A concrete mix with a 3-in. slump, w/c ratio of 0.50, and sand with a fineness modulus of 2.4 contains 1700 lb/yd3 of coarse aggregate. Compute the required weight of coarse aggregate per cubic yard. To adjust the mix so as to increase the compressive strength, the water–cement ratio is reduced to 0.45. Will the quantity of coarse aggregate increase, decrease, or stay the same?Explain your answer.

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: Please show full steps correctly and handwritten thankss

A: Based on the information provided and the image you sent, it appears to be a word problem related to…

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: 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: You are working on a concrete mix design that requires each cubic yard of concrete to have a 0.43…

A: Water–cement ratio = 0.43C.A = 2077 lb/yd3 =1232 kg/m3 Water content = 244 lb/yd3 = 145 kg/m3Air…

Q: 1. Design a non-air-entrained concrete mix using, ACI Method for a reinforced Concrete Work for the…

A: f'c = 28 MPaSlump = 50 mmFM = 2.8Aggregate size = 70 mm

Q: 2. Design a non-air-entrained concrete mix using, ACI Method for a reinforced Concrete Work for the…

A: req char. comp. strenght f'c = 22 MPaSlump = 50 mmFM = 2.8Max Aggregate size = 70 mm

Q: A concrete mix with a 75-mm slump, water-cement ratio of 0.50, and sand with a fineness modulus of…

A: given data is slump size 75 mm w/c ratio 0.5 max agg size-25mm

Q: th a 3-inch slump, w/c ratio of 0.50, and sand with a fineness modulus of 2.4 contains 1700 lb/ cu.…

A: Given:- slump = 3inch w/c ratio=0.5 fineness modulus =2.4 coarse aggregate =1 700 lb/cu yd. w/c…

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: You are working on a concrete mix design that requires each cubic yard ofconcrete to have 0.45…

A: Given:- The water-cement ratio of the concrete = 0.45 The unit weight of the dry gravel = 1165 kg/m3…

Q: How does the increase of maximum aggregate size used in the concrete mix design affect the…

A: We know for best results the gradation should be well graded. For well-graded aggregates, the voids…

Q: desi cubic yard of concrete to have a 0.43 water-cement ratio, 12 kg/m3 of dry gravel, 145 kg/m3 of…

A: Mix design:Water–cement ratio = 0.43C.A =1232 kg/m3 Water content = 145 kg/m3Air content = 4%

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…

Types of Cement

Cement is a fine mixture of limestone, chalk, or marl and clay which when mixed with water, becomes compacted due to the formation of strong molecular bonds. Due to hydration, cement turns into a hard mass when left for a sufficient amount of time upon mixing with water. The water turns the cement compounds into gel-like submicroscopic particles having higher surface areas. It is due to the hydration properties of cement, they are often known as hydraulic cement. For instance, Portland cement is a popular example in this category.