ALBERT

Note: Contents 1 Analysis in Seismic Provisions for Buildings: Past, Present and Future / Peter Fajfar 2 Implications of Site Specific Response Analysis / Atilla Ansal, Gökçe Tönük, and Aslı Kurtuluş 3 A Redefinition of Seismic Input for Design and Assessment / G. Michele Calvi, Daniela Rodrigues, and Vitor Silva 4 From Force- to Displacement-Based Seismic Design of Concrete Structures and Beyond / Michael N. Fardis 5 Seismic Assessment of Existing Irregular Masonry Buildings by Nonlinear Static and Dynamic Analyses / Sergio Lagomarsino, Daniela Camilletti, Serena Cattari, and Salvatore Marino 6 Capturing Geographically-Varying Uncertainty in Earthquake Ground Motion Models or What We Think We Know May Change / John Douglas 7 Implementation of Near-Fault Forward Directivity Effects in Seismic Design Codes / Sinan Akkar and Saed Moghimi 8 3D Physics-Based Numerical Simulations: Advantages and Current Limitations of a New Frontier to Earthquake Ground Motion Prediction. The Istanbul Case Study / Roberto Paolucci, Maria Infantino, Ilario Mazzieri, Ali Güney Özcebe, Chiara Smerzini, and Marco Stupazzini 9 Issues with the Use of Spatially Variable Seismic Ground Motions in Engineering Applications / Aspasia Zerva, Mohammad Reza Falamarz-Sheikhabadi, and Masoud Khazaei Poul 10 Bridging the Gap Between Seismology and Engineering: Towards Real-Time Damage Assessment / Stefano Parolai, Michael Haas, Massimiliano Pittore, and Kevin Fleming 11 Earthquake Geotechnics in Offshore Engineering / Amir M. Kaynia 12 The Dynamics of Rocking Isolation / Nicos Makris 13 Multistory Building Frames and Shear Walls Founded on “Rocking” Spread Footings / G. Gazetas, D. Dais, F. Gelagoti, and R. Kourkoulis 14 Seismic Design of Foundations in Difficult Soil Conditions: Examples of Solutions / Alain Pecker 15 Structural Health Monitoring for Seismic Protection of Structure and Infrastructure Systems / Oreste S. Bursi, Daniele Zonta, Emiliano Debiasi, and Davide Trapani 16 Large Scale Testing Facilities – Use of High Gravity Centrifuge Tests to Investigate Soil Liquefaction Phenomena / Gopal S. P. Madabhushi 17 Seismic Analysis and Design of Composite Steel/Concrete Building Structures Involving Concrete-Filled Steel Tubular Columns / Konstantinos A. Skalomenos, George D. Hatzigeorgiou, and Dimitri E. Beskos 18 Seismic Design of Steel Structures: New Trends of Research and Updates of Eurocode 8 / Raffaele Landolfo 19 Unreinforced Masonry Walls Subjected to In-Plane Shear: From Tests to Codes and Vice Versa / Elizabeth Vintzileou 20 Seismic Design of Bridges: Present and Future / Andreas J. Kappos 21 Technologies for Seismic Retrofitting and Strengthening of Earthen and Masonry Structures: Assessment and Application / Paulo B. Lourenço 22 Seismic Performance of a Full-Scale FRP Retrofitted Sub-standard RC Building / Alper Ilki, Erkan Tore, Cem Demir, and Mustafa Comert 23 Advances in the Assessment of Buildings Subjected to Earthquakes and Tsunami / Tiziana Rossetto, Crescenzo Petrone, Ian Eames, Camilo De La Barra, Andrew Foster, and Joshua Macabuag 24 Seismic Vulnerability of Classical Monuments / Ioannis N. Psycharis 25 What Seismic Risk Do We Design for When We Design Buildings? / Iunio Iervolino 26 The 2016–2017 Central Apennines Seismic Sequence: Analogies and Differences with Recent Italian Earthquakes / Mauro Dolce and Daniela Di Bucci 27 Eurocode 8. Evolution or Revolution? / Philippe Bisch 28 Research Needs Towards a Resilient Community / Paolo Franchin

Note: Contents 1 Introduction 1.1 Porous Material 1.2 Physical Mechanism 1.2.1 Drained and Undrained Responses 1.2.2 Time and Length Scale 1.2.3 Skempton Pore Pressure Effect 1.2.4 Effective Stress for Volumetric Deformation 1.2.5 Effective Stress for Pore Collapse 1.2.6 Fluid Storage 1.2.7 Thermoelasticity Analogy 1.2.8 Coupled Versus Uncoupled Diffusion 1.3 Poroelastic Phenomena 1.3.1 Borehole Failure 1.3.2 Mandel-Cryer Effect 1.3.3 Noordbergum Effect 1.3.4 Land Subsidence 1.3.5 Slope Stability and Fault Slippage 1.3.6 Fluid Induced Seismicity 1.3.7 Outburst of Coal 1.3.8 Hydraulic Fracturing 1.3.9 Water Wave and Seabed Interaction 1.3.10 Tidal and Barometric Efficiency 1.3.11 Biomechanics 1.3.12 Poroviscoelasticity and Anelastic Strain Recovery 1.3.13 Porothermoelasticity and Thermal Fracturing 1.3.14 Poroelastodynamics and Seismoelectric Effect 1.3.15 Swelling of Clay and Shale 1.3.16 Nanoporous Material References 2 Constitutive Equation 2.1 Physical Versus Phenomenological Approach 2.2 Stress and Strain of Porous Medium 2.2.1 Stress 2.2.2 Strain 2.3 Poroelastic Constitutive Equation 2.3.1 Isotropic Elastic Material 2.3.2 Isotropic Poroelastic Material 2.3.3 Reciprocal Work Theorem 2.3.4 Stress-Strain Relation 2.3.5 Strain-Stress Relation 2.4 Bulk Material Constant 2.4.1 Drained and Undrained Constant 2.4.2 Effective Stress Coefficient 2.4.3 Pore Pressure Coefficient 2.4.4 Storage Coefficient References 3 Micromechanics 3.1 Micromechanical Analysis 3.1.1 Solid and Pore Volumetric Strain 3.1.2 Fluid Volumetric Strain 3.1.3 Link Among Material Constants 3.2 Ideal Porous Medium 3.3 Effective Modulus 3.3.1 Mackenzie Model 3.3.2 Walsh Model 3.3.3 Budiansky and O’Connell Model 3.3.4 Bounds on Material Constants 3.4 Nonlinear Model 3.4.1 Effective Stress Dependent Pore Compressibility 3.4.2 Compaction Induced Permeability Change 3.5 Laboratory Test 3.5.1 Drained Test 3.5.2 Undrained Test 3.5.3 Unjacketed Test 3.6 Table of Poroelastic Constants References 4 Variational Energy Formulation 4.1 Internal and External Stress and Strain 4.1.1 Porosity 4.1.2 Volume and Surface Averaging of Elastic Material 4.1.3 Volume and Surface Averaging of Porous Material 4.1.4 Linkage Between Internal and External Strains 4.2 Thermodynamic Principles 4.3 Variational Formulation 4.3.1 Virtual Work 4.3.2 Internal Energy 4.3.3 Porosity Equilibrium 4.4 Constitutive Equation 4.4.1 Linear Material Model 4.4.2 Linear Model 4.5 Intrinsic Material Constant 4.5.1 Effective Solid Bulk Modulus 4.5.2 Fundamental Deformation Mode 4.5.3 Microisotropy and Microhomogeneity: Ideal Porous Medium 4.6 Link with Phenomenological Model 4.6.1 Link with Bulk Continuum Model 4.6.2 Link with Micromechanics Model 4.7 Deviation from Ideal Porous Medium 4.8 Limiting Material Properties 4.8.1 Ideal Porous Medium 4.8.2 Granular Material 4.8.3 Soil Mechanics Model: Saturated 4.8.4 Soil Mechanics Model: Nearly Saturated 4.8.5 Highly Compressible Solid 4.8.6 Highly Compressible Fluid 4.9 Material Stability and Energy Diagram 4.10 Semilinear Model 4.10.1 Geometric Nonlinearity 4.10.2 Structural Nonlinearity 4.11 Laboratory Measurement of Intrinsic Constant References 5 Anisotropy 5.1 Anisotropic Constitutive Equation 5.1.1 Elasticity 5.1.2 Poroelastic Stress-Strain Relation 5.1.3 Poroelastic Strain-Stress Relation 5.2 Material Symmetry 5.2.1 Orthotropy 5.2.2 Transverse Isotropy 5.2.3 Isotropy 5.3 Micromechanics 5.4 Ideal Porous Medium 5.5 Example References 6 Governing Equation 6.1 Darcy’s Law 6.1.1 Darcy’s Empirical Law 6.1.2 Homogenization Theory 6.1.3 Intrinsic Permeability and Mobility Coefficient 6.1.4 Irreversible Thermodynamics Process 6.2 Other Physical Laws 6.2.1 Mass Conservation 6.2.2 Force Equilibrium 6.3 Governing Equation 6.3.1 Navier-Cauchy Equation 6.3.2 Diffusion Equation 6.3.3 Compatibility Equation 6.3.4 Harmonic Relation 6.3.5 Orthotropy 6.3.6 Transverse Isotropy 6.4 Degenerated Governing Equation 6.4.1 Drained and Undrained State 6.4.2 Soil Mechanics Model 6.4.3 Irrotational Displacement Field 6.4.4 Uncoupling of Diffusion Equation 6.5 Boundary Value Problem 6.5.1 Existence and Uniqueness 6.5.2 Boundary Condition 6.6 Field Equation 6.6.1 Biot Function 6.6.2 Biot Decomposition 6.6.3 McNamee-Gibson Displacement Function References 7 Analytical Solution 7.1 Review of Early Work 7.2 Uniaxial Strain 7.2.1 Isotropy 7.2.2 Transverse Isotropy 7.3 One-Dimensional Consolidation Problem 7.3.1 Terzaghi’s Consolidation Problem 7.3.2 Loading by Fluid Pressure 7.3.3 Variable Rete Loading 7.3.4 Harmonic Excitation 7.4 Plane Strain 7.4.1 Orthotropy 7.4.2 Isotropy 7.4.3 Volumetric Strain and Rotation Formulation 7.5 Generalized Plane Strain 7.5.1 Definition of Generalized Plane Strain 7.5.2 Pure Shear 7.5.3 Warping 7.5.4 Torsion 7.5.5 Plane Strain 7.5.6 Axial Strain 7.5.7 Pure Bending 7.6 Pure Bending of Plate 7.6.1 Bending of Cantilever Plate 7.6.2 Buckling of Axially Loaded Plate 7.7 Mandel Problem 7.8 Water Wave Over Seabed 7.9 Spherical Symmetry 7.10 Cryer Problem 7.11 Spherical Cavity 7.11.1 Pressurized Cavity 7.11.2 Excavated Cavity 7.11.3 Pore Pressure Meter Problem 7.12 Axial Symmetry 7.13 Cylinder Problem 7.13.1 Solid Cylinder 7.13.2 Hollow Cylinder 7.14 Borehole Problem 7.14.1 Plane Strain Borehole Problem 7.14.2 Inclined Borehole Problem 7.15 Borehole and Cylinder Application Problems 7.15.1 Retrieval of Cylindrical Core 7.15.2 Excavated Borehole 7.15.3 Fluid Extraction and Injection 7.15.4 Borehole Breakdown Pressure 7.15.5 Borehole Stability Analysis 7.16 Moving Load on Half Plane 7.17 Plane Strain Half Space and Layered Problem 7.17.1 General Solution for Layered Problem 7.17.2 Plane Strain Half Space Problem 7.18 Axial Symmetry Half Space Problem References 8 Fundamental Solution and Integral Equation 8.1 Reciprocal Theorem 8.1.1 Green’s Second Identity 8.1.2 Betti-Maxwell Reciprocal Theorem 8.1.3 Reciprocal Theorem of Poroelasticity 8.2 Somigliana Integral Equation 8.2.1 Green’s Third Identity 8.2.2 Elasticity 8.2.3 Poroelasticity 8.3 Fredholm Integral Equation 8.3.1 Potential Problem 8.3.2 Elasticity 8.3.3 Poroelasticity 8.4 Stress Discontinuity Method 8.5 Displacement Discontinuity Method 8.6 Dislocation Method 8.7 Galerkin Integral Equation 8.8 Fundamental Solution 8.8.1 Elementary Fundamental Solution 8.8.2 Elasticity Fundamental Solution 8.9 Poroelasticity Fundamental Solution 8.10 Fluid Source 8.10.1 Continuous Source 8.10.2 Instantaneous Source 8.11 Fluid Dipole 8.11.1 Continuous Dipole 8.11.2 Instantaneous Dipole 8.12 Fluid Dilatation 8.12.1 Continuous Fluid Dilatation 8.12.2 Instantaneous Fluid Dilatation 8.13 Fluid Force 8.13.1 Continuous Fluid Force 8.13.2 Instantaneous Fluid Force 8.14 Fluid Dodecapole 8.15 Total Force 8.15.1 Continuous Total Force 8.15.2 Instantaneous Total Force 8.16 Solid Quadrupole and Hexapole 8.17 Solid Center of Dilatation 8.18 Displacement Discontinuity 8.19 Edge Dislocation 8.20 Fundamental Solution Relation Based on Reciprocity References 9 Poroelastodynamics 9.1 Dynamic Equilibrium Equation 9.2 Dynamic Permeability 9.3 Governing Equation 9.4 Wave Propagation 9.4.1 Elastic Wave 9.4.2 Poroelastic Wave 9.5 Phase Velocity and Attenuation 9.5.1 Phase Velocity 9.5.2 Attenuation 9.5.3 Extended Biot Models 9.6 One-Dimensional Wave Problem 9.6.1 Half Space 9.6.2 Finite Thickness Layer 9.7 Thermoelasticity Analogy 9.8 Poroelastodynamics Fundamental Solution 9.8.1 Elastodynamics Fundamental Solution 9.8.2 Helmholtz Decomposition 9.8.3 Three-Dimensional Point Force Solution 9.8.4 Three-Dimensional Fluid Source Solution 9.8.5 Two-Dimensional Fundamental Solution 9.9 Integral Equation Representation 9.10 Plane Wave Reflection and Refraction 9.10.1 Plane Strain Wave Solution 9.10.2 Reflection on Free Surface—Non-Dissipative Medium 9.10.3 Reflection on Free Surface—Dissipative Medium 9.10.4 Impermeable Surface 9.10.5 Fluid and Porous Medium Interface References 10 Poroviscoelasticity 10.1 Viscoelasticity 10.1.1 Spring and Dashpot Model 10.1.2 Correspondence Principle