Proceedings of FORM 2021: Construction The Formation of Living Environment (Lecture Notes in Civil Engineering, 170)

This book gathers the latest advances, innovations, and applications in the field of environmental and construction engineering, as presented by international researchers at the XXIV International Scientific Conference "Construction: The Formation of Living Environment", held in Moscow, Russia on April 22-24, 2021. It covers highly diverse topics, including sustainable innovative development of the construction industry, building materials, reliability of buildings and constructions and safety in construction, modelling and mechanics of building structures, engineering and smart systems in construction, climate change and urban environment. The contributions, which were selected by means of a rigorous international peer-review process, highlight numerous exciting ideas that will spur novel research directions and foster multidisciplinary collaborations. Contents Modern Building Materials Viscoelastic Vibrations of a Layered Composite with Internal Friction 1 Introduction 2 Problem Specification and Decision 2.1 Viscoelastic Layered Material 2.2 Viscoelastic Layered Material with Internal Kelvin-Voigt Friction 2.3 Visco-elastic Layered Material with Fractional Internal Kelvin-Voigt Friction 3 Conclusions References Vibration Damping Problems for Some Models of Viscous Fluids 1 Introduction 2 Problem Specification and Decision 3 Conclusions References Calculation of Retention Profiles in Porous Medium 1 Introduction 2 Mathematical Models 3 Numerical Calculation 4 Discussion 5 Conclusions References Mechanical and Durability Properties of High-Performance Concrete in Corrosive Medium of Vietnam 1 Introduction 2 Materials and Methods 2.1 Materials 2.2 Mix Proportions and Casting of Specimens 2.3 Experimental Methods and Instrumentation 2.4 Durability Test 3 Results and Discussion 3.1 Impact of Mineral Material on Properties of Concrete 3.2 Mechanical Properties of HPC 3.3 Durability of Hardened Concrete in Corrosive Environment Aggressive 3.4 Water Permeability and Water Absorption of Concrete 4 Conclusions References Modifying Heracleum sosnowskyi Stems with Monoethanolamine(N→B)-trihydroxyborate for Manufacturing Biopositive Building Materials 1 Introduction 2 Methodology 3 Results and Discussion 4 Conclusions References Phase Content of Plasticized Cement Systems in the Early Stages of Heat-Moisture Treatment 1 Introduction 2 Methods 3 Results and Discussion 4 Conclusions References Plasticizer Type Influence on HCP Radiation Resistance 1 Introduction 2 State of the Issue and Research Methods 3 Results 4 Discussion 5 Conclusions References Properties of Epoxy Composites with Halloysite Nanotubes Subjected to Tensile Testing 1 Introduction 2 Methods 3 Results and Discussion 4 Conclusions References Effect of Liquid-to-Alumino-Silicate Material Ratio and Rice Husk Ash Content on the Properties of Geopolymer Concrete 1 Introduction 2 Materials and Experimental Methods 2.1 Material Properties 2.2 Methods of Test 2.3 Sample Preparation 3 Results and Discussion 4 Conclusions and Future Work References Composite Forming by the Method of Prestressing of Carbon Unidirectional Tape 1 Introduction 2 Materials and Equipment 3 The Carbon Tape Structure in the Composite 3.1 Preparation and Testing 3.2 Results of Prestress Relief from Carbon Composite 4 Conclusions References Influence of Superplasticizer and Silica Fume on the Structure Formation and Properties of Cement Stone 1 Introduction 2 Methods 3 Results and Discussion 3.1 Normal Consistency and Setting Time of Cement Paste 3.2 Physical and Mechanical Properties of Cement Stone 3.3 Phase Composition of Cement Stone 4 Conclusions References Cellular Structure Formation of Composite Materials 1 Introduction 2 Materials and Methods of Research 3 Results and Discussion 3.1 Formation of Foam from Salt Solutions 3.2 Porization of Composite Magnesia Materials 3.3 Stimulating Porization and Hardening of Composite Materials 4 Conclusions References Mechanical Properties of Butyl Rubber Composites with Microspheres Under Cyclic Loading 1 Introduction 2 Methods 2.1 Materials 2.2 Preparation of Composites 2.3 Measurements 3 Results 3.1 Density 3.2 Monotonic Tensile Tests 3.3 Repetitive Cyclic Tensile Tests 4 Discussion 5 Conclusions References Reliability of Buildings and Constructions and Safety in Construction Experimental and Theoretical Studies of the Concrete Static-Dynamic Stress–Strain Curves 1 Introduction 2 Concrete Deformation Model 3 Numerical Analysis 4 Conclusions References Simulation of Effects the Degree of Water-Saturation on Stress–Strain State 1 Introduction 2 Methods 2.1 Model Linear Elastic 2.2 Model Mohr–Coulomb 2.3 Model Hardening Soil 2.4 Model UBC3D-PLM 3 Simulation of Model 4 Results 5 Conclusions References Modelling and Mechanics of Building Structures Elastic–Plastic Equilibrium of a Hollow Ball Made of Inhomogeneous Ideal-Plastic Material 1 Introduction 2 Statement of the Problem 3 Derivation of Resolving Equations 4 The Appearance of Plastic Deformations on the Inner Ball Surface ( rT = a ) 5 The Appearance of Plastic Deformation Inside the Ball ( a