What is the object of concrete technology?

What is the object of concrete technology?

What is the objective of concrete technology? Explanation: To identify and comprehend ideas connected to concrete technology, which includes the various types and properties of concrete as well as various adhesive materials and their critical application in the construction of safe and cost-effective structures.

What are the interview questions on concrete technology?

This set of Concrete Technology Interview Questions and Answers focuses on “Cracking of Concrete, Evaluation of Cracks”.

• How can we prevent cracks in concrete structures?
• What is the maximum w/c ratio?
• Which can be the possible option for cracking in the building?
• Is it possible to have 0% crack in our building?

What is the importance of concrete technology?

It addresses the properties of concrete needed in construction applications, including strength and durability, and provides guidance on all aspects of concrete from mix design to batching, mixing, transporting, placing, consolidating, finishing, and curing.

What are concrete technologies?

Concrete technology deals with study of properties of concrete and its practical applications. In a building construction, concrete is used for the construction of foundations, columns, beams, slabs and other load bearing elements.

Who is father of concrete technology?

William Aspdin (23 September 1815 – 11 April 1864) was an English cement manufacturer, and a pioneer of the Portland cement industry. He is considered the inventor of “modern” Portland cement….

Why is concrete gray?

Why is concrete gray? First of all, concrete can be ordered in many colors. The natural color of concrete is gray because the color of the cement used to make it is typically gray. Now, the reason the cement is gray has to do with the manufacture of Portland Cement.

Who is the father of concrete technology?

William Aspdin (23 September 1815 – 11 April 1864) was an English cement manufacturer, and a pioneer of the Portland cement industry. He is considered the inventor of “modern” Portland cement….

What is the density of concrete?

2.4 g/cm³Concrete / Density

What are the 4 main ingredients of concrete?

Concrete is a mixture of cement, air, water, sand, and gravel–it’s as simple as that! Not exactly. The typical concrete mix is made up of roughly 10% cement, 20% air and water, 30% sand, and 40% gravel. This is called the 10-20-30-40 Rule–though proportions may vary depending on the type of cement and other factors.

Who first used concrete?

Egyptians
6500BC – UAE: The earliest recordings of concrete structures date back to 6500BC by the Nabataea traders in regions of Syria and Jordan. They created concrete floors, housing structures, and underground cisterns. 3000 BC – Egypt and China: Egyptians used mud mixed with straw to bind dried bricks.

What is cement colour called?

Cement essentially consists offour mineral phases: two calcium silicates, a calcium aluminate and a mixed crystal known as calcium aluminate ferrite (C4AF). While the first three appear as pure white minerals, pureC4AF has a brown color because of itsiron content. So theoretically, pure cement would be brown.

What is the natural color of concrete?

The natural color of concrete is gray because the color of the cement used to make it is typically gray. Now, the reason the cement is gray has to do with the manufacture of Portland Cement.

What is the workability of concrete?

What is the Workability of Concrete? Workability of Concrete is a broad and subjective term describing how easily freshly mixed concrete can be mixed, placed, consolidated, and finished with minimal loss of homogeneity.

What is the unit of concrete?

The unit weight of R.C.C. (in kg/m3) is ______.

What is the ratio of concrete?

Typically, a mix is about 10 to 15 percent cement, 60 to 75 percent aggregate and 15 to 20 percent water. Entrained air in many concrete mixes may also take up another 5 to 8 percent.

What is the strength of concrete?

While traditional concrete normally has a compressive strength ranging anywhere from 2,500 to 5,000 psi, UHPC can have a compressive strength of up to 10 times that of traditional concrete.

Why is cement white?

The color of white cement is determined by its raw materials and the manufacturing process. Metal oxides, primarily iron and manganese, influence the whiteness and undertone of the material.

What are the questions and answers for concrete technology?

Home » [Concrete Technology] Questions » 300+ TOP Concrete Technology Questions and Answers 1. Concrete grows with age. This statement is 2. Concrete in the structural member has to pass through 3. Separation of the coarse aggregate from mortar is called 4. The ease with which concrete can be compacted fully without segregation is called 5.

What is the workability of concrete expressed as compacting factor?

For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be 42. Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is 43. In case of hand mixing of concrete, the extra cement to be added is

How is calcareous material used in the manufacture of cement?

Calcareous material used in the manufacture of cement consists of 39. In the manufacture of cement, the dry or wet mixture of calcareous and argillaceous materials is burnt in a 40. In the manufacture of cement, the dry or wet mixture of calcareous and argillaceous materials is burnt at a temperature between

What is the bleeding of concrete due to 10?

Bleeding of concrete may be due to 10. The approximate value of the ratio between direct tensile strength and flexural strength is 11. Strength of concrete increases with 12. The relation between modulus of rupturefcr and characteristic strength of concrete fck is given by 13.