Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 2538 for “"span"”.
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Short span highway bridges
Made available in DSpace on 2016-11-09T23:47:26Z (GMT). No. of bitstreams: 2 5959007_opt.pdf: 7955443 bytes, checksum: ee23f3b1a118ce36061a3c616e58e2aa (MD5) license.txt: 4183 bytes, checksum: 1dcc2037833d76bede73d5717587543b (MD5) Previous issue date: 1898
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Wide-span cable structures
… only on the use of cable structures in wide span system. Five cable systems: simply suspended cables, pretensioned cable beams, pretensioned cable nets, tensioned straight cable nets and tensegric shells are studied for their mechanical properties and suitability for wide span uses. A case …
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Investigating the relationship of verbal span and spatial span in a combination task
Measurement of working memory span typically involves tasks designed to introduce stimuli to the unique slave systems. It is widely accepted that these isolated measurements indicate, at a relatively simple level, the span of the given working memory system. This study hypothesizes that separate …
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Long-span bridge live loads.
Thesis: M.S., Massachusetts Institute of Technology, Department of Civil Engineering, 1973
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'Localised creativity: a life span perspective'
… as an organisation). The study examines life span development patterns from birth to middle age (45 - 60 years of age) with data gained by biographic interview and thematic analysis. Participants selected for this study are creative in that they have a reputation for producing new, novel and …
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Predictors of Second Language Reading Span
… available during L2 processing. L1 reading span as measured by the reading span task (Daneman and Carpenter, 1980) has been shown to be a good indicator of biological WM capacity (Conway et al., 2005). However, studies have shown that L2 reading span is generally lower than L1 reading span …
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Life -Span Changes in Task Switching
… changes in cognitive processing across the life-span. Empirical studies demonstrate that specific abilities, in addition to general processing changes, are needed to account for age-related changes during performance of some tasks. Two experiments presented here examine whether a specific task …
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Dynamic analysis of single span cables
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering, 1984.
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Wind effect on long span bridge
… has studied different types of reactions of long span bridge under wind load, such as vortex shedding, flutter and buffeting. Since all of these conditions have the chance to damage bridge structure, we calculate the particular wind speed and magnitude that will maximize the reaction. To check if …
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Evaluation of long span composite joists
The strength and stiffness characteristics of longspan composite open-web steel joists are studied. Eight full scale single span composite joists were tested to failure to evaluate their performance in both the elastic and inelastic ranges. The test specimens' spans, depths, slab depth, and amount …
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Effect of Slot Span on Wing Performance
… wing that features a partial to full span fixed slot. Fixed slots have been thoroughly studied in the past with regards to their operation and the relation between slot geometry and wing performance. There have also been many studies on the advantages and disadvantages of tip-slotted …
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Span 80: estudios de extracción y caracterización
El trabajo realizado aborda un tema de gran interés en el campo de la formulación de niosomas, como es la obtención de niosomas estables utilizando bajas concentraciones de tensioactivos biodegradables, de bajo coste y no tóxicos, evaluando su potencial uso como agentes de extracción del ácido …
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Vibration Serviceability of Long Span Slender Floors
… unusable (Orvin et al, 2016). A serviceable long-span floor is a floor that does not only carry the permanent and imposed loads applied onto it, but one that is stiff enough to prevent excessive deflections as well as vibrations (Cement and Concrete Association of Australia, 2003). Common …
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Motion control of long span horizontal structures
… bridges, increasing lengths of column-free span and demands for material efficiency have led to an overall reduction in the structural properties of mass, stiffness and damping. These three properties traditionally controlled motion-related serviceability issues, but this is no longer the …
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Recent technology developments for long-span bridges
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1997.
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Development of the Inventory of Life Span Events
… An alternative measure, the Inventory of Life Span Events (ILSE) is proposed, to quantify the life-stress burden for childhood, adolescence, adulthood, and across the entire life span. ILSE was compared to other leading measures for life events, hassles and perceived stress, and was more …
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Structural Robustness of Long-span Cable-Supported Bridges
… part of the current infrastructure system, long-span bridges are directly exposed to adverse environments, such as floods, scours, hurricanes, etc., and dynamic loads such as earthquakes and vehicular impacts. Additionally, recent long-span cable-supported collapse examples show that many bridges …
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Modeling Vortex -Induced Vibration of Long -Span Bridges
… structures through modal analysis. Additionally, spanwise loss of correlation of the aeroelastic coefficients was incorporated in the model. Long-term, full-scale data measured on the Fred Hartman Bridge (a cable-stayed bridge) were analyzed to detect incidents of vortex-induced response using …
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Preliminary Influence Lines for Two-Span Continuous Trusses
Made available in DSpace on 2015-05-12T17:06:17Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 0009117.PDF: 4675765 bytes, checksum: 923ec99c1b5653dc78e12ee9069243e4 (MD5) Previous issue date: 1954
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Dynamic Response of Three-Span Continuous Highway Bridges
Made available in DSpace on 2015-05-12T17:06:25Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 6100148.PDF: 6448954 bytes, checksum: 505181e4551947794e70b9d82f39eb8e (MD5) Previous issue date: 1960
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