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Appl. Sci. 2019, 9(8), 1543; https://doi.org/10.3390/app9081543

Comprehensive Evaluation for Real-Time Compaction Quality Using i-AHP and i-GAM: Case Study of Earth-Rock Dam

State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, China
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Received: 22 March 2019 / Revised: 7 April 2019 / Accepted: 8 April 2019 / Published: 13 April 2019
(This article belongs to the Section Civil Engineering)
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Abstract

The real-time compaction quality evaluation of earth-rock dam plays a pivotal role in ensuring dam safety. However, the current real-time compaction quality evaluation only takes the physical properties of compacted dam materials into account, which fails to characterize whether their mechanical property meets the requirements of deformation and destruction, and no quantitative heterogeneity of real-time compaction quality is studied. This paper presents a comprehensive evaluation method to address these problems. First, based on on-site tests, real-time physical and mechanical indices are obtained. Next, the analytic hierarchy process, extended by the interval model (i-AHP) method, is introduced for real-time compaction quality evaluation considering both these indices, and the hybrid compaction index (HCI) is firstly proposed based on the i-AHP method. Finally, an improved geostatistical analysis method (i-GAM) is developed to quantify the real-time compaction quality heterogeneity. A case study of an earth-rock dam project in southwest China demonstrates the effectiveness and advantages of the proposed method. View Full-Text
Keywords: compaction quality evaluation; earth-rock dam; physical and mechanical properties; i-AHP method; improved geostatistical analysis method (i-GAM); real-time compaction monitoring (RTCM) compaction quality evaluation; earth-rock dam; physical and mechanical properties; i-AHP method; improved geostatistical analysis method (i-GAM); real-time compaction monitoring (RTCM)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Liu, M.; Wang, X.; Wang, J.; Cui, B.; Deng, B.; Shi, M. Comprehensive Evaluation for Real-Time Compaction Quality Using i-AHP and i-GAM: Case Study of Earth-Rock Dam. Appl. Sci. 2019, 9, 1543.

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