~SECMDF

 

~SECMDF, ICSEC, Lab1, Lab2, Lab3, VALUE, IDX1, IDX2, IDX3

Modifies the data of CivilFEM cross sections

PREP7: Cross Sections

ICSEC

Number of cross section to modify.

Lab1, Lab2, Lab3

Indicates the property of the cross section to define or modify. Valid labels and fields used are shown next (in case of not being shown, leave them in blank).

VALUE

Value to be assigned to the specified property in Lab1, Lab2 and Lab3.

IDX1, IDX2, IDX3

Identifiable indexes of properties to modify. Allowed values depend on the different groups of properties defined in Lab1, Lab2 and Lab3 and are described next with the number of fields used (only use the explicitly indicated ratios for each data to modify).

Next are described the different ways the command can be used, depending on the properties to modify.

 

~SECMDF, ICSEC, UPDATE

Lab1

Description

UPDATE

Real time update of all time-dependent properties in all cross sections. The field corresponding to the number of the section ICSEC will be left in blank (~SECMDF,,UPDATE).

 

~SECMDF, ICSEC, NAME, , , VALUE

Lab1

Description

NAME

Name of the cross section

 

~SECMDF, ICSEC, PROPGEN, Lab2, , VALUE

Modifies the general properties of the cross section. Valid properties are the following:

Lab2

Description

MCOS

Cross section material cost per unit length

SCOS

Additional cost per surface unit

LCOS

Additional cost per unit length

PERM

Perimeter subject to SCOS

 

~SECMDF, ICSEC, TESSELLA, Lab2, , VALUE, IDX1

Modifies the properties associated to the cross section’s tesella. Valid properties are the following:

Lab2

Description

MAT

Number of the material associated to the tessella specified in IDX1.

 

~SECMDF, ICSEC, PLATES, Lab2, , VALUE, IDX1

Modifies the properties associated to the cross section’s plates. Valid properties are the following:

Lab2

Description

DEL

Deletes a plate.

VALUE Plate number

MAT

Number of the material associated to the plate.

VALUE

Material number

IDX1

Plate number

PTY

Plate type for My bending:

VALUE

0 Not defined

 

1 Flange

 

2 Web

IDX1

Plate number

PTZ

Plate type for Mz bending:

VALUE

0 Not defined

 

1 Flange

 

2 Web

IDX1

Plate number

CP1

Connection condition in point 1 (initial point) of plate:

VALUE

0 Free

 

1 Fixed

IDX1

Plate number

CP2

Connection condition in point 2 (final point) of plate:

VALUE

0 Free

 

1 Fixed

IDX1

Plate number

ESP

Plate thickness.

VALUE

Plate thickness

IDX1

Plate number

YP1

Y coordinate of plate’s point 1 (initial point).

IDX1

Plate number

ZP1

Z coordinate of plate’s point 1 (initial point).

IDX1

Plate number

YP2

Y coordinate of plate’s point 2 (final point).

IDX1

Plate number

ZP2

Z coordinate of plate’s point 2 (final point).

IDX1

Plate number

 

~SECMDF, ICSEC, FACES, Lab2, , VALUE, IDX1

Modifies properties associated to the cross section’s faces. Valid properties are the following:

Lab2

Lab3

Description

DEL

 

Deletes the face specified in VALUE.

PT_ADD

 

Adds a point (specified in VALUE) to the face specified in IDX1.

PT_ADD

LOC

Adds the nearest point to coordinates (Y, Z) = (IDX2, IDX3) to the face specified in IDX1.

PT_DEL

 

Deletes the last point introduced in the face specified in VALUE.

 

~SECMDF, ICSEC, STRPROP, Lab2, , VALUE

Modifies the type of section used for the structural analysis. Valid properties are:

Lab2

Description

ASEC

Type of section used in the analysis (to which mechanical properties will be calculated). Allowed values are:

1

Generic Gross Section

2

Steel Gross Section

3

Steel Net Section

4

Steel Effective Section

5

Concrete Gross Section

6

Concrete Net Section

7

Transformed Section

8

Equivalent Section

 

~SECMDF, ICSEC, EC3PROP, Lab2, , VALUE

Modifies the properties associated to the section’s analysis as specified in Eurocode No.3. Valid properties are the following:

Lab2

Description

AHOLES

Area of holes to discount to obtain the net area (Art.5.4.2.2)

DUCT

Inelastic energy absorption factor

 

~SECMDF, ICSEC, EAPROP, Lab2, , VALUE

Modifies the properties associated to the section’s analysis as specified in the Spanish code EA. Valid properties are the following:

Lab2

Description

AHOLES

Holes area to discount to obtain the net area (Art.3.3)

F

Summation of the forces transmitted by the bolts in the net section (Art.3.3)

 

~SECMDF, ICSEC, CTESEAPR, Lab2, , VALUE

Modifies the properties associated to the section’s analysis as specified in the Spanish Technical Building Code. Valid properties are the following:

Lab2

Description

AHOLES

Holes area to discount to obtain the net area

 (Art. 6.2.2)

 

~SECMDF, ICSEC, BS5950PR, Lab2, , VALUE

Modifies the properties associated to the section’s analysis as specified in the British Standard 5950 (1985 or 2001). Valid properties are the following:

Lab2

Description

AHOLES

Holes area to discount to obtain the net area (Art.3.4)

FORMED

1

Hot formed (only for BS5950 2001).

0

Cold formed (only for BS5950 2001).

 

~SECMDF, ICSEC, LRFDPROP, Lab2, , VALUE

Modifies the properties associated to the section’s analysis as specified in the AISC-LRFD second edition. Valid properties are the following:

Lab2

Description

AHOLES

Holes area to discount to obtain the net area (Chapter B).

 

~SECMDF, ICSEC, LRFD13PR, Lab2, , VALUE

Modifies the properties associated to the section’s analysis as specified in the AISC-LRFD thirteenth edition. Valid properties are the following:

Lab2

Description

AHOLES

Holes area to discount to obtain the net area (Chapter B).

 

~SECMDF, ICSEC, GB50017P, Lab2, , VALUE

Modifies the properties associated to the section’s analysis as specified in the GB50017 code. Valid properties are the following:

Lab2

Description

AHOLES

Holes area to discount to obtain the net area.

RTB

Factor n1/n (Art. 5.1.1.).

n1

Number of bolts at the calculated section.

n

Number of high strength frictional bolts.

 

~SECMDF, ICSEC, ASMENFPR, Lab2, , VALUE

Modifies the properties associated to the section’s analysis as specified in the ASME BPVC III Subsection NF code. Valid properties are the following:

Lab2

Description

AHOLES

Holes area to discount to obtain the net area.

CT

Reduction coefficient in computing effective net area of an axially loaded tension member (NF-3322.8).

 

~SECMDF, ICSEC, ASD9PROP, Lab2, , VALUE

Modifies the properties associated to the section’s analysis as specified in the AISC-ASD ninth edition. Valid properties are the following:

Lab2

Description

AHOLES

Holes area to discount to obtain the net area.

 

~SECMDF, ICSEC, ASD13PR, Lab2, , VALUE

Modifies the properties associated to the section’s analysis as specified in the AISC-ASD thirteenth edition. Valid properties are the following:

Lab2

Description

AHOLES

Holes area to discount to obtain the net area.

 

~SECMDF, ICSEC, AISC14PR, Lab2, , VALUE

Modifies the properties associated to the section’s analysis as specified in the AISC 14th edition. Valid properties are the following:

Lab2

Description

AHOLES

Holes area to discount to obtain the net area.

 

~SECMDF, ICSEC, AISC15PR, Lab2, , VALUE

Modifies the properties associated to the section’s analysis as specified in the AISC 15th edition. Valid properties are the following:

Lab2

Description

AHOLES

Holes area to discount to obtain the net area.

 

~SECMDF, ICSEC, N690PROP, Lab2, , VALUE

Modifies the properties associated to the section’s analysis as specified in the ANSI/AISC N690 code. Valid properties are the following:

Lab2

Description

AHOLES

Holes area to discount to obtain the net area.

DUCT

Inelastic energy absorption factor

 

~SECMDF, ICSEC, EC2PROP, Lab2, , VALUE, IDX1

Modifies the properties associated to the section’s analysis as specified in Eurocode No.2. Valid properties are the following:

For shear and torsion calculus:

Lab2

Description

DUCT_BN

Inelastic energy absorption factor for bending. Used to consider ductility in HCLPF check.

DUCT_SH

Inelastic energy absorption factor for shear. Used to consider ductility in HCLPF check.

DUCT_TO

Inelastic energy absorption factor for torsion. Used to consider ductility in HCLPF check.

REC

Cover for properties calculation. If this data is modified all properties are automatically recalculated.

BW_VY

Minimum width of the section over the effective depth for shear in Y (Art. 4.3.2.3).

BW_VZ

Minimum width of the section over the effective depth for shear in Z (Art. 4.3.2.3).

D_Y

Effective depth in Y (Art. 4.3.2.3).

D_Z

Effective depth in Z (Art. 4.3.2.3).

RHO1

Ratio of the tension longitudinal reinforcement (Art. 4.3.2.3).

T

Equivalent thickness of the wall (Art. 4.3.3.1).

AK

Area enclosed within the centre-line of the thin-walled cross-section (Art. 4.3.3.1).

UK

Perimeter of the AK area (Art. 4.3.3.1).

THETA

Angles of concrete compressed struts with the longitudinal axis of the member (Art. 4.3.2.4).

KEYAST

Situation of torsion reinforcement (Art. 4.3.3.1).

0 Closed stirrups in both faces of the hollow section

1 Stirrups only through the perimeter

For cracking analysis:

PHI

Bar diameter in mm (Art. 4.4.2.4).

VALUE: quantity’s value.

Allowed values for IDX1 are:

0 All fibers (by default).

1 Fiber Y top

2 Fiber Y bottom

3 Fiber Z top

4 Fiber Z bottom

RHOr

Effective reinforcement ratio, As/Ac,eff, where As is the area of reinforcement contained within the effective tension area, Ac,eff (Art. 4.4.2.4).

VALUE: quantity’s value.

Allowed values for IDX1 are:

0 All fibers (by default).

1 Fiber Y top

2 Fiber Y bottom

3 Fiber Z top

4 Fiber Z bottom

 

~SECMDF, ICSEC, ACIPROP, Lab2, ,VALUE, IDX1

Modifies the properties associated to the section’s analysis as specified in the ACI 318 code. Valid properties are the following:

For shear and torsion calculus:

Lab2

Description

DUCT_BN

Inelastic energy absorption factor for bending. Used to consider ductility in HCLPF check.

REC

Cover for properties calculation. If this data is modified all properties are automatically recalculated.

BW_VY

Web height or diameter of a circular section for shear VY (Art. 11.1)

BW_VZ

Web height, or diameter of circular section for shear VZ (Art. 11.1).

D_Y

Distance from extreme compression fiber to centroid of longitudinal tension reinforcement, for shear VY. (For circular sections, D_Y does not have to be less than the distance from extreme compression fiber to centroid of tension reinforcement in opposite half of member (Art. 11.1).

D_Z

Distance from extreme compression fiber to centroid of longitudinal tension reinforcement for shear VZ. (For circular sections, D_Z does not have to be less than the distance from extreme compression fiber to centroid of tension reinforcement in opposite half of member (Art. 11.1).

ACP

Area enclosed by exterior perimeter of concrete cross section (Art. 11.6.1)

PCP

Exterior perimeter (Art.11.6.1)

AOH

Area enclosed by centerline of the outermost transverse torsional reinforcement (Art. 11.6.3.7).

PH

Perimeter of centerline of outermost transverse torsional reinforcement (Art. 11.6.3.7).

AO

Gross area enclosed by the shear flow path (Art. 11.6.1)

For cracking analysis:

CC

Reinforcement conver (Art. 49.2.5).

VALUE: quantity’s value.

Allowed values for IDX1 are:

1 Fiber Y top

2 Fiber Y bottom

3 Fiber Z top

4 Fiber Z bottom

 

~SECMDF, ICSEC, ACI349PR, Lab2, ,VALUE, IDX1

Modifies the properties associated to the section’s analysis as specified in the ACI 349 code. Valid properties are the following:

For shear and torsion calculus:

Lab2

Description

DUCT_BN

Inelastic energy absorption factor for bending. Used to consider ductility in HCLPF check.

DUCT_SH

Inelastic energy absorption factor for shear. Used to consider ductility in HCLPF check.

DUCT_TO

Inelastic energy absorption factor for torsion. Used to consider ductility in HCLPF check.

REC

Cover for properties calculation. If this data is modified all properties are automatically recalculated.

BW_VY

Web height or diameter of a circular section for shear VY (Art. 11.1)

BW_VZ

Web height, or diameter of circular section for shear VZ (Art. 11.1).

D_Y

Distance from extreme compression fiber to centroid of longitudinal tension reinforcement, for shear VY. (For circular sections, D_Y does not have to be less than the distance from extreme compression fiber to centroid of tension reinforcement in opposite half of member (Art. 11.1).

D_Z

Distance from extreme compression fiber to centroid of longitudinal tension reinforcement for shear VZ. (For circular sections, D_Z does not have to be less than the distance from extreme compression fiber to centroid of tension reinforcement in opposite half of member (Art. 11.1).

ACP

Area enclosed by exterior perimeter of concrete cross section (Art. 11.6.1)

PCP

Exterior perimeter (Art.11.6.1)

AOH

Area enclosed by centerline of the outermost transverse torsional reinforcement (Art. 11.6.3.7).

PH

Perimeter of centerline of outermost transverse torsional reinforcement (Art. 11.6.3.7).

AO

Gross area enclosed by the shear flow path (Art. 11.6.1)

For cracking analysis:

CC

Reinforcement conver (Art. 49.2.5).

VALUE: quantity’s value.

Allowed values for IDX1 are:

1 Fiber Y top

2 Fiber Y bottom

3 Fiber Z top

4 Fiber Z bottom

 

~SECMDF, ICSEC, EHEPROP, Lab2, , VALUE, IDX1

Modifies the properties associated to the section’s analysis as specified in Spanish code EHE. Valid properties are the following:

For shear and torsion calculus:

Lab2

Description

DUCT_BN

Inelastic energy absorption factor for bending. Used to consider ductility in HCLPF check.

REC

Cover for properties calculation. If this data is modified all properties are automatically recalculated.

BW_VY

Shorter width of the section at a height equals to three-quarters the effective depth for shear in Y (Art. 44.2.3.1).

BW_VZ

Shorter width of the section at a height equals to three-quarters the effective depth for shear in Z (Art. 44.2.3.1).

D_Y

Effective depth of the section in Y (Art. 44.2.3).

D_Z

Effective depth of the section in Z (Art. 44.2.3).

RHO1

Geometric ratio of the tensioned longitudinal reinforcement (Art. 44.2.3.2).

HE

Effective thickness (Art. 45.2.1).

AE

Area enclosed by the centre-line of the effective hollow section (Art. 45.2.2).

UE

Perimeter of the centre-line of the effective hollow section (Art. 45.2.2).

THETA

Angles of concrete compressive struts with the longitudinal axis of the member (Art. 44.2.3).

KEYAST

Situation of torsion reinforcement (Art. 45.2.2.1).

0 Closed stirrups in both faces of the hollow section

1 Stirrups only along the perimeter

For cracking analysis:

PHI

Bar diameter in mm (Art. 4.4.2.4).

VALUE quantity’s value.

Allowed values for IDX1 are:

0 All fibers (by default).

1 Fiber Y top

2 Fiber Y bottom

3 Fiber Z top

4 Fiber Z bottom

RHOr

Effective reinforcement ratio, As/Ac,eff, where As is the area of reinforcement contained within the effective tension area, Ac,eff (Art. 4.4.2.4).

VALUE: quantity’s value.

Allowed values for IDX1 are:

0 All fibers (by default).

1 Fiber Y top

2 Fiber Y bottom

3 Fiber Z top

4 Fiber Z bottom

C

Reinforcement cover (Art. 49.2.5).

VALUE: quantity’s value.

Allowed values for IDX1 are:

1 Fiber Y top

2 Fiber Y bottom

3 Fiber Z top

4 Fiber Z bottom

S

Distance between longitudinal bars (Art. 49.2.5).

VALUE: quantity’s value.

Allowed values for IDX1 are:

1 Fiber Y top

2 Fiber Y bottom

3 Fiber Z top

4 Fiber Z bottom

 

~SECMDF, ICSEC, BS8110PR, Lab2, , VALUE

Modifies the properties associated to the section’s analysis as specified in British Standard 8110. Valid properties are the following:

Lab2

Description

DUCT_BN

Inelastic energy absorption factor for bending. Used to consider ductility in HCLPF check.

REC

Cover for properties calculation. If this data is modified all properties are automatically recalculated.

BW_VY

Breadth of section for shear in Y (Art. 3.4.5.1 Part 1).

BW_VZ

Breadth of section for shear in Z (Art. 3.4.5.1 Part 1).

D_Y

Effective depth in Y (Art. 3.4.5.1 Part 1)

D_Z

Effective depth in Z (Art. 3.4.5.1 Part 1)

AS

Longitudinal tension reinforcement (Art. 3.4.5.4 Part 1).

Xw

Torsion modulus

X1

Minimum dimension between rectangular torsion stirrups (Art. 2.4.2 Part 2)

Y1

Maximum dimension between rectangular torsion stirrups (Art. 2.4.2 Part 2)

 

~SECMDF, ICSEC, AS3600PR, Lab2, , VALUE

Modifies the properties associated to the section’s analysis as specified in Australian Standard 3600. Valid properties are the following:

Lab2

Description

DUCT_BN

Inelastic energy absorption factor for bending. Used to consider ductility in HCLPF check.

REC

Cover for properties calculation. If this data is modified all properties are automatically recalculated.

BW_VY

Breadth of section for shear in Y (Art. 8.2.7.1).

BW_VZ

Breadth of section for shear in Z (Art. 8.2.7.1).

DO_Y

Effective depth in Y (Art. 8.2.7.1).

DO_Z

Effective depth in Z (Art. 8.2.7.1).

THETA

Angle of compression struts (Art. 8.2.10).

AST

Area of flexural reinforcement in tension (Art. 8.2.7.1).

AT

Area enclosed by centerline of the outermost closed transverse torsional reinforcement (Art. 8.3.5).

UT

Perimeter of centerline of outermost closed transverse torsional reinforcement (Art. 8.3.6).

JT

Torsional modulus (Art. 8.3.5).

 

~SECMDF, ICSEC, NBR6118P, Lab2, , VALUE

Modifies the properties associated to the section’s analysis as specified in the Brazilian code NBR6118. Valid properties are the following:

Lab2

Description

DUCT_BN

Inelastic energy absorption factor for bending. Used to consider ductility in HCLPF check.

REC

Cover for properties calculation. If this data is modified all properties are automatically recalculated.

BW_VY

Mean width of the section for shear in Y (Art. 17.4.1.1.1).

BW_VZ

Mean width of the section for shear in Z (Art. 17.4.1.1.1).

D_Y

Effective depth of the section in Y (Art. 17.4.2.2).

D_Z

Effective depth of the section in Z (Art. 17.4.2.2).

HE

Effective thickness (Art.17.5.1.4).

AE

Area enclosed by the centre-line of the effective hollow section (Art. 17.5.1.4).

UE

Perimeter of the centre-line of the effective hollow section (Art. 17.5.1.4).

THETA

Angles of concrete compressive struts with the longitudinal axis of the member (Art. 17.4.1.2.3).

 

~SECMDF, ICSEC, AASHTOHB, Lab2, ,VALUE

Modifies the properties associated to the section’s analysis as specified in the AASHTO Standard Specifications for Highway Bridges. Valid properties are the following:

Lab2

Description

DUCT_BN

Inelastic energy absorption factor for bending. Used to consider ductility in HCLPF check.

REC

Cover for properties calculation. If this data is modified all properties are automatically recalculated.

BW_VY

Web height or diameter of a circular section for shear VY (Art. 8.15.5)

BW_VZ

Web height, or diameter of circular section for shear VZ (Art. 8.15.5).

D_Y

Distance from extreme compression fiber to centroid of longitudinal tension reinforcement, for shear VY. (For circular sections, D_Y does not have to be less than the distance from extreme compression fiber to centroid of tension reinforcement in opposite half of member (Art. 8.15.5).

D_Z

Distance from extreme compression fiber to centroid of longitudinal tension reinforcement for shear VZ. (For circular sections, D_Z does not have to be less than the distance from extreme compression fiber to centroid of tension reinforcement in opposite half of member (Art. 8.15.5).

ACP

Area enclosed by exterior perimeter of concrete cross section (ACI-318 Art. 11.6.1)

PCP

Exterior perimeter (ACI-318 Art.11.6.1)

AOH

Area enclosed by centerline of the outermost transverse torsional reinforcement (ACI-318 Art. 11.6.3.7).

PH

Perimeter of centerline of outermost transverse torsional reinforcement (ACI-318 Art. 11.6.3.7).

AO

Gross area enclosed by the shear flow path (ACI-318 Art. 11.6.1)

 

~SECMDF, ICSEC, IS456P, Lab2, ,VALUE

Modifies the properties associated to the section’s analysis as specified in the Indian Standard 456. Valid properties are the following:

Lab2

Description

DUCT_BN

Inelastic energy absorption factor for bending. Used to consider ductility in HCLPF check.

REC

Cover for properties calculation. If this data is modified all properties are automatically recalculated.

BW_VY

Web height or diameter of a circular section for shear VY (Art. 40.1).

BW_VZ

Web height, or diameter of circular section for shear VZ (Art. 40.1).

D_Y

Effective depth in Y (Art. 40.1).

D_Z

Effective depth in Z (Art. 40.1).

Y1

Centre-to-centre distance between corner bars in the Y direction (Art. 41.4.3)

Z1

Centre-to-centre distance between corner bars in the Z direction (Art. 41.4.3)

RHO1

Ratio of the area of longitudinal tension reinforcement to the cross section total area.

 

~SECMDF, ICSEC, SP52101P, Lab2, ,VALUE

Modifies the properties associated to the section’s analysis as specified in the Russian code CP 52-101-03. Valid properties are the following:

Lab2

Description

DUCT_BN

Inelastic energy absorption factor for bending. Used to consider ductility in HCLPF check.

REC

Cover for properties calculation. If this data is modified all properties are automatically recalculated.

BW_VY

Web height or diameter of a circular section for shear VY.

BW_VZ

Web height, or diameter of circular section for shear VZ.

D_Y

Effective depth in Y.

D_Z

Effective depth in Z.

 

~SECMDF, ICSEC, SP63133P, Lab2, ,VALUE

Modifies the properties associated to the section’s analysis as specified in the Russian code CP 63.13330.2012. Valid properties are the following:

Lab2

Description

DUCT_BN

Inelastic energy absorption factor for bending. Used to consider ductility in HCLPF check.

REC

Cover for properties calculation. If this data is modified all properties are automatically recalculated.

BW_VY

Web height or diameter of a circular section for shear VY.

BW_VZ

Web height, or diameter of circular section for shear VZ.

D_Y

Effective depth in Y.

D_Z

Effective depth in Z.

 

~SECMDF, ICSEC, MCD, Lab2, , VALUE, IDX1, IDX2

Modifies the properties associated to the section’s moment curvature diagram. Valid properties are the following:

Lab2

Description

NX_NEW

Introduce an axial force in the moment curvature diagram. The ordinate is interpolated between adjacent values.

VALUE

New axial force

NX_DEL

Delete an axial force in the moment curvature diagram.

VALUE

Axial force index to be deleted

NX_MOV

Moves an axial force in the moment curvature diagram.

VALUE

New axial force

IDX1

Axial force index

TMCD

Type of moment curvature diagram: 0- User-defined; 1- Real

CVTNEW

Introduce a curvature in the moment curvature diagram. The ordinate is interpolated between adjacent values.

VALUE

New curvature

CVTDEL

Delete a curvature in the moment curvature diagram.

VALUE

Curvature index to be deleted

CVT

Moves a curvature in the moment curvature diagram.

VALUE

New curvature

IDX1

Curvature index

IDX2

Axial force value

MMT

Moves a moment in the moment curvature diagram.

VALUE

New moment

IDX1

Moment index

IDX2

Axial force value

 

~SECMDF, ICSEC, MECHPROP, Lab2, , VALUE, IDX1

Modifies the value of the mechanical property selected in Lab2, with respect to the mechanical properties group specified in IDX1. The new value will be introduced in VALUE. Possible values of Lab2 are the following:

Lab2

Description

A

Area.

IYY

Moment of inertia about the Y axis.

IZZ

Moment of inertia about the Z axis.

IYZ

Centrifugal moment.

WY

Elastic modulus about Y axis.

WZ

Elastic modulus about Z axis.

WPY

Plastic modulus about Y axis.

WPZ

Plastic modulus about Z axis.

IY

Radius of gyration about Y axis.

IZ

Radius of gyration about Z axis.

YG

Y coordinate of gravity center.

ZG

Z coordinate of gravity center.

ALPHA

Angle Y→U or Z→V.

IUU

Inertia about principal U axis.

IVV

Inertia about principal V axis.

IU

Radius of gyration about U axis.

IV

Radius of gyration about V axis.

IXX

Torsional inertia.

YM

Distance of center of gravity to shear center M in Y axis.

ZM

Distance of center of gravity to shear center M in Z axis.

IW

Warping constant.

YWS

Shear resistance area according to Y axis.

ZWS

Shear resistance area according to Z axis.

XWT

Torsional modulus.

 

Possible values of IDX1 are the following:

IDX1

Description

1

Generic Gross Section

2

Steel Gross Section

3

Steel Net Section

4

Not used

5

Concrete Gross Section

6

Concrete Net Section

7

Transformed Section

8

Equivalent Section

 

~SECMDF, ICSEC, ROTATE, , , VALUE

Lab1

Description

ROTATE

Rotates the cross section an angle specified in VALUE (degrees). The rotation angle is counter clockwise, from Y axis towards Z axis.

Notes

- When changing the shear or torsion reinforcement cover (REC), all the properties which depend on shear or torsion checking and design are automatically recalculated for concrete sections.

Menu Paths

Main Menu > Civil Preprocessor > Cross Sections > Modify

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