Critque My Load Securment

Discussion in 'Flatbed Trucking Forum' started by Blind Driver, Jul 1, 2013.

  1. Oscar the KW

    Oscar the KW Going Tarpless

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    Guntoter, you are confusing to completely different issues. It does not say anything in 393.106d about a chain (or strap) being hooked back onto itself making it only half the working load limit.
     
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  3. Blind Driver

    Blind Driver Road Train Member

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    Technically some of that may be true.

    If a chain is run around a pocket and then hooked to the top of the pocket on the other side as most do, you get the full WLL.

    But, if you hook a chain in any other way then at a straight 180* to the load, the WLL decreases as the angle increases. Let say you have a 5000# chain and you want to lift a big 5000# I bean The chain will lift the beam if it is centered. Now take a 5000# chain and attach it to the ends and then, using a clevis, to the first 5000# chain that is hanging straight down. The chain that is attacked at both ends has had its WLL rating decreased because it is now holding a vertical and horizontal load.

    Chains, straps, etc are rated for direct tension. I'm thinking all of our chains are in direct tension, but maybe the other chain pulling on it with the hook lowers the WLL. I doubt if it is much.

    Here are a few charts. The greater the angle of the chain, the bigger the chain needs to be.

    I don't know why my pics don't show up.

    View attachment 50236

    View attachment 50237

    View attachment 50238
     
  4. Oscar the KW

    Oscar the KW Going Tarpless

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    Your attachments aren't working, and I thought we were talking about securement to a trailer, not hoisting things into the air.
     
  5. Blind Driver

    Blind Driver Road Train Member

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    I just like talking :biggrin_25522:

    What I'm saying is if the hook is brought back to the chain, it could create a counterforce and lower the WLL.
     
  6. bigfoot350

    bigfoot350 Bobtail Member

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    And if you have a 600hp Cummings and put 48,000# on the trailer it decreases your hp to 500:biggrin_25523:
     
  7. Blind Driver

    Blind Driver Road Train Member

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    Well, actually my denim dyno makes it feel like a hunnit fiddy :biggrin_2551:
     
  8. rank

    rank Road Train Member

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    I'm not saying what's legal this week....I'm saying what NYDOT has told me. Don't think I have been ticketed for it though. I don't think most guys hook to the rail. The alternative is the stake pocket if the buckle will fit through or underneath the side rail of the trailer.
     
  9. okiedokie

    okiedokie Road Train Member

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    I have found that going to the Advanced Reply Window will yeild a image. The Quick Reply seems to default to a attachment.
     
    Giggles the Original Thanks this.
  10. 15 over

    15 over Light Load Member

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    load chart.jpg

    It appears we all may be wrong, I found this while looking for an answer, it is a load chart off a brand new Transcrap. It shows the load rating actually increasing by hooking the chain back to itself. It also shows the load rating for hooking straps to the rub rails.

    Maybe I was wrong but I sure thought I remember having that question when I took my Alabama coil haulers test. I did look but could not find an answer either way, this chart is the only thing I have been able to find in writing.
     
    Last edited: Jul 5, 2013
    rank Thanks this.
  11. bigfoot350

    bigfoot350 Bobtail Member

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    Yeah Alabama has their own lil way of doing things thats why you have to take the test to haul coils in Alabama mainly because they've had a lot of deaths from coils but mostly for money..... I've heard a lot of stories bout them bama boys like writing a ticket because the driver was missing 1 nut and bolt from his mud flap lol I don't know how true it is but I've heard it more than once
     
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