www.hornsrev.dk. natural structures vs. engineered structures cave to room tree trunk to column tree...
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www.hornsrev.dk
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Natural Structures vs. Engineered Structures
cave to room
tree trunk to column
tree branch to beam
spider web to truss
beaver dam to dam
turtle shell to portable home
honeycomb to cubicles
beehive to dome wwwwww.christusrex.orgwww.mwphglnj.org
www.visualparadox.comwww.merkmawas.de
www.hprcc.unl.edu
www.ontariowildflower.com
Unitedsteelsystems.com
www.alanbauer.com
www.ppdl.purdue.edu www.megasc.com
www.magnetictimes.comwww.woodmagazine.com
www.discoverawatershed.org www.cs.huji.ac.il
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P
P
P
ProportionalLimit
stiffness
1
P
ProportionalLimit
stiffness
1
(a) Simple Tension (Side View)
(b) Cross-Grain Tension. (Side View)
(c) Splintering Tension (View of TensionSurface)
(e) Compression. (Side View)
(f) Horizontal Shear. (Side View)
(d) Brash Tension (View of TensionSurface)
(a) Simple Tension (Side View)
(b) Cross-Grain Tension. (Side View)
(c) Splintering Tension (View of TensionSurface)
(e) Compression. (Side View)
(f) Horizontal Shear. (Side View)
(d) Brash Tension (View of TensionSurface)
(a) Simple Tension (Side View)
(b) Cross-Grain Tension. (Side View)
(c) Splintering Tension (View of TensionSurface)
(e) Compression. (Side View)
(f) Horizontal Shear. (Side View)
(d) Brash Tension (View of TensionSurface)
(a) Simple Tension (Side View)
(b) Cross-Grain Tension. (Side View)
(c) Splintering Tension (View of TensionSurface)
(e) Compression. (Side View)
(f) Horizontal Shear. (Side View)
(d) Brash Tension (View of TensionSurface)
Stretching (Tension) - Failure
Squeezing (Compression) - Failure
Applied Loads on Structures
Compression
TensionNeutral Axis
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Bridge Failure Due to Wind
Tacoma Narrows Bridge
Ed Elliott The Camera Shop 1007 Pacific Ave.,
Tacoma, Washington 98402
Click the picture to view the film clip.
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Types of Wind Turbines
DragSavonius
HorizontalEarly Dutch
VerticalDarrieus
HorizontalModern 2-Blade
HorizontalModern 3-Blade
www.nvweb.de
norfolkskyview.flyer.co.ukcompositesworld.com
www.energoclub.it
koti.mbnet.fii
HorizontalFarm Windmill
www.srph.tamushsc.edu
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Turbine Failure
Rotor Damage
Tower Buckling
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Bushland, Texas