Concrete Blog

This concrete blog provide updates about changes and additions to web pages.

Jul 24, 2015

apartment complex balcony and stairs

Question: I've got ten balconys and stairs to build for a low Income apartment complex. there are no plans for this project.what I have come up with is

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Jun 21, 2015

Spanned concrete strength and support deflection

Question: I have a stamped concrete porch that spans approximately 12' by 40'. The concrete was poured on metal decking with 4 angle irons supporting

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Jan 24, 2015

Uneven Floor Slab, Flawed Construction?

Question: My wife and I purchased a condo in 2012. The den floor which is concrete on grade (no basement) is very uneven. We have had a concrete expert

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Nov 09, 2014

Shear walls and Clerestories

Question: We want to build a small office addition to our detached garage. If we put a clerestory (glass just under the roof) all around on all four sides,

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Aug 09, 2014

Steel Support for 4 Inch Slab

Question: As a steel estimator my concrete knowledge is little or none, but I have a contractor that has asked for a number on providing beam and pour

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Aug 09, 2014

Thickness of Concrete pad needed

Question: I'm installing a water tank with an 8 foot diameter. It will weigh 20,000 pounds when full. I want to put it on a pad 10 feet by 10 feet.

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Aug 09, 2014

Steel Posts Embedded in Concrete & Block wall

Question: I like your website but I still have 3 questions: 1. How do you cap a block retaining wall with ½” thick steel to provide the substrate to anchor

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Jul 06, 2014

Compacting "overdig" under footing

Question: Naturally, at the excavated elevation of my footing, there were several large fieldstones. I had to dig lower than intended to remove them and

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May 07, 2014

How do you add a footer to a carport to garage conversion with walls already in place?

Question: I would like to know how to fix a carport to garage conversion that was done without permits and has no continuous footer? Is it possible to

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Jan 22, 2014

Concrete Piers Above Floor Slabs

Question: I have a project that requires the placement of 6 steel columns. We cannot penetrate the existing basement slab. Can a reinforced pier be constructed

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Jan 07, 2014

Above ground monolithic detached garage slab and rebar

Question: I have had a contractor to construct a 14' x 20' d detached garage. It has trusses and is framed on 16 . The area was filled with slate type

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Dec 31, 2013

Shoring Concrete Slab on Grade

Question: How should you shore a concrete slab, before cutting the slab, that is on grade beams when there is a load on the floor approximately 12 away

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Dec 12, 2013

Garage Floor & Steel Beam Support

Question: I'm in the process of designing a house for a challenging lot which will require a garage suspended well above grade. The garage and part of

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Nov 23, 2013

Footing size

Question: Will a 24 inch wide, 8 inch thick, Footer work on my two story home when we don't know the soil condition. The Blue Prints say around 14 inch

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Sep 10, 2013

suspended concrete slab with steel beam over metal deck

Question: I'm planning a small two story garage with a living space (recording studio) in the basement with a suspended concrete floor on the main level.

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