Free service calculation of building materials|
| |||
| Dimensions rafters Gable roof Abat-vent Mansard Strip foundation Baseplate Pit excavation Composition of concrete Lumber Fittings Straight stairs Staircase with a rotation of 90 Stairs with rotary stages Staircase with sweeps 180 Spiral staircase Wall materials Floor materials Proceedings of the fence Floor coverings |
|
HelpCalculation of spiral staircases.The length of steps in the spiral staircases should not be less than 80 cm Step width in the central part should be no less than 20-25 cm at the widest part - no more than 40 cm Spiral staircase step height can be greater than the height recommended for mid-flight of stairs. Normal step height for FLOATING is 16 cm for screw - 18 cm In the place where the leg begins, step spiral staircase to be about 25-30 cm, on the edge - no less than 30-35 cm The depth level is quite convenient. Then foot man will be on stage in full, not hanging over the edge.  Step size spiral staircases.h - length of the stage W1 - step width in the widest part of W2 - width of the workpiece stage α - bank angle step | |
|
|
|
| © 2007 - 2012 |