A class of chemical elements known for their properties, such as being good conductors of electricity and heat, malleable, ductile, solid at room temperature, and having a lustrous appearance.
What is metal?
A natural material derived from trees, known for its strength and versatility
What is wood?
A mixture of sand, gravel, crushed rock, or other aggregates (which occupy most of the volume) held together by a hardened paste of cement and water
What is concrete?
These are the individual pieces used to build a masonry structure.
What are masonry units?
A standard method used to measure the consistency and workability of fresh concrete
What is slump test?
What is ferrous metals?
Processed and cut wood that is used for various construction purposes.
What is Lumber?
A fine aggregate and is often used in mortar and concrete mixes.
What is sand?
The bonding material that holds masonry units together.
What is mortar?
This stage begins immediately after placement and aims to prevent moisture loss and surface cracking by covering the concrete.
What is initial curing?
It is an alloy of iron and carbon, with small amount of other elements
What is steel?
Wood that come from trees classified as angiosperms that reproduce with a flowering plant, like oak, walnut and maple.
What is hardwood?
Concrete that has been recently mixed and is still in a fluid or plastic state, typically when it is being poured and shaped into forms.
What is fresh state concrete?
Masonry that uses irregularly shaped, uncut stones.
What is rubble masonry?
Involves adding small air bubbles to concrete, enhancing its resistance to freeze-thaw cycles
What is air entrainment?
An alloy of iron, chromium, and other elements.
What is stainless steel?
What is heartwood?
Ratio by mass of water to cement that is used in concrete mix
What is water-cement ratio?
Environmentally friendly bricks made from fly ash, a waste product from coal combustion.
What are fly ash bricks?
The process of shaping and forming metal into various structures and products.
What is metal fabrication?
The most widely used hardness test globally, applicable to most metals and plastics.
What is rockwell hardness test?
Refers to the arrangement and direction of fibers and vessels.
What is wood grain?
Concrete with rated strength of 4000PSI?
What is Class AA Concrete?
A masonry defect caused by soluble salts leaching to the surface, often due to water infiltration.
What is efflorescence?
It is an organization that sets standards for a wide range of construction materials, including metals.
What is ASTM (American Society for Testing and Materials)?