Proceedings of the 4th International Conference on Advances in Civil and Ecological Engineering Research : ACEER2022

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Organization Preface Contents About the Editor Concrete and Building Structures A Review of Research on Chloride Corrosion of Steel Reinforcement in Pre-cracked Concrete 1 Introduction 2 Corrosion Model of Steel Reinforcement in Concrete 3 Chloride Ion Transport in Pre-cracked Concrete Under Loading 3.1 Experimental Study 3.2 Theoretical Analysis 3.3 Numerical Simulation 4 Interaction between Rebar Corrosion and Concrete Cover 5 Conclusion and Outlook References Reliability Assessment Methods of Brick Buildings 1 Introduction 2 Materials and Methods 3 Results 4 Discussion 5 Conclusion References Studies on the Carbon Emission of a Typical Steel and Concrete Substation 1 Introduction 2 Full Life-Cycle Carbon Emission Calculation Module 2.1 Analytical Methods 2.2 Calculation Stage 2.3 Calculation Formula 2.4 Calculation Data 3 Calculation Outcome and Analysis 3.1 Calculation Process 3.2 Calculation of the Carbon Emissions 3.3 Outcome Analysis 4 Suggestions 5 Conclusions References Conceptual Design and Structural Analysis of Floating Prestressed Reinforced Concrete Foundation for Offshore Wind Power 1 Introduction 2 Conceptual Design of Floating Foundation 2.1 Design Parameters 2.2 Material Parameters 2.3 Prestressed Reinforcement Arrangement 3 Load of the Floating Foundation 3.1 Gravity and Buoyancy 3.2 Wind Load 3.3 Wave Load 4 The Finite Element Model and Set up of Cases 4.1 Setup of Coordinate and Direction 4.2 Boundary Condition 4.3 Setup of Cases 5 Analysis of Results 5.1 Force Analysis of Floating Foundation 5.2 Stability Analysis of Floating Foundation 5.3 Future Recommendations 6 Conclusion References A Structural Health Monitoring Technique for the Analysis of Big Data of Bridges 1 Introduction 2 Big Data Status and Its Significance in Bridge Diagnosis 3 SHM Systems for Bridges 3.1 Time-Varying/Nonlinear Structure 3.2 Empirical Mode Decomposition (EMD) and Hilbert Transform (HT) 4 Methodology 4.1 Performance Evaluation and Verification 5 Results and Discussion 5.1 Experimental Results Analysis and Discussion 5.2 Conclusion References Machine Vision-Based Structural Diagnosis Application 1 Introduction 2 The Framework 3 CNN Configuration 3.1 Enforcing Sparse Combinations 3.2 Training, Validation, and Test Sets 4 Result and Discussions 5 Conclusions References Thermal Postbuckling of S-FGM Circular Plates 1 Introduction 2 S-FGM Circular Plates Model 3 Equations and Mathematics 4 Numerical Results and Discussion 5 Conclusion References Performance Assessment of Thermal Bridges in the Connecting Regions Between Existing Buildings and External Steel Dissipative Structures 1 Introduction 2 Seismic Upgrading by External Dissipative Steel Structures 3 Materials and Methods 3.1 Thermal Bridges: Types, Performance Assessment, and Relevant Codes 3.2 Basic Information on the Selected Simulation Program 3.3 TB Modeling 4 Simulation Results 5 Conclusions References Fluid Engineering and Geotechnical Engineering Stability Analysis of Tower Foundation Slope of Power Transmission and Transformation Project Under Strong Typhoon Environment: A Case Study at Fujian 1 Introduction 2 Data and Study Site 3 Methods 4 Results 5 Discussion and Conclusion References Practice of Ecological Restoration of Slope in Power Transmission and Transformation Project 1 Introduction 2 Principles and Characteristics of Slope Ecological Restoration 3 Connotation and Principles of Slope Ecological Restoration 4 Slope Repair Technology for Power Transmission and Transformation Projects 5 Examples of Slope Restoration for Power Transmission and Transformation Projects 5.1 Project Overview 5.2 Monitoring Content 5.3 Water and Soil Conservation Measures 5.4 Repair Effect 6 Conclusion References Research on Cementing Technology of the Anti-gas-migration for the Gas Reservoir of the Fractures in Shunnan Well Regions 1 Introduction 2 Method 2.1 Selection of Anti-channeling Cement Slurry System 2.2 Design Optimization and Cement Slurry System Evaluation 3 Results and Discussions 3.1 Cementing Process Optimization 3.2 Improve Casing Centering 3.3 Complete Displacement of Drilling Fluid 3.4 Pressure Stabilization of Gas Reservoir 3.5 Field Application 3.6 Casing Centering 3.7 Onsite Operation 3.8 Cementing Quality Analysis 4 Conclusions References Modeling and Simulation of Dust Diffusion Mechanism at the Belt Conveyor Transfer Point in Underground Coal Mine 1 Introduction 2 Establishment of Mathematical Model 2.1 Gas Flow Control Equation 2.2 Dust Particle Motion Equation 3 Parameter Setting of Numerical Simulation 3.1 Assumptions 3.2 Parameter Setting 4 Simulation Results 5 Conclusion References Effects of Feed Rate on the Hydrocyclone Flow Field and Separation Performance 1 Introduction 2 Numerical Simulation Conditions 3 Results and Discussion 3.1 Static Pressure and Pressure Gradients 3.2 Tangential Velocity 3.3 Axial Velocity 3.4 Radial Velocity 3.5 Influence of Feed Rate on the Air Column 3.6 Impact of Feed Rate on Hydrocyclone Classification Efficiency 4 Conclusions References Study on the Performance of Hydrocyclone for Desliming Lithium Slag by Water-Injection Flow Rate 1 Introduction 2 Water-Injection Cyclone 2.1 Working Principle of Water-Injection Cyclone 2.2 Cyclone Structure 3 Test Materials and Test Equipment 3.1 Test Materials 3.2 Test Equipment and Process 4 Results and Analysis 4.1 Product Concentration and Separation Efficiency 4.2 Classification Efficiency 4.3 Classification Accuracy 4.4 Comprehensive Fractional Efficiency 5 Conclusion References Effect of Insertion Length of Overflow Tube on Flow Field and Classification Performance of Hydrocyclone 1 Introduction 2 Model 3 Results and Analysis 3.1 Effect of Insertion Length of Overflow Tube on Flow Field Velocity 3.2 Effect of Overflow Tube Insertion Length on Pressure Drop and Distribution Rate 3.3 Effect of Insertion Length of Overflow Tube on Turbulent Kinetic Energy 3.4 Effect of Insertion Length on Hydrocyclone Streamline 3.5 Effect of Insertion Length of Overflow Tube on Classification Performance 3.6 Particle Distribution 4 Conclusions References Ecological Environment and Sustainability Operational Performance Simulation and Feasibility Analysis for a Solar-Assisted Ground Source Heat Pump System (SAGSHP) in Heating-Dominated Areas 1 Introduction 2 Research Object 2.1 Project Background 2.2 Hourly Cooling and Heating Loads 2.3 Domestic Hot Water Loads 2.4 System Description 3 System Design and Operation Mode 3.1 Solar Collectors 3.2 Ground Heat Exchanger (GHE) 3.3 Weather Conditions 3.4 TRNSYS Modeling 3.5 Control Strategy 4 Result and Discussion 4.1 Solar Thermal Collector 4.2 Ground Heat Exchanger (GHE) 4.3 Energy Consumption 4.4 Comprehensive Comparison of the Systems 4.5 Long-Term Simulation 5 Conclusions References The Guiding Role of the Green Clauses in the Civil Code of the People's Republic of China Upon Vessel-Induced Oil Pollution Compensation 1 Introduction 2 The Composition of the Essential Elements of Ship Oil Pollution Damage Compensation Liability 3 The Reverse Onus Clause in Ship Oil Pollution Damage Compensation 4 The Liability Share Clause in Ship Oil Pollution Damage Compensation 5 Punitive Damages in Ship Oil Pollution Damage Compensation 6 The Third-Party Liability in the Ship Oil Pollution Damage Compensation 7 The Ecological and Environmental Damage Restoration Liability in Ship Oil Pollution Damage Compensation 8 The Ecological and Environmental Damage Compensation in Ship Oil Pollution Damage Compensation 9 Conclusion References Morphological Changes and Dynamic Equilibrium Analysis of Phosphorus in Mobile Bed Biofilm Reactor 1 Introduction 2 Materials and Methods 2.1 Experimental Device and Operation Mode 2.2 Inoculation Sludge and Influent Water Quality 2.3 Detection Indicators and Methods 2.4 Dynamic Equilibrium Calculation of Phosphorus 3 Result and Discussion 3.1 Analysis of Pollutant Treatment Effect 3.2 Morphological Distribution and Content Change of Phosphorus 3.3 Dynamic Equilibrium Analysis of Phosphorus 4 Conclusion References Identification of Drought Prone Zone Using Analytic Hierarchy Process Tool and Weighted Overlay Method in a Low Lying Area 1 Introduction 2 Study Area 3 Materials and Methods 3.1 Methods 4 Results and Discussion 4.1 Climatic Parameters (Rainfall and Temperature) 4.2 Hydrological Parameters (Slope, Drainage Density, and Groundwater Yield) 4.3 Soil Type and Land Use/Land Cover (LULC) 5 Identification of Drought Prone Zone and Validation 6 Conclusion References Hydrodynamic Effects of Aquatic Plants Growth and Propagation in Plain River Network 1 Introduction 2 Effects of Aquatic Plant on Hydraulic Characteristics 2.1 Aquatic Plant Characteristics 2.2 Hydraulic Effects 3 Numerical Model 3.1 Basic Equation 3.2 Typical Plain River Network 3.3 Model Verification 4 Simulation Results and Discussion 5 Conclusion References Development and Prospect of Key Technologies of Energy Internet 1 Introduction 2 Basic Concepts and Main Features of Energy Internet 2.1 Basic Concepts of Energy Internet 2.2 Main Features of the Energy Internet 3 Basic Framework of Energy Internet 3.1 The “Source-Network-Load-Storage” Operation Mode of the Energy Internet 4 Key Technologies of Energy Internet 4.1 Distributed Renewable Energy Generation Technology 4.2 Establishment and Optimal Operation of Load Forecasting Model 4.3 Energy Internet Management Planning 4.4 Big Data and Related Technologies 5 Energy Internet Application Case 5.1 Germany E-Energy 5.2 US FREEDM Project 5.3 Domestic Research Status 6 Prospect 7 Conclusion References Analysis of Water Resources Ecological Footprint and Ecological Carrying Capacity in Huai River Ecological Economic Belt: A Case in Jiangsu Province 1 Introduction 2 Study Area and Data Sources 2.1 Description of Study Area 2.2 Data Sources 3 Research Methods 3.1 Determination of Calculation Process 3.2 Determination of Relevant Parameters 4 Results and Analysis 4.1 Results 4.2 Analysis 5 Conclusion References The Condition of Atmospheric Environmental Quality in Core City of Huai River Ecological Economic Belt and Its Interfering Factors 1 Introduction 2 General Situation of Research Area 3 Research Methodology 4 Results and Analysis 4.1 State of the Air Quality in Huaian 4.2 Analysis of Factors Affecting Atmospheric Environmental Quality 5 Conclusion References Relationship Between Environment Temperature, TOC, Turbidity, and HPC on Free Residual Chlorine in Municipal Drinking Water Distribution Networks (WDNs): A Case Study (Abadan, Iran) 1 Introduction 2 Materials and Methods 2.1 Study Area 2.2 Sample and Data Collection and Analytical Procedures 3 Results 3.1 Effect of Environmental Temperature on Residual Chlorine 3.2 Changes in Natural Organic Matter (NOM) and Turbidity (NTU) in the Studied WDN 3.3 HPC Changes in the Studied WDN 4 Conclusion References Adsorption Behavior of Cr3+ from Model Water by NaOH/Fe(III) Modified Clinoptilolite Zeolite 1 Introduction 2 Materials and Methods 2.1 Materials and Reagents 2.2 Clinoptilolite Modification 2.3 Adsorption Experiments 2.4 Characterization 3 Result and Discussion 3.1 Characterization of Samples Before and After Modification 3.2 The Removal of Cr3+ 4 Conclusion References Hydraulics, Hydrology and Water Resources Engineering Multi-object Optimization of Flood Limited Water Levels by Stages for Multipurpose Reservoir in Sediment-Laden Rivers 1 Introduction 2 Multi-stage Points of Rainfall, Flood and Sediment 3 Optimizing Model for Flood Limited Water Level of Reservoirs in Sediment-Laden River 3.1 Objective Function and Constraints 3.2 Model Solving 4 Case Study 4.1 Flood Limited Water Level Model Solving Operation Flow 4.2 Identification of Multi-period Points in Flood Season and Formulation of Flood Limited Water Level Scheme 4.3 Multi-objective Solution 5 Summary References Hydraulic Characteristics of Fishways Using a Fully Three-Dimensional Non-hydrostatic Pressure Mathematical Model 1 Introduction 2 Governing Equation 3 Numerical Method 3.1 Solution of Governing Equations 3.2 Discretized Momentum Equation 3.3 Free-Surface Equation Discretization 3.4 Standard k - ε Equation Discretization 3.5 Benchmark Case 4 Model Applications 5 Conclusions References Simulation Study on Combined System and Diversion Transformation in Jinfeng District, Yinchuan City 1 Introduction 2 Model Construction 2.1 Model Generalization 2.2 Parameter Setting 2.3 Design Rain Pattern 2.4 Calculation of Sewage Volume in Dry Days 2.5 Model Verification 3 Model Simulation 3.1 Flow Simulation 3.2 Water Quality Simulation 4 Simulation Results and Analysis 5 Conclusion Referencess Simulation of Water Pollution in the Songbaishan Reservoir, China 1 Research Background 2 Overview of Study Area 3 Research Method 3.1 Water Quality Model 3.2 Design of Leakage Scenario 4 Research Results 5 Discussions 6 Conclusions References Comparing of Soil Moisture in Different Yearly Rainfall Patterns at The Horqin Sandy Land 1 Introduction 2 Methods 2.1 Study Area 2.2 Study Method 2.3 Classification of Precipitation Year 2.4 Data Processing 3 Results and Discussion 3.1 Soil Moisture Various in Different Monthly 3.2 Comparison of Soil Moisture in Different Soil Depth 4 Conclusions References Efficacy Analysis and Evaluation of Rainwater Garden Outside the Embankment of Qiantang River in Hangzhou City 1 Introduction 2 Research Materials and Methods 2.1 Overview of the Study Area 2.2 Model Building and Its Parameters 2.3 Model Calibration 2.4 Calculation Conditions 3 Analysis of Test Results 3.1 Simulation Results 3.2 Efficacy Evaluation Results 4 Conclusions References Influencing Factors of Water Resources Carrying Capacity: A Case Study of Henan Province, China 1 Introduction 2 Materials and Methods 2.1 Overview of the Study Area and Data Sources 2.2 Principal Component Analysis 3 Results and Discussion 3.1 The Construction of Evaluation Index System 3.2 Result Analysis 4 Conclusion References The Influence of Tail Water Discharge from the Qianpu Sewage Treatment Plant on the Marine Environment Near the Sewage Outlet 1 Introduction 2 Research Area and Methods 2.1 Research Area 2.2 Monitoring Station Location and Monitoring Time 2.3 Monitoring Items and Analysis Methods 2.4 Evaluation Methods 3 Results and Discussion 3.1 Analysis and Evaluation of Seawater Quality 3.2 Surface Sediment Environmental Quality 4 Conclusion References Author Index This book presents select proceedings of the 4th International Conference on Advances in Civil and Ecological Engineering Research (ACEER 2022). The book covers a wide range of topics, including construction engineering and management hydraulic and hydrologic engineering, air quality and atmospheric pollution, ecological risk assessment and management, restoration and protection of environment, water pollution and treatment, and water recourses engineering. This book also covers state-of-the-art technologies in building sustainable city, resilient buildings, and sustainable issues in relating to civil engineering. It will be useful for researchers and engineers working in the field of civil and ecological engineering.