Apex Haunch

Tekla Structures

Not version-specific

Tekla Structures

Environment

Not environment-specific

Purpose and description

Apex Haunch connection connects two beams, tapered sections (PEB S94 Tapered Section) or 3 welded plates profile. Tapered sections or 3 welded plates can have web and flanges welded with any type of welds: part to part or polygon weld.

System requirements

Tekla Structures version: Not version specific
Environments: All

Installing Apex Haunch

To install the extension:

Download Apex Haunch installer package from Tekla Warehouse. For more information see Downloading an application from Tekla Warehouse.
Install the file package.

Using Apex Haunch

To use the extension:

Open a Tekla model.
Click the Applications & components button

Image

in the side pane to open the Applications & components catalog.
Search for Apex Haunch and then double-click to open it.
Create two beams or tapered sections beams.
For regular beams.
1. Select the main part (supporting beam).
2. Select the secondary part (supported beam).
  The component is then created automatically.

For tapered sections.
1. Select the main part (flange or web of the supporting tapered section).
2. Select the secondary part (flange or web of the supported tapered section).
  The component is then created automatically.

Note: The connection does not support any contour plates so make sure that the selected web or flange isn’t a contour plate.

Situation	Description
Image	Apex Haunch connection with both end plates, both top flange stiffener, filler plates and web stiffeners.
Image	Apex Haunch connection with both end plates, both top flange stiffener, both bottom flange stiffener, bottom flange stiffener, haunch profiles, haunch webs, haunch flanges, filler plates and web stiffeners.

Part identification key

	Part
1	Primary top flange stiffener
2	Main part end plate
3	Filler plates
4	Secondary part end plate
5	Secondary top flange stiffener
6	2nd Web stiffener
7	Secondary haunch web
8	Secondary haunch flange
9	Primary haunch flange
10	Primary haunch web
11	Web stiffener
12	Secondary bottom flange stiffener
13	Primary bottom flange stiffener

Picture

Use Picture tab to control the dimensions of the parts created in the Apex Haunch connection.

Part dimensions

	Description	Default
1	Define the second end plate top dimension.	Calculated
2	Define the second end plate bottom dimension.	Calculated
3	Define the distance between plates.	0 mm
4	Define the main end plate bottom dimension.	Calculated
5	Define the number of web stffeners. This field becomes active only if Yes option is selected in the Create web stiffeners list.	0
6	Web stiffener spacing of vertical top and bottom bolts. Use a space to separate web stiffeners spacing values. Enter a value for each space between web stiffeners. For example, if there are 3 web stiffeners, enter 2 values. This field becomes activve only if Yes option is selected in the Create web stiffeners list.	primary fitted height/ (number of web stffeners+1)
7	Define the position of web stiffeners from the top flange of the beams. This field is activve only if Yes option is selected in the Create web stiffeners list.	primary fitted height/ (number of web stffeners+1)
8	Define the main end plate top dimension.	Calculated

Create top flange stiffeners

Option	Description
Image	Default
Image	Yes
Image	No

Create web stiffeners

Option	Description
Image	Default
Image	No No web stiffeners are created.
Image	Yes Web stiffeners are created.

Bottom geometry of connection

Option	Description
Image	Default
Image	Flange stiffeners
Image	Haunch
Image	None

Convert to symmetry

Option	Description	Example
Image	Default	Yes
Image	No - The haunch plates are not symmetrically.	Image “A” geometrical position When using the No option in the Convert to symmetry list form the Picture tab, the connection is positioned at the intersection of an imaginary vertical line, at the intersection of the top flange extension of the primary part with the top flange of the secondary part. Image “V” geometrical position When using the No option in the Convert to symmetry list form the Picture tab, the connection is positioned at the intersection of an imaginary vertical line, at the intersection of the bottom flange extension of the primary part with the bottom flange of the secondary part.
Image	Yes - The haunch plates are symmetrically.	Image A” geometrical position Image “V” geometrical position When using the Yes option in the Convert to symmetry list form the Picture tab, the connection is positioned at the intersection of an imaginary line, that connects with the following points: First point - at the intersection of the top flange extension of the primary part with the top flange of the secondary part. Second point - at the intersection of the top flange extension of the primary part with the top flange of the secondary part.

Fitting options

Option	Description
Image	Default
Image	Beam flange perpendicular to beam axis.
Image	Beam flanges fitted to be level with the end plates.

Tolerance value and type

	Description	Default
1	Define the tolerance between end plates.	0 mm
2	Defines how to measure tolerance between end plates. The options are: Default; Distance; Angle (degrees).	Distance

Web stiffener dimension position

Option	Description
Image	Default
Image	Top
Image	Middle
Image	Bottom

Parts

The Parts tab can be used for defining properties for the parts created by the Apex Haunch connection.

Part properties

Option	Description	Default
Pos_No	Define a prefix and a starting number for the part position number.	P
Material	Define material grade.	S275J2G4
Name	Define a name that is shown in drawings and reports.

Part dimensions

Part	Description	Default
Main part end plate	Define the thickness, width and height of the main part end plate.	thickness= 20 mm width = maximum horizontal bolt spacing + bolts edge distance. height = calculated.
Secondary part end plate	Define the thickness, width and height of the secondary part end plate.	thickness= 20 mm width = maximum horizontal bolt spacing + bolts edge distance. height = calculated.
Primary top flange stiffener	Define the thickness of the primary top flange stiffener.	thickness= web thickness of the corresponding main part or next plate size.
Secondary top flange stiffener	Define the thickness of the secondary top flange stiffener.	thickness= web thickness of the corresponding secondary part or next plate size.
Primary bottom flange stiffener	Define the thickness of the primary bottom flange stiffener. This field is not active if you select one of the Haunch or None option in the Choose the bottom geometry of connection list in Picture tab.	thickness= web thickness of the corresponding main part or next plate size.
Secondary bottom flange stiffener	Define the thickness of the secondary bottom flange stiffener. This field is not active if you select one of the Haunch or None option in the Choose the bottom geometry of connection list in Picture tab	thickness= web thickness of the corresponding secondary part or next plate size.
Primary haunch prof	The primary haunch profile is created by selecting it from the profile library. This field is not active if you select one of the Flange stiffeners or None options in the Choose the bottom geometry of connection list in Picture tab.	By default haunch is made by welded plates.
Secondary haunch prof	The secondary haunch profile is created by selecting it from the profile library. This field is not active if you select one of the Flange stiffeners or None options in the Choose the bottom geometry of connection list in Picture tab.	By default haunch is made by welded plates.
Primary haunch web	Define the thickness of the primary haunch web. This field is not active if you select one of the Flange stiffeners or None options in the Choose the bottom geometry of connection list in Picture tab.	thickness= web thickness of the corresponding main part or next plate size.
Primary haunch flange	Define the thickness and width of the primary haunch web. This field is not active if you select one of the Flange stiffeners or None options in the Choose the bottom geometry of connection list in Picture tab.	thickness= flange thickness of the corresponding main part or next plate size. width = flange width of the corresponding main part.
Secondary haunch web	Define the thickness of the secondary haunch web. This field is not active if you select one of the Flange stiffeners or None options in the Choose the bottom geometry of connection list in Picture tab.	thickness= web thickness of the corresponding secondary part or next plate size.
Secondary haunch flange	Define the thickness and width of the secondary haunch web. This field is not active if you select one of the Flange stiffeners or None options in the Choose the bottom geometry of connection list in Picture tab.	thickness= flange thickness of the corresponding secondary part or next plate size. width = flange width of the corresponding main part.

Filler Plates

The Filler Plates tab can be used for defining properties for the filler plates created by the Apex Haunch connection.

Plate properties

Option	Description	Default
Pos_No	Define a prefix and a starting number for the part position number.	P
Material	Define material grade.	S235JR
Name	Define a name that is shown in drawings and reports.

Plate dimensions

Option	Description	Default
Filler plate	Define the thickness of the filler plate. Fitting plates between the end plate and the secondary part end plate can be created by defining the thickness.	thickness= 2 mm
No. of filler plates	Define the number of filler plates.	1

Slotted holes

Option	Description
Image	Default
Image	With holes.
Image	Horizontal slotted holes.
Image	Vertical slotted holes.

Tolerance

Define the tolerance for the slots in finger filler plates. The width of the slot is the bolt diameter + the tolerance.

Bolt edge distances

	Description	Default
1	Distance on horizontal bolt edge distance in the filler plate.	35 mm
2	Distance on vertical bolt edge distance in the filler plate.	35 mm

Max gap allowed to endplate

Define the limit value for the gap between the end plate and secondary or main part. Use this gap in connections of slightly curved or sloped beams to decide if the end angle is so small that the beam end can be left straight.
If the actual gap is smaller than this value, the beam end is left straight.
If the actual gap is larger, then the beam end is fitted to the end plate.

Type

Option	Description	Default
Type	Define the filler plate creation. The options are: Default One filler plate Separated	Separated

Haunch

The Haunch tab can be used for defining properties for the haunch created by the Apex Haunch connection.

For Flange stiffeners option from Bottom geometry of connection list form the Picture tab

Flange stiffener type

Option	Description
Image	Default
Image	Triangle
Image
Image
Image
Image	Square

Chamfer dimensions

	Description	Default
1	Distance on horizontal chamfer direction.	0 mm
2	Distance on vertical chamfer direction.	0 mm

Chamfer type

Option	Description
Image	Default
Image	None
Image	Line
Image	Arc
Image	Cope

Option	Description
Image	Default
Image	None
Image	Line
Image	Arc
Image	Cope

Option	Description
Image	Default
Image	None
Image	Line
Image	Arc
Image	Cope

Option	Description
Image	Default
Image	None
Image	Line
Image	Arc
Image	Cope

Flange stiffeners dimensions

	Description	Default
1	Define de dimension of the top flange stiffener along the beam flange.	1.5*value of field “2”
2	Define the height of the top flange stiffener.	part height/3
3	Define the dimension of the bottom flange stiffener along the bottom beam flange.	1.5*value of field “4”
4	Define the height of the bottom flange stiffener.	part height/3

For Flange stiffeners option from Bottom geometry of connection list form the Picture tab

Flange stiffener type

Option	Description
Image	Default
Image	Triangle
Image
Image
Image
Image	Square

Chamfer dimensions

	Description	Default
1	Distance on horizontal chamfer direction.	0 mm
2	Distance on vertical chamfer direction.	0 mm

Chamfer type

Option	Description
Image	Default
Image	None
Image	Line
Image	Arc
Image	Cope

Option	Description
Image	Default
Image	None
Image	Line
Image	Arc
Image	Cope

Option	Description
Image	Default
Image	None
Image	Line
Image	Arc
Image	Cope

Option	Description
Image	Default
Image	None
Image	Line
Image	Arc
Image	Cope

Flange stiffeners dimensions

	Description	Default
1	Define the dimension of the top flange stiffener along the beam flange.	1.5*value of field “2”
2	Define the height of the top flange stiffener.	main part height/3
3	Define the dimension of the haunch along the bottom beam flange. Image	If α<75° then the haunch is created horizontally.
3		If α>75° then the haunch is created with the next formula: 1.5*haunch height
4	Define the height of the haunch.	main part height/3

Chamfer dimensions

Note: These dimensions are the same for all haunch chamfers.

Option	Description	Default
x	Define the horizontal dimension of the haunch plate chamfer.	0 mm
y	Define the vertical dimension of the haunch plate chamfer.	0 mm

Chamfering type

Option	Description
Image	Default
Image	No: No chamfer is created
Image	Line: Creates a line chamfer
Image	Arc: Creates a convex chamfer
Image	Cope: Creates a concave chamfer
Image	Type 1
Image	Type 2
Image	Type 3

Cut at upper end of haunch profile

	Description	Default
1	Define the vertical cut dimension of the haunch plate. (This dimension is perpendicular on the flange.) This dimension works only for profile haunch.	15 mm

Symmetrical cut for profile haunch

Option	Description
Image	Default
Image	Skewed cut
Image	Vertical cut
Image	No cut

Cut at lower end haunch

Option	Description
Image	Default
Image	Yes
Image	No

Web stiffener

The Web stiffener tab can be used for defining properties for the haunch created by the Apex Haunch connection.

Stiffener properties

Option	Description	Default
Pos_No	Define a prefix and a starting number for the part position number.	P
Material	Define material grade.	1
Name	Define a name that is shown in drawings and reports.

Stiffener dimensions

Option	Description	Default
Web stiffener	Define the thickness and width of the web stiffener.	thickness= main part web thickness width= fit to end plate
2nd web stiffener	Define the thickness and width of the 2nd web stiffener	thickness= secondary part web thickness width= fit to 2nd end plate

Web stiffener type

Option	Description
Image	Default
Image	Triangle
Image	Square

Chamfer dimensions

	Description	Default
1	Distance on horizontal direction between bolts and plate.	0 mm
2	Distance on vertical direction between bolts and plate.	0 mm

Chamfer type

Option	Description
Image	Default
Image	None
Image	Line
Image	Arc
Image	Cope

Option	Description
Image	Default
Image	None
Image	Line
Image	Arc
Image	Cope

Option	Description
Image	Default
Image	None
Image	Line
Image	Arc
Image	Cope

Option	Description
Image	Default
Image	None
Image	Line
Image	Arc
Image	Cope

Web stiffener length

	Description	Default
1	Define the length for right side stiffeners.	1.5 * web stiffener width
2	Define the length for left side stiffeners.	1.5 * web stiffener width

Bolts

The Bolts tab can be used for defining properties for the bolts created by the Apex Haunch connection.

Bolt basic properties

Option	Description	Default
Size	Bolt diameter.	12
Standard	The bolt standard to use inside the component.	6914
Tolerance	The gap between the bolt and the hole.	6914
Thread in mat	Indicate if the thread can be inside bolted parts when using bolts with a shaft. Has no effect if using full-threaded bolts.	No
Site/Workshop	Location where bolts should be attached.	Site

Bolt basic properties

You can define slotted, oversize, or tapped holes with the following options.

Option	Description	Default
1	Slotted hole X-dimension or allowance for oversized holes.	12
2	Slotted hole Y-dimension.	Zero, which results in a round hole.
Hole type	Slotted creates slotted holes. Oversize creates oversized or tapped holes.
Rotate slots	When hole type is Slotted, this option rotates the slotted holes.
Slots in	Member(s) in which slotted holes are created. The options depend on the component

Bolt assembly

Select checkboxes to indicate the pieces to use in the bolt assembly (bolt, washers, and nuts).

To only create a hole, clear all checkboxes.
To modify the bolt assembly in an existing component, select the Effect in modify checkbox and click Modify.

Bolt extra length

This dimension increases the bolt length. For example, you could use this for painted parts.

Bolts properties

	Description	Default
1	Define the number of horizontal top and bottom bolts.	2
2	Bolt spacing of horizontal top and bottom bolts. Use a space to separate bolt spacing values. Enter a value for each space between bolts. For example, if there are 3 bolts, enter 2 values.	Bolt size * 3.5
3	Vertical bolts edge distance.
4	Define the number of vertical top and bottom bolts.	top stiffeners height / bolts spacing + 1 or bottom stiffeners height / bolts spacing + 1 or haunch height / bolts spacing + 1
5	Bolt spacing of vertical top and bottom bolts. Use a space to separate bolt spacing values. Enter a value for each space between bolts. For example, if there are 3 bolts, enter 2 values.	Bolt size * 3.5
6	Vertical bolts flange distance.
7	Define the number of vertical middle bolts.	3
8	Bolt spacing of vertical middle bolts. Use a space to separate bolt spacing values. Enter a value for each space between bolts. For example, if there are 3 bolts, enter 2 values.	Bolt size * 3.5
9	Define the number of horizontal middle bolts.	2
10	Bolt spacing of horizontal middle bolts. Use a space to separate bolt spacing values. Enter a value for each space between bolts. For example, if there are 3 bolts, enter 2 values.
11	Horizontal bolts edge distance.
12	Indicates how to measure dimensions for horizontal bolt group position: Default Left: From the left edge of the secondary part to the leftmost bolt; Middle: From the center line of the secondary part to center line of the bolts; Right: From the right edge of the secondary part to the rightmost bolt.	Middle
13	Dimension for horizontal bolt group position.
14	Define the dimension for vertical bolt group position.
15	Indicates how to measure dimensions for vertical bolt group position: Default Top: From the upper edge of the secondary part to the uppermost bolt; Middle: From the center line of the center line of the secondary part; Bellow: From the lowest edge of the secondary part to the lowest bolt.	Middle
16	Dimension for horizontal top and bottom flange stiffeners bolt group position.

Staggering of bolts

Option	Description
Image	Default
Image	Not staggered
Image	Staggered type 1
Image	Staggered type 2
Image	Staggered type 3
Image	Staggered type 4