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Q. Show Constituents of bricks?
The brick is manufactured out of special. Type of brick earth consisting of clay and sand the proportion of clay and earth should be such that when water is added, It can be easily moulded and dried with out cracking or warping. It should also contain a small quantity of finely divided lime and oxide of iron.
The approximate chemical composition of a good brick earth is an under -
i. Clay or alumina - 20%
ii. Sand or Silica - 60%
iii. Other ingredients like lime, iron oxide, calcium, maganese, magnesium, sodium, and potassium. - 20 %
State about the pre-tensioned concrete In pre-tensioned concrete, the tendon stresses are transferred to concrete by virtue of bond of concrete to the surface of steel tend
Minimum volume of sump volume for pumps Maximum pumping rate = Q P Volume of sump = V Inflow Rate = Q i Cycle Time T c = t 1 + t 2 t 1 = V / Q P - Q i t 2
a) What are the laws governing compaction of (i) cohesion less soils like sand and (ii) moderately cohesive soils like sandy clay ? b) To what compaction pressure does the
whast prime coat?
Uses of Stones Stones are used in the following civil engineering constructions are described: (i) Stone masonry which is used for the construction of foundations, , columns
A raft, 8 m × 24 m, is founded at a depth of 4 m in sand with a value of N = 20 up to great depth. Illustrate the total load which the raft can support? What will be the total c
Physical Tests on Cement (a) Soundness Test: by sieve analysis, it is conducted. 100 gms of cement is taken and sieved throughout IS sieve No. 9 for fifteen minutes. Residue on
Ask queexplain about the essential parts of transisit ordinate or vernier theodolitestion #Minimum 100 words accepted#
Material for formwork and their specifications
difference between observed magnetic bearing and true magnetic bearing
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