| |
|
| Type (A) |
| Maximum Allowable Spans ( Purlin Spacing
) Based on Maximum Allowable Defeliction = L/200 |
|
| SECTION
PROPERTIES |
| T |
|
Y |
|
I |
|
Z |
| mm |
|
mm |
|
Cm4 |
|
Cm3 |
| 0.4 |
|
11.11 |
|
8.85 |
|
3.04 |
| 0.5 |
|
11.11 |
|
11.07 |
|
3.80 |
| 0.7 |
|
11.11 |
|
15.49 |
|
5.30 |
|
| LOADS
Kg/m2 |
| 50 |
|
100 |
|
150 |
|
200 |
| Maximum Allowable Purlin Spacing
(cm) |
| 290 |
|
230 |
|
200 |
|
180 |
| 320 |
|
250 |
|
220 |
|
200 |
| 360 |
|
280 |
|
250 |
|
220 |
|
|
|
 |
| |
|
| Type (B) |
| Maximum Allowable Spans ( Purlin Spacing
) Based on Maximum Allowable Stresses |
|
| SECTION
PROPERTIES |
| T |
|
Y |
|
I |
|
Z |
| mm |
|
mm |
|
Cm4 |
|
Cm3 |
| 0.4 |
|
11.11 |
|
8.85 |
|
3.04 |
| 0.5 |
|
11.11 |
|
11.07 |
|
3.80 |
| 0.7 |
|
11.11 |
|
15.49 |
|
5.30 |
|
| LOADS
Kg/m2 |
| 50 |
|
100 |
|
150 |
|
200 |
| Maximum Allowable Purlin Spacing
(cm) |
| 170 |
|
120 |
|
100 |
|
80 |
| 190 |
|
130 |
|
110 |
|
90 |
| 230 |
|
160 |
|
130 |
|
110 |
|
|
|
 |
| |
|
| Type (B) |
| Maximum Allowable Spans ( Purlin Spacing
) Based on Maximum Allowable Defeliction = L/200 |
|
| SECTION
PROPERTIES |
| T |
|
Y |
|
I |
|
Z |
| mm |
|
mm |
|
Cm4 |
|
Cm3 |
| 0.4 |
|
11.11 |
|
8.85 |
|
3.04 |
| 0.5 |
|
11.11 |
|
11.07 |
|
3.80 |
| 0.7 |
|
11.11 |
|
15.49 |
|
5.30 |
|
| LOADS
Kg/m2 |
| 50 |
|
100 |
|
150 |
|
200 |
| Maximum Allowable Purlin Spacing
(cm) |
| 220 |
|
170 |
|
150 |
|
140 |
| 240 |
|
190 |
|
160 |
|
150 |
| 260 |
|
210 |
|
180 |
|
190 |
|
|
|
|
| |
|
