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Missouri University of Science and Technology

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Articles 451 - 480 of 566

Full-Text Articles in Engineering

Prediction Of Corner Mechanical Properties For Stainless Steels Due To Cold Forming, P. Van Der Merwe, G. J. Van Den Berg Oct 1992

Prediction Of Corner Mechanical Properties For Stainless Steels Due To Cold Forming, P. Van Der Merwe, G. J. Van Den Berg

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

The results of a study of the degree of workhardening on stainless steel Types 304, 409, 430 and Type 3CR12 corrosion resisting steel due to cold work of forming are presented in this paper. Analytical inelastic stress-strain relationships are established for virgin tensile specimens. An equation for predicting the yield strength of comers are developed.

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Ccfss News August 1992, Wei-Wen Yu Center For Cold-Formed Steel Structures Aug 1992

Ccfss News August 1992, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Newsletters (1999 - 2008)

No abstract provided.

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Ccfss News February 1992, Wei-Wen Yu Center For Cold-Formed Steel Structures Feb 1992

Ccfss News February 1992, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Newsletters (1999 - 2008)

No abstract provided.

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Asce Lrfd Method For Stainless Steel Structures, Shin Hua Lin, Wei-Wen Yu, Theodore V. Galambos Jan 1992

Asce Lrfd Method For Stainless Steel Structures, Shin Hua Lin, Wei-Wen Yu, Theodore V. Galambos

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

In recent years, probability-based load-and-resistance-factor-design (LRFD) method has been successfully applied to the design of hot-rolled steel sections and cold-formed steel members in the United States and foreign countries. In order to develop the LRFD criteria for the design of cold-formed stainless steel structural members and connections, a research project was conducted at the University of Missouri-Rolla since 1986 under the sponsorship of the American Society of Civil Engineers (ASCE). This newly developed LRFD Specification with Commentary has been adopted by ASCE as a new standard in 1990. It supersedes the 1974 edition of the Specification for the Design of …

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Ccfss News August 1991, Wei-Wen Yu Center For Cold-Formed Steel Structures Aug 1991

Ccfss News August 1991, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Newsletters (1999 - 2008)

No abstract provided.

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Tunnel Damage Resulting From Seismic Loading, J. S. Phillips, B. A. Luke Mar 1991

Tunnel Damage Resulting From Seismic Loading, J. S. Phillips, B. A. Luke

International Conferences on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics

Correlation of ground motion to observed tunnel damage has largely been based on estimates of ground motion rather than observations and measurements. In an effort to provide a data set that included both measured ground motions and documented tunnel response, an experiment was designed and fielded 0.5 km from a recent underground nuclear explosion (UNE) which had a body wave magnitude, mb, and a Richter local magnitude, ML, of 5.0. The data obtained in this experiment are summarized in the paper. The discussion centers on the applicability of the results of this experiment to the design …

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Mechanical Characterization Of The Threshold Strain In Sand Liquefaction, A. Kaddouri Mar 1991

Mechanical Characterization Of The Threshold Strain In Sand Liquefaction, A. Kaddouri

International Conferences on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics

DOBRY et al, YOUD have shown the existence of a shearing threshold strain in the vicinity of 10-4 which guides the occurrence of liquefaction. With tests on glass beads and sand from the Algiers bay, using a proper measuring system, we were able to arrive at a better resolution of this threshold and to the determination of its mechanical signification.

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Geological And Seismicity Evaluation Of Srinagarind Dam, S. Klaipongpan, V. Chakramanont, J. Pinrode, P. Chittrakarn Mar 1991

Geological And Seismicity Evaluation Of Srinagarind Dam, S. Klaipongpan, V. Chakramanont, J. Pinrode, P. Chittrakarn

International Conferences on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics

In April of 198 3, a sequence of earthquakes were recorded by the National Seismic Network where the epicenters were located in the upper reaches of the Srinagarind Reservoir. A detailed evaluation of these earthquakes has been initiated since that time. Network of micro seismic instruments have also been installed in the region in order to establish the capability of higher resolution for seismic parameters and allow the greater understanding of the mechanism of the activity. After seven years of monitoring and data collecting, analyses of the results have been performed. Results obtained from the evaluation of overall characteristic seismicity, …

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Ccfss News February 1991, Wei-Wen Yu Center For Cold-Formed Steel Structures Feb 1991

Ccfss News February 1991, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Newsletters (1999 - 2008)

No abstract provided.

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The Effect Of Workhardening And Residual Stresses Due To Cold Work Of Forming On The Strength Of Cold-Formed Stainless Steel Lipped Channel Sections, P. Van Der Merwe, J. S. Coetsee, G. J. Van Den Berg Oct 1990

The Effect Of Workhardening And Residual Stresses Due To Cold Work Of Forming On The Strength Of Cold-Formed Stainless Steel Lipped Channel Sections, P. Van Der Merwe, J. S. Coetsee, G. J. Van Den Berg

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.

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Lateral Torsional Buckling Strength Of Doubly Symmetric Stainless Steel Beams, P. Van Der Merwe, M. L. Van Wyk, G. J. Van Den Berg Oct 1990

Lateral Torsional Buckling Strength Of Doubly Symmetric Stainless Steel Beams, P. Van Der Merwe, M. L. Van Wyk, G. J. Van Den Berg

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.

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Asce Lrfd Method For Stainless Steel Structures, Shin-Hua Lin, Wei-Wen Yu, T. V. Galambos Oct 1990

Asce Lrfd Method For Stainless Steel Structures, Shin-Hua Lin, Wei-Wen Yu, T. V. Galambos

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.

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Current Research On Cold-Formed Steel Structures, George E. Blandford Oct 1990

Current Research On Cold-Formed Steel Structures, George E. Blandford

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.

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Ccfss News August 1990, Wei-Wen Yu Center For Cold-Formed Steel Structures Aug 1990

Ccfss News August 1990, Wei-Wen Yu Center For Cold-Formed Steel Structures

CCFSS Newsletters (1999 - 2008)

No abstract provided.

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Asce Design Standard For Stainless Steel Structures, Shin-Hau Lin, Wei-Wen Yu, Theodore V. Galambos Nov 1988

Asce Design Standard For Stainless Steel Structures, Shin-Hau Lin, Wei-Wen Yu, Theodore V. Galambos

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.

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The Torsional Flexural Buckling Strength Of Cold-Formed Stainless Steel Columns, P. Van Der Merwe, G. J. Van Den Berg Nov 1988

The Torsional Flexural Buckling Strength Of Cold-Formed Stainless Steel Columns, P. Van Der Merwe, G. J. Van Den Berg

CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)

No abstract provided.

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Load And Resistance Factor Design Of Cold-Formed Stainless Steel Statistical Analysis Of Material Properties And Development Of The Lrfd Provisions, Shin-Hua Lin, Wei-Wen Yu, Theodore V. Galambos Oct 1988

Load And Resistance Factor Design Of Cold-Formed Stainless Steel Statistical Analysis Of Material Properties And Development Of The Lrfd Provisions, Shin-Hua Lin, Wei-Wen Yu, Theodore V. Galambos

CCFSS Library (1939 - present)

INTRODUCTION 1.1 General Remarks The "Allowable Stress Design" method has long been used for the design of steel structures in the United States. 1,2,3 Recently, the probability-based load and resistance factor design (LRFD) criteria have been successfully applied to the structural design of hot-rolled steel shapes and built-up members. 4,5,6 The AISI LRFD Specification is being developed as well for the design of structural members cold-formed from carbon and low alloy steels. 7-17 These design criteria can provide a more uniform degree of structural safety to achieve consistent reliability for different design situations. The probability-based design method is developed on …

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Second International Conference On Case Histories In Geotechnical Engineering, Multiple Authors Jun 1988

Second International Conference On Case Histories In Geotechnical Engineering, Multiple Authors

International Conference on Case Histories in Geotechnical Engineering

No abstract provided.

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Table Of Contents, Multiple Authors Jun 1988

Table Of Contents, Multiple Authors

International Conference on Case Histories in Geotechnical Engineering

No abstract provided.

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Effects Of Collapse Settlement Of Fill On Reinforced Earth Walls, G. E. Blight Jun 1988

Effects Of Collapse Settlement Of Fill On Reinforced Earth Walls, G. E. Blight

International Conference on Case Histories in Geotechnical Engineering

Two case histories illustrate the effects that collapse settlement of the fill forming a Reinforced Earth wall can have on the structure. Pre-requisites for collapse settlement are inadequate compaction, compaction at too low a water content, or a combination of these. Collapse settlement occurs subsequently when the water content of the fill is increased by infiltration. The effects of collapse settlement identified in this paper are: (i) a temporary release of friction on the reinforcing strips with the result that the wall facing moves outwards; and (ii) relative settlement between the fill and the wall facing with the result that …

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Organizing Committee, Multiple Members Jun 1988

Organizing Committee, Multiple Members

International Conference on Case Histories in Geotechnical Engineering

No abstract provided.

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Past Proceedings: First International Conference On Case Histories In Geotechnical Engineering (1984): Vol. I, Multiple Authors Jun 1988

Past Proceedings: First International Conference On Case Histories In Geotechnical Engineering (1984): Vol. I, Multiple Authors

International Conference on Case Histories in Geotechnical Engineering

No abstract provided.

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Foundation Failures Associated With Salt Rock And Surrounding Coastal Plain, A. Orhan Erol, Abdulmohsin W. Dhowian Jun 1988

Foundation Failures Associated With Salt Rock And Surrounding Coastal Plain, A. Orhan Erol, Abdulmohsin W. Dhowian

International Conference on Case Histories in Geotechnical Engineering

A detailed investigation has been conducted to study the causes of severe and widespread damages in a town situated on a salt dome. The study includes a thorough assessment of ground conditions in the coastal plain surrounding the salt dome for possible utilization of the plain as redevelopment areas. Major geological features in the study area comprised of collapsible windblown sands which are underlain by salt rock in the old town and soft/loose sabkha deposits in the proposed redevelopment zones. It has been found that the extensive damages in the buildings and roads are primarily due to subsidence phenomenon associated …

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Geotechnical Investigation Into Causes Of Failure Of A Gabion Retaining Wall, Edward A. Nowatzki, Brian P. Wrench Jun 1988

Geotechnical Investigation Into Causes Of Failure Of A Gabion Retaining Wall, Edward A. Nowatzki, Brian P. Wrench

International Conference on Case Histories in Geotechnical Engineering

This paper describes the post-failure analysis of a 26m long x 4m high gabion retaining wall located in a suburb of Johannesburg, South Africa. The wall had been built just beyond the toe of a natural slope with most of the gabion units resting on the bed of a small river. The river bed soils consisted of approximately 2.5 m of soft, dark-grey, silty clay underlain by massive granite bedrock. The water table at the toe of the wall was within 0.1 m of the river bed surface. Failure of the wall occurred over the weekend after backfilling to grade …

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The Influence Of Thin Clay Layers On The Design And Performance Of A Flexible Cantilever Retaining Wall, R. Cameron, C. A. Carr Jun 1988

The Influence Of Thin Clay Layers On The Design And Performance Of A Flexible Cantilever Retaining Wall, R. Cameron, C. A. Carr

International Conference on Case Histories in Geotechnical Engineering

This case study presents the methods that were used successfully to redesign and monitor the performance of a flexible cantilever retaining wall, incorporating an in situ support berm, at a site where thin, weak clay layers were detected in the foundation during construction. A potential mode of failure termed "berm-block sliding", where the retaining wall pushes out the entire support berm as a block along the clay layers, governed the design analysis. Evidence of presheared planes within the clay layers required that the design shear strength parameters be based on residual values. The clay had a significant cohesion component which …

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Past Proceedings: Second International Conference On Case Histories In Geotechnical Engineering, St. Louis (1988), Multiple Authors Jun 1988

Past Proceedings: Second International Conference On Case Histories In Geotechnical Engineering, St. Louis (1988), Multiple Authors

International Conferences on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics

No abstract provided.

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Construction Of Road Embankments Over Very Soft Soil Using Band Drains And Preloading, John D. Nelson, Brian P. Wrench Jun 1988

Construction Of Road Embankments Over Very Soft Soil Using Band Drains And Preloading, John D. Nelson, Brian P. Wrench

International Conference on Case Histories in Geotechnical Engineering

As part of a new national road being constructed in South Africa an embankment was built over a deep deposit of very soft soil. To enhance stability the embankment was built in several stages and in order to reduce the time required for consolidation between stages, band drains were installed in the foundation soils. The soils were instrumented to monitor pore water pressure and settlement. The results of the monitoring phase showed that the band drains were effective and operated as designed. This paper presents the results of the monitoring and discusses the prediction of degree of consolidation from settlement …

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Correlation Between The Actual And Predicted Settlements Of Structures At Nsukka, Nigeria, H. O. Chukweze Jun 1988

Correlation Between The Actual And Predicted Settlements Of Structures At Nsukka, Nigeria, H. O. Chukweze

International Conference on Case Histories in Geotechnical Engineering

The paper compares the measured and calculated settlements of two buildings and one concrete water tank founded on the red-weathered soils of Nsukka, Nigeria. Prior to actual construction of the structures the three sites were investigated, soil samples were collected and tested in the laboratory and the data collected were used to predict the total and differential settlements of the structures. Then permanent concrete slabs were established as bases at each of the three sites for observing other points. The theodolite was used at each of the sites to monitor the movements of each of the structures, starting from the …

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Preface, Shamsher Prakash Jun 1988

Preface, Shamsher Prakash

International Conference on Case Histories in Geotechnical Engineering

No abstract provided.

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List Of Conference Participants, Multiple Participants Jun 1988

List Of Conference Participants, Multiple Participants

International Conference on Case Histories in Geotechnical Engineering

No abstract provided.

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