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Question about concrete strength
All the cylinders that have been tested so far were done so at 28 days,I say "thus far" because all of the cylinders havent been tested yet. Due to the pour sequence there are several days and in some instances weeks between pours. It seems that the cylinder handling was done correctly and...- comav
- Post #4
- Forum: Concrete Engineering general discussion
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Retexturing Concrete Pavement
If it is on a roadway, After grinding it is usually "grooved" using a machine which has multiple cutting discs. If it's not on a roadway it can be "wet grinded" which is a process where you slowly gring the surface to a slurry then apply a broom finish.However, that can be a slow time consuming...- comav
- Post #5
- Forum: Concrete Engineering general discussion
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Question about concrete strength
Im currently working on a post tentioned bridge project. It seems that most of our cylinders thus far have failed. We are using AAA concrete which should be breaking at a minimum of 5000 lb to suit the DOT but it seems that most are breaking at 4200 to 4700 and some as low as 3500 lbs. At this...- comav
- Thread
- Replies: 17
- Forum: Concrete Engineering general discussion
