ANALYSIS OF CALCULATION REGULATION METHODS IN STEEL COMBINED TRUSSES

Myron Ноhоl, Lviv Polytechnic National University, Department of Building Production, Ivan Peleshko, Oleksii Petrenko, Dmytro Sydorak, Lviv Polytechnic National University, Department of Building Production, Lviv Polytechnic National University, Department of Building Production, Lviv Polytechnic National University, Department of Building Production
2021 Theory and Building Practice  
The article is devoted to the calculated regulation of the stress deformation state (SDS) of combined steel trusses, which allows to reduce the efforts in some sections of the structure by increasing the efforts in other and design evenly stressed structures as the most rational systems. It is shown that the calculated method of SDS regulation makes it possible to reduce steel consumption by up to 34%. Four methods of calculated SDS regulation are proposed. The advantages of combined structures
more » ... are given: the concentration of materials and the possibility of designing them as low-element. As shown in the example, for the quantitative criterion of quality it is possible to use rationally the maximum potential energy of deformation. Dependences for calculation of the maximum potential energy of compressed stretched, and compressed-bent elements of rod-bearing steel structures are given.
doi:10.23939/jtbp2021.01.064 fatcat:rxiszygpqfaptg7dj5ila4bylu