Selected peer-reviewed full text papers from the XXX Russian-Polish-Slovak Seminar Theoretical Foundation of Civil Engineering (RSP 2021) Selected peer-reviewed full text papers from the XXX Russian-Polish-Slovak Seminar Theoretical Foundation of Civil Engineering (RSP 2021), September 13-18, 2021, Mosow, Russian federation

PrefaceThe Study of the Impact of Iron and Sulfur Containing Additives on the Strength Properties of Sulfur Containing BindersEvaluation of Pozzolanic Activity of Mineral Additives for Hydraulic ConcretePhysico-Mechanical Foundations of Theoretical and Engineering Investigation on the Development to Corrosion-Resistant Materials in Buried Structures of Coastal ZonesForecast of the Durability of Shore Structures Made of Reinforced ConcreteCellular Concretes with an Anisotropic Structure at the Stage of Forming the ProductPossibility of the Use of Ground Glass Break in the Production of Aerated ConcreteRelevance and Efficiency of Using Nanosized Particles in Structuring Cement PastesExpanding Hydrogel Aggregate for Self-Compacting ProductsBehavior of Basalt Fibers in an Alkaline EnvironmentInfluence of Calcium Stearate Ca(C18H35O2)2 on the Properties of Fine-Grained ConcreteCombined Heat Treatment Method for Producing of Ultra-High Performance ConcreteConceptual Framework for Optimizing the Dispersed Composition of Cement SystemsMethods of Modeling Contact between Concrete and Fiber ConcreteAn Effect of Sands of Different Grades on Structural and Mechanical Properties of Sand ConcreteStiffness Modulus of Aged Asphalt MixturesNanoscale Control of Hydrated Portland Cement StructureProduction of Phenolic Foams Based on Phenol-Formaldehyde Oligomers of Reduced Toxicity and Material ConsumptionResearch of the Possibility of Creation of a Multipurpose Complex Additive for Dry MixturesProperties of Samples from Polymer Materials Manufactured by the Additive MethodBulk Modules of Three-Phase Composites with Spherical InclusionsCorrosion-Resistant Cements