Engineering Report


TESTING
 INSPECTION
 ENGINEERING
2118 Rheem Drive, Pleasanton, CA 94588  Phone [phone]  Fax [phone]
4770 Duckhorn Drive, Sacramento, CA 95834  Phone [phone]  Fax [phone]
One Embarcadero Center, Suite 535, San Francisco, CA 94111  Phone [phone]  Fax [phone]
246 30
th
St., Suite 101, Oakland, CA 94601  Phone [phone]  Fax [phone]
CONSTRUCTION
TESTING SERVICES
Lateral (Perpendicular to rafter)
Figure 7: Lateral Perpendicular to Rafter Eccentric Load
Sample
Number
L
-
Foot
Rafter
Specific
Gravity
at
Moisture
Test
Rafter
Moisture
Content
[%]
Peak
Load
[lbs]
Deflection
at Peak
Load [in]
Failure Mode
1
Unirac
0.500
12.3
351
1.3575
*see note below
2
Unirac
0.508
11.8
360
2.8407
Post Crushing (Al Ductile) / Steel
Bolt Fractured (Steel Failure)
3
Unirac
0.552
12.0
398
3.3868
Post Crushing (Al Ductile) / Steel
Bolt Fractured (Steel Failure)
4
Unirac
0.478
12.0
362
0.4853
*see note below
5
Unirac
0.532
12.0
403
0.6180
*see note below
6
Unirac
0.513
12.4
390
3.8326
Post Hub Ruptured (Al Brittle)
Average
377
* Test terminated prior to failure. Test fixture was about to come into contact with L-foot. No
failure mode visible upon termination of the test.
Applied
Load