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Full-Text Articles in Physical Sciences and Mathematics
Evaluation Of Collapse Indicators For Seismically Vulnerable Reinforced Concrete Buildings, Nicholas R. Skok
Evaluation Of Collapse Indicators For Seismically Vulnerable Reinforced Concrete Buildings, Nicholas R. Skok
Open Access Theses
Older reinforced concrete buildings can be prone to column shear and compression failures during earthquakes because of inadequate transverse reinforcement. Cities in seismic areas still have large inventories of older and potentially deficient buildings. To analyze every building and estimate its vulnerability in detail is costly. A simple method to rank quickly older buildings according to their seismic vulnerability is needed to help engineers prioritize the use of resources for rehabilitating the most vulnerable buildings.
Four indicators of building damage or collapse were evaluated using numerical analysis and prior data from building surveys: column index (Hassan & Sozen, 1997), R …
Effective Geoscience Pedagogy At The Undergraduate Level, Kelsey Warden
Effective Geoscience Pedagogy At The Undergraduate Level, Kelsey Warden
Open Access Theses
This investigation used constructivist pedagogical methods within the framework of an introductory level undergraduate geoscience course to gauge both the changes in attitude and cognition of students. Pedagogy was modified in the laboratory setting, but maintained in the lecture setting and homework. Curriculum was also maintained in the lecture, but was changed in the laboratory to emphasize the large concepts and systems stressed in Earth Science Literacy Principles. Student understanding of these concepts and systems was strengthened by factual knowledge, but recall and memorization were not the goal of the laboratory instruction. The overall goal of the study was to …
The Geologic Framework Of Acoma Pueblo And Its Cultural Context: A Western & Native Perspective, Darryl Reano
The Geologic Framework Of Acoma Pueblo And Its Cultural Context: A Western & Native Perspective, Darryl Reano
Open Access Theses
The sequence of sedimentary rocks at Acoma Pueblo, New Mexico, are important both in terms of their cultural significance for the Native people of Acoma Pueblo and the insight they provide into the long term geologic history of the Colorado Plateau. In this thesis we present the first stratigraphic and provenance analysis of the Mesozoic strata at Acoma Pueblo, New Mexico, based on field observations and detrital zircon U-Pb geochronology. Acoma Pueblo was located in the distal part (i.e. backbulge) of a foreland basin system during most of the Mesozoic. Acoma Pueblo has not been included in previous regional studies …
Part I: Neoacadian To Alleghanian Foreland Basin Development And Provenance In The Central Appalachian Orogen, Pine Mountain Thrust Sheet Part Ii: Structural Configuration Of A Modified Mesozoic To Cenozoic Forearc Basin System, South-Central Alaska, Peter Benjamin Robertson
Open Access Theses
Foreland and forearc basins are large sediment repositories that form in response to tectonic loading and lithospheric flexure during orogenesis along convergent plate boundaries. In addition to their numerous valuable natural resources, these systems preserve important geologic information regarding the timing and intensity of deformation, uplift and erosion history, and subsidence history along collisional margins, and, in ancient systems, may provide more macroscopic information regarding climate, plate motion, and eustatic sea level fluctuations. This thesis presents two studies focused in the Paleozoic Appalachian foreland basin system along the eastern United States and in the Mesozoic to Cenozoic Matanuska forearc basin …