Quote Originally Posted by papi smith View Post
Here I am again masters [emoji3] May I hear your opinions regarding pouring the second floor slab in sections? I reckon, we can pour the entire second floor in 6 working days at the most using just a bagger concrete mixer. This is a backup plan if the cost of ready mix will be prohibitive due to subdivision restrictions, mainly big concrete mixer trucks and pump crete are no longer allowed. That leaves me with small trucks and probably a hose requiring additional labor on my part. I've done the math and there is a safe 20% savings on manual pouring. But how are the pouring sections divided? Or where should I "splice"? Thanks

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What's your volume & manpower load? Monolithic pouring is always better than 1 w/ breaks & splices. Try searching a portable rental pump.....or Doc's idea. These reduce time & effort. For 1 bagger mixers, focus on mix consistency esp water content. The lower, the better.
If you can't do the 1 go option, discuss w/ your structural designer & pre-identify the cut sections. He'll point those w/ the lowest stress & moment exposure.
Check the forecast, choose a comfy non-rainy day, or better....do the pour from dusk to dawn (more about temperature than traffic). Temperature significantly affects concrete curing and ultimately its strength. Too hot? You'll get a hastened & uneven cure start where water loss is abrupt. This causes cracks and weak points.
Pouring is a critical activity. Think no going back once done. Quality must be primary, cost secondary.


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