2. Maximizing the amount of aggregate, to a certain extent, improves the quality and economy of the mix. True or False. Explain

Q: What do you mean by concrete's workability, why do we need it, and how do different aggregate…

A:

Q: How to place the aggregate sample in the sieves before sieving and how to weigh aggregate retained…

A: There are different sizes of sieves that help us in aggregate gradation or sieve analysis. It is the…

Q: What do you mean by concrete's workability, why do we need it, and how do different aggregate…

A:

Q: we already know that the aggregates can be received in a concrete mixer plant both by weight and by…

A: Aggregate is batched by weight known as weight batching and aggregate batched by volume known as…

Q: give an observation and conclusion about "Bulk Unit Weight and Voids of Coarse Aggregates

A:

Q: is the grade size used to identified the practical grading of the aggregate O 4.75 mm O 600 micron O…

A:

Q: Discussion: 1- What is the difference between apparent specific weight and total specific weight? 2-…

A: Concrete is an advancement material made from concrete, fine aggregates (sand) and coarse sums mixed…

Q: List the steps involved in proportioning of concrete (i.e. mix design) if the required concrete…

A: Moisture content MC : The aggregates contain some amount of water already. Such water is called as…

Q: What is the required volume of Fine Aggregates(s.g. = 2.4) if the mass needed for the concrete mix…

A: Given S.g of fine aggregate = 2.4 Mass of fine aggregate = 850 kg

Q: The relation between strength and maturity for a concrete is known to be as follows: in SI units: f…

A: Given: The concrete is cured at 30oC. The time period is 7 days. The strength is 30 MPa. The time…

Q: why unit weights of aggregates will allow the contractors to meet their construction requirements?…

A:

Q: Elaborate/explain the  scope and significance use in ASTM c70 - standard test method for surface…

A: ASTM tool is considered when the casagrande tool tends to tear the soil in the groove. ASTM tool is…

Q: Table 1 shows the various quantities of materials needed for several different concrete mixes. Mix…

A: Given, Mix design data

Q: Describe in detail the relationship between an aggregate's: Shape to the workability of concrete…

A:

Q: 4. A sample of fine aggregate weighs 501.2 g when SSD and 491.6 g when OD. The flask weighs 540.6 g…

A: The bulk specific gravity of fine aggregate is given by:Gsb=AB+S-C Where, A = Oven dry weight =…

Q: What is the correct sequence of operations involved in concrete production? (a)…

A: Operation involved in concrete production : Batching Mixing Handling Transportation  Placing…

Q: What limits you to use both types of concretes? (Performance and any relevant aspects - Not…

A: Answer  Introduction Ready-mix concrete is very old technology. the ready mix concrete is the first…

Q: The coarse aggregate that is stored in the yard has moisture content of 2%. What is the weight of…

A: Weight of oven dry=Weight of oven dry1+wWeight of water=Wd-Ww

Q: 46.5 kg of fine aggregate is mixed with 72.3 kg of coarse aggregate. The fineaggregate has a…

A: given data: fine aggregate: water content=2% absorption=3.4% weight=46.5 kg coarse aggregate: water…

Q: 3) Suppose that a ready-mix concrete plant stores its aggregates in three different prismatic…

A: For cement: Calculate the total volume: Calculating total weight: Volume as per design mix…

Q: Aggregates from three sources having bulk specific gravities of 2.753, 2.649, and 2.689 were blended…

A: Given:  For Aggregates from source 1:  Specific Gravity = 2.753  Ratio = 70   For Aggregates from…

Q: The coarse aggregate that is stored in the yard has moisture content of 2%. What is the weight of…

A: Oven dry weight=Wet weight 1+w

Q: Aggregates from two stockpiles, A and B having coarse aggregate angularity (crushed faces) of 40%…

A: Consider the given data For stock pile A percentage crushed faces =40% For stock pile B percentage…

Q: What are the main purposes of Sieve Analysis of aggregates?

A: purpose of sieve analysis Main purpose of sieve analysis is to determine the distribution of…

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

A: Water cement ratio: The ratio of water to the weight of cement used in a concrete mix is known as…

Q: Instructions: Please provide complete solution for full credit and box final answer/s. Problem:…

A:

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

A: Since we are authorized to attempt only three sub-parts of the given question, we have done first…

Q: Why unit weight of aggregates is important? What should be the best conclusion and result of the…

A: Unit weight of any substance is the ratio of it’s weight and volume.The apparent density or unit…

Q: Calculate the bulk specific gravity of combined aggregate if you know the specific gravities of…

A:

Q: Two batches of concrete cylinders were made with and without a calciumchloride (CaCl2) accelerator…

A: a) The plot of the relationship between curing time and compressive strength of the two mixes is as…

Q: The mass of aggregate B has been reduced and weighed to conduct an aggregate test shown in Table 2.…

A:

Q: What makes sampling as the most important step in assuring the quality of the aggregates?

A:

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 Comparison…

Q: if my Fineness modulus for fine aggregates is 1.88, does it meet the standards fineness modulus for…

A: Fineness modulus is defined as summation of aggregate of cumulative percentage of particles retained…

Q: A sieve analysis test was performed on a sample of fine aggregate and produced the results in Table…

A: Note:- Hi! Thank you for the question, As per the honor code, we are allowed to answer three…

Q: 6. A sample of lightweight coarse aggregate weighs 532.3 g when oven-dried, 615.7 g when saturated…

A:

Q: Dry weight of coarse aggregate, fine aggregate and water for 1 m3 of one type of concrete requires…

A: Dry weight of coarse aggregate(in 1 m^3 of mixture)=1100 kg Dry weight of fine aggregate(in 1 m^3 of…

Q: (b). Calculate the amount of cement, water, fine aggregate, and coarse aggregate per trial mix of…

A: A concrete mix implies a mix of five most significant parts in various proportions of concrete,…

Q: 4. For a construction work, we have to prepare concrete at the site. The concrete is prepared by…

A:

Q: As a materials engineer in charge of designing concrete mix and facing the following problems, which…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Aggregate from three sources having bulk specific gravities of 2.90, 2.70, and 2.60 was blended at a…

A: Given,specific gravities,G1=2.90G2=2.70G3=2.60blended ratio=w1:w2:w3=60:30:10let,x=bulk specific…

Q: 5.17 Calculate the sieve analysis of the following aggregate and plot on a semilog gradation paper.…

A: The given table is shown below:

Q: How will the results of testing aggregates be useful in making concrete?

A:

Q: a) After concrete has been placed it should be consolidated either by hand tamping or by a small…

A: Benefits of hiring a plant: The benefits of hiring a plant instead of buying are as follows: A…

Q: 500 gm oven dry fine aggregate was tested to find its physical properties. The output from the test…

A: Solution: Given Data: Weight of dry fine aggregate  X=500 gm X1=mass in wet condition 518 gm S=SSD =…

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

A: It is necessary to measure the air content of concrete at the job site rather than at the batch…

Q: why do we need to know the Specific Gravity and Absorption of Fine Aggregate, Surface Moisture of…

A: (1) Specific Gravity: Since, specific gravity is the ratio of densities. Therefore, specific gravity…

Q: 5.32 Calculate the fineness modulus of aggregate A in problem 5.23. Is your answer within the…

A: Sieve size (mm) % passing % cumulative retained 25 100 0 19 92 8 12.5 76 24 9.5 71 29…

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.