A concrete mix includes the following ingredients per cubic meter: Cement%3D400 kg Water=184 kg No admixture Table below shows possible alternatives mix ingredients. Indicate in the appropriate boxes in the table what will happen in each case for the workability and the ultimate compressive strength as increase, decrease or approximately the same. What will haPpen? Cement Water Admixture (kg) (kg) Ultimate compressive Workability strength 400 225 None 449 184 None Water 400 184 Reducer Water 400 128 Reducer 400 184 Super Plasticizer 400 184 Air Entrainer 400 184 Accelerator

Q: Question 2

A: The answer is attached below; please check. Explanation:Step 1:Here are five different methods of…

Q: Question 1

A: The answer is attached below; please check. Explanation:Step 1:Step 2:Step 3:Step 4:Region 1:…

Q: Discuss five different desirable characteristics of aggregate used in Portland cement concrete (PCC)

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Q: Define the fineness modulus of aggregate. What is it used for?

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

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Q: How does shape and surface texture of aggregate effect workability, water requirement, and bond in…

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Q: In proportioning a concrete mix, the coarse and fine aggregates had the following properties…

A: Coarse aggregate weight = 800 lbDry aggregate weight = 350 lb

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: Question 3

A: The answer is attached in detail below; please check. Explanation:Step 1:Ans (a): Types of Concrete…

Q: 1.40 In a ready-mix plant, cylindrical samples are prepared and tested periodically to detect any…

A:

Q: A concrete mix consists of 5 gallons of water for each bag of cement. What is the expected…

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Q: Give any two examples of samples of different types of aggregates and note the different shapes,…

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

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Q: A sieve analysis test was performed on a sample of coarse aggregate and produced the following…

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Q: Question 4 Briefly describe the fracture patterns of concrete cylinders during a compression test.…

A: "Since you have asked multiple question, as per your requirement, we will solve the only Question…

Q: One cubic yard of fresh concrete mix includes 1900 lbs coarse and 1150 lbs fine aggregates.…

A: Reference : Concrete Technology, Concrete Mix design Given : Concrete weight, CA and FA weight,…

Pricing Concrete Work

The concrete work in a project usually holds a high-end cost in terms of cost and value of the work. It becomes an important step in calculating the cost associated with concrete while preparing the project scale. The cost of making concrete depends on the cost of building materials, mixed materials, labor, and machinery. A concrete contractor builds structures from concrete, usually managing all the steps of the process from assembling ingredients to building a holding structure and preparing the mixture. This person or team oversees the delivery and unloading of goods to ensure that they are done properly. Nowadays, most of the concrete in the United States comes from manufacturers working abroad, usually with branches and plants within the provinces. Contributions can range from pre-mixed concrete to basic ingredients, the consumer company then mixes it. Many American-based concrete companies, however, offer concrete products, such as ballads, bricks, countertop, concrete pipe, and building products, as well as concrete construction and installation materials. This article covers both types of suppliers for this set of building materials.