نتایج جستجو برای: stayed bridges
تعداد نتایج: 24342 فیلتر نتایج به سال:
Research on multitasking indicates that central processing capacity is limited, resulting in a performance decrement when central processes overlap in time. A notable exception seems to be stopping responses. The main theoretical and computational accounts of stop performance assume that going and stopping do not share processing capacity. This independence assumption has been supported by many...
In order to study the influence of corrosion on fatigue life weathering steel bridges, firstly nominal stress method is employed identify key details a typical weathering-steel anchor box cable-stayed bridge and then, multi-scale refined finite-element model for established. The established fatigue-life assessment corroded extended model, remaining under are predicted, initial pit size structur...
A melody's identity is determined by relations between consecutive tones in terms of pitch and duration, whereas surface features (i.e., pitch level or key, tempo, and timbre) are irrelevant. Although surface features of highly familiar recordings are encoded into memory, little is known about listeners' mental representations of melodies heard once or twice. It is also unknown whether musical ...
Testing of large-scale specimens and models is currently possible in a few earthquake-engineering laboratories around the world. However, full-scale laboratory seismic testing of entire civil engineering structures (e.g., cable-stayed bridges, multi-story office buildings, industrial facilities, and pipeline distribution systems) is not likely in the near future due to the prohibitive costs ass...
It has been observed that a careful selection of training examples improves the performance of supervised concept learning systems. This observation is important when examples are not available and are expensive to generate, or when using incremental learning systems. These two reasons are manifested in the context of BRIDGER, a system that learns to design cable-stayed bridges. This paper desc...
Long-span cable-stayed bridges often have a design service life of more than hundred years, during which they may experience multiple earthquake events and accumulate seismic damage if are located in seismic-prone regions. Earthquake occurrence is discretely randomly distributed over the cycle long-span bridge causes sudden drops structural performance instead yearly fixed degradation. This stu...
The fatigue problem of orthotropic steel bridge decks urban rail transit bridges has gradually become one the hot research topics. And it is also a key that restricts further development bridges. In this paper, deck structure long-span cable-stayed studied. Based on segmental finite element model and full-scale model, details joint weld between an U-rib were studied theoretically experimentally...
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