. Hoffman, Ronaldo Luna, Yulman Munaf, Shamsher Prakash, Paul Michael Santi, Richard Wesley Stephenson Nov 2001

Earthquake Hazard Assessment Along Designated Emergency Vehicle Priority Access Routes, Neil Lennart Anderson, Hal Baker, Genda Chen, Tom Hertell, David J. Hoffman, Ronaldo Luna, Yulman Munaf, Shamsher Prakash, Paul Michael Santi, Richard Wesley Stephenson

Geosciences and Geological and Petroleum Engineering Faculty Research & Creative Works

Because of the compelling need to reopen vehicular access routes to Sikeston, Cape Girardeau and St. Louis following a devastating earthquake, Missouri Department of Transportation initiated a study of those portions of US 60 and MO 100 that have been officially designated as emergency vehicle priority access routes. The primary objectives of this study were twofold. Objective 1 was to establish a current subsurface and earthquake design geographic information systems (GIS) database for areas in proximity to designated portions of US 60 and MO 100 (includes counties of Butler, Stoddard, New Madrid, Franklin and St. Louis). Objective 2 was to …

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Experiment Determination Of Required Lateral Restraint Forces For Z-Purlin Supported, Sloped Metal Roof Systems, Spencer R. Lee, Thomas M. Murray Aug 2001

Experiment Determination Of Required Lateral Restraint Forces For Z-Purlin Supported, Sloped Metal Roof Systems, Spencer R. Lee, Thomas M. Murray

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

No abstract provided.

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Ccfss Technical Bulletin August 2001, Wei-Wen Yu Center For Cold-Formed Steel Structures Aug 2001

Ccfss Technical Bulletin August 2001, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Technical Bulletins (1993 - 2020)

No abstract provided.

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Ccfss News August 2001, Wei-Wen Yu Center For Cold-Formed Steel Structures Aug 2001

Ccfss News August 2001, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Newsletters (1999 - 2008)

No abstract provided.

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Design Of Bearing Stiffeners In Cold Formed Steel C-Sections, American Iron And Steel Institute Jul 2001

Design Of Bearing Stiffeners In Cold Formed Steel C-Sections, American Iron And Steel Institute

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

No abstract provided.

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Arc Spot Welds In Sheet-To-Sheet Connections, Roger A. Laboube Jun 2001

Arc Spot Welds In Sheet-To-Sheet Connections, Roger A. Laboube

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

No abstract provided.

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Axial Strength Of Purlins Attached To Standing Seam Roof Panels, John A. Stolarczyk, James M. Fisher May 2001

Axial Strength Of Purlins Attached To Standing Seam Roof Panels, John A. Stolarczyk, James M. Fisher

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

The purpose of this research was to determine the axial load capacity of Z-purlins with one flange attached to a standing seam roof system. The axial load capacity was determined by developing a relationship between the flexural uplift buckling strength and the axial buckling strength in the Z-purlin. This relationship was investigated using finite element models and by conducting a parametric study. At the conclusion of the parametric study, confirmatory tests were conducted to verify the finite element results. Lastly, a relationship has been provided that relates the axial buckling strength in the Z-purlin to the flexural uplift buckling strength.

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Recommending Egyptian Guidelines For Managing Construction And Demolition (C&D) Waste, Marwa Saad Moussa Alansary May 2001

Recommending Egyptian Guidelines For Managing Construction And Demolition (C&D) Waste, Marwa Saad Moussa Alansary

Archived Theses and Dissertations

No abstract provided.

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Destructive And Non-Destructive Testing Of Bridge J857 Phelps County, Missouri : Strengthening And Testing To Failure Of Bridge Piers, Tarek Alkhrdaji, Antonio Nanni, Genda Chen Apr 2001

Destructive And Non-Destructive Testing Of Bridge J857 Phelps County, Missouri : Strengthening And Testing To Failure Of Bridge Piers, Tarek Alkhrdaji, Antonio Nanni, Genda Chen

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Many of the existing reinforced concrete (RC) bridge piers constructed in the first half of this century were designed as gravity piers with minimal flexural reinforcement and no consideration to seismically induced lateral forces. When considered in earlier designs, the seismic lateral forces were typically low. The potential risk of failure of columns on these piers under a moderate earthquake is becoming a growing concern for the transportation management agencies. In addition, flexural strength deficiency in RC columns may arise from the loss of reinforcement due to corrosion, premature termination of the main reinforcement, or inadequate splicing. One method for …

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Testing Of Bolted Cold-Formed Steel Connections In Bearing (With And Without Washers), J. A. Wallace, R. M. Schuster, Roger A. Laboube Mar 2001

Testing Of Bolted Cold-Formed Steel Connections In Bearing (With And Without Washers), J. A. Wallace, R. M. Schuster, Roger A. Laboube

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

No abstract provided.

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Design Of Cold-Formed Steel Plain Channels, Fang Yiu Feb 2001

Design Of Cold-Formed Steel Plain Channels, Fang Yiu

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

No abstract provided.

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Ccfss Technical Bulletin February 2001, Wei-Wen Yu Center For Cold-Formed Steel Structures Feb 2001

Ccfss Technical Bulletin February 2001, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Technical Bulletins (1993 - 2020)

No abstract provided.

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Ccfss News February 2001, Wei-Wen Yu Center For Cold-Formed Steel Structures Feb 2001

Ccfss News February 2001, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Newsletters (1999 - 2008)

No abstract provided.

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Another Look At Hartford Civic Center Coliseum Collapse, Rachel Martin, Norbert J. Delatte Feb 2001

Another Look At Hartford Civic Center Coliseum Collapse, Rachel Martin, Norbert J. Delatte

Civil and Environmental Engineering Faculty Publications

Only a few hours after five thousand basketball fans had left, the roof of the Hartford Civic Center Coliseum collapsed under a heavy snowfall. Fortunately, the arena was empty. The design of the space frame roof had been based on an innovative and extensive computer analysis. However, when deflections twice as great as those predicted by the computer analysis were observed during construction, the warning was ignored. Overconfidence in computer analysis results played a large part in this failure. A useful lesson from this case is that the computer is only an analytical tool and computed results must be checked …

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Reliability Indices For Bolted And Nailed Connections In Wood Structures, David Pollock, Donald A. Bender Jan 2001

Reliability Indices For Bolted And Nailed Connections In Wood Structures, David Pollock, Donald A. Bender

Faculty Publications - Biomedical, Mechanical, and Civil Engineering

Recently published test data for bolted and nailed connections was evaluated to assess the structural reliability inherent in current allowable stress design procedures for connections in wood structures. Reliability indices were determined for timber connections using standard firstorder, second moment (FOSM) procedures. For the connections considered in this study, reliability indices range from 2.6 to5.1, generally providing higher levels of safety than the structural members in timber structures.

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Permeability Performance Of High-Performance Concrete Subjected To Various Curing Regimes, John J. Myers Jan 2001

Permeability Performance Of High-Performance Concrete Subjected To Various Curing Regimes, John J. Myers

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Concrete technology has continued to advance throughout the years to meet the demands of designers and innovative structural systems. Traditionally, the most common means to specify durable concrete has been via specifying a maximum water-to-cementitious material ratio or a minimum cement content. With the advent of high-performance concrete (HPC), which often has higher contents of cementitious materials and a variety of admixtures, questions about permeability performance and alternative methods to specify durable concrete have arisen. The study conducted herein comments on the applicability of prescriptive specifications for HPC and investigates the influence of curing regimes and concrete temperature development during …

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Calibrations Of Cold-Formed Steel Welded Connections, F. M. Tangorra, R. M. Schuster, Roger A. Laboube Jan 2001

Calibrations Of Cold-Formed Steel Welded Connections, F. M. Tangorra, R. M. Schuster, Roger A. Laboube

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

No abstract provided.

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Light Gage Steel Framing, Dale Industries Jan 2001

Light Gage Steel Framing, Dale Industries

CCFSS Library (1939 - present)

No abstract provided.

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Metal Drywall Framing And Accessories, Dale Industries Jan 2001

Metal Drywall Framing And Accessories, Dale Industries

CCFSS Library (1939 - present)

No abstract provided.

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