Routines in accordance with SP 63.13330.2012 for using in TechEditor. Specified and factored resistances, deformations and other characteristics.

6 Materials for concrete and reinforced concrete structures

6.1 Concrete

6.1.11 Specified and factored resistances of concrete

procedure SP6313330__6_1_11__HeavyConcreteResistances(B: Double; 
  var Rbn, Rbser, Rbtn, Rbtser, Rb, Rbt: Double); stdcall; external [DllName];

Procedure returns specified and factored resistances of a heavy concrete in accordance with 6.1.11 SP 63.13330.2012 (Table 6.7).

procedure SP6313330__6_1_11__LightweightConcreteResistances(B: Double;
  var Rbn, Rbser, Rbtn, Rbtser, Rb, Rbt: Double); stdcall; external [DllName];

Procedure returns specified and factored resistances of a lightweight concrete in accordance with 6.1.11 SP 63.13330.2012 (Table 6.7).

procedure SP6313330__6_1_11__CellularConcreteResistances(B: Double; 
  var Rbn, Rbser, Rbtn, Rbtser, Rb, Rbt: Double); stdcall; external [DllName];

Procedure returns specified and factored resistances of a cellular concrete in accordance with 6.1.11 SP 63.13330.2012 (Table 6.7).

Parameters

• B - class of concrete (1,5 .. 100).

Variables

• Rbn - specified resistance for 1st Limit State (axial compression) [MPa];
• Rbser - specified resistance for 2nd Limit State (axial compression) [MPa];
• Rbtn - specified resistance for 1st Limit State (axial tension) [MPa];
• Rbtser - specified resistance for 2nd Limit State (axial tension) [MPa];
• Rb - specified resistance for 1st Limit State (axial compression) [MPa];
• Rbt - specified resistance for 1st Limit State (axial tension) [MPa];

6.1.14 Maximum related deformations of concrete

procedure SP6313330__6_1_14__ConcreteRelDeformations(LoadDuration: Integer; RelHumidity: Double;
  var eb0, ebt0: Double); stdcall; external [DllName];

Procedure returns related deformations of a concrete in accordance with 6.1.14 SP 63.13330.2012 (Table 6.10).

Parameters

• LoadDuration - load duration (1 for quick action, 2 for long-term action);
• RelHumidity - relative air humidity, % (0 .. 100);

Variables

• eb0 - ultimate relative deformation of concrete under axial compression;
• ebt0 - ultimate relative deformation of concrete under axial tension.

6.2 Reinforcement

6.2.8 Factored resistances of steel reinforcement

procedure SP6313330__6_2_8__ReinforcementResistances(A: Integer; var Rsn, Rs, Rsc1, Rsc2, Rsw, Rsser: Double); 
  stdcall; external [DllName];

Returns specified and factored resistances of reinforcement bars [MPa] in accordance with 6.2.8 SP 63.13330.2012 (Tables 6.13, 6.14, 6.15).

Parameters:

• A - reinforcement class (1=A240; 2=A400; 3=A500; 4=A600; 5=A800; 6=A1000; 7=B500; 8=Bp500; 9=Bp1200; 10=Bp1300; 11=Bp1400; 12=Bp1500; 13=Bp1600; 14=K1400; 15=K1500; 16=K1600; 17=K1700)

Variables:

• Rsn - specified resistance for 1st Limit State (axial tension) [MPa];
• Rs - factored resistance for 1st Limit State (axial tension) [MPa];
• Rsc1 - factored resistance for 1st Limit State (axial compression) / long-term actions [MPa];
• Rsc2 - factored resistance for 1st Limit State (axial compression) / quick actions [MPa];
• Rsw - factored resistance of stirrups for 1st Limit State (axial tension) [MPa];
• Rsser - factored resistance for 2st Limit State (axial tension) [MPa];

function SP6313330__6_2_12__ReinforcementMOE(A: Integer): Double; stdcall; external [DllName];

Returns elasticity modulus of reinforcement bars [MPa] in accordance with 6.2.12 SP 63.13330.2012.

Parameters:

• A - reinforcement type (1=cables; 2=other);

 

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Common information

Directives

• DllName — library name. If DLL included in installation pack, then DllName is dystlab.multicode.dll.

Example for TechEditor

procedure SP6313330__6_1_11__HeavyConcreteResistances(B: Double; 
  var Rbn, Rbser, Rbtn, Rbtser, Rb, Rbt: Double); stdcall; external 'dystlab.multicode.dll';

var
  Rbn, Rbser, Rbtn, Rbtser, Rb, Rbt: Double;

begin
  // B30
  SP6313330__6_1_11__HeavyConcreteResistances(30, Rbn, Rbser, Rbtn, Rbtser, Rb, Rbt);
  ShowMessage('B30: Rb=' + FloatToStr(Rb));
end;