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Long concrete driveway Chuck 11-15-2006
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Posted by Bob Morrison on November 17, 2006, 10:24 am
In a previous post Chuck wrote...
> Well, we have a welder as one of the group of 5 taking on this challenge
> and I'm pretty sure he has access to material so I'll ask if he can weld
> up two short 3.5' keys and drill holes in them for dowels. From the link
> you sent I can see that the dowels are pretty substantial but I can't find
> a size. How large should they be if I have a 6" slab with shear key?
>

1/2" smooth dowels should be fine. Put at least 4 in each 3.5' wide run of
pavement.

--
Bob Morrison, PE, SE
R L Morrison Engineering Co
Structural & Civil Engineering
Poulsbo WA
bob at rlmorrisonengr dot com

Posted by Wayne Whitney on November 17, 2006, 10:39 am

> each 3.5' wide run of pavement.

As I recall, the driveway is to be 9' wide, so with 7' total of
pavement width that leaves 2' of clear space in the middle. What is
the advantage of this configuration over a single 9' wide drive? Is
it simply the 2/9 materials savings, or is there some other advantage?

Thanks, Wayne


Posted by DanG on November 17, 2006, 12:28 pm
It was already stated that cost was a major factor. They will be
trading off concrete for twice the form work, but, apparently
labor is easier to come by than $$$.
___________________________
Keep the whole world singing. . . .
DanG


>
>> each 3.5' wide run of pavement.
>
> As I recall, the driveway is to be 9' wide, so with 7' total of
> pavement width that leaves 2' of clear space in the middle.
> What is
> the advantage of this configuration over a single 9' wide drive?
> Is
> it simply the 2/9 materials savings, or is there some other
> advantage?
>
> Thanks, Wayne
>



Posted by Chuck on November 17, 2006, 10:53 pm
On Fri, 17 Nov 2006 11:28:27 -0600, DanG wrote:

> It was already stated that cost was a major factor. They will be
> trading off concrete for twice the form work, but, apparently labor is
> easier to come by than $$$.
> ___________________________
> Keep the whole world singing. . . .
> DanG
>
>
>>
>>> each 3.5' wide run of pavement.
>>
>> As I recall, the driveway is to be 9' wide, so with 7' total of
>> pavement width that leaves 2' of clear space in the middle. What is the
>> advantage of this configuration over a single 9' wide drive? Is it
>> simply the 2/9 materials savings, or is there some other advantage?
>>
>> Thanks, Wayne
>>
>>
Well, of course I wish cost wasn't such a major factor but with a 675 foot
drive like this(plus drainage) it really is. We could try to put it off
another year or two but at this point the road is simply impassible at
times and it really sets us back.

Oddly enough, there is one 50 foot section of the original driveway still
intact and it's the one section that was double lane. I wouldn't really
know, but my hypothesis is that being able to move independently may have
helped that section survive 12 years of harsh weather and erosion. I feel
like that is going out on a limb but it does strike me as odd.

As DanG mentioned already, labor is relatively inexpensive here(Mochima,
Venezuela). Concrete isn't that bad but transportation out to the middle
of nowhere is. And that goes for rocks and sand too.

This link below is a picture that gives a(very rough) idea of the
goegraphy where the road/driveway will be built. The houses on the far
side of the bay(or right side of the bay perhaps) are the ones the drive
will affect directly. I'm at the bottom so I REALLY need it.
http://www.mochimadivers.com/images/panarama-1200.jpg

Chuck

Posted by RicodJour on November 17, 2006, 11:38 pm
>
> This link below is a picture that gives a(very rough) idea of the
> goegraphy where the road/driveway will be built. The houses on the far
> side of the bay(or right side of the bay perhaps) are the ones the drive
> will affect directly. I'm at the bottom so I REALLY need
it.http://www.mochimadivers.com/images/panarama-1200.jpg

Hmmm, let's see. Beautiful location, guy posting is involved with
eco-tourism diving, needs expert help with a project. Who's up for a
field trip to help this guy build this thing? I figure we can bang it
out in three or nine years. Lodgings and Margaritas are on Chuck ;)

R


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