Technical Specifications

E8879.01-119-19
Page 12 of 15
4.6 Test Results (Continued)
Specimen No. 3 of 3
Test No. 1 - Test Date: 10/20/15
Design Load: 50 lb / 1 Square ft of In-Fill at Center of Two Pickets
Load Level
Test Load
(lb)
E.T.
(min:sec)
Result
125 lb
(2.50 x D.L.)
125 - 127
00:30 - 01:38
Sustained load equal to or greater
than 125 lb for one full minute
without failure
Test No. 2 - Test Date: 10/20/15
Design Load: 50 lb / 1 Square ft of In-Fill at Bottom of Two Pickets
Load Level
Test Load (lb)
E.T. (min:sec)
Result
125 lb
(2.50 x D.L.)
125 - 128
00:26 - 01:33
Sustained load equal to or greater
than 125 lb for one full minute
without failure
Test No. 3 - Test Date: 10/20/15
Design Load: 200 lb Concentrated Load at Mid-Span of Top Rail
Load Level
Test Load
(lb)
E.T.
(min:sec)
Displacement (in)
End
Mid
End
Net
1
200 lb
(D.L.)
200
00:37
0.02
1.27
0.20
1.16
500 lb
(2.50 x D.L.)
500 - 504
01:06 - 02:16
Result: Withstood load equal to or greater
than 500 lb for one full minute without failure
Deflection Evaluation:
Maximum rail deflection at 200 lb = 1.16 in on an 8 ft rail (93.5 in)
Limits per AC273:
ok













 1.16"2.47"
96
93.5
24
36
96
l
24
h
and
ok 1.16"3.00"
12
36
12
h
1
Each end displacement was measured at the center of the support. Net displacement was the rail displacement
relative to the supports.