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Q. PH Value of Water?
It is a symbol for hydrogen ion concentration and indicates acidity or alkalinity. When P H Value more than 7 water is alkaline and less than 7 water is acidity . When it is 7 water is natural water for public water supply it should be between 7 to 8.5 . Lower value may indicate sediment deposit and difficulty in chlorination.
Uncompacted bedding for concrete pipes In the middle third of the base of precast concrete pipes, bedding layers are suggested to be left Uncompacted since it helps to decreas
Soil at a borrow area has a total unit weight of 120-PCF and a water content of 15 percent. The soil from the borrow area will be used as structural fill and compacted to an avera
purpose
What are Aquifers? Water bearing, underground geologic formations. The subsurface formations are composed of soils and rocks with voids saturated with water.
Binder: Normally 60/70 penetration grade, and provides cohesion to the mixture and increases its stability. The mix design is done by the Marshall test, in which a specimen
The obstacles that the students of civil engineering face when it comes to produce a good piece of writing in English
An elastomer is a polymeric substance obtained after vulcanization of rubber. Vulcanization is the process of improving the properties of rubber by heating with sulphur. A normal r
A circular footing rests on a pure clay with qu = 270 kN/m 2 , at a depth of 1.8 m. Verify the diameter of the footing if it has to transmit a load of 720 kN. Suppose the bulk u
Question What is key principle of adding cooling pipes or yet using cold water for concrete in concreting operation? Answer These methods aim at reducing placing tem
Equivalent static load method After the earthquake in Messina-Reggio Italy 1908, a team composed of engineers were sent on duty to study deteriorated buildings and investigate
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