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Displaying 1 - 25 of 304

Application of ASCE 41 to a two-story CFS building

October 22, 2020
Author(s)
Matthew Speicher, Zhidong Zhang, Benjamin W. Schafer
… updated performance-based seismic design provisions: ASCE 41-17, on a cold-formed steel framed building sited in a … required to bring the design into compliance with ASCE 41-17. The assessment of the building relies on the linear procedures and m-factors in ASCE 41-17 and follows the same basic process as the original …

Loading Protocols for ASCE 41 Backbone Curves

November 1, 2016
Author(s)
Bruce F. Maison, Matthew Speicher
… ASCE 41-13 is an industry standard for seismic evaluation and … loops derived via experimental cyclic tests. ASCE 41-13 requires use of loading protocols having fully-reversed … ASCE 41, backbone curves, loading protocol, seismic, nonlinear … Loading Protocols for ASCE 41 Backbone Curves …

ASCE/SEI 41 Assessment of Reinforced Concrete Buildings: Benchmarking ASCE/SEI 41 Nonlinear Dynamic Procedures with Empirical Damage Observations

May 19, 2023
Author(s)
Dustin Cook, Andrew Sen, Tarbin Basnet, Hamid Koodiani, Ariel Creagh, Abbie Liel, Russell Berkowitz, Wassim Ghannoum, Ayse Hortacsu, Insung Kim, Dawn Lehman, Laura Lowes, Adolfo Matamoros, Farzad Naeim, Siamak Sattar, Rob Smith
… ASCE/SEI 41 is the consensus U.S. standard for the seismic evaluation … damage to simulated outcomes produced following ASCE/SEI 41's nonlinear dynamic procedure. The results show that the … modeling procedures that can be used to improve ASCE/SEI 41. … Performance Based Earthquake Engineering, ASCE/SEI 41, Existing Buildings, Retrofit, Collapse Prevention, …

Collapse estimates of U.S. code-compliant steel frames and implications for an ASCE 41 assessment

September 29, 2021
Author(s)
Matthew Speicher, Kevin K F Wong, Jazalyn Dukes
… ASCE 41 is a standard that contains performance-based engineering … a study investigating the relationship between ASCE 41 and traditional new building design standards. A key … which may be caused by suspected conservatism in the ASCE 41. To further investigate this relationship, this study will …

ASCE/SEI 41 Assessment of Reinforced Concrete Buildings: Comparison of the Nonlinear Dynamic Procedure with Other Evaluation Methods

May 22, 2023
Author(s)
Andrew Sen, Dustin Cook, ABBIE LIEL, Tarbin Basnet, Russell Berkowitz, Ariel Creagh, Wassim Ghannoum, Ayse Hortacsu, Insung Kim, Hamid Koodiani, Dawn Lehman, Laura Lowes, Adolfo Matamoros, Farzad Naeim, Siamak Sattar, Rob Smith
… evaluation and retrofit of existing buildings, ASCE/SEI 41, establishes provisions for seismic analysis procedures … that vary in complexity and fidelity. Although ASCE/SEI 41 provides detailed nonlinear dynamic procedures, most … building seismic performance, particularly ASCE/SEI 41's linear methods and, more recently, the FEMA P-2018 …

Fabrication of Optics by Diamond Turning, Chapter 41, Handbook of Optics

April 1, 2010
Author(s)
Richard L. Rhorer, Christopher J. Evans
… This is an update of a chapter in a published book: Chapter 41: Fabrication of Optics by Diamond Turning, Handbook of … by the Optical Society of America. This update of Chapter 41 has been prepared for the new edition of the handbook … Handbook of Optics Handbook of Optics, 3rd Edition, Chapter 41 …

Overview of IEEE Technical Committee 41

April 30, 2020
Author(s)
John Jendzurski
… This article provides an overview of TC-41 - Traffic Enforcement Technologies. … Overview of IEEE Technical Committee 41 …

ASCE/SEI 41 Predicted Performance of Newly Designed BRBFs

January 8, 2017
Author(s)
Matthew Speicher, John Harris
… seismic retrofits during the past decade (e.g., ASCE/SEI 41). Engineers are now starting to rely more heavily on the existing building procedures in ASCE/SEI 41 for the design of new buildings in order to obtain … a challenge due to perceived conservatism in the ASCE/SEI 41 procedures and the somewhat different performance …

A Case for Rethinking ASCE 41 Performance-Based Assessment Criteria for Cold-Formed Steel

May 25, 2022
Author(s)
Matthew Speicher, Zhidong Zhang, Benjamin W. Schafer
… this paper is to evaluate the impact of applying the ASCE 41-17 performance-based design provisions on a 2-story case … of the American Society of Civil Engineers Standard 41 (ASCE 41-17) incorporates new provisions for the assessment of … A Case for Rethinking ASCE 41 Performance-Based Assessment Criteria for Cold-Formed Steel …

Flux Pinning of Bi 2 Sr 2 CaCu 2 O 8+g /Ag Superconductors Utilizing (Sr,Ca) 14 Cu 24 O 41 Defects and Nanophase Al 2 O 3 and Au Particles

June 1, 2000
Author(s)
T J. Haugan, Winnie K. Wong-Ng, Lawrence P. Cook, H J. Brown, L Swartzendruber, D T. Shaw
… film conductors utilizing micron-sized (Sr,Ca) 14 Cu 24 O 41 and nanophase Al 2 O 3 and Au particles are described. … (Sr, Ca) 14 Cu 24 O 41 , (Sr, Ca 3 Al 2 O 6 ), Bi 2 Sr 2 CaCu 2 O 8+{gamma , … 2 O 8+g /Ag Superconductors Utilizing (Sr,Ca) 14 Cu 24 O 41 Defects and Nanophase Al 2 O 3 and Au Particles …

Using FEMA P695 to Interpret ASCE 41 Seismic Performance of Special Moment Frames

June 25, 2018
Author(s)
Matthew S. Speicher, Jazalyn D. Dukes, Kevin K. Wong
… ASCE 41 contains methodologies used by practicing engineers for … a study investigating the relationship between ASCE 41 and traditional design standards (e.g., ASCE 7 and AISC … two approaches, with some unwarranted conservatism in ASCE 41. To further investigate this relationship, this paper …

Seismic Evaluation of a 2-Story Cold-Formed Steel Framed Building using ASCE 41-17

September 29, 2020
Author(s)
Matthew S. Speicher, Ivana Olivares, Benjamin W. Schafer
… report is to assess the adequacy of new provisions in ASCE 41 for seismic assessment of cold-formed steel framed … building is performed per the linear procedure in ASCE 41. A retrofit design, and a new design, for the same CFS-framed building are also completed per ASCE 41. The ASCE 41 assessment indicates that the building is …

Flux-Pinning of Bi 2 Sr 2 CaCu 2 O 8 High T c Superconducting Tapes Utilizing (Sr,Ca) 14 Cu 24 O 41 and Sr 2 CaAl 2 O 6 Defects

February 19, 2017
Author(s)
T J. Haugan, Winnie Wong-Ng, Lawrence P. Cook, L Swartzendruber, H J. Brown, D T. Shaw
… tape conductors utilizing (Sr d1-x^Ca x )14Cu 24 0 41+δ (014x24) and Sr d2^CaA1 2 0 6 (03A1 2 ) defects are … powders with composition (2212 + N vol% Sr 10 Ca 4 Cu 24 0 41+δ ; N = 0,7,15) were prepared by the solid-state method to … (Xr, Ca) 14 Cu 24 O 41+γ , Bi 2 Sr 2 CaCu 2 O 8=γ , critical current density, …

Assessment of a 12-story Code-Compliant Reinforced Concrete Special Moment Frame Using Performance-Based Seismic Engineering Standards and Guidelines: ASCE 41, TBI, and LATBSDC

March 1, 2020
Author(s)
Mustafa Buniya, Siamak Sattar, Andre Barbosa
… (PBSE) standards and guidelines including ASCE/SEI 41, the Tall Buildings Initiative (TBI) guidelines for … ASCE/SEI 41, LATBSDC, Nonlinear modeling, Performance-based design, … Seismic Engineering Standards and Guidelines: ASCE 41, TBI, and LATBSDC …

Importance of Experimental Loading Protocols in Developing ASCE 41-17 Backbone Curves

June 25, 2018
Author(s)
Bruce F. Maison, Matthew Speicher
… ASCE 41 component backbone curves are typically based on envelopes … to simulated seismic demands. Prior editions of ASCE 41 required loading protocols having fully-reversed cyclic … underestimate actual component ductility. The new ASCE 41-17 provides additional freedom in protocol selection to …

Backbone Curve Variations on Steel Building Seismic Response

June 2, 2023
Author(s)
Bruce Maison, Matthew Speicher, Dimitrios Lignos
… several hysteretic models. Attention was given to ASCE 41-type backbone curves. Of particular interest was exploring … on envelopes of first-cycle test data, as done in ASCE 41, can result in overly conservative seismic response … seismic, earthquake, steel, ASCE 41, earthquake, building, performance-based design …

Structural Study of Ba 11 Fe 8 Ti 9 O 41 by X-Ray Diffraction

September 1, 2000
Author(s)
T Siegrist, C Svensson, Terrell A. Vanderah, Robert S. Roth
… The crystal structure of Ba 11 Fe 8 Ti 9 O 41 was determined using single-crystal and powder X-ray … diffraction data for polycrystalline Ba 11 Fe 8 Ti 9 O 41 are given. Complementary structural studies of this … Structural Study of Ba 11 Fe 8 Ti 9 O 41 by X-Ray Diffraction …

Collapse Prevention Seismic Performance Assessment of New Eccentrically Braced Frames using ASCE 41

June 15, 2016
Author(s)
Matthew S. Speicher, John L. Harris
… the results of a seismic performance assessment using ASCE 41-06 for six eccentrically braced frames (EBFs) designed in … Building Code. The correlation between ASCE 7-10 and ASCE 41-06 is investigated to compare the seismic performance … to the noted performance issues with regards to ASCE 41 are investigated and recommendations are made on how to …

Assessment of Performance-Based Seismic Design Methods in ASCE 41 for New Steel Buildings: Special Moment Frames

August 1, 2018
Author(s)
John L. Harris, Matthew S. Speicher
… associated seismic performance as quantified using ASCE 41 analysis procedures and structural performance metrics. … have difficulty satisfying the acceptance criteria in ASCE 41 for an existing building intended to be equivalent to a … of Performance-Based Seismic Design Methods in ASCE 41 for New Steel Buildings: Special Moment Frames …

A Phenomenological Droplet Impact Model for Lagrangian Spray Transport

January 1, 2003
Author(s)
P E. DesJardin, Cary Presser, P J. Disimile, J R. Tucker
The overall objective of this research is to gain fundamental knowledge of fire-suppression agent transport in the cluttered environments of aircraft engine nacelles (i.e., hydraulic and electrical lines, mounting brackets, etc.). A new generation of Halon
Displaying 1 - 25 of 304
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