Calculate the maximum aggregate size for a concrete to be used for the beam the cross-section of which is given below. Note that 3 equally spaced 24 mm rebars with a clear cover of 50 mm is used in the beam, and 2 equally spaced 30 mm rebars per meter with a clear cover of 50 mm is used in the slab. (Show your calculations for each criteria) 030 mm slab 15 cm beam 45 cm 024 mm 35 cm

Q: If the required slump is 75 mm and the maximum aggregate size is 22.5 mm, what is the quantity of…

A: Given Data: Slump size = 75mm Aggregate Size = 22.5mm

Q: Define and discuss the following: (a) the terms maximum aggregate size and grading, as used in…

A: a) Maximum aggregate size: The concrete that is used for construction purposes contains about 70% of…

Q: Q3. Three concrete mixes with the same ingredients, except the amount of mixing water, and their…

A:

Q: Problem 2: If f = 3 ksi what is the modulus of elasticity Ec and the maximum tensile stress fr that…

A: f'c = 3 ksi or 3000 psi We need to calculate modulus of elasticity Ec and tensile stress fr

Q: 5. You have the following mix design data for 1 yd³ of concrete. What volume of fly ash will you…

A: Total volume of mix design = 1 yd3 Ingredients Weight (lbs) Specific gravity Water 282 1…

Q: A concrete mix includes the following ingredients per cubic meter: a. Cement = 400 kg b. Water = 176…

A: Given, Cement= 400 kg Water= 176 kg

Q: The following table represents a concrete mixture that has not been completely proportioned. The…

A: Question is based on the concrete mixture (oven dry basis) . Proportion of water, Air, coarse…

Q: In designing concrete structures, normally maximum aggregate sizes are adopted with ranges from 10mm…

A: Greater the size of aggregate lesser is the surface area. Lesser is the surface area indicate that…

Q: 21. How many total cubic yards of coarse aggregate would be required to produce 150 yd³ of concrete…

A: Problem 21 : Data given  Concrete to be produced =  150 yd3 Nominal size of coarse aggregates =  2…

Q: Concrete is strongest when subjected to: OA Tension O B) Bending O9 Torsion

A: 1. The concrete is strongest when subjected to:

Q: The following table represents a concrete mixture that has not been completely proportioned. The…

A: The water to cement ratio compares how much water versus cement is used in a concrete mix. A low…

Q: A civil engineer wants to design a concrete mix design with the following criteria: Design a…

A: Concrete Mix Design: Blend configuration can be considered the most common way of choosing…

Q: An exterior beam, located in Toronto, with a rectangular cross section has a width of 1000mm, height…

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Q: Assume that you are going to make a three cubic yard (3yd³) of concrete. Create your own mix design…

A: The design strength = 3.8 ksiThe slump should = 3 to 4 in.The maximum size of aggregate = 2 inUnit…

Q: What moisture condition should the coarse and fine aggregate be in when mixing the concrete? A…

A: Mixture of cement, fine aggregates , coarse aggregates ,water and admixtures in defined proportions…