I just published a book of photographs covering the construction of the New Keosauqua Bridge. Check it out… The New Keosauqua Bridge by Stuart Nielsen
Keosauqua Bridge Construction Book
Published in November 24th, 2008
Posted by Stuart Nielsen in Uncategorized
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Voided Slab
Published in August 17th, 2008
Posted by Stuart Nielsen in Uncategorized
I have found some information about voided slab beams on different state websites. Most of the designs call for an 2-5″ asphalt overlay. I’m using a 4′ wide by 18″ deep 50′ voided slab, with no overlay, for the county bridge. Voided slabs speed the construction of a bridge but as one engineer told me, […]
FHWA ABC website
Published in August 14th, 2008
Posted by Stuart Nielsen in Uncategorized
Here is the link to the FHWA ABC website. It is a pretty big website but darned if I can find useful bridge details. Of course it has links to projects and you can always contact the project owners…..but it would be nice to have some workable information.
Accelerated Bridge Construction
Published in August 13th, 2008
Posted by Stuart Nielsen in Uncategorized
Some more thoughts on the ABC conference I just attended. From the presentations given it seems we are still in the promotion stage of ABC. Meaningful design information is not readily available (you try finding full designs on the web) but presenters indicated information was coming in the form of a design manual. (in 6 […]
ABC
Published in August 12th, 2008
Posted by Stuart Nielsen in Uncategorized
So for the last day and a half I have been involved in an Accelerated Bridge Construction (ABC) seminar. It has been interesting to see what is going on in the field of ABC. Most of the project presentations focused on large, traffic heavy situations. As well they should because this is where you get […]
Vertical Wind Turbine
Published in May 29th, 2008
Posted by Stuart Nielsen in Uncategorized
The future of wind power is a backyard system that doesn’t kill the surrounding wildlife. We are currently developing a Vertical axis Wind turbine prototype. Here is one solution by another company. Wind Turbine
Wind Turbines
Published in May 11th, 2008
Posted by Stuart Nielsen in Uncategorized
I have not written for a while. Still working on a short span county bridge but I have been spending time developing a wind turbine. Good links: Otherpower.com How to build a wind turbine
Accelerated Bridge Construction in Iowa
Published in April 15th, 2008
Posted by Stuart Nielsen in Uncategorized
I paper on a couple of precast bridges. Accelerated Construction in Iowa
Low Volume Road bridges
Published in April 6th, 2008
Posted by Stuart Nielsen in precast
I few papers on possible precast beam design for low volume roads in Iowa. Modified beam in slab bridges Precast bridge elements for accelerated construction Low volume road abutment design Precast channel bridges
County Bridge
Published in April 4th, 2008
Posted by Stuart Nielsen in bridge
It looks like I will get to design a somewhat new standard county bridge. Starting with a 40′ x 30′ precast slab bridge. Hopefully when its done other counties will use it.
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