Why is it necessary to measure the air content of concrete at the job site rather than at the batch plant? Name one of the methods used to measure the air content of concrete.

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: 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: rpose of adding alcohol in test method C173?

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

Q: Problem: A project you are a part of would have to pour a slab on grade (SOG) with an area of 1.5m x…

A:

Q: 2. Maximizing the amount of aggregate, to a certain extent, improves the quality and economy of the…

A: 1.) Concrete Temperature limits are established to ensure that high quality concrete with specified…

Q: Name and explain at least three different methods of curing.

A: Curing: curing is the process of applying external moisture to the newly laid concrete to reach its…

Q: The cement paste requirement for concrete is related to the void content of the combined aggregates.…

A: The cement paste requirement for concrete is related to the void content of the combined aggregates…

Q: Problem: A project you are a part of would have to pour a slab on grade (SOG) with an area of 1.5m x…

A:

Q: Discuss the cement manufacturing process on the basis of the equipment and process diagram

A: Manufacturing of cement

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

A: Answer The wastewater from the ready mixed concrete operation is the water that comes from the…

Q: A concrete slab is found to have a characteristic strength of 28 N/mm“ and density of 2350 kg/m from…

A: given  Cores 100 mm dia. Area 7854 mm2. The following is a detailed calculation carried out on…

Q: Reflection on Green concrete technology

A: Green concrete technology What is Green Concrete Technology Green Concrete is a revolutionary topic…

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: The crew hour productivity rate for cast in place concrete is: O 0.128 ch/m3 O 0.067 ch/m3 O 0.111…

A: Note-Since we answer one question at a time so we will answer the first one. Please resubmit another…

Q: Q-5 Contractor asks your opinion for use in buildings; • What are the advantages and disadvantages…

A: Advantage of plaster  and mortar prepared with gypsumContractors and Builders started preferring…

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

A: Consisitency of the cement paste is the minimum water content require to make cement paste…

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: a- What do you mean by concrete mix design; what are the major factors that must be considered while…

A: It'll be worthwhile to recall the connections between total and paste, the two essential…

Q: would happen to concrete during early hours casting?

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

Q: Can a natural fiber become an additive in concrete to improve its performance? Why?

A: Yes, a natural fiber can be an additive in concrete to improve its performance why because Fibres…

Q: What are the potential issues of Green concrete ?

A: potential issues of Green concrete are:

Q: What are some of the factors that affect concrete strength, when using machine to mix at a…

A: Many factors influence concrete strength, including raw material quality, water/cement ratio,…

Q: (c) An engineer has ordered concrete grade 50 from a batching plant. However, the cube compressive…

A: Following is required answer :

Q: What is your recommendation for the maximum size of coarse aggregate for a column 500X500 mm if the…

A: Column size= 500mmx500mm, clear distance between bars= 50mm minimum cover= 40mm  The condition that…

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

A:

Q: What would be the effect on the slump if there is more water in the concrete mix?

A:

Q: 1) Explain the step by step procedure of preparing the ready-mix concrete starting from collecting…

A: Ready-Mix Concrete is mortar that it was from a given designed design mix, is processed in a batch…

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

A: Let us analyse the question in step 2.

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's the importance of determining the soundness of cement to civil/structural engineers in the…

A: The soundness of Cement : 1. The soundness of cement can be defined as its ability to retain its…

Q: What do we mean by curing concrete? What will happen if concrete is not cured?

A: Curing :               Curing is the gradual process of application of moisture content or water to…

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: 1.1 What is definition of segregation in fresh concrete? Given some examples of segregation. 1.2…

A: Segregation of concrete is defined as the non uniform mix which was obtained by the separation of…

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: (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: What are the important parameters monitored in cement production? What are the raw materials needed?

A:

Q: 1.2 State 4 factors that can be used to balance the workability of a concrete mix. For each of these…

A: Workability  The amount of energy required to overcome friction while compacting is the feature of…

Q: What is maximum capacity of measure should be used in determining the density of the concrete if the…

A: Explanation-Whenever the nominal maximum aggregate size of coarse aggregate is 25 mm, the maximum…

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

A: concrete mix design - concrete mix design is define as the selection of ingredient in concrete…

Q: What kind of admixtures are used to prepare a concrete mix of 80Mpa.

A:

Q: You are building a structure in Arizona during the summer. You notice that the aggregate stockpile…

A: Introduction- A bulk material stockpiling is a mound or store site for bulk materials that is used…

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: Q1: A/ Explain the concrete failures and which type is the common for concrete in Iraq? B/ Define…

A: 1)                  Failures of the concrete structure depends upon the disaster that the country or…

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

A: Density, Absorption and Voids in Hardened Concrete lab test The density test in hardened concrete is…

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.