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Experimental study of the physical model of a monolithic reinforced concrete floor with steel profiled flooring in two directions

Keywords:

N.G. Gonshakov – Ph.D.(Eng.), Associate Professor, Department of Building Constructions, Vladimir State University named after A.&N. Stoletovs
E-mail: granit-proekt@mail.ru
A.G. Gonshakov – Ph.D.(Econ.), Associate Professor, Department of Building Constructions, Vladimir State University named after A.&N. Stoletovs
E-mail: granit-proekt@mail.ru
M.V. Lukin – Ph.D.(Eng.), Associate Professor, Department of Building Constructions, Vladimir State University named after A.&N. Stoletovs
E-mail: lukin_mihail_22@mail.ru
M.S. Lisyatnikov – Ph.D.(Eng.), Associate Professor, Department of Building Constructions, Vladimir State University named after A.&N. Stoletovs
E-mail: mlisyatnikov@mail.ru


Modeling of building structures is one of the methods of research and design of building structures. To study the effect of constructive orthotropy on the operation of overlapping and coating plates, checking the proposed method for their calculations, experimental studies on models were carried out.
When testing the models, the following tasks were set:
to obtain a picture of the change in the stress-strain state of models under the action of a uniformly distributed load;
confirm the reliability of theoretical studies on the proposed method of calculation by comparing the results of the experiment and calculating models;
get a diagram of the broken plate and determine the actual bearing capacity;
compare how the stiffness varies along and across the edges of the profiled flooring in a given slab during the loading process.
To obtain reliable data, experimental studies were carried out on five models (P-1 to P-5). The number of models was taken in accor-dance with the calculation to ensure the reliability of the readings of 0.95 with a coefficient of variation of 0.1 with an accuracy of in-dications up to 0.05. To ensure correspondence between models emitting the work of full-scale structures before destruction, their prototypes met the requirements of simple similarity.
Models were a geometric similarity of future natural designs.

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