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Safety Assessment of Rigid Frame Cantilever Construction Based on Matter-Element and Extension

Received: 8 March 2021    Accepted:     Published: 30 March 2021
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Abstract

In order to effectively evaluate the safety status of the cantilever construction of a large-span rigid frame bridge, this paper takes a four-span rigid frame bridge as the engineering background, selects the failure probability of the cantilever construction, the natural environment, the cantilever construction operation, and the management level as the evaluation factors and divides the possibility level into Five levels, an extension model is established to evaluate the cantilever construction of the bridge. This paper first uses fuzzy comprehensive evaluation to quantify the natural environment and cantilever construction technology, then calculates the failure probability of the bridge cantilever construction based on Monte Carlo theory, and finally scores according to the management level of the management system. Invite relevant experts to obtain the weight set of each evaluation factor through the 1-9 scale method, and use the goodness evaluation method in the matter-element extension method for evaluation. The results show that the safety assessment result of the cantilever construction of the bridge is a medium risk, which provides a reliable basis for predicting and avoiding risks. Based on the matter-element extension method, the rigid frame cantilever construction safety assessment takes into account the uncertainty and ambiguity of failure, and more objectively reflects the safety status of the cantilever construction during the construction period. The calculation results of different safety evaluation models are compared with the results of this paper, which verifies the feasibility and effectiveness of the matter-element extension theory applied to the safety evaluation of cantilever construction.

Published in Science Discovery (Volume 9, Issue 2)
DOI 10.11648/j.sd.20210902.13
Page(s) 37-42
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2021. Published by Science Publishing Group

Keywords

Fuzzy Comprehensive Evaluation, Extension Theory, Probability of Failure, Reliability

References
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Cite This Article
  • APA Style

    Zhu Qinghua, Tian Zhongchu. (2021). Safety Assessment of Rigid Frame Cantilever Construction Based on Matter-Element and Extension. Science Discovery, 9(2), 37-42. https://doi.org/10.11648/j.sd.20210902.13

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    ACS Style

    Zhu Qinghua; Tian Zhongchu. Safety Assessment of Rigid Frame Cantilever Construction Based on Matter-Element and Extension. Sci. Discov. 2021, 9(2), 37-42. doi: 10.11648/j.sd.20210902.13

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    AMA Style

    Zhu Qinghua, Tian Zhongchu. Safety Assessment of Rigid Frame Cantilever Construction Based on Matter-Element and Extension. Sci Discov. 2021;9(2):37-42. doi: 10.11648/j.sd.20210902.13

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  • @article{10.11648/j.sd.20210902.13,
      author = {Zhu Qinghua and Tian Zhongchu},
      title = {Safety Assessment of Rigid Frame Cantilever Construction Based on Matter-Element and Extension},
      journal = {Science Discovery},
      volume = {9},
      number = {2},
      pages = {37-42},
      doi = {10.11648/j.sd.20210902.13},
      url = {https://doi.org/10.11648/j.sd.20210902.13},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20210902.13},
      abstract = {In order to effectively evaluate the safety status of the cantilever construction of a large-span rigid frame bridge, this paper takes a four-span rigid frame bridge as the engineering background, selects the failure probability of the cantilever construction, the natural environment, the cantilever construction operation, and the management level as the evaluation factors and divides the possibility level into Five levels, an extension model is established to evaluate the cantilever construction of the bridge. This paper first uses fuzzy comprehensive evaluation to quantify the natural environment and cantilever construction technology, then calculates the failure probability of the bridge cantilever construction based on Monte Carlo theory, and finally scores according to the management level of the management system. Invite relevant experts to obtain the weight set of each evaluation factor through the 1-9 scale method, and use the goodness evaluation method in the matter-element extension method for evaluation. The results show that the safety assessment result of the cantilever construction of the bridge is a medium risk, which provides a reliable basis for predicting and avoiding risks. Based on the matter-element extension method, the rigid frame cantilever construction safety assessment takes into account the uncertainty and ambiguity of failure, and more objectively reflects the safety status of the cantilever construction during the construction period. The calculation results of different safety evaluation models are compared with the results of this paper, which verifies the feasibility and effectiveness of the matter-element extension theory applied to the safety evaluation of cantilever construction.},
     year = {2021}
    }
    

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  • TY  - JOUR
    T1  - Safety Assessment of Rigid Frame Cantilever Construction Based on Matter-Element and Extension
    AU  - Zhu Qinghua
    AU  - Tian Zhongchu
    Y1  - 2021/03/30
    PY  - 2021
    N1  - https://doi.org/10.11648/j.sd.20210902.13
    DO  - 10.11648/j.sd.20210902.13
    T2  - Science Discovery
    JF  - Science Discovery
    JO  - Science Discovery
    SP  - 37
    EP  - 42
    PB  - Science Publishing Group
    SN  - 2331-0650
    UR  - https://doi.org/10.11648/j.sd.20210902.13
    AB  - In order to effectively evaluate the safety status of the cantilever construction of a large-span rigid frame bridge, this paper takes a four-span rigid frame bridge as the engineering background, selects the failure probability of the cantilever construction, the natural environment, the cantilever construction operation, and the management level as the evaluation factors and divides the possibility level into Five levels, an extension model is established to evaluate the cantilever construction of the bridge. This paper first uses fuzzy comprehensive evaluation to quantify the natural environment and cantilever construction technology, then calculates the failure probability of the bridge cantilever construction based on Monte Carlo theory, and finally scores according to the management level of the management system. Invite relevant experts to obtain the weight set of each evaluation factor through the 1-9 scale method, and use the goodness evaluation method in the matter-element extension method for evaluation. The results show that the safety assessment result of the cantilever construction of the bridge is a medium risk, which provides a reliable basis for predicting and avoiding risks. Based on the matter-element extension method, the rigid frame cantilever construction safety assessment takes into account the uncertainty and ambiguity of failure, and more objectively reflects the safety status of the cantilever construction during the construction period. The calculation results of different safety evaluation models are compared with the results of this paper, which verifies the feasibility and effectiveness of the matter-element extension theory applied to the safety evaluation of cantilever construction.
    VL  - 9
    IS  - 2
    ER  - 

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Author Information
  • School of Civil Engineering, Changsha University of Science & Technology, Changsha, China

  • School of Civil Engineering, Changsha University of Science & Technology, Changsha, China

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