a)tell density of steel , concrete, bricks , sand and
aggregates.? b) what is knife test for wooden doors ? c)
what is the meaning of term abrasion? what is tested in it?
d) why pile foundation is provided in BCS?e) By total
station what activities can be performed and on what
principle it works? f) what is creep?
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Answer Posted / sunshine
CREEP
When load acts on any structural member (ex: beam, slab) strains develops that produces both compressive and tensile stresses. Tensile stresses are resisted by steel and concrete takes all the compressive stresses. These compressive stresses in concrete is the cause of deflection. This deflection takes alot of time to occur and hence is referred to as long term deflection or Creep.
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