Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / vishal s rao
M means mix and 20 means the characteristic strength of the concrete cube attained after 28 days of curing.
Fe is the chemical name for Iron and 415 is high yield tensile strength of the bar.
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
Dear sir, i want to NBCC & NTPC previous exam papers email Id : madhu_bingi@yahoo.co.in
What are the Types Of DPC and its Thickness used?
What is the difference between Hinged and pinned in Column ends
What is made from large rocks, which protects the base of cliffs?
04. a. Slenderness ratio…………… 1 b. If the height of a stage is 15-0 & dia. of the prop is 5, the slenderness ratio is….… 1 c. If the height of a stage is 10-0 & dia of prop is 3, the number of bracing will be…… 1
what is civil engineer greatest strength and weakness?
why demand factor less then 1 ?
1.what type of the rock is most suitable for wet mix macadam in construction of road? 2.what is the highest maximum dry density and optimum moisture content can be acheive by using most suitable crush rock?
what are the grades of concrete?where and or what purpose a particular grade is used in a particular structure?
what is diffrence between catchment area,watershed and basin?
what is the weight of 6000 psi concrete in lb/cft?
how ratio is calculated for any grade of concrete. for e.g. sppose M20 requires(x;y:z) quantity of cememt sand and aggregate.
why we are useing plastic under the lean concrete?and whts the advantage?
How much does the leaning tower of pisa lean?
from one meter cube of stone masonry structure how much cubic meter of cement mortar we use as our estimation 25-30% is that correct for estimation of quantity of sand and cement(2:1) proportion of mortar
