Properties of timber, Civil Engineering

Properties  of Timber

Properties of good timbers are following:

Color: color should be uniform.

Odour: Odour should be pleasant when cut freshly.

Soundness: A clear ringing sound  will be produced when struck indicates the timber.

Texture: Texture of good timber is even and fine

Grains: In good timber grains are near.

Density: Higher the density stronger is the timber.

Hardness: Harder timbers are durable  and strong

Warping: Good timber does not warp due to changing environmental conditions.

Toughness: Timber should be able of resisting shock loads.

Abrasion: due to wear Good timber do not deteriorate. This property should be looked into, if timber is to be utilized for flooring.

Strength: Timber should have high strength in shear, bending and direct compression. Modulus of Elasticity: Timber having higher modulus of elasticity is preferred in construction. Fire resistance: A good timber will have high resistance to fire.

Permeability: Good timber should have low water permeability.

Workability: Timber should be simply workable. It will not clog the saw.

Durability: Good timber is one which is able of resisting the action of fungi and insects attack

Defects: Good timber is free from defects like shakes , dead knots and cracks.

Posted Date: 10/16/2012 3:21:26 AM | Location : United States







Related Discussions:- Properties of timber, Assignment Help, Ask Question on Properties of timber, Get Answer, Expert's Help, Properties of timber Discussions

Write discussion on Properties of timber
Your posts are moderated
Related Questions
discuss various chemical reactions involved in lime soda process ?

Passenger Terminal Building: Importance In a civil airport, the passenger terminal building is the centre of all activities. It services both inbound and outward boun

What Aggregate''s class III

if the slump of concrete drops how to rectify

Define Advantages and disadvantages Black & White Fathometer? Advantages of the black & white Fathometer are: - Inexpensive - Effective Disadvantages include the follo

Example : Determine the declination at a place, if at noon the magnetic bearing to the sun is (a) 358° (b) 185° Solution: (a) Referring to given figure (a) since the ma


working from whole to part

A retaining wall 4.5 m high with vertical back supports a backfill with horizontal surface. The unit weight of the fill is 18 kN/m 3 and the angle of internal friction is 36°. The

As far as only concrete is concerned i.e. plain concrete, the effect of water seepage is very little (depending upon the grade of concrete) whereas for RCC (reinforced cement concr