Spiral staircase-a dimension chhiar dan

Spiral staircase hmanga chhut dan

Dimension mamawh te chu tarlang rawh

H - Ladder san zawng a ni
D1 - pawn lam diameter a ni
D2 - A chhung lam diameter
C - Step awm zat
Z - Step thickness a ni
A - angle a awm a

kawhhmuh

Spiral staircase-a step sei zawng chu cm 80 aia tlem lo tur a ni.
A laiah chuan step zau zawng chu cm 20-25 tal a ni tur a ni a, a zau ber - cm 40 aia tam lo tur a ni. Spiral staircase step san zawng chu mid-flight stairs-a san zawng rawt aia sang a ni thei. Mid-flight stairs tan chuan step san zawng pangngai chu 16 cm a ni a, spiral stairs tan chuan - 18 cm a ni.

Ke pen na hmunah chuan spiral staircase step chu cm 25-30 vel a ni tur a ni a, a sir zawng zawngah - cm 30-35 aia tlem lo. Chutiang step depth chu a awlsam khawp ang.

Spiral staircase-a step hrang hrangte dimension.

h - step sei zawng a ni
W1 - step zau zawng chu a zau berna hmunah a awm
W2 - step blank a zau zawng
α - design step angle a ni