Health Assessment of Foundation Pit Based on the Fuzzy Analytical Hierarchy Process

Many monitoring indexes affect the health condition of foundation pits to different extents. How to use a massive on-site monitoring dataset to quantitatively assess the health of foundation pits is a problem that deserves due consideration. This paper proposes a foundation pit health assessment mod...

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Main Authors: Jinbo Sun, Ke Sun, Liang Gong, Sheng Gu, Hao Hao
Format: Article
Language:English
Published: Wiley 2022-01-01
Series:Advances in Civil Engineering
Online Access:http://dx.doi.org/10.1155/2022/3245305
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author Jinbo Sun
Ke Sun
Liang Gong
Sheng Gu
Hao Hao
author_facet Jinbo Sun
Ke Sun
Liang Gong
Sheng Gu
Hao Hao
author_sort Jinbo Sun
collection DOAJ
description Many monitoring indexes affect the health condition of foundation pits to different extents. How to use a massive on-site monitoring dataset to quantitatively assess the health of foundation pits is a problem that deserves due consideration. This paper proposes a foundation pit health assessment model based on the fuzzy analytical hierarchy process (AHP) method. First, factors affecting the health of foundation pits are classified by the AHP, a hierarchical factor system for foundation pit health assessment is established, and the index scale method is used to assign weights to assessment factors at different hierarchical levels. Combined with the fuzzy mathematical method, the membership functions of four health degree levels (A to D) are constructed, and the determination range of each health degree level is given to realize the quantitative calculation of the health condition from the bottom-level assessment factor to the overall foundation pit. Considering that each assessment factor involves many monitoring points and different monitoring data, a comprehensive assessment operator is also constructed to highlight the most adverse impact. Finally, the proposed model is used to perform a health assessment of an actual foundation pit project, and the variation in the foundation pit health during the entire monitoring period is obtained. The health grade of the foundation pit is determined to be B, which is a basically healthy condition consistent with the on-site inspection results.
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spelling doaj-art-6cd62c715678463b8c199899288731f32025-02-03T01:06:36ZengWileyAdvances in Civil Engineering1687-80942022-01-01202210.1155/2022/3245305Health Assessment of Foundation Pit Based on the Fuzzy Analytical Hierarchy ProcessJinbo Sun0Ke Sun1Liang Gong2Sheng Gu3Hao Hao4School of Civil EngineeringSchool of Civil Engineering and ArchitectureSchool of Civil EngineeringSchool of Civil EngineeringManagement Committee of China (Nanjing) Software ValleyMany monitoring indexes affect the health condition of foundation pits to different extents. How to use a massive on-site monitoring dataset to quantitatively assess the health of foundation pits is a problem that deserves due consideration. This paper proposes a foundation pit health assessment model based on the fuzzy analytical hierarchy process (AHP) method. First, factors affecting the health of foundation pits are classified by the AHP, a hierarchical factor system for foundation pit health assessment is established, and the index scale method is used to assign weights to assessment factors at different hierarchical levels. Combined with the fuzzy mathematical method, the membership functions of four health degree levels (A to D) are constructed, and the determination range of each health degree level is given to realize the quantitative calculation of the health condition from the bottom-level assessment factor to the overall foundation pit. Considering that each assessment factor involves many monitoring points and different monitoring data, a comprehensive assessment operator is also constructed to highlight the most adverse impact. Finally, the proposed model is used to perform a health assessment of an actual foundation pit project, and the variation in the foundation pit health during the entire monitoring period is obtained. The health grade of the foundation pit is determined to be B, which is a basically healthy condition consistent with the on-site inspection results.http://dx.doi.org/10.1155/2022/3245305
spellingShingle Jinbo Sun
Ke Sun
Liang Gong
Sheng Gu
Hao Hao
Health Assessment of Foundation Pit Based on the Fuzzy Analytical Hierarchy Process
Advances in Civil Engineering
title Health Assessment of Foundation Pit Based on the Fuzzy Analytical Hierarchy Process
title_full Health Assessment of Foundation Pit Based on the Fuzzy Analytical Hierarchy Process
title_fullStr Health Assessment of Foundation Pit Based on the Fuzzy Analytical Hierarchy Process
title_full_unstemmed Health Assessment of Foundation Pit Based on the Fuzzy Analytical Hierarchy Process
title_short Health Assessment of Foundation Pit Based on the Fuzzy Analytical Hierarchy Process
title_sort health assessment of foundation pit based on the fuzzy analytical hierarchy process
url http://dx.doi.org/10.1155/2022/3245305
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