|
COMPRESSION STRENGTH AT THE END OF ONE HOUR: |
||
| Cube No. | Area in Sq. In. | Lbs. Load at Failure |
|
1
2 3 |
4.00
4.00 4.00 |
17,270
16,920 18,440 |
| COMPRESSION STRENGTH AT THE END OF 7 DAYS: | ||
|
4
5 6 |
4.00
4.00 4.00 |
33,650
32,220 31,550 |
| DIRECT TENSION PULL: | |||
| Bolts were anchored in specimens of the ROCKITE and load applied until failure occurred. | |||
| Specimen No. | Setting Time | Total Load (lbs) | Type Failure |
|
1
1 |
1 hour
1 hour |
19,800
19,750 |
Broke srrounding concrete. Fixture broke...ROCKITE still intact |
| COMPARISON TESTS: | ROCKITE CEMENT | IRON BEARING PORTLAND CEMENT |
|
SETTING TIME: |
20 - 30 minutes | 4 - 8 hours |
|
COMPRESSION STRENGTHS: |
||
|
In 60 mins.- In 24 hours- In 7 days- |
4600 p.s.i
5000 p.s.i. 8000 p.s.i. |
0 p.s.i.
2450 p.s.i. 5500 p.s.i. |
|
LINEAR MOVEMENT: |
Positive expansion, .18% controlled | Expands or shrinks |
|
MOVEMENT WITH TIME: |
Completely stable for all practical purposes | Continued expansion sufficient to cause self-destruction |
|
CONTAINS RUST PROMOTING AGENTS WHICH ATTACK METALS: |
No | Yes |
|
CONSISTENCY: |
Sufficiently fluid to be self-levelling | Must be vibrated to achieve levelling |
|
WEIGHT OF DRY MIX NEEDED TO PRODUCE 1 CUBIC FOOT (Yield) |
92 pounds | 140 pounds |
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TABLE FOR ESTIMATING QUANTITIES REQUIRED
TENSILE RESULTS FOR VARIOUS METHODS OF HOLDING ANCHOR BOLTS IN CONCRETE
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