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Zig-Zag Technology
(Overview of the new standard of the industry)

 


Did you look
at the evidences?

graphicsvideoweb linksdocuments

Graphics, video, web links and documents.
Just evidences!

 

 

 
 
BIBLIOGRAPHY

Decay of Wood
NRC's Institute for Research in Construction (Canada), 1972

The Nature of Wood and Wood Products
Forest Products Management Development Institute, University of Minnesota.

Wood handbook--Wood as an engineering material.
Gen. Tech. Rep. FPL-GTR-113. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory.463 p.

    Physical Properties and Moisture Relations of Wood
    (Chapter 3, Decay Resistance)

    Mechanical Properties of Wood
    (Chapter 4, Mechanical Properties of Wood)

    Adhesive Bonding of Wood Materials
    (Chapter 9, Adhesive Bonding of Wood Materials)

Hardwood of North America
Gen. Tech. Rep. FPL-GTR-83. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory. 136 p.



GRAPHICS

Mechanical Properties of Wood Species

Modulus
of rupture
(Strength)
Modulus of
elasticity
(Stiffness)
Work to
Maximum
load
Shear parallel
to grain
Side
hardness
(lbs/in2)
(lbs/in2)
(in-lbs/in3)
(lbs/in2)
(lbs)
Hard Maple
15,800
1,830,000
16.5
2,330
1,450
Northen Red Oak
14,300
1,820,000
14.5
1,780
1,290
White Oak
15,200
1,780,000
14.8
2,000
1,360

Source: Wood handbook--Wood as an engineering material. Gen. Tech. Rep. FPL-GTR-113. Madison, WI:
U.S. Department of Agriculture, Forest Service, Forest Products Laboratory. Chapter 4, table 4-3a




Shrinkage (%) from green to ovendry moisture content

Species
Radial
Tangential
Volumetric
Hard Maple
4.8
9.9
14.7
Northen Red Oak
4.0
8.6
13.7
White Oak
5.6
10.5
16.3

Source: Wood handbook--Wood as an engineering material. Gen. Tech. Rep. FPL-GTR-113. Madison, WI:
U.S. Department of Agriculture, Forest Service, Forest Products Laboratory. Chapter 3, table 3-5


WEB LINKS

Decay of Wood
NRC's Institute for Research in Construction (Canada).

Wood Preservation
Forest Products Management Development Institute,
University of Minnesota.