a)Explain what is section steel and reinforcement steel? Next discuss the advantages and disadvantages of steel as a construction material. b) What is meant by ‘additives’ and ‘cement substitutes’ for concrete? Next, explain the purpose and role of the use of fly ash in concrete mix.

Q: A curved bar ABC is subjected to two equal loads in opposite direction as shown in figure The axis…

A:

Q: Question Identify the correct sequence of the concrete manufacturing process by rearranging the…

A: The answers with explanation has been provided Explanation:

Q: Explain the geological difference between Metallic and Non Metallic minerals. Discuss also the…

A: The geological difference between Metallic and Non-Metallic Minerals:Point of ComparisonMetallic…

Q: Students in the materials lab mixed concrete with the following ingredients: 32.1 lb of cement, 51.6…

A: Solution: Given: Cement = 32.1 lb  = 14.6 kg Sand = 51.6 lb      = 23.4 kg Gravel = 67.5 lb    =…

Q: 6.38 What is the source of fly ash? Why is fly ash sometimes added to concrete? What are the…

A: Given : fly ash  To  determine : 1)source of fly ash  2)Why added in concrete  3)Different class of…

Q: When a sample subjected to the procedure of ASTM C40 produces a color darker than the standard…

A: Answer: The test sample shell have a mass of about approximately 450g and be taken from the larger…

Q: You see the concrete looks dry as it is being placed as a slab. a) If you decide to spray some…

A: If the concrete is not set yet, then concrete is still in form of fresh concrete. By spraying extra…

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: 4-How the consistency of cement paste is measured? 5-State the significance of initial setting time…

A: ANS 4: A cement paste with a standard consistency is one that will allow a vicat plunger with a 10…

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: 5-Why is compaction necessary to concrete? 6-Explain effect of sea water on concrete. 7-What…

A: Concrete: It is a term used to indicate the paste formed by the addition of water in specified…

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.