This massive concrete pour required a 258 truck ballet in which the contractor placed 11,500 yards of concrete in one monolithic pour that got started at 5am and finished by 3pm. That’s 258 trucks in 10 hours – 26 trucks per hour. Or if you like, 1 truck every 2 minutes 20 seconds.

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10 Responses to San Diego Concrete Pour

  1. Anonymous says:

    From what i understand a concrete truck holds 8 to 12 yards. So if the placed 11,500 yards they needed the 258 trucks to make roughly 4 trips each.

    Very impressive photo though

  2. Victor says:

    I agree. Quite an impressive photo. What is the project? Just a massive slab of concrete?

  3. Noelle says:

    Very interesting image! I’m interested in the project as well. Why was this method of pouring required?

  4. Ingeniero says:

    It’s an impressive scheduling operation. Thirteen pump trucks are operating in this photo with quite a few others as backup. All the concrete mixers on site scares me. It still takes awhile to empty a mixer and you don’t want the mixers to wait too long or the batch will become useless. A thirty minute wait is too long if you want a quality batch.

    I don’t get the numbers quoted above though. The current slab being poured looks to be about 150′x150′which is 2500SY. Assuming that it is a mat footing, it would have to be 4.5 yards thick to be a monolithic pour. Even if the whole building had a mat footing with an assumed area of 5000SY then the thickness would be 2.3 yards or almost 7 FT? Does that sound right for that type of footing?

  5. jimmy says:

    The project is the San Diego, BAYSIDE condos ($795,000 to $12,000,000.each condo, 282 total.)

    The photo shows the southern half (half!) of the ten-foot-thick RAFT slab, which will support the 35 story tower.

  6. Greg says:

    Still not thick enough to prevent the Decepticons from detecting the AllSpark. Jusy sayin’.

  7. guinness416 says:

    Ten foot thick raft slab? Oy!

  8. Pryce says:

    do we really need 4000 slump tests?

  9. Concrete Tester says:

    So where are all the concrete cylinders? With this much concrete the project should have been flooded with samples.

  10. the concrete trucks usually hold up to 10 half yds max. that is alot of concrete being poured

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