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Transit Draft Heave and Pitch Motion Analysis of the Mobile Offshore Base (MOB) Using Reverse MI/SO Techniques
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A major design feature of the Mobile Offshore Base (MOB) is its ability to transit anywhere in the world in the required time frame. This means that the Single Base Units (SBU’s) of the ...
Application of a Negative Capacitance Circuit in Synchronized Switch Damping Techniques for Vibration Suppression
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the synchronized switching damping (SSD) techniques, the voltage on the piezoelectric element is switched synchronously with the vibration to be controlled using an inductive shunt circuit ...
Protection of a 193.5-m High Concrete Tube-Shaped TV Tower Close to Subway Excavations
Publisher: ASCE
Abstract: A 193.5-m high concrete tube-shaped TV tower in the city of Nantong, China, was founded on short piled–raft footing, whose safety was threatened by implementation of four 10.9–26.5-m-deep excavations for an interchange ...
Optimization of Closure Jacking Forces in Multispan Concrete Rigid-Frame Bridges
Publisher: American Society of Civil Engineers
Abstract: Creep, shrinkage, and temperature drops will shorten the main girder and create additional internal forces in the piers of continuous rigid-frame bridges. Horizontal jacking forces can be applied at the ends of a closure ...
Effects of Solar Temperature Gradient on Long-Span Concrete Box Girder during Cantilever Construction
Publisher: American Society of Civil Engineers
Abstract: Three-dimensional (3D) finite-element analysis of a 106 × 200 × 106-m concrete box girder was conducted to study the effect of solar temperature gradients on long-span bridges during construction. Segments over the internal ...
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