How various properties of aggregates affect workability of concrete? b) If the peak load of concrete cylinder in compression is 70,000 pounds, find the crushing strength of concrete? (Hint: concrete cylinder dia is 6in).

Q: 2. In a ready-mix concrete plant, cylindrical samples are prepared and tested periodically to detect…

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Q: Discuss the concept of high-performance concrete. Discuss some of its properties that make it…

A: - High performance concrete (HPC) is a type of concrete engineered to be stronger and more robust…

Q: Discuss five different desirable characteristics of aggregate used in Portland cement concrete (PCC)

A: Here some of the most desirable characteristics of aggregates used in portland cement concrete are…

Q: A modulus of rupture test is conducted on an MgO refractory brick with the following data obtained:…

A: Modulus of Rupture is used to calculate the maximum load a material can carry before it breaks. It…

Q: Concrete is strongest when subjected to: OA Tension O B) Bending O9 Torsion

A: 1. The concrete is strongest when subjected to:

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: 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: A concrete mix includes the following ingredients per cubic meter: Cement%3D400 kg Water=184 kg No…

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Q: 5.43 What is alkali-silica reactivity? What kinds of problems are caused by ASR? Mention two ways to…

A: Alkali Silica Reactivity Alkali-silica reactivity (ASR) is a chemical reaction that occurs between…

Q: 11. Calculate the density (in kg/m³) and the compressive strength of the concrete (in MPa or N/mm?)…

A: The given data is: Cubic Sample of 100 mm Weight (kg) Load (kN) 1 2.52 655.8 2 2.59 670.9 3…

Q: Four 150*300 cylindrical specimens were made from a concrete mix. Specimens were tested for 7 days…

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Q: What is the fineness modulus of this aggregate?

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Q: estimate the water content of the mix estimate the content of aggregates, provide the estimated mix…

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Q: True or false:  Generally speaking, concrete will be priced the same regardless of its designed…

A: The fundamental construction material concrete plays an important role in countless construction…

Q: In compressive strength testing of concrete, which type of concrete will give a more accurate…

A: given-100 mm×100 mm cubed concreteand100 mm cylinder concrete