Construction Materials and Testing

<p>Its porosity and how it affects concrete mix design. (C)</p> Signup and view all the answers

<p>Aggregate Impact Value Test (A)</p> Signup and view all the answers

<p>The temperature at which bitumen softens (A)</p> Signup and view all the answers

<p>Marshall Stability Test (C)</p> Signup and view all the answers

<p>The workability and consistency (B)</p> Signup and view all the answers

<p>Sieve Analysis (C)</p> Signup and view all the answers

<p>The hardness of bitumen (B)</p> Signup and view all the answers

<p>Flexural Strength Test (B)</p> Signup and view all the answers

<p>Compressive strength of hardened concrete (B)</p> Signup and view all the answers

<p>Bend Test (A)</p> Signup and view all the answers

<p>To assess quality and uniformity of concrete (D)</p> Signup and view all the answers

<p>Hardness (C)</p> Signup and view all the answers

<p>Impact Test (D)</p> Signup and view all the answers

<p>It reveals construction quality and risks involved. (D)</p> Signup and view all the answers

<p>By its particle size using IS sieve (A)</p> Signup and view all the answers

<p>Overall characteristics and proper concreting (D)</p> Signup and view all the answers

<p>It aids in strength development and durability. (D)</p> Signup and view all the answers

<p>Cavities can form within it, causing damage. (B)</p> Signup and view all the answers

<p>Compression Testing Machine (B)</p> Signup and view all the answers

<p>To determine the flow and consistency of concrete (C)</p> Signup and view all the answers

<p>Reduced hydration and development of strength (B)</p> Signup and view all the answers

<p>To evaluate the expansion of cement (A)</p> Signup and view all the answers

<p>Concrete slump cone (C)</p> Signup and view all the answers

<p>It indicates the maximum moisture content allowed. (C)</p> Signup and view all the answers

<p>Flexural strength (A)</p> Signup and view all the answers

<p>250 ml (C)</p> Signup and view all the answers

<p>The permeability to water of cement mortar (D)</p> Signup and view all the answers

<p>30 minutes (C)</p> Signup and view all the answers

<p>The total air content in fresh concrete (C)</p> Signup and view all the answers

<p>100 mm diameter × 50 mm high specimens (D)</p> Signup and view all the answers

<p>The ease with which concrete flows (D)</p> Signup and view all the answers

<p>To measure the cement's ability to maintain structural stability during setting and hardening. (B)</p> Signup and view all the answers

<p>The initial and final setting times of cement. (A)</p> Signup and view all the answers

<p>To assess the fluidity and viscosity of mixtures like mortars and muds. (A)</p> Signup and view all the answers

<p>The density relative to water. (C)</p> Signup and view all the answers

<p>To determine the alkali content of cement. (A)</p> Signup and view all the answers

<p>The amount of water required to achieve a specific penetration depth of a needle. (A)</p> Signup and view all the answers

<p>The concrete element may experience dimensional instability and cracking. (B)</p> Signup and view all the answers

<p>Mixing cement pastes and mortar effectively. (B)</p> Signup and view all the answers

Measures how well materials transfer heat; varies with substance.

Evaluates materials under electrical stresses like dust, fog, and high voltage.

Analyzes materials without causing any damage to them or their structures.

Determines particle size distribution of aggregates using different sieves.

Measures the amount of water an aggregate can absorb, indicating porosity.

Percentage of bitumen in mixtures, assessed via ignition or solvent extraction.

Temperature when bitumen emits ignitable vapors.

Temperature at which bitumen becomes soft, identified using a Ring and Ball test.

Measures the workability of fresh concrete by evaluating its slump.

Measures bitumen's elongation before breaking, ensuring binding quality.

Measures compressive strength of hardened concrete by crushing specimens.

Determines tensile strength of concrete by loading a beam at its center.

A non-destructive test estimating compressive strength of hardened concrete.

Measures speed of ultrasonic waves in concrete to assess quality and strength.

Determines tensile properties of steel including yield and ultimate strength.

Assesses ductility of steel by bending to a specific angle without cracking.

Measures hardness of steel by pressing a ball into its surface under standard load.

Measures cement particle size using sieving to determine quality.

Time from water addition until cement loses plasticity.

Time from water addition until cement hardens sufficiently.

Measures water percentage for a specific penetration in cement paste.

Stability of cement during setting and hardening without cracking.

Ratio of cement mass to water mass in an equal volume.

Used to measure consistency, initial and final setting times of cement.

Determines viscosity and fluidity of mortars and similar materials.

Measures apparent density of non-cohesive powders like cement.

A tool to determine cement expansion, consisting of a split cylinder and indicator stems.

A 250 ml glass flask for measuring specific gravity of hydraulic cement and lime.

Device to determine setting time and expansion of cement samples, holding up to 12 molds.

Tests the permeability of cement mortar with or without waterproofing, using pressurized water.

Analyzes properties of concrete samples through various tests, both on-site and in labs.

Measures total air content in fresh concrete, not accounting for lost air during handling.

Assesses workability of freshly mixed concrete by measuring how much it slumps.

Refers to how easily concrete flows, which affects its workability and final properties.

A process to maintain moisture and temperature for concrete durability and strength.

Determines the consistency of fresh concrete and its transportable moisture limit.

A hydraulic machine designed for conducting compression tests on concrete specimens.

Apparatus to determine concrete flow, consisting of various steel parts.

Designed to perform flexible tests on concrete beams and other materials.

Maintaining adequate moisture during curing is crucial for strength.