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  1. #1
    Join Date
    Mar 2007
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    Spring City/Surrounding Philadelphia area
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    Default Carriage Bolts Are Overrated

    Why use a couple carriage bolts when you can just pound in 30 nails instead?

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  2. #2
    Join Date
    Mar 2007
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    Succasunna NJ
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    Default Re: Carriage Bolts Are Overrated

    Darren www.aboutthehouseinspections.com
    'Whizzing & pasting & pooting through the day (Ronnie helping Kenny helping burn his poots away!) (FZ)

  3. #3
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    Mar 2007
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    Default Re: Carriage Bolts Are Overrated

    I don't know Darren. I really like the nails .


  4. #4
    Join Date
    Oct 2003
    Location
    Rockwall Texas
    Posts
    4,517

    Default Re: Carriage Bolts Are Overrated

    Nick,

    A realtor would say "The deck sparkles like diamonds in the sunshine."

    rick


  5. #5
    Join Date
    Mar 2007
    Location
    Santa Rosa, CA
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    2,286

    Default Re: Carriage Bolts Are Overrated

    Well, investigation done by some structural engineers after the last couple of CA earthquakes has shown that nails do a better job of resisting seismic movement than bolts. This seems to be because bolts concentrate the force in a small space while the nails are spread over a larger area. Studies that I have seen of mudsills in homes that collapsed after an earthquake showed the mudsill ripped down the length along the line of holes for the anchor bolts. Larger washers (bearing plates) used on mudsills helps to distribute the stress over a larger area around the hole. Failure of hold-down hardware was also attributed to failure of the wood because it split along the bolt line. The hold-down hardware that is nailed often faired better. Of course, I realize the wood in Nick's pic is split and will probably split more.

    Department of Redundancy Department
    http://www.FullCircleInspect.com/

  6. #6
    Join Date
    Mar 2007
    Location
    Ormond Beach, Florida
    Posts
    25,317

    Default Re: Carriage Bolts Are Overrated

    Come on guys ... they just got their nail gun and were practicing in that corner before they started nailing the rest of the deck. Sheesh ... you guys are soooo picky.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  7. #7

    Default Re: Carriage Bolts Are Overrated

    Well, investigation done by some structural engineers after the last couple of CA earthquakes has shown that nails do a better job of resisting seismic movement than bolts. This seems to be because bolts concentrate the force in a small space while the nails are spread over a larger area. Studies that I have seen of mudsills in homes that collapsed after an earthquake showed the mudsill ripped down the length along the line of holes for the anchor bolts. Larger washers (bearing plates) used on mudsills helps to distribute the stress over a larger area around the hole. Failure of hold-down hardware was also attributed to failure of the wood because it split along the bolt line. The hold-down hardware that is nailed often faired better. Of course, I realize the wood in Nick's pic is split and will probably split more.
    Bolts used in conjunction should work better then.


  8. #8
    Join Date
    Mar 2007
    Location
    Santa Rosa, CA
    Posts
    2,286

    Default Re: Carriage Bolts Are Overrated

    Quote Originally Posted by Brandon Whitmore View Post
    Bolts used in conjunction should work better then.
    Maybe, but if you look at the Simpson Strong-tie specifications on the hardware that has bolt holes as well as nail holes, the instructions indicate either, not both.

    Department of Redundancy Department
    http://www.FullCircleInspect.com/

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