Fuzzy comprehensive evaluation based on environmental effect of karst tunnel engineering

2012 ◽  
Author(s):  
Zhi-Qiang Fan ◽  
Xiao-Bo Xiong ◽  
Xin-Bo Zhang ◽  
Hai-Feng Dai ◽  
Ke Chen
Keyword(s):  
Environmental Effect ◽  
Comprehensive Evaluation ◽  
Fuzzy Comprehensive Evaluation ◽  
Tunnel Engineering ◽  
Karst Tunnel

Research on Tunnel Engineering in Karst Region by Analyzing with Grey Fuzzy Comprehensive Evaluation

2013 ◽  
Vol 13 (19) ◽  
pp. 3876-3882
Author(s):  
Xiaobo Xiong ◽  
Zhiqiang Fan . ◽  
Kai Wang . ◽  
Ke Chen . ◽  
Song Zhang . ◽  
...  
Keyword(s):  
Comprehensive Evaluation ◽  
Fuzzy Comprehensive Evaluation ◽  
Karst Region ◽  
Tunnel Engineering

A Prediction Study of Water-Gush Yield in Long Tunnels

2011 ◽  
Vol 243-249 ◽  
pp. 3689-3695
Author(s):  
Hai Ze Pan ◽  
Jiang Ying Cao ◽  
Yuan Chun Huang
Keyword(s):  
Conceptual Model ◽  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Fuzzy Comprehensive Evaluation ◽  
Rainfall Infiltration ◽  
Engineering Practice ◽  
Tunnel Engineering ◽  
Fuzzy Comprehensive Evaluation Method ◽  
Comprehensive Evaluation Method ◽  
Infiltration Method

The thought and method are put forward to deal with the difficulties in prediction of water-gush yield in long tunnels. The conceptual model of hydrogeology should be developed first based on investigating and analyzing the hydrogeology conditions of tunnel. Then, several different models should be adopted together to comprehensive calculate water-gush yield. Finally, by adopting methods of numerical simulating method, rainfall infiltration method and fuzzy comprehensive evaluation method, the comprehensive prediction thought presented above is applied and verified in Nanliang tunnel engineering practice.

Intelligent Lighting Control System in Large-Scale Sports Competition Venues

2018 ◽  
pp. 172-182 ◽  
Author(s):  
Shengmin CAO
Keyword(s):  
Control System ◽  
Large Scale ◽  
Comprehensive Evaluation ◽  
Evaluation Model ◽  
Fuzzy Comprehensive Evaluation ◽  
Practical Significance ◽  
Lighting Control ◽  
Sports Events ◽  
Planning And Design ◽  
Comprehensive Evaluation Model

This paper mainly studies the application of intelligent lighting control system in different sports events in large sports competition venues. We take the Xiantao Stadium, a large­scale sports competition venue in Zaozhuang City, Shandong Province as an example, to study its intelligent lighting control system. In this paper, the PID (proportion – integral – derivative) incremental control model and the Karatsuba multiplication model are used, and the intelligent lighting control system is designed and implemented by multi­level fuzzy comprehensive evaluation model. Finally, the paper evaluates the actual effect of the intelligent lighting control system. The research shows that the intelligent lighting control system designed in this paper can accurately control the lighting of different sports in large stadiums. The research in this paper has important practical significance for the planning and design of large­scale sports competition venues.

scholarly journals The hydrochemical characteristics and quality assessment of groundwater in Shuangliao City, China

2019 ◽  
Vol 98 ◽  
pp. 01034 ◽  
Author(s):  
Mingjun Liu ◽  
Changlai Xiao ◽  
Xiujuan Liang
Keyword(s):  
Groundwater Quality ◽  
Human Activities ◽  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Fuzzy Comprehensive Evaluation ◽  
Hydrochemical Characteristics ◽  
Analytic Hierarchy ◽  
Liaohe River ◽  
Geological Conditions ◽  
Type Water

In this study, a hydrochemical investigation was conducted in Shuangliao city to identify the hydrochemical characteristics and the quality of groundwater using descriptive statistics and correlation matrices. And on that basis, combined with Analytic hierarchy process (AHP), an improved two-level fuzzy comprehensive evaluation method is used to evaluate the groundwater quality. The results indicate that the major cations and anions in groundwater are Ca2+ and HCO3-, respectively. The chemical types are mainly HCO3—Ca type water, some areas are complicated due to the influence of human activities. The evaluation results show that the water quality in the area is mostly III type water, and the groundwater quality in some areas is IV or V water due to the influence of primary geological conditions or human activities. The groundwater quality in the East Liaohe River Valley and Shuangliao urban area is relatively poor, and in the northwest part which is the saline alkali soil area is also relatively poor.

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