Advances in Transportation Geotechnics IV : Proceedings of the 4th International Conference on Transportation Geotechnics Volume 3

• Record Nr.: UNINA9910502993603321
• Autore: Tutumluer Erol
• Pubbl/distr/stampa: Cham : , : Springer International Publishing AG, , 2021; ©2022
• ISBN: 3-030-77238-1
• Descrizione fisica: 1 online resource (1023 pages)
• Collana: Lecture Notes in Civil Engineering Ser. ; ; v.166
• Altri autori (Persone): NazarianSoheil; Al-QadiImad; QamhiaIssam I. A
• Soggetti: Electronic books.
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Nota di contenuto: Intro -- Contents -- About the Editors -- Tunnels -- Investigation on the Dynamic Response of a High-Speed Railway Tunnel Located Beneath an Airport Runway and Uneven Settlement of the Runway -- 1 Introduction -- 2 Background -- 3 Long-Term Settlement of the Runway Due to the Dynamic Train Load -- 3.1 Model -- 3.2 Analysis of Calculation Results -- 4 Influence of Aircraft Load on Service Performance of the Tunnel and the Operation Safety of the High-Speed Trains -- 4.1 Deformation and Stresses of the Tunnel Linings Under Aircraft Loads -- 4.2 Dynamic Response of the Track Due to the Aircraft Load -- 5 Conclusion -- References -- Influence of Shield Slurry Property on Filter Cake Quality in Sand Stratum -- 1 Introduction -- 2 Engineering Background and Slurry Pressure Setting -- 2.1 Engineering Background -- 2.2 Slurry Pressure Setting -- 3 Shield Slurry Preparation -- 3.1 Laboratory Test -- 3.2 Influence of Materials on Shield Slurry -- 4 Slurry Penetration Test Design -- 4.1 Experimental Apparatus -- 4.2 Experimental Materials -- 4.3 Experimental Procedure -- 4.4 Experimental Scheme -- 5 Results of Laboratory Experiment -- 5.1 Final Water Discharge -- 5.2 Water Discharge During Filter Cake Forming Process -- 5.3 Water Discharge Per Second After Filter Cake Formation -- 5.4 Filter Cake Formation Time -- 5.5 The Form of Filter Cake -- 6 Slurry Control Scheme ; and Application -- 6.1 Slurry Control Design -- 6.2 Application in Site -- 7 Conclusions -- References -- Dynamic Response and Long-Term Settlement of Four Overlapping Tunnels Subject to Train Load -- 1 Introduction -- 2 Engineering Background -- 3 Numerical Calculations -- 3.1 Description of Calculation Model -- 3.2 Selection of Measuring Point -- 3.3 Load Application -- 3.4 Verification of the Numerical Model -- 3.5 Calculation Method for Long-Term Settlement -- 4 Computation Result Analysis.; 4.1 Dynamic Response of Overlapping Tunnel -- 4.2 Long-Term Settlement of Overlapping Tunnel -- 5 Conclusions -- References -- Dynamic Stability of Soft Soil Between Closely and Obliquely Overlapped Metro Tunnels Subjected to Moving Train Loads -- 1 Introduction -- 2 Numerical Method of Dynamic Response Between Overlapped Tunnels -- 2.1 The Closely and Obliquely Metro Tunnels -- 2.2 Three-Dimensional Track-Tunnel-Soil Model -- 2.3 Vehicle-Track Coupled Model and Cycling Vehicle Load -- 2.4 Verification of the Numerical Model -- 3 Numerical Results and Discussions -- 3.1 Characteristics of Dynamic Shear Strain Distribution -- 3.2 Cyclic Threshold Shear Strain Parameters and Dynamic Stability Analysis -- 3.3 Reinforcement Measures and Effect Evaluation -- 4 Conclusions -- References -- Research on Calculating Quantity of Utility Tunnel with Revit Secondary Development -- 1 Introduction -- 2 Methodology -- 2.1 Method Design -- 2.2 Information Typing -- 2.3 Code Identification -- 2.4 Items Assignment -- 2.5 Developing Plug-In -- 3 Application Analysis -- 4 Conclusion and Perspective -- References -- The Influence of Variation in Groundwater Table on Ground Vibrations from Underground Tunnels -- 1 Introduction -- 2 Formulation -- 3 Numerical Results and Discussion -- 4 Conclusions -- References -- Experimental Studies on Three Types of Vibration Isolators for Buildings Near Subways -- 1 Introduction -- 2 Designs of the New Isolators -- 2.1 Stacked Sandbags -- 2.2 The Improved Geosynthetics Isolator -- 2.3 Laminated Thick Rubber Isolator -- 3 Test Programs -- 3.1 Mechanical Property Tests -- 3.2 Field Experiments -- 4 Results and Discussion -- 4.1 Mechanical Properties -- 4.2 Suppression Effectiveness of the Field Experiments -- 5 Conclusions -- References -- Dynamic Response of Floating Slab Track with Variation on Failure Position of Steel Spring.; 1 Introduction -- 2 Numerical Analysis Model and Its Parameters -- 3 Numerical Calculation and Results Analysis -- 3.1 Effect of Failure Position on Vibration of Track and Tunnel -- 3.2 Effect of Failure Position on Vibration and Attenuation of Soil -- 4 Conclusions -- References -- The Effect of Boundary Permeability on the Dynamic Response of the Layered Saturated Ground Subjected to an Underground Moving Load -- 1 Introduction -- 2 Physic Model and General Solutions -- 3 The Development of the TRM Method -- 4 Numerical Results -- 5 Conclusions -- References -- The Effect of Excavation Unloading on the Deformation of Existing Underlying Shield Tunnel -- 1 Introduction -- 2 Case Analysis -- 2.1 The Vertical Displacement of Tunnels -- 2.2 The Effect of the Depth of Excavation -- 2.3 The Effect of the Size of Excavation -- 2.4 The Effect of the Shape of Excavation -- 2.5 Summary of field observations -- 3 FEM Modelling of Protected Tunnel -- 3.1 Geometric Model -- 3.2 Soil Model and the Parameters -- 4 Result and Discussion -- 4.1 The Effect of the Depth of Excavation -- 4.2 The Effect of the Width of the Excavation -- 4.3 The Effect of Ground Improvement -- 4.4 The Effect of the Length of Anti-Pulling Pile -- 5 Conclusions -- References -- Intelligent Construction in Earthworks: Technology and Management -- Field Testing of Automatic Frequency Control for Intelligent ; Compaction of Embankments -- 1 Introduction -- 2 Methods and Materials -- 3 Results and Discussion -- 4 Conclusions -- References -- An Experimental Study on the Estimation of Field Compaction States and Stress-Strain Properties of Unbound Granular Materials from Laboratory Test Results -- 1 Introduction -- 2 Walker-Holtz Method -- 3 Soil Samples and Test Methods -- 4 Results and Discussions (Laboratory Compaction Tests) -- 4.1 Results -- 4.2 Modification of the WH-Method.; 4.3 Estimation of ρd Other than (ρd)max -- 4.4 (ρd)max of Field Sample Including Large Gravel Particles -- 5 Results and Discussions (Triaxial Compression Tests) -- 6 Conclusions -- References -- A Stress-Dependent Approach for Estimation of Drum-Soil Contact Area -- 1 Introduction -- 2 Methodology -- 2.1 Contact Width -- 3 Results and Discussion -- 4 Summary and Conclusions -- References -- An Earthworks Quality Assurance Methodology Which Avoids Unreliable Correlations -- 1 Introduction -- 2 Sample Preparation for Testing -- 3 What Do Engineer Want from Testing -- 3.1 Alternative Equipment Used or QA Testing -- 4 Precision and Accuracy of Various Tests -- 5 Dendrograms for Assessing Compaction Relationships -- 6 Density PDF Used to Match Other Test Data -- 7 Conclusions -- References -- Intelligent Construction for Infrastructure-The Framework -- 1 Definition of Intelligent Construction for Infrastructure -- 2 Construction Managed by Systematic Methods -- 3 Construction Machine Learning -- 4 Entering the Big Data Era -- 5 Integration of Intelligent Technologies -- 6 Future of Intelligent Construction -- References -- Geo-statistical Evaluation of the Intelligent Compaction Performance in a Reclaimed Base Project -- 1 Introduction -- 2 Background and Methodology -- 2.1 Project Description and In-Situ Measurements -- 2.2 Compaction Measurement Values (CMVs) -- 2.3 Geo-statistical Analysis -- 3 Results and Discussion -- 3.1 First Reclaim Phase -- 3.2 Second Reclaim Phase -- 3.3 Discussion -- 4 Conclusion -- References -- CCC Systems for Vibratory and Oscillatory Rollers in Theoretical and Experimental Comparison -- 1 Introduction -- 2 Overview of CCC Systems and Previous Investigations -- 2.1 CCC with Vibratory Rollers -- 2.2 CCC with Oscillatory Rollers -- 2.3 Results from Previous Investigations -- 3 Experimental Field Tests on CCC Performance.; 3.1 Compaction Device -- 3.2 Test Layout and Measuring Equipment -- 4 Results from Experimental Field Tests -- 5 Conclusions -- References -- Numerical Assessment of Impacts of Vibrating Roller Characteristics on Acceleration Response of Drum Used for Intelligent Compaction -- 1 Introduction -- 2 Development of a Finite Element Model for Simulating Soil-Drum Interaction -- 2.1 Roller Characteristics -- 2.2 Modeling of Soil -- 2.3 Finite Element Model -- 3 Results and Discussion -- 3.1 Effects of Vibration Frequency -- 3.2 Effects of Amplitude -- 3.3 Effects of Roller Weight -- 4 Conclusions -- References -- Evaluating the Influence of Soil Plasticity on the Vibratory Roller-Soil Interaction for Intelligent Compaction -- 1 Introduction -- 2 Three-Dimensional Finite Element Model -- 2.1 Adopted Soil Model -- 2.2 Adopted Roller Characteristics and 3D Model -- 3 Results and Discussion -- 4 Australian Field Experience -- 5 Conclusions -- References -- De-icing Test of the Externally Heated Geothermal Bridge in Texas -- 1 Introduction -- 2 Design and Construction -- 2.1 Test Site Conditions -- 2.2 Design of the Heated Deck and GLHE -- 2.3 Construction of Mock-up Bridge and De-icing System -- 3 System Operation and Performance -- 4 Conclusion -- References -- Climatic Effects on Geomaterial Behavior Related to Mechanics of Unsaturated Transportation Foundations -- Effect of Relative Density on the Drained ; Seismic Compression of Unsaturated Backfills -- 1 Introduction -- 2 Effective Stress for Unsaturated Soils -- 3 Sand Properties -- 4 Simple Shear Device with Suction-Saturation Control -- 5 Preparation of Unsaturated Specimens with Different Relative Densities -- 6 Testing Procedure and Testing Program -- 7 Experimental Results and Discussion -- 8 Conclusion -- References -- Frost Heave Protection of Concrete Pavement Subgrades -- 1 Introduction.; 2 Design Standards as a Measure Against Frost Heaving.