How to determine material strain(steel strain) in a RCC section?
Hello,
As per the Indian standard codal specification strain in steel should not exceed 0.0035
But if u want to determine experimentally , then fix up the strain gauge on the structural member that u have casted and measure the strain by UTM.
Madam,
Strain = MY/IE for beam,
Strain = (PL/AE) +(MY/IE) for column
M= Bending moment
Y= Depth of NA form extreme fiber
I= M.O.I
E= young's modulus
P=Axial load
L= length of column
A=Area of column
Is this method correct ?
Fe250, Ultimate starin in steel ɛsu = .003088
Fe415, ɛsu = .003805
Fe500, ɛsu = .004175
Design of RC structures by N. Subramanian, page 151, table 5.3
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