bearing capacity

Technological forecast of bearing capacity and properties of contact connection of bimetallic hollow spheres under electromagnetic pulses action

The initial boundary-value problem of thermomechanics for a hollow bimetallic sphere under the action of a non-stationary electromagnetic field is formulated.

IMPORTANCE OF SOIL SHEAR STRENGTH PARAMETERS FOR OPTIMAL DESIGN OF THE BUILDING FOUNDATION

For the design foundation, it is important to know not only the structure and load of the building, but also soils properties in the subsoil. Ignoring soil properties may result in an incorrect design of foundation, which may later cause a failure in building structure, because generally known foundations function is to transfer load effects into the ground. In smaller buildings, an engineeringgeological survey is not usually carried out, but basic data on the territory is obtained from archive reports.

Investigation of properties of contact connector of bimetallic hollow cylinder under the influence of electromagnetic pulse

A plane axisymmetric dynamic problem of thermomechanics for a hollow bimetallic cylinder under a uniform non-stationary electromagnetic action is formulated. The numerical analysis of the solution of this problem for a hollow bimetallic cylinder exposed to the influence of electromagnetic pulse is carried out. The graphs of changes in the time of ponderomotive force, temperature, components of the tensor of dynamic stresses and intensity of stresses in the compound layers of a cylinder made of stainless steel and copper are presented.

ANALYSIS OF INFLUENCE OF MAIN TYPES OF DEFECTS AND DAMAGE ON THE BEARING CAPASITY OF REINFORCED CONCRETE ELEMENTS

In nowadays economic trends, there is a need in changes in the usage of buildings and structures. This usually leads to the changes loading and character of the loadings type on the building structures, with the subsequent need to assess the technical condition and the replacement or enhancement of certain elements. Also, objects, which need the reconstruction in order to be reequipped or changed it functionality, that have designs which were used under the influence of an aggressive environment or other factors which were not taken into account.

Несуча здатність комплексних конструкцій з несучими сталевими тонкостінними холодногнутими елементами

In the article the results of theoretical and experimental studies of bearing capacity of complex structures with bearing cold-formed steel thin-walled elements are presented. Determined and analyzed the parameters of complex structures that affect their work and scheme of destruction.

До питання вивчення роботи стиснутих пошкоджених залізобетонних елементів круглого перерізу

The article describes the causes and types of injuries concrete elements of circular cross section, which were in service. The principal methods of model experiment and calculation conditions such designs.

Експериментальні дослідження міцності та деформативності армокам’яних згинаних елементів

The results are given on the basis of an experimental research on firmness and deformability of normal sections of concrete beams reinforced with frameless reinforcement and rod reinforcement class A400C without prestressing. These experiments and comparing them with calculations according to current regulations give an opportunity to assess the convergence of the results and draw conclusions about the possibility of rational design of ceramic block bending elements with double reinforcement in the area of the normal forces.

Розрахунок за деформаційною моделлю залізобетонних колон, підсилених вуглецевою стрічкою

In this paper for calculation of reinforced concrete columns strengthened with carbon laminate with suggestions based on the method of calculation according to the recommendations NIISK and Sika on the basis of deformation model calculation according to regulations . To determine the additional eccentricity introduced by bending flexibility factor, which is derived using in Eurocode 2. The algorithm for calculating strengthened at the primary level loading columns.