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  1. MacGruber22

    Vehicular floating plaza slab

    Hey there, KootK. Thank you, sir. 1. Definitely something to talk about (didn't want to go crazy with the first post). At this point I guess I should reveal my hand - It is an existing structure that used to have a plaza-style topping slab, and some bozo decided at some point (probably because...
  2. MacGruber22

    Vehicular floating plaza slab

    Ah..I understand now. That is a good point, and seems like that style of drainage board would be better suited for heavier point loads. Thanks, wannabeSE. "It is imperative Cunth doesn't get his hands on those codes."
  3. MacGruber22

    Vehicular floating plaza slab

    No? I don't understand the logic. What is inherently wrong with the discussion above treating the drainage board as a bed of springs? "It is imperative Cunth doesn't get his hands on those codes."
  4. MacGruber22

    Vehicular floating plaza slab

    The subgrade modulus method was on my mind. This article provides some info: http://www.constructionspecifier.com/designing-plaza-hardscapes-considerations-from-insulation-and-waterproofing-to-structural-support/ I won't have rigid insulation, only the composite drainage board, some sort of...
  5. MacGruber22

    Vehicular floating plaza slab

    Yup - the stiffness is on my list of thing to investigate. I was hoping there would be an ACI design guide or similar that recommended some specs for the drainage board/tile. One product I was looking at: https://laticrete.com/~/media/datasheets/lds2900.ashx That compressive strength of the...
  6. MacGruber22

    Vehicular floating plaza slab

    "It is imperative Cunth doesn't get his hands on those codes."
  7. MacGruber22

    Vehicular floating plaza slab

    Bump. Why did someone star my post? "It is imperative Cunth doesn't get his hands on those codes."
  8. MacGruber22

    Vehicular floating plaza slab

    Does ACI or anyone else have a slab design guide for floating plaza slabs? I am expecting maximum axle load of about 24 kips (AASHTO H-15 truck), which concerns me a bit. Seems to me that the drainage board under the slab will not be rigid enough to prevent flexure in the slab. "It is...
  9. MacGruber22

    Special inspector in a tough spot

    Off topic a tad, but related to special inspections and a lesson learned. I have a retaining wall project where the owner is the county (local government in my state for non-USA peeps). Design contract was with the Civil eng. who's contract was with the county. Construction time roles...
  10. MacGruber22

    Saturated Surface Dry & Slurry Coating

    Thanks, teh and Ron. "It is imperative Cunth doesn't get his hands on those codes."
  11. MacGruber22

    Saturated Surface Dry & Slurry Coating

    teh - I have my doubts about those products. Is there independent testing to confirm their performance? "It is imperative Cunth doesn't get his hands on those codes."
  12. MacGruber22

    Saturated Surface Dry & Slurry Coating

    Thanks, Ron. I guess I was ignorant in thinking that there was some sort of "best effort" approach the contractor could take to get near SSD. But, it seems that it is not practical and maybe even unfair to instruct the contractor to provide SSD. I try to specify the slurry scrub coating...
  13. MacGruber22

    Saturated Surface Dry & Slurry Coating

    1. Well that is interesting 2. Very good "It is imperative Cunth doesn't get his hands on those codes."
  14. MacGruber22

    Saturated Surface Dry & Slurry Coating

    Ha! That may not encourage their best effort. "It is imperative Cunth doesn't get his hands on those codes."
  15. MacGruber22

    Saturated Surface Dry & Slurry Coating

    Thanks I will have to fashion your answer to #1 into something I can place in general notes! "It is imperative Cunth doesn't get his hands on those codes."
  16. MacGruber22

    Saturated Surface Dry & Slurry Coating

    1. Has anyone found (or implemented) a good definition of SSD that a contractor can clearly understand and follow? I tire of the laziness of contractors implementing their version of SSD, which is never even close. 2. Do you specify a cementitious slurry to be scrubbed into the ex. to remain...
  17. MacGruber22

    ACI 318 - App D - pullout & blowout

    Definitive statement - no. Though, I wouldn't worry about requiring a definitive code statement, because this problem is solved relatively easily with some careful thinking. Providing a non-contact lap splice of bars and anchor will preclude anchor pull out if you have a headed or nutted anchor...
  18. MacGruber22

    ACI 318-11 Chapter 5 "Class"

    dcarr, How are you defining class? 5.3.1.1b allows records within 1000 psi That is how I justify combining the mixes into classes which require separate data. Still too much to them... ha... "It is imperative Cunth doesn't get his hands on those codes."
  19. MacGruber22

    Rebar Bender & Min Bend Diameter

    That is why you should be getting shop drawings no matter it residential, commercial, etc. Contractors don't know the ACI 318, nor are they required to by law. "It is imperative Cunth doesn't get his hands on those codes."
  20. MacGruber22

    ACI 318-11 Chapter 5 "Class"

    Yeah, that was my take on it. Looks like the onerous is on us to define, Which means that our specs should use the term "class" so as to be clear to to the mix designer what he/she is required to submit different test data for. Specifically, I am arguing that out of these mixes: 1. 4000 psi 1/2...

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