Seasoning of Timber
This is a process by which moisture content in a freshly cut tree is reduced to a suitable level. By doing so the durability of timber is increased. The various … Read More
This is a process by which moisture content in a freshly cut tree is reduced to a suitable level. By doing so the durability of timber is increased. The various … Read More
Timber refers to wood used for construction works. In fact the word timber is derived from an old English word ‘Timbrian’ which means ‘to build’. A tree that yields good wood … Read More
(a) Soundness Test: It is conducted by sieve analysis. 100 gms of cement is taken and sieved through IS sieve No. 9 for fifteen minutes. Residue on the sieve is … Read More
(i) Chemical properties: Portland cement consists of the following chemical compounds: (a) Tricalcium silicate 3 CaO.SiO2 (C3S) … Read More
Cement is a commonly used binding material in the construction. The cement is obtained by burning a mixture of calcarious (calcium) and argillaceous (clay) material at a very high temperature … Read More
It is an important binding material used in building construction. Lime has been used as the material of construction from ancient time. When it is mixed with sand it provides lime … Read More
Classification of Bricks Based on their Quality The bricks used in construction are classified as: (i) First class bricks (ii) Second class bricks (iii) Third class bricks and (iv) Fourth … Read More
The following laboratory tests may be conducted on the bricks to find their suitability: (i) Crushing strength (ii) Absorption (iii) Shape and size and (iv) Efflorescence. (i) Crushing Strength: The … Read More
Stone is a ‘naturally available building material’ which has been used from the early age of civilization.It is available in the form of rocks, which is cut to required size … Read More