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Reinforced Concrete Structural Reliability: 1st Edition (Hardback) - Routledge
Abstract: In recent years, rotation construction is widely used in construction of arch birdge, and the method of construction is difficult and has complicated process. Construction process control for rotation construction of the long-span anch bridge is not only the key measure to ensure the states meeting the design requirements of the constructed bridge, but also is the important part to ensure the construction quality and safety. Therefore, it is necessary to control the construction for the long-span self-anchored arch bridge. The paper established the control system according to the rotation constrcution for the long-span self-anchored arch bridge which is overpass a exited major highway.
And took a follow-up observations for the actual states of the constructing arch bridge, and used the finite enlement software ANSYS to analyze the stress of the structure and static and dynamic stress in the process of rotation construction. Comparing the theoretical value to the measured results showed that there was good meet between the results.
According to the results of the finite element and monitoring, it will provide the target of the construction monitoring for each construction segment, and meet the final design of the bridge, furthermore it will provide a reliable reference for the smooth progress of construction. Abstract: Based on the real construction technology, process and environment of Yuquanxi Bridge, the finite element method was applied in the research to make sure the crack mechanism and find out the impact of improper construction procedure on cracks of Block No.
Study of structural reliability of existing concrete structures
By comparing the numerical results with actual cracks condition, the impact of improper construction procedure on cracks of Block No. Hence, using value engineering to optimize construction scheme selection has its practical significance. This paper, based on the basic principles of value engineering, builds the new model of comparison and selection of construction schemes through the comprehensive analysis of its function and cost, and selects the construction scheme which has better comprehensive result through quantitative method.
It describes the effects of corrosion and poor construction quality on the structural safety of reinforced concrete structures and how to rehabilitate and extend structural lifetime. Furthermore, this reference offers modeling techniques for loads in a probabilistic manner. In just a few easy steps below, you can become an online reviewer.
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A stochastic analysis is developed to assess the temporal and spatial variability of pitting corrosion on the reliability of corroding reinforced concrete RC structures. The structure considered herein is a singly reinforced RC beam with Y16 or Y27 reinforcing bars.
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Experimental data obtained from corrosion tests are used to characterise the probability distribution of pit depth. The RC beam is discretised into a series of small elements and maximum pit depths are generated for each reinforcing steel bar in each element. The loss of cross-sectional area, reduction in yield strength and reduction in flexural resistance are then inferred.
The analysis considers various member spans, loading ratios, bar diameters and numbers of bars in a given cross-section, and moment diagrams.
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This shows the importance of considering spatial variability in a structural reliability analysis for deteriorating structures, particularly for corroding RC beams in flexure. Pitting corrosion and structural reliability of corroding RC structures : Experimental data and probabilistic analysis.
N2 - A stochastic analysis is developed to assess the temporal and spatial variability of pitting corrosion on the reliability of corroding reinforced concrete RC structures. AB - A stochastic analysis is developed to assess the temporal and spatial variability of pitting corrosion on the reliability of corroding reinforced concrete RC structures.
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