D6.A.8.1 IPE Shapes

These shapes are designated in the following way.

10 15  TA ST IPE140
20 TO  30 TA ST IPEA120
33 36  TO 46 BY 2 TA ST IPER180

D6.A.8.2 HE shapes

HE shapes are specified as follows.

3 5  TA ST HEA120A
7 10  TA ST HEM140
13 14  TA ST HEB100

D6.A.8.3 IPN Shapes

The designation for the IPN shapes is similar to that for the IPE shapes.

25 TO  35 TA ST IPN200
23 56  TA ST IPN380

D6.A.8.4 T Shapes

Tee sections are not input by their actual designations, but instead by referring to the I beam shapes from which they are cut. For example,

1 5  TA T IPE140
2 8  TA T HEM120

D6.A.8.5 U Channels

Shown below is the syntax for assigning 4 different names of channel sections.

1 TO  5 TA ST UAP100
6 TO  10 TA ST UPN220
11 TO  15 TA ST UPN240A 
16 TO  20 TA ST UAP250A

D6.A.8.6 Double U Channels

Back to back double channels, with or without a spacing between them, are available. The letter D in front of the section name will specify a double channel.

11 TA  D UAP150 
17 TA  D UAP250A SP 0.5 

In the above set of commands, member 11 is a back-to-back double channel UAP150 with no spacing in between. Member 17 is a double channel UAP250A with a spacing of 0.5 length units between the channels.

D6.A.8.7 Angles

Two types of specification may be used to describe an angle. The standard angle section is specified as follows:

16 20  TA ST L30X30X2.7

The above section signifies an angle with legs of length 30mm and a leg thickness of 2.7mm. This specification may be used when the local Z axis corresponds to the z-z axis specified in Chapter 2. If the local Y axis corresponds to the z-z axis, type specification "RA" (reverse angle) should be used instead of ST.

17 21  TA RA L25X25X4
22 24  TA RA L100X100X6.5

Note that if the leg thickness is a round number such as 4.0, only the number 4 appears in the section name, the decimal part is not part of the section name.

D6.A.8.8 Double Angles

Short leg back-to-back or long leg back-to-back double angles can be specified by means of input of the words SD or LD, respectively, in front of the angle size. In case of an equal angle, either SD or LD will serve the purpose.

33 35  TA SD L30X20X4 SP 0.6
37 39  TA LD L80X40X6
43 TO  47 TA LD L80X80X6.5 SP 0.75

D6.A.8.9 Tubes (Rectangular or Square Hollow Sections)

Section names of tubes, just like angles, consist of the depth, width and wall thickness as shown below.

64 78  TA ST TUB50252.7
66 73  TA ST TUB2001008.0 

Members 64 and 78 are tubes with a depth of 50mm, width of 25mm and a wall thickness of 2.7mm. Members 66 and 73 are tubes with a depth of 200mm, width of 100mm and a wall thickness of 8.0mm. Unlike angles, the ".0" in the thickness is part of the section name.

Tubes can also be input by their dimensions instead of by their table designations. For example,

6 TA  ST TUBE DT 8.0 WT 6.0 TH 0.5

is a tube that has a depth of 8 length units, width of 6 length units, and a wall thickness of 0.5 length units. Only code checking, no member selection, will be performed for TUBE sections specified in this way.

D6.A.8.10 Pipes (Circular Hollow Sections)

To designate circular hollow sections, use PIP followed by numerical value of the diameter and thickness of the section in mm omitting the decimal portion of the value provided for the diameter. The following example illustrates the designation.

8 TO  28 TA ST PIP422.6
3 64  78 TA ST PIP21912.5

Members 8 to 28 are pipes 42.4mm in dia, having a wall thickness of 2.6mm. Members 3, 64 and 78 are pipes 219.1mm in dia, having a wall thickness of 12.5mm.

Circular hollow sections may also be provided by specifying the outside and inside diameters of the section. For example,

1 TO  9 TA ST PIPE OD 25.0 ID 20.0

specifies a pipe with outside dia. of 25 length units and inside dia. of 20 length units. Only code checking, no member selection will be performed if this type of specification is used.