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Calculation of the shells of the transfer of gentle water direction.

  • December 18, 2018

The difficulties arising in the calculation of the shells are well known, but attention to the issues of the design of the shells continuously increases both in research and engineering circles, and among builders erecting the shell.

The reason for this is the high economic indicators of the shells. Currently, they are used to overlapping areas up to 40×60 m or more in terms.

As contour elements, arches with puffs, sprinkic or dismantling farms are taken. As a result of the calculation, tangential and bending stresses in the shell, as well as efforts in on -board elements should be determined. In addition to evenly distributed load from its own weight, snow or wind, the shell, as a rule, perceives the loads from crane or monorails or other technological equipment.

Most often, reinforced concrete gentle shells of positive Gaussian curvature on a rectangular plan are used. The calculation of such shells according to the non -humorous theory, taking into account the regional effect or even on the moment theory, but provided that the absolute stiffness (in its plane) of contour elements can lead to a distorted picture of the distribution of stresses and movements in the shell, especially near the contour of the shell. The solution of the contact problem of interfering the shell with on -board structures was carried out by the Mileykovsky and. E. and Vasiliev b. WITH., Pavilineen in. I. and the mixed method of Bartenev in. WITH., Moreover, the general moment theory is considered in, but in relation to the smooth shell. The regional conditions provide for ideal transverse diaphragms (absolutely tough in their plane and absolutely supple from the plane).

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