a - width of joint
from 0 to 4 [mm]
from 5 to 9 [mm]
from 10 to 20 [mm]
from 21 to 40 [mm]
greater than 40 [mm]
b - depth of joint
increase the width of the joint
b = a
b = 10 [mm]
b = a/2[mm]
reduce the width of the joint
| a - width of joint | b - depth of joint |
|---|---|
| from 0 to 4 [mm] | increase the width of the joint |
| from 5 to 9 [mm] | b = a |
| from 10 to 20 [mm] | b = 10 [mm] |
| from 21 to 40 [mm] | b = a/2[mm] |
| greater than 40 [mm] | reduce the width of the joint |