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John D
John D, BS Degree in Engineering.
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Experience:  Math, science and 25 years experience in computer programming
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How much concrete can a concrete saw and a 2 man

Customer Question

How much concrete can a concrete saw and a 2 man crew cut in 1 (one) day.
Submitted: 8 years ago.
Category: General
Expert:  John D replied 8 years ago.

How thick is the concrete and what type of saw are they using?


Customer: replied 8 years ago.
Reply to John D.'s Post: Concrete is 4 to 6 inches thick, Saw is a Stow,gas powered 13 horse power, 16in. diamond blade.Self propelled.
Expert:  John D replied 8 years ago.

With this saw you can cut between 30 to 70 sq inches per minute, depending on the concrete strength, presence of reinforcing steel, and local conditions.


Taking a near average rate of 40 sq in per min, and assuming concrete thickness of 5 in, the length of concrete cut per min is 40/5 = 8 in, which is 8 x 60 = 480 in or 40 ft per hour.


Assuming a daily efficiency rate of 75%, the lenght that can be cut in an 8 hour day would be 40 x 8 x 0.75 = 240 ft per day.


Also please noe that a 16 in blade may not be able to cut through a 6 inches thick slab (more likely up to 5 inches thick).


Hope this helps.


John D, BS Degree in Engineering.
Category: General
Satisfied Customers: 9659
Experience: Math, science and 25 years experience in computer programming
John D and 92 other General Specialists are ready to help you
Customer: replied 8 years ago.
Thank you for the answer. I am in need of some standards on concret.
1.what are the standards for breaking out concrete after it has been cut. we are talking about,sidewalks, curb&gutter, and driveways,concrete is between 4-6 inches thick with 1/2in. rebar,in it.
2. What is the standard for re-pouring concrete at said applications, after it has been formed.
       
                                 THANK YOU
Expert:  John D replied 8 years ago.

Thanks for the Accept.


With regard to your new questions, here are some references that will provide information on the subject. Not knowing what kind of project you are involved in, you will find a range of information suitable for professional projects as well homeowner do-it-yourself type of projects.


References:


http://www.ci.minneapolis.mn.us/public-works/docs/sidewalk.pdf


http://www.concrete.org/PUBS/JOURNALS/AbstractDetails.asp?SearchID=67739&keywords=pavement+repair&srchtype=ALL&date=anytime&searchmonth=1&searchday=1&searchyear=2006&publication=ALL&ID=3632


.Do-It-Yourself instructions:


http://www.hgtv.com/hgtv/rm_driveways_walkways/article/0,1797,HGTV_3691_1376172,00.html


http://www.ehow.com/tips_16409.html


Hope this helps.


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John D
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Math, science and 25 years experience in computer programming