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# Moment of resistance of a rectangular section in bending at the SLS by stress limitation, Mser

## Eurocode 2 - Design of concrete sections \$(document).ready(function () { \$("#mainMenu li#nav-appCate, #mainMenu li#nav-appEC2ds").addClass("active"); var freeExample = \$("#freeExample").length; var proUser = false === true || false === true || freeExample !== 0; if (!proUser) { \$('#Input input').keyup(function(){ \$('#AlertSubscribe').modal(); }); \$('#Input select').change(function(){ \$('#AlertSubscribe').modal(); }); }; var tempInput = \$("#tempInput").text(); if (tempInput != "") { \$("#Input").parent("form").deserialize(tempInput); if (proUser) { \$("#acceptBtn").trigger("click"); } }; });  Method b11

The moment of resistance of a rectangular section in bending at the SLS by stress limitation is calculated according to method b11.

The parameters needed for the design are the followings:

Es
is the design value of the modulus of elasticity of the reinforcing steel, see § 3.2.7 (4);
fyk
is the yield strength of the reinforcing steel, see § 3.2.2 (3)P;
k3
is a Nationally Determined Parameter, see § 7.2 (5);
Concrete class: see Table 3.1;
Ec,eff
is the effective modulus of elasticity of concrete;
k1
is a Nationally Determined Parameter, see § 7.2 (2);
b
is the width of the concrete cross-section;
d
is the effective depth of the concrete cross-section;
d'
is the distance from the external compressive concrete to the centre of gravity of the compression steel;
Asc
is the cross sectional area of the compression reinforcement;
As
is the cross sectional area of the tensile reinforcement.

This application calculates the serviceability moment of resistance Mser from your inputs. Intermediate results will also be given.

Input
GPa
MPa
GPa
cm
cm
cm
cm2
cm2

Output
ne
fck
MPa
σc,ser
MPa
σs,ser
MPa
αAB
αser
x
cm
Pivot
σc
MPa
σsc
MPa
σs
MPa

the serviceability moment of resistance Mser
kNm