new architecture students read this outline of materials & methods


Arch e materials & methods

Creep=to evolve shape over time

Fatigue=to break due to cyclical loading

Hardness=strength against indention from an impact force

Stress/strain=induced amount of static pressure/reaction to this pressure

Moment=the area around which an object, when thrown, will rotate

Natural mode of vibration=think of a pendulum, a beam acts in the same way under earthquakes, if you hit it while it’s going in one direction it goes farther, and will eventually break

Gust=a momentary static pressure, caused by perhaps wind

Caternary=the shape of a string held between two points

Truss=a pinned collection of joints, meaning it can rotate but not slide

Frame=a rigid truss, examples being welding

Rivet=metal inserted while hot to pin a joint

Young’s modulus of elasticity: the graph of stress/strain

Compressive force: a force that pushes a beam together

Tensile force: a force that pulls a beam apart

Bending: related to shear, it is the bowing of a beam

Shear: the pushing sideways of a beam

Buckling: The bowing of a beam due to compressive forces

A beam can be assumed to not be affected by its own weight

There is a point for steel, and for concrete where the stress & strain are linear

Rivets have high fatigue strength

Welds must be calculated both at the chemical level & the equipment level

Learn about 3-phase electrical

Masonry arches of any sort must fit inside a caternary

Post tensioned masonry: a type of structural wall that has post-tensioned steel clamping it down (uses less grout), has less rotation, thus better in earthquake zones

Steel: said to be anisotropic but can be assumed isotropic with young’s modulus of elasticity probably

Concrete is weak in tension but strong in compression so can be mixed with steel at certain points to cause equality

Masonry is reinforced just like reinforced concrete

Wood is anisotropic so Roark’s Formulas for Stress & Strain don’t work on it, you will have to probably you Structural Analysis (matrices), or materials & methods

Roark’s Formulas for Stress & Strain has the most up to date besides atomistic stress/strain, impact, vibrational

The Timber Manual by the U.S. Forestry service has formulas for angled stressed wood

When a beam undergoes a slanted force, I believe you can assume this force is superpositioned into its vectorial components

For vibrations there are dampeners

Dec 11, 18 8:35 am
Non Sequitur

This was covered in my 1st year civil p.eng class.  Nothing new here kid.

Dec 11, 18 8:37 am

about 1/1,000,000 of what you need to know to be an entry level architect

Dec 11, 18 8:39 am

You forgot E=mc2

Dec 11, 18 11:04 am

The most important one is the sum in the x,y, and z planes all must = 0!

Dec 11, 18 11:32 am

Again, the career you're looking for is 'Structural Engineer'

Dec 11, 18 1:06 pm

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