Asphalt
This component in asphalt concrete is the largest by volume and weight and also tends to dominate the behavior
What is the aggregate?
The binder in a concrete mix
What is cement?
This type of manufactured lumber consists of several layers of boards stacked in alternating directions, bonded with structural adhesives, and pressed to form panels
What is cross laminated timber (CLT)?
While operational energy refers to the energy required to power something (a refrigerator) this refers to the type of energy required to create it.
What is embodied?
This type of asphalt is used to fix potholes
What is cold mix asphalt? (Either emulsified or cutback asphalt)
Adding more of this to an asphalt concrete mix decreases its stability and skid resistance
What is asphalt cement?
The number of times you rod the sample in a concrete slump test
What is three lifts x 25 rods / lift = 75 times
The technique is used to lower the moisture content of wood to a level acceptable for construction
What is kiln drying?
Triple Bottom Line - the three pillars of sustainability
What are Environmental Protection, Social Equity, and Economic Viability?
The primary structural material of Dodge's floor slabs.
What is (reinforced) concrete?
This type of asphalt grading revolutionized asphalt pavement characterization with new test types for rutting, fatigue cracking & thermal cracking
What is Superpave?
Adding water to the mix increases concrete's ______
What is workability?
A lengthwise separation of the wood along the grain, usually occurring between or through the rings of annual growth.
What is a shake?
The rate of heat transfer per unit area per degree of temperature difference
What is the U-value?
Skyscrapers over 650 feet (200 meters) high are typically constructed of this structural material
What is (reinforced) concrete
This type of asphalt uses a solvent instead of heat to liquefy
What is cutback asphalt?
The type of admixture used to increase the freeze-thaw resistance of concrete
What is an Air Entrainer?
The structural property we use to describe how wood's engineering properties vary with orientation of the grain and direction of load.
What is anisotropic?
This greenhouse gas is used as the unit of measurement for global warming potential
What is CO2?
This material is used for the piles supporting the First Christ Church, Scientist in Backbay
What are wood piles?
This test uses curved loading strips to compress a 4" diameter x 2.5 " high cylinder along its diameter
What is the indirect tensile test?
When done correctly, proper _____ leads to increased strength, fewer cracks, better freeze-thaw resistance, improved durability, and more!
What is curing?
The location of failure if a wood beam in flexure if it is constructed such that its centroid was located 1/3 from the top of the cross section and its tensile strength is 10,000 psi and its compressive strength is 6,000 psi
What is the bottom, in tension?
The more sustainable option if an asphalt road is 1/3 as carbon-intensive to construct as compared to a concrete road, but needs to be replaced 5 times as often
What is the concrete road?
The breed of Dr. Nancy's dog
What is an Australian Cattle Dog? (blue heeler, red heeler)