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Articles 1 - 5 of 5
Full-Text Articles in Engineering
Improving Ductility Of Slender Reinforced Concrete Shear Walls With Frp Sheets And Splay Anchors, Luke M. Ostrom
Improving Ductility Of Slender Reinforced Concrete Shear Walls With Frp Sheets And Splay Anchors, Luke M. Ostrom
Architectural Engineering
The Sylmar earthquake of 1971 caused significant damage to slender, non-ductile reinforced concrete (RC) shear wall buildings in California. A later survey by the Concrete Coalition in 2011, under the guidance of EERI members, indicated that there are over 3000 vulnerable concrete buildings in California [8]. This led to City of Los Angeles (LA) Ordinance 193893 enacted in 2015, which requires mandatory upgrades to these concrete buildings by 2035. Current practice to meet the requirements of this ordinance, with respect to RC wall buildings, involves adding new shear walls to the building plan or increasing the cross-sectional area of existing …
Automation Of Post-Earthquake Civil Infrastructure Reconnaissance, Jack Bergquist
Automation Of Post-Earthquake Civil Infrastructure Reconnaissance, Jack Bergquist
Architectural Engineering
Traditionally post-earthquake structural engineering reconnaissance consists of a team of experts who are deployed to the field to record and capture earthquake damage data, which is later uploaded into online repositories. Despite many advances to these data archives in recent years, the entries in online repositories often have limited metadata which make it difficult and time consuming to extract specific damage evidence that can be used for meaningful analysis. This report outlines the author’s contributions to overcoming these challenges via the development of a neural network that automatically filters and classifies post-earthquake civil infrastructure damage data after a seismic event. …
Structural Analysis Of The High Bay Steel Reaction Frames, Jerry Hue Truong Luong, Garrett Michael Brown
Structural Analysis Of The High Bay Steel Reaction Frames, Jerry Hue Truong Luong, Garrett Michael Brown
Architectural Engineering
No abstract provided.
Lateral Behavior Comparison Of Driven And Screw Piles In Stiff Clay, Sophie Moore
Lateral Behavior Comparison Of Driven And Screw Piles In Stiff Clay, Sophie Moore
Architectural Engineering
This study is concerned with the comparison of driven and screw piles when exposed to lateral forces and the effects of gapping on stiffness and displacement. Stiffness contributions were determined from force-displacement profiles, gap depth formation curves, strain profiles, bending moment profiles, and P-Y curves. Driven piles were found to be about twice as stiff as screw piles at lower displacements. At larger displacements, the stiffness of the two pile types start to converge. When the piles are in full contact with the soil, stiffness contribution is derived from both the soil and the pile. When gapping is exhibited, the …
Beauchemin Residence, Hannah E. Rogers
Beauchemin Residence, Hannah E. Rogers
Architectural Engineering
The following report details the structural engineering completed on the Beauchemin Residence, as well as the associated drawings, details, and special considerations. The Beauchemin Residence is an existing single story wood frame building on raised wood floor, located in the city of San Clemente. The scope of work includes calculations for a new roof, new walls (gravity & lateral), retrofit of the existing foundation, new foundation, and providing calculations. The process and progression of the structural design is documented, and correlated to the final product in the Appendix A & B.