CE Calculators > Strength of doubly Reinforced Concrete beam > Rectangular section with two layers of tension rebar

Calculator for Strength of doubly Reinforced Concrete beam with two layers of tension rebar (FPS/US Customary Units)


Reinforced concrete beam

This calculator is useful for doubly reinforced rectangular concrete beam with two layers of tension re-bar. This calculator uses FPS/US Customary Units. You can also use it for singly reinforced section, just by entering compression rebar equal to zero.

Effective depth is measured from the top edge to the centroid of tension rebar. This calculator uses the concept of Whitney's stress block and measures the depth of stress block "a" from the top edge. The user of this calculator is advised to comply with ACI guidelines for beam thickness, rebar spacing and cover etc.

This calculator also determines the minimum area of tension rebar required for crack control and balanced steel area required for a balanced section in addition to the area of tension steel available in the section.

Please enter the values in the appropriate units mentioned in the form given below and start calculations.

INPUT VALUES
Width of beam (in.):
Effective Depth of beam (in.):
Compr. Strength of Conc. f '_c (ksi):
Yield stress of Tension Steel f_y (ksi):
No. of Rebar in Tension (nos.):
Dia of Rebar in Tension (in.):
Distance between rebar layers (in.):
Yield stress of Comp. Steel f '_y (ksi):
No. of Rebar in Compr. (nos.):
Dia. of Rebar in Compr. (in.):
Cover of Compr. steel (in.):
Please make sure that all
the values are entered

OUTPUT RESULTS
Min. Area of tension steel (sq in.)=
Balanced Steel area (sq in.)=
Area of Tension rebar (sq in.)=
force of Tension rebar (kip)=
Beta 1(Whitney's coefficient)=
'a' (depth of stress block) - (in.)=
'X' (depth of neutral axis) - (in.)=
Area of Compr. rebar (sq in.)=
Force of Compr. in rebar:Cs (kip)=
Force of compr. Conc.:Cc (kip)=
Total Force of Compr.:Cc+Cs (kip)=
Nominal Moment, Mn (ft-kip)=
Yield strain of steel =
Strain in compr. steel =
Strain in bottom layer of rebar =
Strain in second layer of rebar =

Other Calculators for Strength of
Reinforced concrete beam





Excellent Calculators

Stress Transformation Calculator
Calculate Principal Stress, Maximum shear stress
and the their planes

Calculator for Moving Load Analysis
To determine Absolute Max. B.M. due to moving loads.

Bending Moment Calculator
Calculate bending moment & shear force
for simply supported beam

Moment of Inertia Calculator
Calculate moment of inertia of plane sections
e.g. channel, angle, tee etc.

Reinforced Concrete Calculator
Calculate the strength of
Reinforced concrete beam

Moment Distribution Calculator
Solving indeterminate beams

Deflection & Slope Calculator
Calculate deflection and slope of
simply supported beam for many load cases

Fixed Beam Calculator
Calculation tool for bending moment & shear
force for Fixed Beam for many load cases

BM & SF Calculator for Cantilever
Calculate SF & BM for Cantilever

Deflection & Slope Calculator for Cantilever
For many load cases of Cantilever

Overhanging beam calculator
For SF & BM of many load cases of
overhanging beam

More Links

Civil Engineering Quiz
Test your knowledge on different topics
of Civil Engineering

Research Papers
Research Papers, Thesis and Dissertation

List of skyscrapers of the world
Containing Tall building worldwide

Forthcoming conferences
Containing List of civil engineering
conferences, seminar and workshops

Profile of Civil Engineers
Get to know about other Civil Engineers

Professional Societies
Worldwide Civil Engineers
Professional Societies

Join our mailing list to get updates

Search our website for more...

Please Tell your Friends about us

Other Useful Links