Cons- Burns rapidly, - Decays if exposed to moisture- Changes volume with moisture changes - Framing
unattractive (must be covered)
Coniferous wood - Answer soft woods, usually bear cones
Deciduous wood - Answer hard woods, shed their leaves
Cmu block size - Answer 8'x8'x16'
, Ton - Answer 2000 pounds
Crane load equation - Answer Wieght x leanth x quantity
/ 2000, then see how much crane can hold
dry wood vs wet - Answer dry=stronger wet=weaker
fiber saturation point - Answer fibers fully saturated and cells are empty, 30%, dimensional instability,
shrinkage begins
equilibrium moisture content - Answer moisture content that is equal to the moisture content of the
atmosphere, wood should be fabricated and installed close as possible to where it will be used
decay resistance - Answer insured under 20%, can be treated with toxic chemicals, won't rot,
heartwood=naturally decay resistant
tensile stresses - Answer stretching forces
compressive forces - Answer squeezing forces
bending stresses - Answer force acting perpendicular to its leant like a beam
parts of tree - Answer outer bark, inner bark, Cambrian layer, sapwood, heartwood, pith growth rings,
checking - Answer separation across the growth rings
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