Back of the Envelope
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Seismic

Seismic

Kindness and integrity Masonry Visions and missions Software Foundation Abundance Concrete Wood Technical AI Wind Seismic Steel Learning and teaching Non-technical

ConcreteConcrete

+2+2

Envelope #47: Bangkok skyscraper collapse

Andy Lin

WoodWood

+1+1

Envelope #33: “Structural separation” -- my (slightly embarrassing) lessons learned

Andy Lin

SeismicSeismic

Envelope #32: Overstrength for diaphragm forces?

Andy Lin

TechnicalTechnical

+1+1

Envelope #26: Structural Irregularities “Cheat Sheet”

Andy Lin

MasonryMasonry

+6+6

Envelope #25: How do you keep track of IBC/CBC “Referenced Standards”?

Andy Lin

ConcreteConcrete

+2+2

Envelope #24: Turkey earthquake

Andy Lin

Visions and missionsVisions and missions

+5+5

Envelope #21: Site Class D in ETABS and a dad joke

Andy Lin

TechnicalTechnical

+1+1

Envelope #13: Let’s play “detective”

Andy Lin

FoundationFoundation

+2+2

Envelope #10: Interesting findings from the Fukae bridge collapse (Kobe 1995)

Andy Lin

WoodWood

+3+3

Envelope #8: Spot these common challenges in wood lateral system during schematic design

Andy Lin

ConcreteConcrete

+3+3

Envelope #6: Skinniest tower, ever

Andy Lin

MasonryMasonry

+3+3

Envelope #1: Site walls and earthquake

Andy Lin