1.1 What is definition of segregation in fresh concrete? Given some examples of segregation. 1.2 What measurements can be used to avoid the segregation in fresh concrete? 13 What is the workability of concrete? 1.4 What are the factors that affect the workability of concrete?

Q: 7-List and explain factors that affecting the workability of fresh concre 8- What are the most…

A: 7) Workability of fresh concrete :   let's understand in a simple words: property by which the…

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: A building design calls for specified concrete strength f, of 4000 psi. Calculate the average…

A: Given:- Specified concrete strength f'c = 4000 psi To determine:- Average required strength (f'cr)…

Q: a) What may happen to the concrete if you chose to sprinkle some water on it before it has had a…

A: Curing of concrete  has to be done after 24hr of  placing of concrete in its final position.…

Q: Define the process of modeling reinforced concrete with abaqus?

A: Answer:- Abacus modeling:- On the basis of the central objectives three dimensional Finite Element…

Q: A: Different types of plasticizers in concrete and determine their effect on fresh concrete  B: Find…

A: Solution(a)- Different types of plasticizers in concrete- 1. Citrates- They're tetra esters, formed…

Q: Describe how to store sacks of cement at the construction site to protect it from the environment

A: Storage of cement bag may include:

Q: Subject: concrete technology Q1. (a) Describe the effects of C3S on the properties of concrete. (b)…

A: (a) Effects of C3S on properties of concrete: Increasing C3S content in  concrete increases its…

Q: Concrete Compressive Strength test Discussion: 1.Why did you use three samples? 2. What changes do…

A: Note: Hi! Thank you for the question As per the honour code, We’ll answer the first question since…

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: How does one obtain a concrete sample from a batch in accordance with ASTM C172

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: How important is lime to the performance of concrete? How does lime affects the performance of…

A: Lime provides high water retention, ensuring the fastest possible hardening of the binder. High…

Q: Why is concrete classified and measured separately in different categories?

A: The estimation method has to calculate a variety of objects to plan a cost trade-off from…

Q: What do you mean by concrete mix design? what are the major 5 factors that must be considered while…

A: The concrete is made up of cement, sand, coarse aggregates and fine aggregates, which when placed…

Q: What is concrete shrinkage, what factors influence it?

A: Shrinkage is defined as an inherent property of the concrete. Actually these are termed as the…

Q: Can poorly graded aggregate impact the compressive strength of concrete? Justify your answer.

A: Poorly graded aggregate have small variations in size. This means that the particles are packed…

Q: Define the concept of  Concrete mix design for sustainability?

A: Define the concept of  Concrete mix design for sustainability?     Concrete is a mixture of cement,…

Q: What is self-consolidating concrete? How are its properties achieved? Howare these properties…

A: Self-consolidating concrete or self-compacting concrete (SCC) is a concrete mix which has a low…

Q: What are the potential issues of Green concrete ?

A: potential issues of Green concrete are:

Q: Explain the significance of measuring the mechanical properties of hardened concrete and where it…

A: The mechanical properties of hardened concrete: The mechanical properties evaluates the performance…

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

A:

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: Water Absorption Calculations Table 1 shows the proportions of concrete making materials required to…

A:

Q: 6% (Q.5) Discuss the influence of plastic shrinkage of concrete? How can control of plastic…

A:

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: Discuss the impact of superplasticizers on the cost of placing concrete.

A: Let us analyse the question in step 2.

Q: How does types of cement can affect the strength of concrete? Prepare your reasons by giving TWO (2)…

A: Cement is a binder which is mixed along with aggregates and other constituent to form concrete.

Q: Subject: Concrete Technology Q#3: a) What do you mean by concrete mix design; what are the major…

A: Brief concept- Concrete- It is the mixture of the coarse aggregate, fine aggregate, binding agent…

Q: What is the errors that might happen on this lab test and how to prevent it?

A: Adsorption tests determine the water absorption capacity of hardened concrete by capillary suction.…

Q: Explain in your own words the processes of concrete testing from the transit mixer up to the 28-day…

A: It is asked to explain the process of concrete testing from the transit mixer up to the 28-day…

Q: What is the ASTM Designation of Slump Test of Concrete Cylinder? How do you measure the stump of…

A:

Q: What are the main reasons of concrete segregation? What are the main causes of plastic shrinkage…

A: Solution: 1. Concrete segregation is defined as the process of separation of concrete into its raw…

Q: How the GGBS will affect the performance of geopolymer concrete? How the metakaolin will affect the…

A: Answer:- Geopolymer concrete: It is a type of concrete which is made by reacting aluminate and…

Q: Explain why we need to use the smooth surface of the cubes for compressive strength testing. What…

A: Hi! Thank you for the question. As per the honor code, we’ll answer the first question since the…

Q: 1. Explain why increasing the water content produces a weaker concrete. 2. What is heat of…

A:

Q: This is not an assignment question A. Explain the property of course aggregate in which we cannot…

A: Brief concept- Coarse aggregate- Those aggregates whose sizes fall in the range of 4.75 mm to 80 mm…

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: Considering the data in the table below; Select the cement type suitable for concrete production in…

A: Concrete is the most used building material in the construction industry. It is made by mixing…

Q: Q2 c Discuss three (3) common concrete problems due to improper concreting works that can affect…

A: Given : Common concrete problems.

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 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: 1-What is the bond strength between steel and concrete and how it can be calculated? 2-What is the…

A: 1.Bond Strength:- Bond Strength is defined as the force which resist the separation of two…

Q: esults. ) The level of “Quality Control" for the produced concrete.

A: (C) Introduction : Concrete's durability can be characterised as its capacity to withstand…

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.