Theoretical research into spatial work of a steel-reinforced-concrete statically indeterminate combined structure
Journal Title: Восточно-Европейский журнал передовых технологий - Year 2018, Vol 5, Issue 7
Abstract
<p>The constructed mathematical model and the developed algorithm for spatial calculation of combined steel-reinforced-concrete truss systems make it possible to determine parameters of the stressed-strained state in the structures' elements. It is proven that the built mathematical model satisfies three groups of conditions: equilibrium; compatibility of deformations that link deformations and displacements; physical conditions that link efforts and deformations. Owing to the devised procedure, we performed theoretical calculations to establish the actual diagrams "bending moment ‒ deflection", "longitudinal force ‒ deflection" depending on the magnitude and place of application of external load. The derived equalities that determine coefficients for the unknowns in a system of linear algebraic equations include the topology parameters and strength characteristics of the structures' elements. That has allowed us to search, within the framework of the developed algorithm, for a minimum of the objective function of the equally-stressed state in the elements of a spatial structure.</p>We investigated theoretically the strength and deformability of truss steel reinforced concrete structures for symmetrical and asymmetrical loads, taking into consideration the phased operation of the system. Employing an iterative search for a minimum of the objective function of the equally-stressed state at cross sections of the spatial structure's elements has helped establish a decrease in the normal stresses compared to the structures of other type. The results obtained made it possible to design actual construction structures. Therefore, there is reason to assert the practical significance of the constructed mathematical model and the developed algorithm, which were applied when designing the new, and recalculating existing, combined steel-reinforced-concrete truss systems
Authors and Affiliations
Ivan Ivanyk, Svitlana Vikhot, Yuriy Vybranets
Keywords
Related Articles
- EP ID EP528193
- DOI 10.15587/1729-4061.2018.143023
- Views 68
- Downloads 0
Development of formulations for sponge cakes made from organic raw materials using the principles of a food products safety management system
<p>To control the safety of sponge cakes made from organic raw materials in line with the HACCP principles, we have developed two sample sponge cakes "Winter delight" and "Exotic". To make the semi-finished sponge cake "...
Examining the effect of production conditions at territorial logistic systems of milk harvesting on the parameters of a fleet of specialized road tanks
<p class="a"><span lang="EN-US">We have studied the influence of changing production conditions and components of transportation processes on the need in specialized vehicles in the milk harvesting systems. Based on the...
Results of research into technological process of fruit drying in the solar dryer
<p class="2CxSpFirst">The work addresses the issue of solving a scientific-applied task on the substantiation of operation modes of the solar fruit dryer in order to improve energy efficiency of the technological process...
Iterative hard-decision decoding of combined cyclic codes
<p>We propose error correction iteratively decodable cyclic codes (IDCC) that consist of two cyclic Hamming codes with different generator polynomials. As a mathematical apparatus, we apply the theory of linear finite-st...
Development of a spatialdynamical model of the structure of clumps of toxic cyanobacteria for biosafty purposes
<p class="a">We have devised a spatialdynamic model that describes the structure of clusters of toxic cyanobacteria over large water areas. The application of the constructed model has been demonstrated in order to iden...