 |
| ||||||||||||||||||||||||||||||||||||
|
s |
= |
tread width |
|
B |
= |
staircase width (width of stairs) |
|
c |
= |
length between the front edges of the step surfaces, measured in the stair inclination |
|
d1 |
= |
floor thickness of the bottom landing |
|
d2 |
= |
floor thickness of the top landing |
|
GL |
= |
stairwell length |
|
hu |
= |
height of the perpendicular string bottom |
|
hw |
= |
string height |
|
L |
= |
flight length |
|
Lh |
= |
flight height |
|
l |
= |
flight line |
|
Lw |
= |
length of the posts for the string |
|
m |
= |
ratio of rise and tread |
|
na |
= |
number of treads |
|
ns |
= |
number of rises |
|
Sm |
= |
step size |
|
s |
= |
height of rise (treads) |
|
sg |
= |
height of rise chosen (assumed) |
|
u |
= |
false tread |
|
Wd |
= |
string thickness |
 |
