Wood As A Building Material

Wood as building material derived from trees that have a parts in the body,


Part of a timber and its function:

Skin

Located on the outer portion of the tree trunk. Wood skin consists of
two parts:
Outer, dead skin, has a thickness that varies according to age of
trees. dry and solid-colored.
Inner skin is alive and the thin skin actually carries sap. it also
serves as a protection of the deepest parts against external damage
such as climate, insects, pests and fire.

Cambium

Is a network of thin layers and nodes such that exists between lenders
leather and wood, round timber, to the outside to form new skin
replaces old skin has been damaged, forming the new wood. With the
Cambium, a tree grew.

Wood pig

Wooden parts composed of young cells are still alive, is located next
to the cambium which serves as a distributor of fluid and dump food
substances. Thick wooden pig wide is 20 cm.

Wood terrace

Is a network of cells that make up the hardwood, which is part of the
stem that functions to reinforce wood sticks to tough stand. This
section is an arrangement of wood cells that have been aging,
solidified / hardened, tougher than wood cells contained in a layer of
wood pig. The color is older than the wooden pig. This section is the
most important part of the wood as construction material.

Heart wood

Is part of timber located in the center that marks circle of years.
Usually used to determine the type of a first tree. Are generally
brittle or soft for some types of wood, and there that are hard.

Ring

the boundary between the wood formed at the beginning and at the end
of a season. Through this circle of years, can be known the age of a
tree.

The radius

Wood cells are directed perpendicular to the stem leading from the
skin into the liver (radial direction) serves as a channel processed
foods that are easy on the leaf for tree growth.