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Articles 1 - 4 of 4
Full-Text Articles in Structural Engineering
Experimental And Analytical Methodologies For Predicting Peak Loads On Building Envelopes And Roofing Systems, Maryam Asghari Mooneghi
Experimental And Analytical Methodologies For Predicting Peak Loads On Building Envelopes And Roofing Systems, Maryam Asghari Mooneghi
FIU Electronic Theses and Dissertations
The performance of building envelopes and roofing systems significantly depends on accurate knowledge of wind loads and the response of envelope components under realistic wind conditions. Wind tunnel testing is a well-established practice to determine wind loads on structures. For small structures much larger model scales are needed than for large structures, to maintain modeling accuracy and minimize Reynolds number effects. In these circumstances the ability to obtain a large enough turbulence integral scale is usually compromised by the limited dimensions of the wind tunnel meaning that it is not possible to simulate the low frequency end of the turbulence …
Aerodynamic Testing Of Variable Message Signs, Debbie Meyer
Aerodynamic Testing Of Variable Message Signs, Debbie Meyer
FIU Electronic Theses and Dissertations
The increasing nationwide interest in intelligent transportation systems (ITS) and the need for more efficient transportation have led to the expanding use of variable message sign (VMS) technology. VMS panels are substantially heavier than flat panel aluminum signs and have a larger depth (dimension parallel to the direction of traffic). The additional weight and depth can have a significant effect on the aerodynamic forces and inertial loads transmitted to the support structure. The wind induced drag forces and the response of VMS structures is not well understood. Minimum design requirements for VMS structures are contained in the American Association of …
Development Of A Precast Concrete Supertile Roofing System For The Mitigation Of Extreme Wind Events, Brandon L. Mintz
Development Of A Precast Concrete Supertile Roofing System For The Mitigation Of Extreme Wind Events, Brandon L. Mintz
FIU Electronic Theses and Dissertations
Residential roofs have traditionally formed the weakest part of the structure. The connections of roofs to the walls has lacked a clear load path with the result that the structure is weak at this point, leading to the compromise of the structure. Indeed roofs have multiple points of failure that lead to the weakness of the residential structure as a whole. Even if structural failure does not occur, compromise the roofing membrane can lead to high repair costs and property loss. The failure lies in the complex forming of the roof components as the roof aesthetics are placed to protect …
Comprehending Performance Of Cross-Frames In Skewed Straight Steel I-Girder Bridges, Jawad H. Gull
Comprehending Performance Of Cross-Frames In Skewed Straight Steel I-Girder Bridges, Jawad H. Gull
FIU Electronic Theses and Dissertations
The effects of support in steel bridges can present significant challenges during the construction. The tendency of girders to twist or layovers during the construction can present a particularly challenging problem regarding detailing cross-frames that provide bracing to steel girders. Methods of detailing cross-frames have been investigated in the past to identify some of the issues related to the behavior of straight and skewed steel bridges. However, the absence of a complete and simplified design approach has led to disputes between stakeholders, costly repairs and delays in the construction.
The main objective of this research is to develop a complete …