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Study on Reliability Appraisal of the Structures Through Grey System Theory

Author: ZhaoKeJian
Tutor: LiYanBo
School: Tianjin University
Course: Structural Engineering
Keywords: Appraisal Reliability Grey Theory Grey Comprehensive Evaluation
CLC: TU311.2
Type: Master's thesis
Year: 2005
Downloads: 296
Quote: 3
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Abstract


Identification is a special part of the building the reliability control process in the structural identification method has the advantages of simple , practical , but there are still many inadequacies . To further improve the reliability of identification methods of the housing structure and improve imminent . In this paper, the current society urgently needs a new identification method - gray comprehensive evaluation method . The method is based on the characteristics of the gray whiting function of the number of students to become the basis of clustering object have different clustering index the albino number , identification of structural reliability rating summarized , in order to determine the reliability of the structure identified level . Gray theory to establish GM (1,1) model , to predict the value of the settlement of the building , and to assess the development trend of the settlement , and achieved good results . This is an important means of reference and basis for housing structure reliability appraisal . Tianjin # 1 of an apartment building a reliability test , in accordance with the first lt; lt ; civil construction reliability identification standard gt ; gt; identified reliability then identified using the gray comprehensive evaluation method . Through the analysis of the identification results , indicating that the gray comprehensive evaluation method is feasible and can achieve good results . This method has a simple calculation , higher precision , more accurately reflect the actual reliability of the building structure and state , to reduce the impact of the uncertainties on the reliability of the identification results . Gray comprehensive evaluation method based on the combination of object-oriented and visualization techniques , and the development of the housing gray comprehensive evaluation software system to facilitate the practical engineering .

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CLC: > Industrial Technology > Building Science > Building structure > Structure theory to calculate > Structural Mechanics > Structural stability theory
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