WALL PANELS BASED ON CASSETTE PROFILES. PART 1. THEORETICAL RESEARCHES

Systems based on thin-walled galvanized profiles and effective heaters are widely used as wall fencing at present stage of development of enclosing structural systems. Wall fencing based on one-element assembly is most widespread. At the same time new solutions in the form of panels assembled from prefabricated elements are appeared. The latter in addition to technological advantages in comparison with the one-element assembly wall fencing have increased bearing capacity and rigidity. This article presents a constructive solution of a self-supporting wall panel based on cassette profiles and deck profiled sheets, combined into a single spatial structural system. The purpose of the work was to scientifically justify and experimentally confirm the operability of a new structural solution of the panel based on the cassette profile. The object of the study is a wall fence (panel) based on such profiles. Research methods: numerical and analytical methods, experimental studies of the full-scale model, graphical analysis. The article consists of two parts. The first part is devoted to the description, analysis and justification of the design of the wall panel and to the study of the deformed state of the cassette profile and the assessment of the resistance and stiffness of the wall panel based on the calculation method. The second part reflects the results of experimental studies of the panel and its components, and implements a design procedure based on tests.

thin-walled profiles, cold-formed profiles, effective cross-sectional characteristics, supercritical plate operation, loss of local stability, loss of stability of the cross-section shape