نتایج جستجو برای: valves bridge cracks
تعداد نتایج: 78586 فیلتر نتایج به سال:
Bridge crack detection is essential to ensure bridge safety. The introduction of deep learning technology has made it possible detect cracks automatically and accurately. In this study, the Inception-Resnet-v2 algorithm was systematically improved applied real-time cracks. We propose an end-to-end model based on a convolutional neural network. This combines advantages Inception convolution resi...
Microalloyed S355N steel plates are extensively used in bridge and high-rise building structures. One of the factors affecting the mechanical properties is the size and morphology of inclusions. In this research, microalloyed S355N steel plates with different sizes of inclusions were examined. One contained long manganese sulfide inclusions (LI material) and the other had short ones (SI materia...
This article studies a concrete hollow slab simply supported-continuous actual engineering project in certain city. Before the reinforcement of bridge, there were cracks and exposed rebars, etc. In order to ensure safe operation method was adopted, prestressed steel strands are used convert simple-supported structure into continuous structure, thereby improving structural load-bearing capacity ...
Abstract The corrosion of reinforced concrete structures in coastal areas turns out to be very severe and can extend significantly windy zones. Additionally, frequent temperature changes and, above all, exposure extreme temperatures might induce wider cracks micro‐cracks which, turn, accelerate the diffusion corrosive agents. Motivated by this evidence, present study aims at verifying sensitivi...
It is believed that the Yılanlı (or Leylekli) Bridge (bridge with stork or snake figures) in Tokat, a city high seismicity, was built during Roman Byzantine period. Although no structural damage found on bridge, which still open to pedestrian traffic, it very important determine seismic behaviour of bridge considering possible earthquakes structure will be exposed. This article presents respons...
In this work, we present and analyse the flow-sensing part of a recently-developed multisensor in LTCC (lowtemperature co-fired ceramic) technology; this device integrates flow / pressure / temperature sensing and is designed for diagnostics monitoring of standard industrial compressed air circuits and devices such as valves and actuators. In this prototype, flow is sensed using the constant-te...
As a common appearance defect of concrete bridges, cracks are important indices for bridge structure health assessment. Although there has been much research on crack identification, the evolution mechanism is still far from practical applications. In this paper, state-of-the-art intelligent theories and methodologies feature extraction, data fusion detection based data-driven approaches compre...
As an important part of the traffic infrastructure, bridge has attracted much attention for its health conditions. Bridge damage detection is way evaluating However, could not be directly expressed by traditional methods. With emergence new technologies and engineering applications, it possible to achieve visual expression damages, improve digitization detection, promote sustainable development...
Super duplex stainless steel (SDSS) is used for manufacturing large valves and pipes in offshore plants because of its excellent strength corrosion resistance. Large are manufactured by forging after casting, the outside inside microstructures different owing to difference cooling rate caused thermal conductivity. This microstructural variation causes cracks during solution annealing, which bre...
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