A simple platform having a stair will be constructed, as an estimator, your boss gave you an assignment to estimate the concrete works needed for the stairs only. The width of the stair is exactly 1 meter.   Using Class "A" concrete mixture, how many 40 kg bags of cement is required?

Q: a) What are the broad types of admixtures? b) What do you mean by concrete mix design; what are the…

A: Admixture: Admixture is used to extend the strength of the concrete and increase the specific…

Q: A batch of concrete consisted of 200 lbs fine aggregate (sand), 400 lbs coarse aggregate (gravel),…

A: Weight of fine aggregate, coarse aggregate, cement and water with their relative density have been…

Q: How does the excessive presence of silt harm the strength of concrete? Is the fine aggregate…

A: Effect of silt on concrete strength:

Q: Discuss the problem of disposal of waste water from ready-mixed concrete oper-ations. State three…

A: Disposal of wastewater from a RMC (Ready Mix Concrete) plant: Current practices for the disposal of…

Q: Estimate the TOTAL quantity of cement, sand and gravel needed for 12 pieces of the typical concrete…

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Q: Take the unit weight of concrete to be 2400 kg/m3 and the specified compressive strength to be 28…

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Q: After concreting is completed, your project manager raises concern about the quality of the concrete…

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Q: As a material engineer  in the field warehouse how will you test or check the cement delivered on…

A: On site cement is tested using simple  ways like  Texture of cement should be smooth  Should be…

Q: You have inherited the formwork from another project and it can handle 900 psf of pressure. You are…

A: This question is related to the Concrete Engineering.

Q: The submerged brick is balanced by a 3.13kg mass on the beam scale. What is the specific weight of…

A: We can calculate the specific weight of the brick by first calculating the weight of the brick by…

Q: Prepare estimate of cement (in bags), sand (in m3), coarse aggregates (in m3) for concrete ratio of…

A: Height of retaining wall h=70 feet Length of retaining wall L=20 feet Thickness of retaining wall…

Q: Reinforced concrete water storage tanks are going to be used to hold water wit high salinity and…

A: The durability is the important property of concrete, as the durable concrete can be used against…

Q: You are required to pour concrete for a foundation. Closely meshed steel reinforcements are placed…

A: Foundation is generally a unit of a structure that supports and anchors the superstructure of a…

Q: What is the purpose of aggregate in a french drain and why is the opening located at the bottom of…

A: Aggregate in French drains are provided to avoid the clogging of French drain and also it filter out…

Q: Q#3: (a)What do you mean by concrete mix design; what are the major factors that must be considered…

A: (a.) Concrete mix design is a process of preparation of mix in which ingredients fulfill the…

Q: A simple platform having a stair will be constructed, as an estimator, your boss gave you an…

A:

Q: In the given figure below, it is required to estimate the Masonry, Plaster, and Rebar quantities and…

A: Part C Length of the Wall for plastering= 10+4.4+4.4+0.1016+0.1016= 19.0032 m where 0.1016 m is the…

Q: (a)What are the broad types of admixtures? (b)How would you improve the bond of fresh concrete to…

A: Introduction: Admixtures are materials other than water used in the concrete mix to enhance its…

Q: Why is super plasticizer added to concrete? 1. To reduce the quantity of mixing water. 2. To…

A: Superplasticizer added to concrete because : Reduce water cement ratio Reduce quantity of cement…

Q: , a.) determine the number of bags of cement required to construct the wall footing using class A.…

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Q: For what purpose we use Ultrasonic Pulse velocity test? Also classify the quality of concrete if…

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Q: Calculate the weight of cement, fine aggregate (sand), coarse aggregate (rock) and gallons of water…

A: Given Data: pad dimensions=5ft×5ft×5inmix=1:2:4w/c=0.50 The maximum coarse aggregate size as per…

Q: The strength of bricks were monitored and recorded. The table below provides the recorded data for…

A: Brickwork : Brick masonry is a durable construction material. It is built by systematically laying…

Q: g) How many cubic meters of crushed sand is required for mortar? h) How many cubic meters of fine…

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Q: Determine the quantity of standard concrete blocks (400 x 200 x 200) required in 100 m² of a 200 mm…

A: solution  given the area of the wall = 100 m2 = 100*1000000 mm2=108 mm2  thickness of the wall = 200…

Q: Subject: Concrete Technology please provide detailed solution. Q#2: a) What are the main differences…

A: Difference between the plasticisers and superplasticisers Plasticisers It is also called water…

Q: How many cubic yards of concrete are required to construct 31 each 18-inch-diameter, 8-foot-high…

A: Number of column = 31 Dia of column ,d = 18inch Height of column ,h = 8 foot = 96 inch  Waste = 5 %…

Q: What is the grout? What is the grout used for?

A: Grout has become a construction material and is often used to embed bars in the masonry walls,…

Q: Subject: Concrete technology Q#1: a) What are the broad types of admixtures?  b) How would you…

A: (a) There are 2 broad types of admixtures: Chemical admixtures Mineral admixtures Chemical…

Q: You are required to pour concrete for a foundation. Closely meshed steel reinforcements are placed…

A: To create concrete a mixture of cement and water to make a paste then paste is mixed with sand and…

Q: ow many pounds of concrete (specific weight=24 kN/m3) must a beam of the volume of 0.2 m3 and…

A: Given: concrete specific weight=24 kN/m3, beam volume of 0.2 m3 and s.g.=0.33

Q: Having a Concrete Mix Ratio of 1: 1.5: 2.5 (by mass), what is the mass of Sand needed to create a…

A: step 1-

Q: a) State the proper procedure for filling the concrete cylinder? b) If the peak load of concrete…

A: a) Procedure for Filling Concrete Cylinder: The concrete should be filled in the cylinder layer by…

Q: A blended cement concrete with 30% slag is used to place a 6 foot tall column in a single pour. The…

A: Since you have asked multiple questions, only first question will be solved for you. If you want any…

Q: ompute for the total volume concrete needed for the concreting of columns, assume that the height of…

A: Given:- Size of column = 0.3m * 0.3m To find:- Total volume of concrete for columns

Q: concrete column 4.00 m with a cross-sectional dimension of 20 cm x  25 cm is resting on a concrete…

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Q: You are an engineer in charge of mixing concrete in an undeveloped areawhere no potable water is…

A: Following are the tests would be performed to evaluate the suitability of the water for concrete…

Q: Answer the following, a) Given a Concrete Mix Ratio of 1:2:3, what is the computed number of cement…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Part A) When concreting is needed to be performed in extreme hot weather. What are the different…

A: Since the Question number to be solved is not specified, the solution for Question No 01 A is as…

Q: ) Calculate build-up rates for cement mortar mix (1:1:6) by using a machine size 7/5 per m3 (b)…

A: given  cement:lime:sand mortar1:1:6considering  35%  bulkage and 33.33 wastagedry volume…

Q: 30. Without using the Table of Concrete Proportion, for eight (8) cum of Class B concrete mix…

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Q: ct in

A: Given data  Length of concrete wall=20foot 20% fly ash Cw = unit weight coefficient per Table =1.0…

Q: If you examine samples of bricks on site and it turns out that they are of class C. And you needed…

A: Also termed 'Solid Brick,' "Double Brick," and 'Brick and Block' are sometimes solid buildings. In…

Q: Why is it necessary to measure the air content of concrete at the job site rather than at the batch…

A: The air content of concrete is measured in job site rather than batch plant because there will be…

Q: Estimate the approximate quantity of Cement, Fine aggregate, Coarse aggregate and Water, for five…

A: The water-cement ratio is 0.48. Assume the size of aggregate as 20 mm. Maximum water content for 20…

Q: How various properties of aggregates affect workability of concrete? b) If the peak load of…

A: Properties of aggregate  affecting workability are : Size of Aggregate The bigger the size of the…

Q: Give example of the type of cement used for the construction of a dam and repair of a bridge ?…

A: The cement that has to be used in dam construction must have the property of water-repelling. The…

Q: a) What are the broad types of admixtures? b) How would you improve the bond of fresh concrete to…

A: Introduction: Admixtures are materials other than water used in the concrete mix to improve its…

Q: Name four types of grouting and describe how each one works.

A: Grout:   Grout is generally a mixture of water, cement, sand, or chemicals (optional) that are used…

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.