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Proceedings of the 9th International Conference on Civil Engineering.

Bibliographic Details
Main Author: Feng, Guangliang.
Format: eBook
Language:English
Published: Singapore : Springer, 2023.
Edition:1st ed.
Series:Lecture Notes in Civil Engineering Series
Subjects:
Electronic books.
Online Access:Click to View
Table of Contents:
  • Intro
  • Preface
  • Contents
  • Study on the Influence of Sand Mining in the Channel of Sima Bend in Yangzhong of the Yangtze River
  • 1 Introduction
  • 2 Overview of Research Area
  • 2.1 River Profile
  • 2.2 Project Overview
  • 3 Numerical Simulation
  • 3.1 Boundary Conditions
  • 3.2 Numerical Basic Equations
  • 3.3 Numerical Calculation Method
  • 3.4 Calculation Range and Grid
  • 4 Mathematical Model Validation
  • 4.1 Verification of Flow Velocity Processes and Cross-Sectional Flow Distribution
  • 5 Analysis of the Impact of Sand Mining Projects on River Flows
  • 5.1 Analysis of Plane Flow Velocity Field and Flow Pattern Changes
  • 5.2 Analysis of Changes in the Velocity Field and Flow Regime
  • 6 Conclusion
  • References
  • Study on Fatigue Performance of Typical Fatigue Detail in Orthotropic Steel Deck
  • 1 Introduction
  • 2 Field Monitoring
  • 2.1 Measuring Points
  • 2.2 Stress Time History
  • 3 Analysis of Measurement Results
  • 3.1 Fatigue Stress Amplitude
  • 3.2 Fatigue Damage
  • 3.3 Conclusions
  • References
  • Comfort Behavior of High Performance Floor Based on Single-Jump Excitation Mode Considering Time-Space Effect
  • 1 Introduction
  • 2 Establishing the Differential Equations
  • 2.1 Improved Single-Jump Excitation Model
  • 2.2 Governing Differential Equation
  • 2.3 Dirac Delta Functions and Its Boundary Conditions
  • 2.4 Closed Form Solutions
  • 3 Verification of the Experimental Method
  • 3.1 Model Design
  • 3.2 Test Set-Up and Items
  • 3.3 Calculation and Verification
  • 3.4 Spatial and Temporal Distribution Characteristics
  • 3.5 Parameter Analysis
  • 4 Conclusion
  • References
  • Study on High Temperature Performance of Asphalt Mixture and Correlation of Its Evaluation Indexes
  • 1 Introduction
  • 2 Materials and Methods
  • 2.1 Materials
  • 2.2 Grading Design
  • 2.3 Test Method
  • 3 Results and Discussion.
  • 3.1 High Temperature Rutting Test
  • 3.2 High Temperature Shear Resistance Test
  • 3.3 Correlation Analysis
  • 4 Conclusion
  • References
  • Cases Study on Foundation Pit Design in Complex Environment of Urban Core Area
  • 1 Introduction
  • 2 Engineering Situation
  • 2.1 Engineering Background
  • 2.2 General Situation of Engineering Geology and Hydrogeologic Situation
  • 3 General Situation of Foundation Pit Design
  • 3.1 Description
  • 3.2 Summaries
  • 4 Assessment Model of Surrounding Environment
  • 4.1 Parameters Description
  • 4.2 Model Framework Description
  • 4.3 Results
  • 5 Conclusions
  • References
  • Investigation on Contact Force for Asphalt Mixture During Compaction Using DEM
  • 1 Introduction
  • 2 Materials and DEM Compaction Model
  • 2.1 Materials
  • 2.2 Experimental Tests
  • 2.3 DEM Compaction Model
  • 3 Results and Discussion
  • 3.1 Contact Force Distribution Law
  • 3.2 Contact Force Distribution Variability of Two-dimensional Section
  • 4 Conclusions
  • References
  • Research on the Application of Small Caliber Pilot Jacking Method Under Silt Geology
  • 1 Introduction
  • 2 Principle of Micro-slit Pilot Roof
  • 3 Construction Design of Small Diameter Pilot Top Pulling Method
  • 3.1 Selection of Key Technical Parameters
  • 3.2 Construction Process of Pilot Top Pulling Method
  • 3.3 The Primary Process Design
  • 3.4 Quality, Safety and Environmental Measures
  • 3.5 Process Characteristics
  • 4 Engineering Case Study
  • 4.1 Project Overview
  • 4.2 Calculation of Maximum Mud Pressure and Nose Pulling Force
  • 4.3 Analysis of Economic Benefits
  • 5 Conclusions
  • References
  • Detailed Analysis of Shrinkage and Creep Effect of Concrete in Prestressed Box Girder Bridge
  • 1 Introduction
  • 2 Prediction Model of Concrete Shrinkage and Creep
  • 2.1 CEB-FIP Series Forecasting Model
  • 2.2 ACI209 Series Forecasting Model.
  • 2.3 B3 Prediction Model
  • 2.4 GL2000 Prediction Model
  • 3 Comparison of Prediction Models
  • 3.1 Calculation Method
  • 3.2 Finite Element Model
  • 3.3 Comparison of Calculated Results and Measured Results
  • 4 Fine Analysis of Shrinkage Creep Deformation of Concrete Box Girder
  • 4.1 MIDAS/civil Beam Element Model
  • 4.2 ANSYS Solid Model without Considering the Influence of Prestressed Tendon Relaxation
  • 4.3 ANSYS Solid Model Considering the Influence of Prestressed Tendon Relaxation
  • 4.4 Comparison of Calculated Values and Experimental Values of Three Models
  • 5 Detailed Analysis of a Prestressed Concrete Continuous Rigid Frame Bridge
  • 5.1 Bridge Overview
  • 5.2 Finite Element Model
  • 5.3 Deflection Caused by Shrinkage and Creep
  • 5.4 Shrinkage Creep Stress
  • 5.5 Prestress Loss
  • 6 Summary
  • References
  • Research on Carbon Footprint Calculation and Evaluation in Assembled Building Phase
  • 1 Introduction
  • 2 Construction of Carbon Footprint Model for Assembled Building Process
  • 2.1 System Boundary
  • 2.2 Analysis on Consumption of Prefabricated Buildings
  • 2.3 Carbon Footprint Calculation Model for Prefabricated Buildings
  • 3 Carbon Footprint Factor Analysis
  • 3.1 Energy Carbon Footprint Factor
  • 3.2 Material Carbon Footprint Factor
  • 3.3 Carbon Footprint Factor of Transport Machinery
  • 3.4 Carbon Footprint Factor of Construction Machinery
  • 4 Case Analysis
  • 4.1 Project Overview
  • 4.2 Carbon Footprint Calculation
  • 4.3 Comparative Analysis of Carbon Footprint Concentration
  • 5 Conclusion
  • References
  • Numerical Simulation on Smoke Control for Extra-Long Tunnel Fires
  • 1 Introduction
  • 2 Method
  • 2.1 Physical Model
  • 2.2 Fire Scenarios
  • 2.3 Governing Equations
  • 2.4 Boundary Condition Setting
  • 2.5 Grid Independence Test
  • 2.6 Working Conditions Setting
  • 3 Results and Discussion.
  • 3.1 Fire Source Located in Region A
  • 3.2 Fire Source Located in Region B
  • 4 Conclusion
  • References
  • Surface Vibration of Throw-Type Blast in an Open-Pit Mine
  • 1 Introduction
  • 2 Engineering Condition
  • 3 Materials and Methods
  • 3.1 Experiment Instrument
  • 3.2 The Blasting Site
  • 3.3 The Arrangement of Measured Points
  • 4 Result and Discussion
  • 4.1 Monitoring Results of Throwing Blasting Vibration
  • 4.2 Fourier Transformation
  • 5 Conclusion
  • References
  • Study on Failure Process of Freeze-Thaw Fractured Rock Under Multistage Cyclic Loads
  • 1 Introduction
  • 2 Model and Test Scheme
  • 2.1 Model Establishment
  • 2.2 Simulation Scheme
  • 3 Analysis of Numerical Calculation Results
  • 3.1 Analysis of NFG-1 Simulation Results
  • 3.2 Analysis of NFG-33 Simulation Results
  • 4 Conclusion
  • References
  • Optimization Design of Sand and Loess High Slope Based on Combination of Wide and Narrow Platfom
  • A Case Study of a High Slope in Yulin City
  • 1 Introduction
  • 2 Profiles
  • 2.1 Study Area Profile
  • 2.2 Side Slope Profile
  • 3 Optimal Design of Scour Resistance Based on Single-stage Slope
  • 4 Slope Water Infiltration Analysis
  • 4.1 Slope Soil Force Analysis
  • 4.2 Parameter Selection
  • 4.3 Single-stage Slope Scour Analysis
  • 5 Optimized Slope Design Based on Overall Stability
  • 5.1 Geometric Models
  • 5.2 Boundary Model
  • 5.3 Analysis of Results
  • 6 Conclusions
  • References
  • Key Construction and Control Technology of Long Span Self-anchored Suspension Bridge with Cable Before Beam
  • 1 Introduction
  • 2 Engineering Situation
  • 3 Overall Construction Technology of "Cable before Beam"
  • 4 Key Construction Technology of "Cable Before Beam"
  • 4.1 Permanent-Temporary Combined Temporary Anchoring System
  • 4.2 Key Technology of Reverse Lifting Construction
  • 5 Key Control Technology of "Cable Before Beam".
  • 5.1 Consolidating the Steel Beam of the Anchorage Section with the Auxiliary Pier
  • 5.2 The Temperature Weld and the System Conversion
  • 5.3 Main Cable Slip Control and Cable Conduit Collision
  • 6 Conclusion
  • References
  • Numerical Simulation for the Dynamic Response of Step Topography Subjected to Blasting Load
  • 1 Introduction
  • 2 Numerical Model
  • 2.1 Blasting Load
  • 2.2 FLAC2D Calculation Model
  • 3 Results and Discussion
  • 3.1 Amplification Effect of Step Topography
  • 3.2 Vibration Distribution on Step Surface
  • 3.3 Frequency Variation of Blasting Vibration Wave
  • 4 Conclusion
  • References
  • Study on the Calculation Mode of Rod Piece Reliability
  • 1 Introduction
  • 2 Equation of Limit State under Basic Deformation of Online Elastic Range of Member Bar
  • 2.1 Selection of Functional Functions, Constants and Random Variables (Taking Plastic Materials as an Example) [2]
  • 2.2 Equation of Limit State
  • 3 Reliability Calculation Mode in the Case of Different Distribution of Random Variables and Correlation of Failure Modes
  • 3.1 JC Method's Equivalent Normal Mean and Standard Deviation and Component Failure Probability pf the Bounds Interval Estimation Method
  • 3.2 Jc Method Analysis Steps and Component Failure Probability pf Bound Interval Estimation Method [5]
  • 4 Conclusion
  • References
  • Research on Numerical Simulation Analysis and Engineering Application of Prestressed Anchor Cable Construction
  • 1 Introduction
  • 2 Project Profile and Key Technologies
  • 2.1 Project Profile
  • 2.2 Key Technology
  • 3 Numerical Calculation Analysis of Prestressed Anchor Cable
  • 4 Numerical Simulation of Different Slope Top Loads
  • 5 Conclusion
  • References
  • Stress State of Asphalt Mortar Based on Meso-Scopic Finite Element Simulation and Verification
  • 1 Introduction
  • 2 Theoretical and Experimental Methods.
  • 2.1 Digital Image Processing Method.

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