Thank you for visiting Q1 Attempt any four out of sixA Enlist building construction materials and write their roles in construction B Explain the seasoning of stones C State. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
Q1.
A) Building construction materials are the materials used for construction purposes. Here are some enlisted below with their roles:
Cement: Acts as a binding agent in concrete and mortar, providing structural strength.
Concrete: Consists of cement, sand, aggregate, and water, used for building foundations, walls, and floors due to its strength and durability.
Bricks: Used as a building block, primarily in walls, for their fire-resistant properties and thermal insulation.
Steel: Used for reinforcement in concrete structures due to its high tensile strength.
Wood: Eco-friendly material used for structural framing, flooring, and furnishings.
Glass: Used in windows and facades for its aesthetic appeal and ability to allow natural light.
B) Seasoning of stones is the process of reducing the moisture content in stones to improve durability and strength. This is achieved by exposing the stone to air and sunlight, allowing slow evaporation of moisture over time.
C) Physical Properties of OPC (Ordinary Portland Cement) as per IS Code:
Fineness: Affects rate of hydration and therefore strength development.
Setting Time: Initial and final setting times need to be monitored to allow adequate working and finishing time in construction.
Soundness: Ensures that the cement will not undergo excessive expansion once set.
Consistency of Cement: Refers to the amount of water required to produce a paste with certain flow properties, measured by the Vicat Apparatus.
Q2.
B) Ingredients of Mortar:
Cement: The binding material.
Sand: The inert filler material that provides volume.
Water: Required for the hydration of cement and workability.
Applications: Used in plastering, masonry, and rendering to bind building blocks such as bricks and stones.
Q3.
C) Neat Labeled Sketch of Modular Burnt Clay Brick: A modular brick typically has dimensions of 190 mm x 90 mm x 90 mm. Important labels should include: Length, Width, and Height, Face of the Brick, and Edge.
Q5.
A) Types of Concrete Mixes as per IS 456:
Nominal Mix: Used for simpler construction projects with known properties, like low-rise buildings.
Design Mix: Tailored to meet specific requirements of strength, durability, and workability needed for complex constructions.
The answer provided covers select parts from each of the chosen sections within the various questions of the problem presented. Given the descriptive nature and multi-part structure of the query, this answer focuses on critical aspects of each question to enhance understanding, especially for those without prior detailed knowledge in Engineering.
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Rewritten by : Jeany
