Seasoning of Timber | Natural, Artificial seasoning
This is a process by which moisture content in a freshly cut tree is reduced to a suitable level. By […]
Seasoning of Timber | Natural, Artificial seasoning Read Post »
This is a process by which moisture content in a freshly cut tree is reduced to a suitable level. By […]
Seasoning of Timber | Natural, Artificial seasoning Read Post »
Properties of good timbers are: Colour: It should be uniform. Odour: It should be pleasant when cut freshly. Soundness: A
(i) Chemical properties Portland cement consists of the following chemical compounds: (a) Tricalcium silicate 3 CaO.SiO2 (C3S) 40% (b) Dicalcium
The following are the required properties of good bricks: (i) Colour: Colour should be uniform and bright. (ii) Shape: Bricks should have
Preservation of timber means protecting timber from fungi and insects attack so that its life is increased. Timber is to
(a) Soundness Test: It is conducted by sieve analysis. 100 gms of cement is taken and sieved through IS sieve No.
It is an important binding material used in building construction. Lime has been used as the material of construction from
Various defects which are likely to occur in timber may be grouped into the following three: (i) Due to natural
Various bases are considered for the classification of timbers. The following are the important basis: (i) Mode of growth (ii)
The bricks used in construction are classified as: (i) First class bricks (ii) Second class bricks (iii) Third class bricks