Tapered column (S99)

Tekla Structures
Modified: 10 Dec 2024
2025
Tekla Structures

Tapered column (S99)

Tapered column (S99) creates a single built-up column, which can be straight or tapered.

Objects created

  • Vertical web plate

  • Vertical outer flange plate

  • Inclined inner flange plate

  • Top plate

  • Flange stiffeners (2)

  • Horizontal stiffeners (2)

  • Welds

Use for

Situation Description

A tapered built-up column with a stiffened corner.

Flange stiffeners:

A straight built-up column.

Before you start

Ensure that you have a point to pick.

Selection order

  1. Pick the position of the column:

    The column is created automatically when you pick the position.

Part identification key

Description

1

Web plate

2

Horizontal stiffener

3

Top plate

4

Inner flange plate

5

Outer flange plate

Picture tab

Use the Picture tab to define the column dimensions.

Dimensions

Description

1

Dimension from the web plate top corner to the top of the stiffener

2

Dimension from the top of the stiffener to the inner corner of the web plate

3

Inner flange plate slope

4

Web plate width at the bottom

5

Web plate vertical offset from the input point

6

Web plate dimension from the input point to the top of the horizontal stiffener

7

Top plate slope as a percentage, for example, 10.

8

Horizontal stiffener length

Parts tab

Use the Parts tab to define the plate properties.

Parts

Option Description

Web

Thickness of the web

Outer flange, Inner flange, Top plate, Horiz stiffener

Select the profiles on the Parameters tab.

Flange stiffener

Thickness of the flange stiffener

Option

Description

Default

Pos_No

Prefix and start number for the part position number.

Some components have a second row of fields where you can enter the assembly position number.

The default part start number is defined in the Components settings in File menu > Settings > Options.

Material

Material grade.

The default material is defined in the Part material box in the Components settings in File menu > Settings > Options.

Name

Name that is shown in drawings and reports.

Parameters tab

Use the Parameters tab to define the plate profiles, orientation, and dimensions.

Profiles

Option Description

Outer flange profile, Inner flange profile, Top plate profile, Horizontal stiffener profile

Profile size of the plates.

The std_flange_plates.dat file defines the available plate profiles.

Flange splice dimension

If the plate is longer than the maximum plate length defined in the std_flange_plates.dat file, Tekla Structures creates a splice.

Description

1

Inner flange splice dimension

2

Outer flange splice dimension

Orientation

Option Description

Select a suitable rotation.

The column web is rotated relative to the work plane.

Extra length

Description

1

Outer flange extra length

2

Top plate extra length

Horizontal stiffener chamfer

Description

1

Internal chamfer dimension in the horizontal stiffener. The default value is 15.

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