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HIGH SCHOOL

Engineering

Concept Videos

Civil Engineering

Masonry Materials

Masonry
01:28
Masonry

Masonry is an assembly of individual units like concrete blocks, stones, or bricks laid in rows and bonded with mortar to create walls, floors, arches, ...

Video Duration: 1 minute and 28 seconds
Mortar
01:29
Mortar

Ingredients such as Portland cement, an essential binding agent; hydrated lime, which improves workability; sand, a carefully screened inert aggregate; ...

Video Duration: 1 minute and 29 seconds
Mortar Properties
01:17
Mortar Properties

Good mortar in a plastic state possesses good workability and the ability to retain water. Good workability allows the mortar to spread smoothly, adhere ...

Video Duration: 1 minute and 17 seconds
Bricks
01:14
Bricks

Bricks are masonry units made from fired clay in various shapes, sizes, and colors. Conventionally, bricks were made in a simple wooden mold, producing a ...

Video Duration: 1 minute and 14 seconds
Brick Sizes
01:21
Brick Sizes

The dimensions of a brick are determined by three measurements: its width, height, and length. Typically, bricks are sized to build walls in modules of 4 ...

Video Duration: 1 minute and 21 seconds
Brick Classifications
01:16
Brick Classifications

The bricks used in construction are generally classified as facing bricks, building bricks, and hollow bricks. Facing bricks, also known as face bricks, ...

Video Duration: 1 minute and 16 seconds
Brick Durability, Strength, and Appearance
01:15
Brick Durability, Strength, and Appearance

Freeze-thaw is the process where water absorbed within a brick expands upon freezing and contracts when it thaws, leading to the degradation of the brick. ...

Video Duration: 1 minute and 15 seconds
Brick Masonry
01:12
Brick Masonry

The simplest brick masonry wall has one single wythe with a stretcher course. In this arrangement, the brick's longer edge runs horizontally, with its ...

Video Duration: 1 minute and 12 seconds
Brick Cutting Techniques
01:08
Brick Cutting Techniques

Consider building a brick wall where a full brick cannot fit into the remaining space. To fit a brick in this space, a mason's hammer with a ...

Video Duration: 1 minute and 8 seconds
Mortar Joints in Brick Masonry
01:25
Mortar Joints in Brick Masonry

Mortar joints are the spaces between bricks filled with mortar. Joints bind the bricks together, ensuring structural integrity and strength. The thickness ...

Video Duration: 1 minute and 25 seconds
Spanning Openings in Brick Walls
01:20
Spanning Openings in Brick Walls

When building brick walls, openings for windows and doors need to be supported with lintels, corbels, and arches to withstand the loads from the wall ...

Video Duration: 1 minute and 20 seconds
Reinforced Brick Masonry
01:15
Reinforced Brick Masonry

Reinforced brick masonry incorporates steel reinforcements within the hollow cores of the bricks or sandwiched between two masonry wythes, then secured ...

Video Duration: 1 minute and 15 seconds
Types of Building Stone
01:30
Types of Building Stone

Building stones are sourced by extracting rock from natural rock deposits and shaping it into the specific forms and dimensions needed for building ...

Video Duration: 1 minute and 30 seconds
Quarrying of Stone
01:15
Quarrying of Stone

Quarrying involves the meticulous extraction of stone from a quarry by either using controlled explosions or precision cutting techniques to remove the ...

Video Duration: 1 minute and 15 seconds
Stone Masonry
01:29
Stone Masonry

Stone masonry falls mainly into two categories: rubble and ashlar. Rubble masonry uses uneven, naturally shaped stones, often found as river rocks or ...

Video Duration: 1 minute and 29 seconds
Manufacture of Concrete Masonry Units
01:27
Manufacture of Concrete Masonry Units

Manufacturing concrete masonry units involves pouring stiff concrete, comprising Portland cement, aggregates, and water, into metal molds. This is ...

Video Duration: 1 minute and 27 seconds
Laying Concrete Masonry
01:16
Laying Concrete Masonry

Consider the construction of a concrete masonry wall; first, the base is cleaned, the mortar is spread, and then the initial row of blocks for a corner ...

Video Duration: 1 minute and 16 seconds
Steel Manufacturing
01:26
Steel Manufacturing

Steel manufacturing begins with smelting iron ore into cast iron in the blast furnace. Smelting involves layering the iron ore with a fuel called coke and ...

Video Duration: 1 minute and 26 seconds
Structural Steel Products
01:24
Structural Steel Products

Structural steel products are manufactured in a structural mill, where the beam blank is reheated and refined through rollers into the required shape and ...

Video Duration: 1 minute and 24 seconds
Steel Fastening Techniques
01:17
Steel Fastening Techniques

Steel sections can be fastened using rivets, bolts, or welding. A rivet is a steel fastener with a cylindrical shaft and a specially shaped head. The ...

Video Duration: 1 minute and 17 seconds
Mechanical Characteristics of Steel
01:18
Mechanical Characteristics of Steel

Mechanical characteristics of steel such as tensile strength are determined by a tension test where a specimen is pulled in a gripping device. The tension ...

Video Duration: 1 minute and 18 seconds