Q2)What would be the maximum aggregate size used for the given mixture properties by using ACI Method...

80.2K

Verified Solution

Question

Civil Engineering

Q2)What would be the maximum aggregatesize used for the given mixture properties by usingACI Method of Mix Design. 28-day specifiedconcrete strength is 12 Mpa, standard deviation is choosen as3.7Mpa and it is required that no more than 1 testresult in 200 will fall below the specified strength.
Project Title:Detoration of wood column of acommercial building
Project summary:Wood deterioration at the lowerlevel of a heavy timber column, which supports five floor levels,was remedied by removing a section of column and the constructionof a new concrete pier and footing.
For Coarse Aggregate (Uncrushed):SSD Bulk Specific Gravity:2.60, Absorption Capacity: 1.8 %, Total Moisture: 2.3 % and DryRodded Unit Weight: 1430 kg/m³.
For Fine Aggregate (Crushed):SSD Bulk Specific Gravity: 2.70,Total Moisture: 3.4% and Free Moisture:1.4%. FM= 2.65, Zone II.
Cement:Portland Composite Cement, Specific Gravity: 3.01. For1,4 m³cement is calculated as 48 kg.
Q3) use the data in question 2 and determinethe amount of chemical admixture required for 0.4%

Answer & Explanation Solved by verified expert

4.1 Ratings (673 Votes)

Ans 2 According to ACI maximum size of aggregate should bot belarger than 1 15th of the minimum dimension of structural members2 13rd thickness of slabAccording to given consditions See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member