Fly ash, which is among the mineral additives and used as a concrete additive; • Its use in dam concretes, • Its use in concrete design in hot and cold weather conditions, • Effects on the strength and durability of concrete, • Write your comments by evaluating the effects on the workability of concrete. Your opinion about these hennas is very important.

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

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

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Q: 10. Determine the forces in all members of the truss shown and specify whether they are in Tension…

A: Method of joints is used to determine forces in truss members. Each joint is analyzed separately and…

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: under the following boundary conditions (x = 0, y = 0); (x = L, y = yMax). what kind of beam is…

A: Beams can also be described with their boundary conditions. In the given question,  When x=0…

Q: Plz, write a detail notes and where they are used of the following materials in the concrete.…

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Q: Q#1. Define Durability? Explain the physical and chemical causes of inadequate durability. (CLO2) a:…

A: In civil engineering, the building materials are used according to their properties such as…

Q: a. Explain the term super plasticizers. How are they useful in concrete production? b. Explain the…

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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: discuss four criteria in the mix design that support sustainable construction

A: Mix Design: Concrete mix design refers to designing the proportions of the various ingredients which…

Q: The design of a concrete mix requires 1173 kg/m3 of gravel in dry condition, 582 kg/m3 of sand in…

A: The expression for mass of mix water is given as Mw=Wc-GcMcgravel-Agravel-ScMcsand-Asand Here, Wcis…

Q: write small introduction about (cement, fine aggregate, coarse aggregate ) also about superplstizer…

A: Cement is a binding substance used for building, and civil engineering construction works. Cement is…

Q: Explain the reactions and results between raw materials in kilns in cement production

A: Introduction : Cement kilns are used in the pyroprocessing stage of the production of Portland and…

Q: 8) In the plastic area, the use of regulations based on .. is not allowed due to.. .... ... A) ASD,…

A: Here are also warning are given initially, however I do my best as like my previous answer.    Let's…

Q: e properties of five different pozzolans: Ground blast furnace slag, Silica Fume, Class F fly ash,…

A: Pozzolans, a large class of siliceous and aluminous minerals, are chemically reactive with calcium…

Q: 1. Aggregate occupies what percentage by mass of normal concrete? 2. Natural aggregate deposits are…

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Q: Approximately 70% of concrete is made up from aggregates. Some stated that aggregates are only an…

A: b) Even in ideal conditions, the phrase inert indicates not reacting to anything else. As a result,…

Q: If you have a dry weight of 35lb (aggregate, cement, and sand) and the mix proportion to produce the…

A: Given data,Dry weight = 35lbMix proportion: 3 parts aggregate : 2 parts cement : 1 part sandTo find…

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

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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: 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: Green Uses of Concrete

A: Answer:- Concrete and Green concrete:- Concrete is the most commonly used man made material on…

Q: Mixing and handling can significantly alter the air content of fresh concrete. Thus, field tests are…

A: Air entrapped concrete is used generally in areas with low temperatures and damages can occur due to…

Q: Students in the materials lab mixed concrete with the following ingredients: 22.1 lb of cement, 41.6…

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Q: Chemically speaking, how does concrete/cement react with water, its chemical composition, etc.? How…

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Q: In the context of concrete structures, what is shrinkage? How does it occur? Discuss the factors…

A: Shrinkage:-  The decrease in either length or volume of material results from changes in moisture…

Q: calculate the volume of products hydration for 100g cement and 30 ml of water cured in a sealed test…

A: Taking Specific gravity (S.G) of dry cement = 3.15 Absolute volume of total dry cement added,…

Q: the compressive strength is 30.68 MPa, water - cement ratio is 0.45, and coarse aggregate is 992…

A: If the compressive strength is 30.68 MPa, water - cement ratio is 0.45, and coarse aggregate is 992…

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: After pouring concrete into formwork, :compaction will be required because •compaction can reduce…

A: Compaction is the process of removing air entrapped from the concrete to increase the density,…

Q: Q4. Use the information in column B to fill in the missing parts of the sentences in column A: A B…

A: Rapid hardening Portland cement has more C3S and less C2S.

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: Q.1 Chemical admixtures have been used in the production of concrete to improve its performance in…

A: Part a) The primary admixture that would be used in this scenario would be a high-strength concrete…

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: a) Name and sketch diagrams of four (4) various moisture content of aggregate. Which is the most…

A: Solution: a.   The four various moisture content of aggregate are: 1. Oven Dry : In this the whole…

Q: Two groups of concrete produced with exactly the same mixing properties are given in the Table…

A: Compressive strength of concrete-                    Usually, the compressive strength of concrete…

Q: (c) Explain why concreting works in the rain is prohibited during construction. Give two (2)…

A: It is asked to explain why concreting works in the rain is prohibited during construction and also…

Q: Q4- The following information is obtained from the strength test carried on concrete cubes of shown…

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Q: Discussion on the experience of fineness of cement in civil engineering with the solution

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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.