Proceedings of the 2nd International Conference on Innovative Solutions in Hydropower Engineering and Civil Engineering (Lecture Notes in Civil Engineering, 235)

Foreword
Committee Members
Contents
Effects of Web Stiffeners Locations on Flexural Capacities of SupaCee Sections About the Weak Axis
	1 Introduction
	2 Sectional Capacities of Cold-Formed Steel Sections Under Bending Using the Direct Strength Method
	3 Behaviour and Strength of SupaCee Sections Under Flexure About the Weak Axis
	4 Effects of Web Stiffener Locations on the Flexural Capacities of SupaCee Sections About the Weak-Axis
	5 Conclusions
	References
A Hand Method for Assessment of Maximum IDR and Displacement of RC Buildings
	1 Introduction
	2 Response Spectrum Analysis by the Presented Method
	3 Equivalent Static Load Analysis by the Presented Method
	4 Contribution of the Axial Deformation
	5 Numerical Examples
		5.1 Example 1
		5.2 Example 2
	6 Conclusions
	References
Theoretical and Experimental Study on Multiparameter Criteria of Ultrasonic Method for Foundation Piles
	1 Introduction
	2 Study on Relationship Between Concrete Strength and Ultrasonic Wave Velocity
	3 Theoretical Study on Multiparameter Synthetic Criteria and Pile Defect Identification
	4 Application of Multiparameter Synthetic Criteria of Ultrasonic Method
	5 Conclusion
	References
Mechanical Properties and Micromechanism of Geopolymers to Replace Cement Stabilized Crushed Stone
	1 Introduction
	2 Experiment
		2.1 Experiment Material
		2.2 Mix Proportion Design of Geopolymer Cementitious Materials
		2.3 Performance Test of Geopolymer Cement Stabilized Crushed Stone
		2.4 Microscopic Analysis
	3 Results and Discussion
		3.1 Mix Proportion Design of Geopolymer Cementitious Materials
		3.2 Performance Test of Geopolymer Cement Stabilized Crushed Stone
		3.3 Formation Mechanism of Strength
	4 Conclusion
	References
Rheological Properties of Composite Modified Asphalt with Direct Coal Liquefaction Residues
	1 Introduction
	2 Experimental Materials and Specimen Preparation
		2.1 Test Materials
		2.2 Method
	3 High Temperature Rheological Test Results and Analysis
		3.1 Asphalt ZSV Fitting Results
		3.2 MSCR Test Results
		3.3 Grey Correlation Analysis
	4 Low Temperature Rheological Test Results and Analysis
		4.1 BBR Test Data and Burgers Model Parameters
		4.2 Low Temperature Sensitivity Analysis
	5 Conclusions
	References
The Influence of Coating Material and Thickness on the Corrosion Degree of Q345 Steel
	1 Introduction
	2 Experimental Test
	3 Results and Discussion
		3.1 Test Results
		3.2 Analysis and Discussion
	4 Conclusions
	References
Analysis of Influence Range of Sudden Change of Rock Mass Grade on Surrounding Rock Stability in Shallow Tunnel Construction
	1 Introduction
	2 Fluid Structure Coupling Equation
		2.1 Seepage Field Equation
		2.2 Stress Field Equation
	3 Project Overview
	4 Numerical Simulation Analysis
		4.1 Model Establishment and Calculation Scheme
		4.2 Assumptions for Numerical Calculation
		4.3 Boundary Condition
	5 Result Analysis
		5.1 Change of Seepage Field
		5.2 Change of Stress Field
		5.3 Change of Displacement Field
	6 Conclusion
	References
Non-destructive Detection of Grouting Defects Behind Shield Tunnel Wall by Combining Ground Penetrating Radar with Seismic Wave Method
	1 Introduction
	2 Working Principle of Ground Penetrating Radar and Seismic Wave Method
		2.1 Basic Principle of Ground Penetrating Radar Detection
		2.2 Principle of Seismic Wave Method
	3 Example Analysis of Test Platform Detection
		3.1 Detection Results of Ground Penetrating Radar
		3.2 Detection Results of Seismic Wave Method
	4 Case Study
		4.1 Setting of On-site Detection Parameters
		4.2 Detection Results
	5 Conclusions and Suggestions
	References
Service Performance Evaluation of Rubber Floating Slab Track for Metro in Operation
	1 Introduction
	2 Design Overview of Floating Slab Track
	3 Field Test and Analysis
		3.1 Appearance Detection of Rubber Bearings
		3.2 Laboratory Test of Rubber Bearings
		3.3 Natural Vibration Characteristics of Floating Slab Track
		3.4 Damping Effect of Floating Slab Track
		3.5 Dynamic Displacement of Floating Slab Track
	4 Conclusion
	References
Study on the Influence of the Arrangement of Thermal Insulation Floor on the Thermal Insulation and Mechanical Properties of Hollow Slab
	1 Introduction
	2 Establishment of Finite Element Model
		2.1 Fully Prefabricated Floor Structure
		2.2 Finite Element Mesh
		2.3 Properties of Materials
		2.4 Contact and Boundary Conditions
	3 Results Obtained Through Simulation
		3.1 Analysis of Thermal Insulation Performance
		3.2 Analysis of Mechanical Performance
	4 Conclusion
	References
Analysis of Slurry Ratio of Rotary Digging Pile in Deep Sand Layer
	1 Introduction
	2 Project Overview
	3 Trial
		3.1 Test Materials
		3.2 Test Instrument
		3.3 Test Design
		3.4 Test Method
	4 Analysis of the Test Results
		4.1 Test Results
		4.2 Correlation Analysis
		4.3 Regression Analysis
		4.4 Regression Equation Test
	5 Mix Ratio Optimization
	6 Conclusion
	References
Numerical Analysis of Bearing Capacity of Basic Stress Unit Frame of Socket-Type Wheel Buckle Formwork Support Frame Body
	1 Introduction
	2 Finite Element Analysis Assumption
	3 Numerical Analysis of Bearing Capacity of Different Specifications of Frame Body
		3.1 Definition of Material Parameters
		3.2 Establishment of Finite Element Model
		3.3 Analysis of Bearing Capacity Results
	4 Conclusion
	References
Investigation of Web Hole Effects on Capacities of Cold-Formed Steel Channel Members
	1 Introduction
	2 Determination of Capacities of Cold-Formed Steel Members Under Compression or Bending According to the American Specification AISI S100-16
		2.1 Member in Compression
		2.2 Member in Flexure
	3 Elastic Buckling Analyses for Cold-Formed Steel Channel Members with Perforations
		3.1 Elastic Sectional Buckling Analyses
		3.2 Global Buckling Analyses
	4 Investigation of Capacities of Cold-Formed Steel Channel Members with Perforations Under Compression or Bending
	5 Conclusions
	References
A Method for Determining the Pile Location of Pile Based on the Point Safety Factor Distribution of Reinforced Slope
	1 Introduction
	2 The Point Safety Factor
	3 Layout of Anti-slide Pile for Landslide of the Subgrade Fill
		3.1 General Situation of Roadbed Landslide Project
		3.2 Computational Model and Parameters
		3.3 Computational Model and Parameters
		3.4 Reinforcement Location of Anti-slide Piles
		3.5 Analysis of Reinforcement Effect of Different Pile Positions
	4 Conclusion
	References
Study on Performance of Pervious Concrete Modified by Nano-Silicon + Polypropylene Fiber Composite
	1 Introduction
	2 Test Raw Materials and Forming Methods
	3 Effect of Single Doped Nano Silicon on Cement Slurry and Pervious Concrete
		3.1 Effect of Nano-Silicon on Water Consumption of Standard Consistency of Cement Paste
		3.2 Effect of Nano-Silicon on the Performance of Pervious Concrete
	4 Pervious Concrete Modified by Nano-Silicon + Polypropylene Fiber Composite
		4.1 Physical and Mechanical Properties
		4.2 Frost Resistance
	5 Conclusion
	References
Experimental Study on Mechanical Properties of Seawater Sea-Sand Recycled Concrete Under Sulfate Attack
	1 Introduction
	2 Experiment Materials and Methods
		2.1 Materials and Mix Ratio
		2.2 Test Piece Production and Methods
	3 Test Results and Analysis
		3.1 Apparent Damage to Concrete
		3.2 Mass
		3.3 Strength
		3.4 Strength Corrosion Resistance Coefficient
	4 Conclusion
	References
Experimental Investigation of Effectiveness of FRP Composite Repair System on Offshore Pipelines Subjected to Pitting Corrosion Under Axial Compressive Load
	1 Introduction
		1.1 General
	2 Previous Experimental Studies
		2.1 Effect of Pitting Corrosion on the Buckling Strength of Thick-Wall Cylinder Under Axial Compression
		2.2 Effect of Pitting Corrosion on the Buckling Strength of Thick-Wall Cylinder Under Axial Compression
		2.3 Relationship Between Axial Load and Number of FRP Layers
	3 Methodology
		3.1 Specimens
		3.2 Repair Process
		3.3 Testing Setup
	4 Results and Discussion
		4.1 Compressive Peak Load
		4.2 Failure Modes
		4.3 Load–Displacement Behavior
	5 Conclusion
	References
Research on Safety Risks and Countermeasures of Super High-Rise Steel Structure
	1 Introduction
	2 Analysis of Key and Difficult Points in Overall Safety Protection of the Project
	3 Safety Risks of Columns and Countermeasures
	4 Safety Risk and Countermeasures of Cantilever Steel Beam
	5 Safety Risk of Waist Truss and Countermeasures
	6 Safety Risks and Countermeasures of Outrigger Truss
	7 Safety Risk of Tower Crown Structure and Countermeasures
	8 Conclusions
	References
Research on Axial Force Coherence of Steel Support Based on Active Control
	1 Instruction
	2 Engineering Background and Model
	3 Result and Analysis
		3.1 Effect of Steel Support Axial Force Coherence
		3.2 Study on the Deformation of Diaphragm Wall Joints with Axial Force Coherence
	4 Conclusion
	References
Analysis of the Discriminability of High-Temperature Performance Indices of Modified Asphalt Mixtures
	1 Introduction
	2 Materials and Experimental Program
		2.1 Test Materials
		2.2 Experiments
	3 Analysis of High-Temperature Performance of Mixtures
	4 Determination of Discriminability
		4.1 Calculation with Entropy Weight Method
		4.2 Calculation with CRITIC Method
		4.3 Analysis of Discriminability
	5 Conclusions
	References
Curvature Ductility of Confined HSC Columns
	1 Introduction
	2 Stress–Strain Relationship for Confined Concrete Under Compression
	3 Curvature Ductility Factor
		3.1 Curvature at Yielding
		3.2 Curvature at Ultimate
	4 Method Verification
	5 Conclusion
	References
Buckling Behaviour of Locally Dented GFRP Cylindrical Shells Under External Pressure—A Numerical Study
	1 Introduction
	2 Finite Element Analysis
		2.1 Finite Element Modeling
	3 Numerical Analysis and Discussions
	4 Conclusions
	References
Research and Application of Ultra High Performance Concrete in Engineering Projects in Japan
	1 Introduction
	2 Engineering Project Cases
	3 Concrete Raw Materials and Mix Proportion
		3.1 Concrete Raw Materials
		3.2 Mix Proportion
	4 Concrete Performance
	5 Conclusion
	References
BIM Electromechanical Pipe Synthesis Experience Summary in Residential Basement
	1 Instruction
	2 BIM Mechanical and Electrical Pipeline Comprehensive Common Problem Analysis
	3 BIM Mechanical and Electrical Pipeline Comprehensive Implementation Key Points
		3.1 Civil Model Analysis
		3.2 Building Functional Area Analysis
		3.3 Comprehensive Electromechanical Pipeline Program Determination
	4 BIM Mechanical and Electrical Pipeline Comprehensive Implementation Process Proposal
	5 Conclusion
	References
Finite Element Analysis of Steel Tube Bundle Composite Shear Wall with Different Constructions
	1 Instruction
	2 Overview of Model Design
	3 Establishment and Verification of Finite Element Model
		3.1 Material Constitutive Relation
		3.2 Unit Selection and Meshing
		3.3 Contact Treatment and Boundary Conditions
		3.4 Finite Element Model Verification
	4 Finite Element Simulation Results and Analysis
		4.1 Hysteresis Curve and Energy Dissipation Capacity
		4.2 Skeleton Curve and Bearing Capacity
		4.3 Ductility
	5 Conclusion
	References
Experiment and Engineering Application Study on the Compression Properties of Foundation Soil in the Process of Reinforcing Existing Buildings with Composite Piled Foundation
	1 Introduction
	2 Consolidation Test
	3 Engineering Example
	4 Conclusion
	References
The Forward Simulation on Geometric Characteristics of Adverse Buried Bodies Using Ground Penetrating Radar
	1 Introduction
	2 The Basic Principle of GPR
	3 Acquisition and Interpretation of GPR Image
		3.1 GPR Image Acquisition
		3.2 Interpretation of GPR Image
	4 Conclusion
	References
An Experimental Study on Intelligent Bearing System for Bridge Health Monitoring
	1 Introduction
	2 The Bearing Capacity Experiment of Bridge Intelligent Bearing
		2.1 Equipment and Purpose of the Experiment
		2.2 Process of the Experiment
		2.3 The Results of the Experiment
	3 Conclusion
	References
Experimental Research on Road Snow Melting Performance Based on Electric Heating Tube
	1 Introduction
	2 Materials and Methodology
		2.1 Materials
		2.2 Numerical Simulation
		2.3 In-Situ Testing Experiment
	3 Results and Discussion
		3.1 Analysis of Numerical Simulation
		3.2 Analysis of In-Situ Testing Experiment
	4 Conclusion
	References
Evaluation and Repair of Steel Structure Damaged by Fire
	1 Introduction
	2 Application Example
		2.1 Description of the Building
		2.2 Information About the Fire
	3 Damage of Steel Structural Members After Fire
		3.1 Assessment of Damage to Columns
		3.2 Assessment of Damage to Horizontal Framing Members
	4 Evaluation of Steel Components
	5 Retrofit Methodology
		5.1 Repairing Decisions
		5.2 Structural Shortcomings in Details
		5.3 Structural Reanalysis
	6 Conclusion
	References
Research on the Pore Characteristics of Dredger Fill By Preloading
	1 Foreword
	2 Material Composition
		2.1 Granularity Composition
		2.2 Mineral Components
	3 Microscopic Pore Characteristics
		3.1 Mercury Injection Test
		3.2 Analysis of Test Results
	4 Conclusion
	References
Study on Comprehensive Detection and Treatment Measures of Qinlan Tunnel of Tianba Expressway Crossing Large Karst Cave
	1 Introduction
	2 Engineering Overview
	3 Joint Detection and Analysis of Caves
		3.1 Geological Radar Method
		3.2 Advanced Horizontal Drilling
		3.3 3D Laser Scanning Technology
	4 Cave Treatment Measures
	5 Conclusion
	References
Analysis on the Modeling of Rockbusrt Prediction in Deep Tunnels Based on Machine Learning
	1 Introduction
	2 Establishment of Rockburst Database
		2.1 Selection of Rockburst Prediction Factors
		2.2 Collection of the Rockburst Cases
		2.3 Cluster Analysis and Data Processing
	3 Rockburst Prediction Model Based on Support Vector Machine
		3.1 The Basic Idea of Support Vector Machine
		3.2 Support Vector Machine Prediction Model
	4 Application
	5 Conclusion
	References
Application Practice of 3D Integration of Pipeline Information in Large-Scale and Complex Project Sites-Take Changsha Airport Addition and Alteration Project as an Example
	1 Project Overview
	2 Classification and Data Structure of Site Pipeline Information
		2.1 Type of Pipeline Information
		2.2 Data Structure of Pipeline Information Library
	3 Creation of 3D Model of Site and Pipeline
	4 Integration and Interaction of Site Pipeline Information
		4.1 Export of Site Pipeline Information
		4.2 Integration of Site Pipeline Information
		4.3 Interaction of Site Pipeline Information
		4.4 Collaboration and Management and Control Platform of Site Pipeline Information
	5 Application Practice of Pipeline Information in Project Management
		5.1 Application in Project Design Management
		5.2 Application in Project Cost Management
		5.3 Application in Project Progress Management
		5.4 Application in Project Prefabrication and Processing Management
		5.5 Application in Digital Delivery and Intelligent Operation and Maintenance Management of Project
	6 Summary
	References
Seismic Interferometry by Multi-Dimensional Deconvolution Free from Point-Spread Function
	1 Introduction
	2 Green’s Function Representation and SI by MDD
	3 Practices in Which PSF Cannot Be Obtained from Field Data
	4 SI by MDD Free from PSF
	5 Numerical Example 1: Thread Source One-Side Illumination
	6 Numerical Example 2: Near Field Thread Source One-Side Illumination
	7 Conclusions
	References
Numerical Simulation of Seismic Liquefaction for Treasure Island Site
	1 Introduction
	2 Case Study
	3 UBC3D-PLM
		3.1 Seismic Input
		3.2 Numerical Model
	4 The Results of Element Analysis
		4.1 Dynamic Response
		4.2 Excess Pore Water Pressure Ratio
		4.3 Hilbert-Huang Transform
	5 Conclusions
	References
Analysis of Mode and Response Spectrum of an OBS Anti-trawl Sinking Coupling Frame Based on ANSYS Workbench
	1 Introduction
	2 Basic Theory of Modal Analysis
	3 Composition of the Anti-trawl Sinking Coupling Frame
	4 Analysis of the Anti-trawl Sinking Coupling Frame
	5 Analysis of the Seismic Response Spectrum
	6 Conclusions
	References
Reliability Analysis on Horizontal Bearing of Pile Foundation in Sloping Ground Based on Active Learning Kriging Model
	1 Introduction
	2 Theoretical Model of Horizontal Bearing of Pile Foundation in Sloping Ground
		2.1 Analysis of Pile Foundation Deformation Mechanism Considering Slope Effect
		2.2 Theoretical Analysis Model
	3 Reliability Analysis Method of Pile Foundation Based on Kriging Model
		3.1 Horizontal Bearing Performance Function of Pile Foundation in Sloping Ground
		3.2 Active Learning Kriging Mode
		3.3 Reliability Analysis Method of Pile Foundation in Sloping Ground
	4 Reliability Analysis of Pile Foundation in Sloping Ground
		4.1 Calculation Conditions and Parameters
		4.2 Analysis of Calculation Result
	5 Conclusion
	References
Force Analysis of Anti-slip Pile Bodies on Soil Mudstone Slopes Under Heavy Rainfall
	1 Introduction
	2 Project Overview
	3 Force Analysis of Anti-slip Piles on Earthy Mudstone Slopes
		3.1 Extraction of Seepage Potential Energy from Earthy Mudstone
		3.2 Calculation of Lateral Pressure on Rock Supported by Anti-slip Piles
		3.3 Calculation of Slope Stability Under the Effect of Heavy Rainfall
	4 Case Studies
		4.1 Construction Preparation
		4.2 Force Analysis
	5 Conclusion
	References
Water Environment Simulation and Ecological Restoration in Sanhekou Reservoir Basin
	1 Introduction
	2 Overview and Methods of the Study Area
		2.1 Overview of the Study Area
		2.2 Model Building
		2.3 Calculation Condition Setting
		2.4 Model Validation
	3 Results and Discussion
		3.1 Hydrodynamic Flow Field Analysis
		3.2 Water Pollution Simulation
	4 Countermeasures for Watershed Ecological Restoration
		4.1 Ecological Status of the Basin
		4.2 Ecological Restoration Measures and Suggestions
	5 Conclusion
	References
The Variation of Hydrological Regime According to the Daily Operation of a Complementary Hydro-Photovoltaic Reservoir and Its Impact
	1 Introduction
	2 Materials and Methods
		2.1 Study Area
		2.2 Model Equations
		2.3 Parameter Determination
		2.4 Boundary Conditions
	3 Results and Discussion
		3.1 Flow Variations
		3.2 Water Level Variations
		3.3 Velocity Variations
		3.4 Water Surface Width Variations
		3.5 The Impacts on Fish
		3.6 Analysis of the Operational Scheduling Optimization
	4 Conclusion
	References
Effect of Dry-Wet Cycling on Shear Strength of Phyllite-Weathered Soil in Longsheng, Guilin
	1 Introduction
	2 Test Material
	3 Test Method
		3.1 Specimen Preparation
		3.2 Dry-Wet Cycle Test Scheme
		3.3 Direct Shear Test
		3.4 Scanning Electron Microscope Experiments
	4 Test Results and Discussion
		4.1 Direct Shear Test Results and Analysis
		4.2 Comparative Microscopic Analysis of Phyllite-Weathered Soil
	5 Discussion and Mechanism Analysis
	6 Conclusion
	References
Quantitative Evaluation of Four Kinds of Site Seismic Response Analysis Methods Using DTW
	1 Introduction
	2 DTW Algorithm
		2.1 Computing Method of DTW Distance
		2.2 DTW Distance Verification
	3 Data Sources
	4 Calculation Results
		4.1 Comparison of DTW Distance in Different PGA Ranges
		4.2 General Trend Analysis
	5 Calculation Results
	References
Study on Adsorption Model and Influencing Factors of Heavy Metal Cu2+ Adsorbed by Magnetic Filler Biofilm
	1 Introduction
	2 Materials and Methods
		2.1 Cultivation System Installation and Operation
		2.2 Sampling Method of the Biofilm
		2.3 Determination of Adsorption Isotherm
		2.4 Experiment on the Influencing Factors
		2.5 Determination of Heavy Metal Cu2+
	3 Results and Discussion
		3.1 Determination of Adsorption Model of Heavy Metal Cu2+
		3.2 Study on Influence FACTORS of Heavy Metal Adsorption by Magnetic Filler Biofilm
	4 Conclusions
	References
Reliability Evaluation Methods of Accelerated Degradation Test for Fiber-Optic Gyroscope Under Temperature Environment
	1 Introduction
	2 An ADT Testing for Fiber Optic Gyroscope
		2.1 Failure Mechanism and Sensitive Stress
		2.2 An Undertaken ADT
	3 Reliability Evaluation Method for ADT Based on Wiener Process
	4 Reliability Evaluation Method for ADT Based on Wiener Process and Interval Regression Analysis
	5 Conclusions
	References