10B. DIMENSIONING PART 2/4

CHAPTER 10B 'DIMENSIONING' 87 In the Reinforcements field, the longitudinal reinforcement resulting from the calculation of the Flat Plates in the area of the selected column is specified. With the Automatic selection the longitudinal reinforcement is taken into account: • Upper for positive (+DN) (e.g. top floor slab) • Down for DN negative (-DN) (e.g. foundation) The External X or Y option determines the direction of the external reinforcement in the longitudinal reinforcement grid the slab (either upper or lower grid). The Coefficient b for the calculation of Perforation can be calculated automatically in two ways: Ā Automatic approximate or Ā Automatic theorist. The Approach mode is a function of the position of the loaded surface and ax, ay. The Theoretical mode is a function of Torques My, Mz. The User option allows you to enter any value for Coefficient b. Finally, in the Arborization field you define the type of arrangement of the perforation reinforcement by choosing between Radial and Cruciform. For the Radial array you also set the Number of rays per quadrant. The figure below shows a quadrant of the radial array in the black box. The initial perimeter has 3 armature spokes, while the third perimeter becomes thickening to 5 spokes due to restrictions on the distances between the reinforcement strands. ScadaPro automatically checks whether the spacing constraints are met at the first perimeter and increases the number of reinforcement spars where required (even at the first perimeter if the number of spars selected by the user is not sufficient).