Experimental studies of the strength of masonry under axial and local compression

Кам'яна кладка –це традиційний будівельний матеріал, який продовжує відігравати значну роль у сучасному цивільному та промисловому будівництві. Визначення її міцнісних характеристик, особливо при с...

Strength investigation of adgesive joints between concrete and steel

Approbation of the express penetration method for assessing the strength of sedimentary cohesive rocks

The advantages of express methods of penetration and probing for evaluating the mechanical parameters of cohesive sedimentary rocks over traditional methods of testing them in single-plane displace...

Correlation equation between physical and mechanical properties of sedimentary rocks

The results of parallel experimental studies of the physical and mechanical properties of sedimentary rocks of natural structure, including their penetration tests, are presented. The possibility o...

Strength of fiber concrete (concrete) under local compression according to the theory of plasticity and experimental studies

Local compression of concrete is often implemented in supporting joints of reinforced concrete structures. As a strength calculation method for this case, a variational method in the theory of plas...

Use of the design reinforced concrete strength in solving practical strength problems

The paper presents a generalized deformation model for the calculation of reinforced concrete structures, which is considered as composite material formed of reinforcement and concrete. On this bas...

Technological solution of oil and gas waste disposal

Technological solutions for the construction of sludge barns at the Pereschepynskoye deposit are considered and analyzed. The authors proposed to arrange a monolithic vertical anti-filtration curta...

Strength analysis of reinforced concrete in a closed space of a metal pipe

The concrete strengthening coefficient calculating method of concrete-filled steel tubular members at axial compression based on the plasticity theories by Saint-Venant and Huber-Mises-Genk. This m...

Investigation of the resistance of protective plates of high-strength concrete with dynamic impact

In the article are given the results of the test of dynamic action of protective steel-reinforced concrete slabs. The results have been confirmed, and proved the feasibility and expediency of appli...

Influence of fly ash and slags of boiler with circulating fluidized bed on properties of concrete

The properties of fly ash and slag of boilers with circulating fluidized bed are under consideration. In the Donetsk region several new generations of boilers are operating, permitting to burn the ...

Application of effective microorganisms in soil-cement mixtures

This paper provides a research data on the impact of effective microorganisms on the physic and mechanical properties of soil-cement mixtures and stone. Deep soil mixing technology considered to be...

Substantiation of schematic and structural solutions of the main elements of biogas plant for the disposal of fallen leaves

The peculiarities of biogas technology application in the falling leaves utilization plants are analyzed and the application of soil cement is proposed to create the basic elements of such plants. ...

Strength design method of reinforced concrete beam elements along an inclined crack on the transverse forces and bending moments joint action

The forces scheme in the reinforced concrete elements inclined section is proposed under the transverse forces and bending moments joint action. The diagram shows the transverse and longitudinal fo...

Bearing capacity and deformability of three-component steel reinforced concrete constructions made of lightweight concrete

The article contains the study of strength and deformability of three-component steel-reinforced concrete structures made of a thinwalled steel shell, light concrete and rigid reinforcement in the ...

Influence of molybdenum on corrosion and mechanical properties of carbon steel joint welds

The results of experimental studies of the molybdenum impurity influence on corrosion and mechanical properties of carbon steel (Grade 20) joint welds are presented in the article. In particular, i...

Calculation of reinforced concrete members strength by new concept

The paper presents a generalized deformation model for the calculation of building structures made of reinforced concrete, which is considered as composite material formed of reinforcement and conc...

Concrete and reinforced concrete strength under action of shear, crushing and punching shear

Sufficiently general technique for calculating strength based on mathematical concrete plasticity theory apparatus, variational method with virtual velocities principle application, discontinuous s...

Experimental and Theoretical Testing Results of Reinforced Concrete Columns under Biaxial Bending

The experimental tests data of reinforced concrete columns of a rectangular profile made of heavy concrete on biaxial bending with axial force are presented. The inclination angle of the external l...

Strength calculation of normal section eccentrically compressed reinforced concrete column using deformation model

Example of calculating normal section strength eccentrically compressed reinforced concrete column is presented in the work. The author used in the calculation of deformation models DBN B.2.6 - 98...

Strength Design of Compressed Reinforced Concrete Elements by Deformation Method Based on Extreme Criterion

Investigations of the normal sections strength of compressed elements using a deformation method were performed. The shape of the section, the class of concrete and the percentage of reinforcement ...

Experimental Study on the Multikeyed Joints of Concrete and Reinforced Concrete Elements

The connections ensure teamwork under the load of buildings and structures bearing elements. Joints distraction leads to a change in the structures support conditions and their design schemes. Keye...

Monitoring of the soil-cement piles buildings settlements

In the paper it is discussesed new experimental and theoretical developments on soil- cement pile produced by drilling-mixing method. The biggest focus were made on field samples and full scale tes...

Experimental testing results of reinforced concrete beams under biaxial bending

The experimental tests data of reinforced concrete beams of a rectangular profile made of heavy concrete on pure biaxial bending are presented. The inclination angle of the external load plane to t...

Multistory framed buildings wsth slab cast over precast joists: recommendations for designing concrete elements key joints

The role of joints which are used to provide interoperability of separate elements in prefabricated monolithic frame design systems with flat slabs was researched. Special attention is paid to key ...