[Public-List] Mast beam almost finished!

Dominic Amann dominic.amann at gmail.com
Fri Oct 25 13:13:22 PDT 2013


I suspect that bolting through will not introduce much more weakness than
drilled in lag bolts. Bear in mind that the failure you were observing was
a delamination of the beam, and I think through bolts would actually help
prevent that.


On Fri, Oct 25, 2013 at 4:10 PM, George Dinwiddie
<gdinwiddie at alberg30.org>wrote:

> Jeff,
>
> On 10/24/13 7:17 AM, Jeffrey wrote:
>
>> Hi everyone,
>>
>> I'm nearly done replacing my mast beam. I've got the beam in, the
>> tabbing finished and the posts reinforced.
>>
>> http://216.172.166.167/~**seagrass/ <http://216.172.166.167/~seagrass/>
>>
>
> Nice work, and a very nice description.
>
>  I still need to decide on how to deal with the bolts, that on the
>> original beam, went through the mast step and right through the beam.
>> I don't think bolts going all the way through the beam are necessary
>> and will weaken the beam. I'm thinking of using some lag bolts that
>> will go an inch or so into the beam.
>>
>
>  - George
>
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-- 


Dominic Amann
M 416-270-4587

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