Explain (I) water-cement ratio, (II) the effects of varying water-cement ratio on concrete properties in both fresh and hardened states.

Q: If the required slump is 75 mm and the maximum aggregate size is 22.5 mm, what is the quantity of…

A: Given Data: Slump size = 75mm Aggregate Size = 22.5mm

Q: On one graph, draw a sketch showing the typical relationship between the stress and strain of…

A: Draw the typical relation between the stress and strain of concrete specimen with high and low water…

Q: The name of the test used to measure the consistency and workability of fresh concrete is called the…

A: The name of the test used to measure the consistency and workability of fresh concrete is called the…

Q: What problems are likely to occur if concrete has too low a slump? Too high a slump? How can the…

A: What problems are likely to occur if concrete has too low a slump?   Concrete with a low slump has a…

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: Discuss the influence of the water cement ratio, entrained air and cement content on concrete…

A: The ability of a structure to carry loads on its surface without cracking or deflection is known as…

Q: Define the Water-Cement Ratio and How it is related to the strength of concrete?

A: Water-cement ratio:  Water content in the given volume of the concrete will have significant…

Q: e moduli and the ultimate stresses on the same graph of part (c), using the relation of the ACI…

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

Q: What

A: Fineness of cement is an indication of the surfacea area ratio. Increased fineness indicates…

Q: 1. The water-cement ratio is important because it influences all of the desirable qualities of…

A: SSD - Saturated Surface Dry state is the condition of aggregate where the surface of aggregates are…

Q: Describe effect of height to diameter ratio on concrete stremgth

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Q: What is the difference between naturalcement and Portland cement?

A: This is a question of Building Materials based on Cement.

Q: Differentiate the various type of cement and give their corresponding applications.

A: The various type of cement with their corresponding applications are as follows: Rapid Hardening…

Q: Explain pozzolanic reaction with hydration products and its effects on hardened concrete properties.

A: When cement is mixed with water it reacts and its constituent compounds undergo a series of chemical…

Q: State and explain the effects of fineness of cement hydration rate.

A: The fineness of cement is one of the major factor influencing the rate of hydration because of the…

Q: The results of a laboratory experiment to evaluate the effects of a plasticizer are shown below. a.…

A: a)The water content ratio: water/cement=water content/cement content water/cement=446/815…

Q: Is it suitable to use the partial replacement of cement with Calcium bentonite in concrete to…

A: Bentonite is a clay mineral, it is a kind of natural pozzolanic material that improves the…

Q: What is the value of the Whitney stress block parameter, β1, for 6000 psi concrete?

A:

Q: a. Referring to the Figure, which portion of water is used to calculate the water-cement ratio?…

A:

Q: Subject: concrete technology Question:1 a) Which cement would you not use with calcium chloride? b)…

A: Brief Concept- Concrete technology- The concrete technology describes the different properties and…

Q: Subject: Concrete technology Q: a)What are the disadvantages of using calcium chloride in Portland…

A: Portland cement is the most common type of cement that is generally used throughout the world as a…

Q: Q1 /Choose the correct answer. 1-To prevent the flash set from happening.. a) Gypsum is added to…

A: As per the company's policy we can answer(with explanation) only first 3 questions in case of…

Q: Controlling excessive temperature gradients in large concrete masses is very crucial. Explain in…

A: After the placement of the concrete, monitoring the temperature of concrete is one of the most…

Q: O. According to ASTM how much content of limestone shall be added to Portland cement and how it is…

A: Brief Concept Introduction: ASTM- It stands for American Society for Testing and Materials. Portland…

Q: what are the effects of alkaline solution on the performance of geopolymer concrete?

A: The geopolymer concrete is the mixture of course aggregate, sand, fly ash and alkaline solution of…

Q: Why isn’t pozzolan used with Type III cement?

A: The type III cement is called high early strength cement, it is used for fast track construction…

Q: What is a typical value for the fineness of portland cement?

A: The clinkers are formed using the limestone and clay for the production of cement. The temperature…

Q: Workability of concrete mix with low water cement ratio is determined by Tensile strength test B…

A: Workability is the ease with which concrete can be placed and worked upon it. Workability of…

Q: 15 The results of a laboratory experiment to evaluate the effects of a plasticizer are shown. a.…

A: a) The water content ratio: water/cement=water content/cement content The water cement ratio for the…

Q: Discuss the effect of water–cement ratio on the quality of hardened concrete.Explain why this effect…

A: Solution:  Effect of water–cement ratio on the quality of hardened concrete The ratio of  is defined…

Q: State and explain the qualities of good cement. Explain each qualities thoroughly

A:

Q: The Portland Cement Association recommends a minimum cement content of for concrete placed under…

A: It is asked a minimum cement content of for concrete placed under water recommended by The…

Q: 7.43 Three batches of concrete were prepared using the same materials and ingre- dients, except that…

A: Given,

Q: What is the purpose of adding gypsum while manufacturing cement; what are the consequences of making…

A: Gypsum is a naturally occurring mineral, and it plays a very important role in controlling the rate…

Q: Design a concrete mix which is already solved by using Eprical Formulas according to ACI and TS and…

A: Consider this example for designing the concrete mix Example : A concrete mix required for…

Q: Consider the following data for concrete with mild exposure Water-cement ratio = 0.50 Water = 191.6…

A:

Q: WHY IS THE WATER-CEMENT RATIO NECESSARY IN A CONCRETE MIX DESIGN?

A: The water-cement ratio determines the strength and durability of the concrete material when it was…

Q: The results of a laboratory experiment to evaluate the effects of a plasticizer are shown. a.…

A: Given data, Plasticizers are used for improving the properties of concrete such as strength, slump,…

Q: Consider the following data for concrete with mild exposure Water-cement ratio = 0.50 Water 191.6…

A: For 1 m3 of concrete Water cement ratio = 0.5 Amount of water = 191.6 l =191.6 kg Cement content =…

Q: Describe the challenge of concrete mixture design and the importance of compressiv

A: Challenges of concrete mixture design -  Bad adaptability leads to cement concrete slump loss…

Q: According to ASTM how much content of  lime stone shall be  added to the port land cement and how it…

A: Portland limestone cement is new to US in category of the cement type. It contains 5-15% 0f the…