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Articles 5911 - 5940 of 7869

Full-Text Articles in Civil and Environmental Engineering

A Model For Predicting Liquefaction Induced Displacement, Peter M. Byrne Mar 1991

A Model For Predicting Liquefaction Induced Displacement, Peter M. Byrne

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

A simple model for predicting liquefaction induced displacement is presented. The method is based on a single-degree-of-freedom system that incorporates the post-liquefaction stress-strain response of sand. The key parameters are the residual strength and the limiting shear strain, and considerable data presently exists on these two parameters from correlation with SPT (N1)60 values. Based on this data, liquefaction induced displacements from the model are compared with both field and laboratory measurements. The model predictions are found to be in excellent agreement with the measurements and indicate that liquefaction induced displacements are very sensitive to the density or …


A New Approach For Evaluating Stability And Deformation Of Earthstructure In Earthquake, Kuniaki Karaki, Akira Hirotani, Sadao Goto, Nobuyuki Yoshida Mar 1991

A New Approach For Evaluating Stability And Deformation Of Earthstructure In Earthquake, Kuniaki Karaki, Akira Hirotani, Sadao Goto, Nobuyuki Yoshida

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

A new procedure for determining the shear strength of sand for slope stability analysis. An earthquake is proposed together with a simplified procedure for predicting deformation in earthquake. The proposed method is based on the advanced total stress method and uses undrained strength of sand with consideration on strength anisotropy. Soil parameters required in the use of proposed method as well as for deformation prediction are indicated and then results of stability and deformation analyses with the proposed method are presented for a revetment constructed on a silty sand on Tokyo Bay together with 1) field and laboratory tests results, …


Preliminary Design Guide For Cold-Formed C- And Z-Members, Committee On Specifications For The Design Of Cold-Formed Steel Structural Members Mar 1991

Preliminary Design Guide For Cold-Formed C- And Z-Members, Committee On Specifications For The Design Of Cold-Formed Steel Structural Members

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

No abstract provided.


Effect Of Flange Restraint On Web Crippling Strength, Roger A. Laboube, Wei-Wen Yu, Bhavnesh H. Bhakta Mar 1991

Effect Of Flange Restraint On Web Crippling Strength, Roger A. Laboube, Wei-Wen Yu, Bhavnesh H. Bhakta

CCFSS Library (1939 - present)

INTRODUCTION The web crippling limit states equations given in the AISI Specification were primarily developed based on the results in which the flange was not attached to the support beams. This may not accurately represent field practice, since flanges are typically fastened by bolts or welds to their support beam. Due to these fasteners, the Specification equations may be underestimating the web crippling strength of the member. Therefore, a pilot study was proposed to study the behavior of webs, and the load carrying capacity of the webs with restrained flanges.


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.


Lrfd Cold-Formed Steel Design Manual, American Iron And Steel Institute Jan 1991

Lrfd Cold-Formed Steel Design Manual, American Iron And Steel Institute

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

No abstract provided.


Web Crippling Behavior Of Sections With Web Openings, Wei-Wen Yu, James E. Langan, Roger A. Laboube Jan 1991

Web Crippling Behavior Of Sections With Web Openings, Wei-Wen Yu, James E. Langan, Roger A. Laboube

CCFSS Library (1939 - present)

No abstract provided.


Instability And Collapse Behavior Of A Seismic Structure, Franklin Y. Cheng, Jeng Fuh Ger Jan 1991

Instability And Collapse Behavior Of A Seismic Structure, Franklin Y. Cheng, Jeng Fuh Ger

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

The collapse behavior of a 22-story steel building during the September 19, 1985, Mexico earthquake is investigated by studying hysteretic behavior, ductility factors of individual structural components, and overall instability of the building. The hysteresis models for truss-type girders, bracing members, and box columns to be used in the inelastic analysis of this building are developed. A series of inelastic analyses have been performed for the building by using the multicomponent seismic input of actual Mexico City earthquake records. It was found that the structural response exceeds the original design ductility of this building because most girders in the building …


Uplift Capacity Of Z-Purlins, Roger A. Laboube Jan 1991

Uplift Capacity Of Z-Purlins, Roger A. Laboube

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Roof systems constructed using cold-formed steel components, i.e., Z-shaped purlins and interconnected roof panels, have become a very popular form of construction. This roof system is used extensively for single-story commercial and industrial buildings in the United States. The popularity of cold-formed steel members is due in part to their superior gravity load strength-to-weight ratio; however, because of their relatively light weight, a cold-formed member is very susceptible to wind uplift loading. The design specification in the United States for cold-formed steel construction does not provide a comprehensive analytical solution to the problem of wind uplift strength of a cold-formed …


Cold-Formed Steel Z-Sections With Sloping Edge Stiffness Under Axial Load, Roger A. Laboube Jan 1991

Cold-Formed Steel Z-Sections With Sloping Edge Stiffness Under Axial Load, Roger A. Laboube

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

No abstract provided.


Design Of Automotive Structural Components Using High Strength Sheet Steels Structural Strength Of Cold-Formed Steel Members Under Dynamic Loads, Chi-Ling Pan, Wei-Wen Yu Nov 1990

Design Of Automotive Structural Components Using High Strength Sheet Steels Structural Strength Of Cold-Formed Steel Members Under Dynamic Loads, Chi-Ling Pan, Wei-Wen Yu

CCFSS Library (1939 - present)

INTRODUCTION During recent years, more economic and lighter vehicles have been produced by automotive manufacturers because of the high cost of fuel. High strength sheet steels have been favorably used to accomplish the construction of such automobiles. One source of the design information for using sheet steels is provided in the AISI Automotive Steel Design Manual 1. In view of the fact that material properties and stress-strain relationships of sheet steels can be influenced by the strain rate, the material properties of three different sheet steels (35XF, 50XF, and 100XF) have been studied at University of Missouri-Rolla. This study involved …


Cold-Formed Steel Products In Material Handling System Projects: Indian Experience, Manhar C. Thakkar Oct 1990

Cold-Formed Steel Products In Material Handling System Projects: Indian Experience, Manhar C. Thakkar

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

No abstract provided.


A Study Of Cold-Formed Z-Section Steel Members Under Axial Loading, Rene W. Purnadi, John L. Tassoulas, Dimos Polyzois Oct 1990

A Study Of Cold-Formed Z-Section Steel Members Under Axial Loading, Rene W. Purnadi, John L. Tassoulas, Dimos Polyzois

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

No abstract provided.


Pull-Over Strength Of Screws In Simulated Building Tests, Duane S. Ellifritt, Robert Burnette Oct 1990

Pull-Over Strength Of Screws In Simulated Building Tests, Duane S. Ellifritt, Robert Burnette

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

No abstract provided.


Optimal Orientation Of Corrugations In Beam Webs, Vladislav Belyaev, Tatyana Mikhailova Oct 1990

Optimal Orientation Of Corrugations In Beam Webs, Vladislav Belyaev, Tatyana Mikhailova

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

No abstract provided.


A Numerical Model For Fire-Exposed Composite Steel/Concrete Slabs, Ralph Hamerlinck, Leen Twilt, Jan W. B. Stark Oct 1990

A Numerical Model For Fire-Exposed Composite Steel/Concrete Slabs, Ralph Hamerlinck, Leen Twilt, Jan W. B. Stark

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

No abstract provided.


Strength Of Composite Slabs, Craig Steven Young, W. Samuel Easterling Oct 1990

Strength Of Composite Slabs, Craig Steven Young, W. Samuel Easterling

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

No abstract provided.


Strength Evaluation Of Strut-Purlins, Gerald L. Hatch, W. Samuel Easterling, Thomas M. Murray Oct 1990

Strength Evaluation Of Strut-Purlins, Gerald L. Hatch, W. Samuel Easterling, Thomas M. Murray

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

No abstract provided.


Effective Width In Elastic Post-Buckling Of Thin Flanges, Robert W. Dannemann Oct 1990

Effective Width In Elastic Post-Buckling Of Thin Flanges, Robert W. Dannemann

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

No abstract provided.


A Method For Determining The Strength Of Z- And C-Purlin Supported Standing Seam Roof Systems, Steven D. Brooks, Thomas M. Murray Oct 1990

A Method For Determining The Strength Of Z- And C-Purlin Supported Standing Seam Roof Systems, Steven D. Brooks, Thomas M. Murray

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

No abstract provided.


Tests Of Purlins With Screw Fastened Sheeting Under Wind Uplift, P. N. Georgiou, N. L. Ings, Michael Celeban, Gregory J. Hancock, Chris Healy Oct 1990

Tests Of Purlins With Screw Fastened Sheeting Under Wind Uplift, P. N. Georgiou, N. L. Ings, Michael Celeban, Gregory J. Hancock, Chris Healy

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

No abstract provided.


Wide Lips - A Problem With The 1986 Aisi Code, Christopher T. Willis, Benjamin J. Wallace Oct 1990

Wide Lips - A Problem With The 1986 Aisi Code, Christopher T. Willis, Benjamin J. Wallace

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

No abstract provided.


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.


Stainless Steel Tubular Columns - Tests And Design, Gregory J. Hancock, Kim J. R. Rasmussen Oct 1990

Stainless Steel Tubular Columns - Tests And Design, Gregory J. Hancock, Kim J. R. Rasmussen

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

No abstract provided.


The 1989 Addendum To The Aisi Specification, S. J. Errera Oct 1990

The 1989 Addendum To The Aisi Specification, S. J. Errera

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

No abstract provided.


Main Features Of The P.R.C. Specification, Gbj18-87, Zhong-Quan Zhang Oct 1990

Main Features Of The P.R.C. Specification, Gbj18-87, Zhong-Quan Zhang

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

No abstract provided.


Safety Indexes For Shear-Bond Failure Of Composite Slabs, Laurence A. Mccuaig, R. M. Schuster Oct 1990

Safety Indexes For Shear-Bond Failure Of Composite Slabs, Laurence A. Mccuaig, R. M. Schuster

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

No abstract provided.


Uplift Behavior Of Purlin Systems Having Discrete Braces, Roger A. Laboube, M. Golovin Oct 1990

Uplift Behavior Of Purlin Systems Having Discrete Braces, Roger A. Laboube, M. Golovin

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

No abstract provided.


Design Of Cold-Formed Steel Screw Connections, Teoman Pekoz Oct 1990

Design Of Cold-Formed Steel Screw Connections, Teoman Pekoz

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

No abstract provided.


The Analysis Of Composite Slabs With Profiled Sheeting Using A Computer Based Semi-Empirical Partial Interaction Approach, Byron J. Daniels, David O'Leary, Michel Crisinel Oct 1990

The Analysis Of Composite Slabs With Profiled Sheeting Using A Computer Based Semi-Empirical Partial Interaction Approach, Byron J. Daniels, David O'Leary, Michel Crisinel

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

No abstract provided.