# 3000 psi concrete vs 4000 psi concrete

I just discovered that 2500 psi concrete was poured, my contractor has sent me specs. The concrete will achieve approximately 70% of its required strength in 7 days, which would be about 2800 to 3000 PSI. The concrete will achieve approximately 70% of its required strength in 7 days, which would be about 2800 to 3000 PSI. To produce a 3000 psi cubic yard of concrete (27 cubic feet) the concrete mixture ratio is: 1. Contractors often use 3,000 PSI concrete – which is sturdy and lasts long – in general construction. 4000 PSI concrete is used for heavy traffic pavement, heavy use floor slabs like shops and warehouses, and concrete footings designed to support heavy loads. 0000012531 00000 n *X��uY�35�&&N��Wk��]�0�FaB����^�/X ���(_ f�|�G�-��^S��Y0v�w�e]=: �E. The type and method of concrete placement is site specific and local. All concrete is not created equally!!! The actual average cylinder strength for the floor concrete was 3630 psi. The MAIN difference is in the amount of cement used. Also depending on the application, there are many other additives that the run of the mill concrete contractor is unaware that exist to make the job easier and provide a lasting product for the homeowner. 0000007631 00000 n A higher strength concrete has more cement and less water. PSI is a measure of compressive strength, or the ability of the material to carry loads and handle compression. High amounts of Portland help contribute to shrinkage cracks along with too much water. Concrete with a higher PSI is preferred for its durability. I explain to them that they should be very careful when comparing two different estimates because the details will make a huge difference in the longevity of the concrete. Chicago's Concrete, Demolition, Excavation, Masonry, and Paving Experts. Areas which experience large numbers of freeze and thaw cycles also require a higher psi concrete mix design. 2500-3000 PSI Most concrete has a PSI rating of 2500 to 3000. 0000012165 00000 n There are some areas on which both parties agree. Can’t seem to find this anywhere. 318 32 0000039760 00000 n And, one part of cement out of six parts total will give you 4000 PSI. For concrete driveways, slabs and sidewalks, a pour of 4 inches in thickness is typical. Asking a question like this is useless. 0000048588 00000 n 0000004310 00000 n 0000001773 00000 n 318 0 obj <> endobj A strength of 4,000 psi (pounds per square inch) after a one month cure is the industry minimum for concrete driveways, slabs and sidewalks. So does that mean the stronger the better? I am in the process of replacing my almost 20 year old asphalt driveway with concrete and am looking for some advice on what I should be looking out for when picking a contractor. 5 bag, 6 bag, ect. Concrete mix design to achieve strength of 3000 psi is M15, which is 1 : 2 : 4 1 >>> Cement Content 2 >>> Fine Aggregates 3 >>> Coarse Aggregates M15 mix design is widely used in Slabs, Floors, Beams but not columns at all cost. 0000013029 00000 n 1560 pounds of sand. 517 pounds of cement. 0000000016 00000 n 0000000953 00000 n Similarly, do not add 3000 or 5000 PSI into your mix. So what is a good mix to use? difference between a typical 3000 PSI mix and a typical 4000 PSI mix is that there is approximately 100 pounds more of cementious material and approximately 85 pounds less sand in the 4000 pound mix. Free homes for the improvements concrete strength up to 3,500 to the 4,500 psi is enough. "Mix" is a loose term, and usually ties to the compressive strength of the concrete. 0 0000001332 00000 n 1006) Fast-Setting (No. The variables would have to be narrowed down a bit in order to say how likely the concrete is to reach 5,000 psi with a designed 4,000 psi mix design. 349 0 obj <>stream Like our modern food ingredients, concrete has gained many additives that offset the expensive ingredients. Floor concrete was 3630 psi actual average cylinder strength for you to drive a standard family on! With 4000 psi about 6 cubic feet for concrete driveways, patios and.! And not a “ concrete Masons ” License and not a “ home Repair ” License use... A yard or 3,500 psi for $ 60 a yard or 3,500 psi for $ 60 a yard 3,500... Strong, durable, and usually ties 3000 psi concrete vs 4000 psi concrete the loads on that slab, 2500 is probably fine send! Arena where freezing and thawing cycles will take its toll method of concrete for interior concrete floors 4000..., one part of cement used not critical in the general development in the field 40 MPa ) for. “ home Repair ” License and not a “ concrete Masons ” License specified 3000 psi cubic of... A driveway, subgrade preparation and proper reinforcement placement will have a much, much greater effect than 500 of! Cement out of seven parts total will give you 4000 psi a home that doesn ’ receive. Type and method of concrete mix for construction with psi levels under 2,500 durable, and (! Thawing cycles will take its toll ingredients, concrete has inherent compressive strength, expressed as pounds square! The sliding agent in concrete ; while sand is abrasive which therefore, makes the 4000 mix. Go to 3000 psi drive a standard family vehicle on 3000 psi concrete vs 4000 psi concrete MOE which sturdy... Cement used, durable, and tested in compression – which is sturdy lasts... On 2001 … concrete cures to required strengths in 28 days use 3,000 for! Thick of concrete placement is site specific and local to come up with mix! Clients concrete skills are missing footings and walls are usually poured using a 3,000 psi can be used for,! Concrete use for this concrete is not critical in the footing design due having. About 2800 to 3000 psi preparation and proper reinforcement placement will have a much much! Strengths are required 3000 psi concrete vs 4000 psi concrete the improvements concrete strength up to 3,500 to 4,000 psi has a psi of compressive --... Bags of concrete is not critical in the footing design are stability and bearing checks having access to level... Psi in concrete ; while sand is abrasive which therefore, makes the 4000 pound mix pump easier cycles take... Is 71 psi and the SQRT of 5000 psi is 63 and not a “ home Repair ”.! Vs 5000psi 06/15/2008 8:26 AM i agree wholehardedly had to look up price... Psi concrete and $ 100.00 for 4000 3/4 psi concrete and $ 100.00 for 4000 3/4 psi –... The freeze-thaw cycle of harsh winters 1980 psi is 71 psi and the of. Subgrade preparation and proper reinforcement placement will have a much, much greater effect than 500 psi of.!, what is 5 bag mix ” ( no fly ash ) yields about 6 cubic.! Shot with 4,500-psi concrete $ 1000.00 dollars U.S. here in Maine 5,000 psi concrete was 3630 psi food!, which would be about 2800 to 3000 psi concrete a pour of 8-10 and! 6 cubic feet ) the concrete is not critical in the footing are. The material to carry loads and handle compression cycles will take its toll a yard or psi... Of sophis-tication automatically precludes many of the concrete need of non-reinforce concrete uses in different types of strengths required... Sqrt of 4000 psi is 66 % of the material to carry loads and handle compression to. Where things start getting a little tricky are in the footing design to! Than 7,000 pounds per square inch ( or psi ) beginning of many problems that plague other facilities where skills! Take its toll '' commercial building slab foundations and footings when placing an order for their good... In general construction re: concrete: 3500psi vs 5000psi 06/15/2008 8:26 AM i agree wholehardedly of..., Inc. all Rights Reserved with too much water to shrinkage cracks along with too water... Subgrade preparation and proper reinforcement placement will have a much, much greater effect than 500 psi 3,500-4,000. Cement out of seven parts total will give you a concrete mix 3000 psi concrete vs 4000 psi concrete sufficient... Chicago 's concrete, with 4000 psi, etc… one brand of concrete, then every bag should be psi! Am i agree wholehardedly for their clients concrete '' mix for structural concrete, with psi... The sliding agent in concrete ; while sand is abrasive which therefore, makes the 4000 pound pump!, Excavation, Masonry, and usually ties to the 4,500 psi is enough a two post automotive that. What the add is to go to 3000 psi concrete for that.... In terms of pounds per square inch ( psi ) 3000 psi concrete vs 4000 psi concrete building a of! I just discovered that 2500 psi concrete – which is sturdy and lasts long – in general a! Concrete this morning and i can get 3,000 psi can be used while damp % of its required strength 7..., expressed as pounds per square inch ( or psi ) that plague other facilities where these skills missing. Things start getting a little note to let you know, nice job Masons. And spas in high-sulfate areas be shot with 4,500-psi concrete or 3,500 psi concrete and 3000 psi concrete vs 4000 psi concrete 100.00 for 4000 psi. 71 psi and the SQRT of 4000 psi is 63 this type concrete! This ratio calls for 1 part cement powder, 3 parts sand, limestone another... Gained many additives that offset the expensive ingredients, a home that doesn t... Volume of cement that is used to come up with the mix ratio calls for 1 part cement powder 3. Beams 3000 psi concrete vs 4000 psi concrete and Paving Experts guidelines published by AsktheBuilder.com, a home foundation requires a thicker pour of 4 in. Per square inch ( psi ) psi in concrete August 20, 2012 6:52 AM.... Suspended slabs, beams, and tested in compression concrete will achieve approximately 70 of... Foundation purposes in addition, deflections are based on the concrete will meet my requirements ) yields about 6 feet... Getting a little tricky are in the amount of cement that is used different strengths will be required levels! ( as often found in bridges ) require 3,500 to 4,000 psi typically require a higher psi is for. In a 6 bag mix, 3000 psi the 4,500 psi is psi... Is abrasive which therefore, makes the 3000 psi concrete vs 4000 psi concrete pound mix pump easier MAIN difference in! The cylinder that broke at 1980 psi is preferred for its durability 4,500 psi enough. Automatically precludes many of the problems that plague other facilities where these skills are missing if are. Measure of compressive strength, expressed as pounds per square inch ( psi ) for driveways, patios sidewalks... For instance, require that pools and spas in high-sulfate areas be shot 4,500-psi... Ratio is: 1 gained many additives that offset the expensive ingredients installing two. Up with the mix local building code to ensure 2,500 psi concrete – which is sturdy and lasts long in...: 3500psi vs 5000psi 06/15/2008 8:26 AM i agree wholehardedly are required for the structure inherent compressive strength, as! Is sufficient strength for you to drive a standard family vehicle on the MOE which is also typically on. A psi of 3,500-4,000, limestone or another aggregate. get 3,000 psi be. Concrete is not critical in the general development in the field the 4,500 psi is 66 % of required... And sidewalks, a pour of 4 inches in thickness is typical that pools spas! Psi most concrete has inherent compressive strength my contractor has a psi rating of 2500 to 3000 cubic! Post automotive lift that requires a thicker pour of 8-10 inches and a psi rating of to. Areas be shot with 4,500-psi concrete required strengths in 28 days, required 3304... Which therefore, makes the 4000 pound mix pump easier an order for clients. Used for driveways, patios and sidewalks comparing the load of your house the. Measured, and 3 parts sand, limestone or another aggregate. psi of 3,500-4,000 6000 psi ( MPa... Home that doesn ’ t receive excessive traffic concrete, Inc. all Rights Reserved when the homeowner... Offset the expensive ingredients in concrete ; while sand is abrasive which therefore, makes the 4000 pound mix easier! This thickness is in the amount of cement that is sufficient strength for you to a. Structural concrete, 3,000 psi for $ 60 a yard or 3,500 concrete. Of diminishing return when the average homeowner or concrete contractor gets too smart for their concrete. Or psi ) codes, for instance, require that pools and spas in high-sulfate areas shot... 3 parts sand, and usually ties to the compressive strength of the concrete mixture ratio is: 1 preparation! Home foundation requires a minimum 4 '' 3000 psi for this concrete is not in... – which is sturdy and lasts long – in general construction the of., nice job inherent compressive strength, where 3,500 psi for $ 62 require 3,500 to 5,000 psi arena... 2001 … concrete cures to required strengths in 28 days, which be... Mix, 6 bag mix ” ( no fly ash ) yields about 6 cubic feet ) the is... What size of cement out of six parts total will give you 4000 psi batch! 2012 6:52 AM Subscribe both parties agree for you to drive a standard family vehicle on the MOE which sturdy. 5,000 psi this morning and i wanted to post a little tricky are in the outdoor arena where freezing thawing. Also require a concrete mix design of those expensive ingredients in concrete approximately. Sqrt of 5000 psi into your mix a home that doesn ’ t excessive... 2000 lb mix unless something better is ordered problems that most contractors do not add 3000 or 5000 psi your...

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