Masonry
Masonry units with >75% solid gross area.
What are Solid Units?
Wood that comes from fast growing conifer trees (like pine).
What is softwood?
The most plentiful metal on Earth.
What is aluminum?
Term for "PG" in PG 58-28 asphalt binder.
What is "performance grade"?
This is the name for a repeating unit.
What is a "mer"?
Most common classification of CMU used in construction.
What is Light-weight?
The layer of cells under a tree's bark where new growth occurs.
What is the cambium?
Steel used to protect against tensile forces in concrete.
What is reinforcing bar (rebar)?
Specification system that tests asphalt at temperatures related to the project's environment.
What is SuperPave?
This type of bond forms the carbon-hydrogen chains in polymers.
What are covalent bonds?
The common width of mortar joints for CMU wall.
What is 3/8"?
The point when the fibers of a tree are filled with water, but there is no water in the cell's cavities.
What is the Fiber Saturation Point?
The process of heating metal and then cooling slowing in an oven.
What is annealing?
The temperature at which asphalt vapors ignite if a flame passes over.
What is the Flash Point?
Bonds connecting carbon-hydrogen chains of thermoplastics.
What are secondary bonds?
Material used to fill the holes of concrete masonry blocks.
What is grout?
Direction that runs up and down the truck of the tree.
What is longitudinal?
The grain boundary defect that happens when grains grow at a skew to one another (do not match up).
What is "incoherent"?
The vertical axis of the aggregate density chart (a.k.a. 0.45 Power Chart).
What is "Percent Passing"?
Polymers that do not liquify when heated.
What are themosets?
The math used to get from net volume to net area of concrete block.
What is divide by height?
The sawing method used to get consistent grain orientation in wood products.
What is Quarter Sawn?
The point defect when a foreign atom replaces an atom in the lattice structure.
What is a Substitutional Impurity Atom?
The machine used to age asphalt binder to 5-10 years post-construction.
What is the Pressure Aging Vessel?
Term used to describe the length of the molecular chains in polymers.
What is the "degree of polymerization"?