We can also modify the color and transparency of parts in model views to easily see which parts are in a specific section of the model by using representation filters. In the Steel
Detailing role, concrete is set to be transparent by default.
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objects › Object representation settings
1. In a model view, such as your3d view, double-click in the view background to bring up theView Properties dialog box.
UnderColor and transparency in all views , there is a drop-down menu for predefined view filters.
2. SelectColor by Phase from the drop-down menu and clickModify.
We can now see that all parts in Phase 1 are colored gray (class 1) and all parts in Phase 2 are colored red (class 2). All open model views will have the same representation applied.
You can create your own Object Representation filters similar to the way we created our own selection and view filters.
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In the Steel Detailing role, there are Object Representation settings in place by default to always show concrete as slightly transparent, so that steel parts are always visible, even if embedded.
Sys tem Com pon ents
Tekl a Structu res 20.0 2014 Steel Basic Training
Copyright © 2014 Tekla Corporation
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3. Click the middle-mouse button to end the command, and the bolts should now go all the way through each member.
4. Go toTools > Inquire > Assembly Objects and select each member to verify the assemblies are correct.
2.10 Clash Check Manager
Check clashing
1. Click and drag a window around all of the framing in the7"1/2 view. BLDG 1 PLAN AT EL. 12'-2. Right-click and selectClash check.
Tekla Structures displays the clashing objects in theClash Check Manager dialog box.
3. Select any clashing parts from the list, and Tekla Structures highlights them in the model.Double click on the clash to zoom to the parts in the model.
Note that one member may cause and report several different clashes with other members and these will all show up on the manager.
There are more tools available in the Clash Check Manager.
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clashes › Clash Check Manager
The Clash Check Manager checks the steel using ‘high accuracy’ settings – meaning that it looks at things like the radius where the beam web meets the flange even though it may not be visible in the model.
If you want to see the steel in high accuracy for a quick check, you can highlight the parts, hold the Shift key and right-click > Show with Exact Lines. To turn them back to the srcinal appearance, repeat the command but do not hold the Shift key.
The out of the box settings do not keep the higher accuracy in the model view on all of the time for performance reasons when navigating in the model.
Different settings on theSelect Filt ers tool bar will allow you to locate different types of clashes. For instance you can restrict the clash check to only look for clashes between
2.11 Model V iew settin gs
Not only can we use and create view filters to aid in modeling and drawing creation, but we can also modify the model view properties to include or exclude certain objects as well as adjust the accuracy of how certain objects are shown.
First we will adjust display settings.
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settings › Display settings
Modify Displ ay Prope rties
1. In a model view, such as your3d view, double-click in the view background to bring up theView Properties dialog box.
2. Click on theDisplay button.
TheDisplay dialog box has two columns of checkboxes; one for loose parts in the model, and one for parts that are inside components. Using these checkboxes, you can turn on and off objects depending on their hierarchy.
3. Uncheck the box forBolts under theIn components column.
4. Make sure the view is highlighted that you want to change, and clickModify.
Notice how the bolts disappear from the component because we have turned them off in the display properties for this view.
Turning certain objects off can help speed up view regeneration, especially once your models get larger and more complex.
There are also drop-down boxes on the right underRepresentation. These drop-downs allow you to set the definition for your objects. You can choose to show partsExact, which looks better visually, or for speed you can set them forFast.
5. With yourDisplay dialog box still up, check onBolts underIn components again.
6. SelectFast from the drop down menu underRepresentation. 7. ClickModify.
Notice that our bolts are now shown as black reference lines, instead of displaying as actual bolts.
You can set your bolts back toExact before continuing, and close theDisplay properties dialog box.
You can set other objects to Fast as well, such as Parts.Fast uses a rapid drawing technique that displays internal hidden edges, but skips cuts. The setting does not automatically affect already modeled parts. When you switch this setting on, the fast representation mode will be applied only to newly created parts and to parts that are displayed with theShow with Exact Lines command. The cuts are still in the model, and your drawings will be correct. It is just a visual setting.
Interact iv e Steel Detail ing
Tekl a Structu res 20.0
2014 Steel Basic Training
Contents
3 Interact iv e Steel Detail ing... 1 3.1 Create Gusset Plate w ith Stiffeners Interactively ... 1
Explode gusset plate connection ... ... ... ... ... . 2 Reshape the gus set plate ... ... ... ... ... 3 Add stiffeners ... 5
Modify roof bracing con nection ... ... ... ... ... ... 7 3.2 Create an Unusual or Unique C onnection ... 9
Create plate an d fitting for the beam ... ... ... ... ... 9 Create a plate for the colum n ... ... ... ... ... . 13 Adjust Contour Plate ... 16
Create welds ... ... ... ... ... ... ... .... 17 Create bolt group ... ... ... ... ... ... ... 20 3.3 Create a Custom Component ... 24
Define the Custom Component ... 24
Apply the Custom Component ... 28
3 Int eract iv e Steel Detail in g
In this lesson
Tekla Structures system components cover a great variety of the components used in most projects. However, you may come across situations where it's not possible to make the
necessary connections in your model using the system components.
In this chapter we will take advantage of the Tekla Structures tube gusset connection by using it as a base for a customized connection. We will explode the system component, modify the ungrouped objects and then add objects to the connection using a system component detail.
We will also create a whole new connection (i.e. all connection objects: parts, welds, bolts and cuts) interactively from scratch without using any system components.
We will learn how to:
Explode and modify a System Component to our specific needs
Combine one System Component with the modified parts to create a complex connection
Create a Custom Component interactively
Apply the created component around the model
3.1 Create Gus set Plate with Stiffene rs Interactively
In Tekla Structures there may not always be a system component available in which you can get the desired shape or parts included in the connection. You can, however, modify the parts that were created and apply a second system component detail to get the final result.
We will explode an existing tube gusset connection, modify the gusset plate shape and then create stiffeners in the connection using a system component detail.
Near the bottom end of the column at grid A/2 is aTube Gusset (20) connection.
In the figure on the left, we see the connection before the stiffeners have been added. In the figure on the right, we see how the connection will look after the stiffeners have been added.
Explode gusset plate connectio n
Inside of the system connection we are not able to reshape the gusset plate the way it is shown in previous image.
In situations where the connection parameters do not contain a particular option, we must edit the parts outside of the connection.
In order to modify connection objects outside the connection, we need to explode the connection to ungroup the objects in the connection. Modifications when done outside of the connection dialog box without first exploding the connection will result in the changes being overwritten if the connection were to get updated.
Before exploding the connection you should take advantage of the connection to get as close to the desired result as possible since editing connection macros is faster and easier than editing objects outside the connection.
Explode connection To explode the connection:
1. Select gusset plate’s connection symbol.
2. Right-click and selectExplode Component .
All connection objects (even if they are set to "not visible" in the view properties) will become visible. Now all of these objects have lost intelligence and association to the
connection dialog box.
After exploding the connection, the objects that were in the connection are no longer connection objects.
They will be presented in the model as objects (main parts) both in wire frame and in shaded wire frame.
Reshape the gus set pl ate
We will now reshape the gusset plate as shown in the figure below by editing the polygon plate usingDirect modification .
The system component added the gusset plate using the 'Contour Plate' command that we have not actually learned yet. The contour plate features special editable corners that can be adjusted easily. This exercise highlights how to edit a component that has been added by the system. This is the quickest way to work when 3D modeling. Add the system component closest to your needs, and then edit it as necessary.
Create Constru ction Lines
We will first create a temporary construction line to help to locate the bottom right corner of the gusset plate.
We want to work in a plane view, not 3d, while making changes.
1. Open theBLDG 1ELEVATION ON GRID A view and zoom in to the brace connection on column line 2.
2. Ctrl + 2Ctrl + 2to lighten up the pieces.
3. Click the Ad d co nstru cti on l in e icon.
4. While holding downCtrl, pick the top left corner of the gusset plate as a reference point.
5. Track the mouse down along the face of the column until it reaches 10”, then click to place the first point of the construction line.
6. Next right-click and select Perpendicular to turn on just that snap.
7. Pick a perpendicular snap at the column flange edge and the construction line is created.
Modify the pl ate
Instead of recreating the polygon plate we will now reshape the existing plate by usingDirect modification.
1. Make sure the intersection snap is turned on.
2. Click theDirect modification icon next to the selection filters.
3. Click on the plate to select it and enable the handles along its edge.
4. Grab the middle handle on the right side and drag it down to meet the intersection of the plate edge and the construction line. Hold theShift key to enable the snap.
5. Select the bottom corner and drag it up to meet the construction line. Again, holdShift to enable the snap to intersection.
6. Click in the model background to deselect the plate and click theDirect modification button again to turn it off.
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and modifying parts › Modifying the shape of a part The construction line is no longer needed, and you can delete it.
The Modify command can be used to add handles, remove them, and also adjust the shape by dragging faces instead of just corners.
Add stiffen ers
We will now add stiffeners to our connection using theMultiple Stiffeners (1064) detail.
When we open the detail’s dialog box we can see which options are available to us for creating the stiffeners. In this case we are interested in setting the stiffener spacing.
Create stiffeners usi ng macro
1. Open the component catalog (Ctrl+F), and find theMultiple stiffeners (1064) component. Double-click on the component icon.
2. Edit the fields shown highlighted on each of the tab pages shown below, and click App ly.
3. Pick the column.
4. Pick the midpoint of the gusset plate, and the stiffeners are created.
5. Go toTools > Inquire > Assembly Objects and select the brace and column to verify the assemblies are correct.
6. Savethe settings for later use.
You can see the final result in the figures below.
If you need to remove a part from a system component but cannot find an option in any of the drop down fields to do so, you can just enter a zero thickness for that parts ’t’ value. This will effectively remove the item from the component and the connection in the model.
Modify roof bracing connection
Next, we will modify the connections at the top of the vertical bracing using a different command to reshape the gusset plate.
1. Explode the bracing connection at the top of the column on grid A/2.
2. Select the gusset plate and go toDetailing > Modify Polygon Shape .
This command works by picking on an existing handle to start, then pick the location of new handle(s) to be created, and then finish on an existing handle.
3. Click on the bottom corner/handle to start the command.
4. Next right-click and selectPerpendicular from the snap override list.
6. Click on the bottom corner of the beam.
The final picking point will set the new shape of the plate, but we do not want to pick on the handle closest to the end of the beam, this will leave that handle there even though it is not a corner anymore. Instead we will pick on the handle on the right side of the plate.
7. Click the handle on the upper right corner of the gusset plate.
Now that the plate has been defined, Tekla prompts in the bottom left to Pick corner to remove – this means the srcinal upper left corner handle. It is not longer required, since we have redefined where that corner is.
8. Click on the srcinal upper left handle of the plate.
The handle will disappear and the plate is now resized based on the picking points.
9. Go toTools > Inquire > Assembly Objects and select each member to verify the assemblies are correct.
Either the Modify command or Modify Polygon Shape can be used to reshape contour plates. They each have advantages depending on the situation, and the final result is the same.
3.2 Create an Unus ual or Uniq ue Conn ectio n
Sometimes you may need to create all the objects for a connection interactively. As an example we will now create plates, a polygon cut, a fitting, a bolt group and welds interactively in order to create the unusual looking connection shown below.
Create plate a nd f itti ng f or th e beam
Open Elevation views and delete the connection
1. Open theBLDG 1 EL EVATION ON GRID A andBLDG 1 ELEVATION ON GRID 1 views.
2. Zoom to grid intersection A/1 at level 44’-0”.
4. Hide the skewed beam by selecting, then holdShift andright-cli ck > Hide. Create end pl ate for the beam
We will now use the beam command to create the end plate for the beam.
1. Click onView > Set Work Plane > Parallel t o View Plane, and then click in theBLDG 1 ELEVATION ON GRID Aview.
2. Start the beam command (double click beam icon),Load thePlate attributes and App ly the properties for the end plate shown in the dialog box below.
It is possible to create plates by using either the beam or the contour plate command.
In theComponent front view :
3. Hold down theCtrl key, and pick the intersection of the beam lower flange and the column flange to set the first “From” location coordinates.
4. Zoom in and track to the right until the cursor autosnaps to1/2”, then holdCtrl again and click to set the second reference coordinate.
5. Type the letterO to turn on ortho tracking, and track upwards until the cursor autosnaps to1/4”, then click.
6. To pick the second position, hold down theCtrl key, and pick the perpendicular at the top beam flange. Then zoom in, and drag down to autosnap to1/4”.
The plate then appears.
Fit th e end of a beam
We will use theFitting command to trim the end of the beam at the end plate.
TheFitting tool will trim the end of the beam on a p lane perpendicular to the view plane, which is defined by picking two points on a line.
For steel parts, a Fitting should be used to adjust the ends instead of other cutting tools – by default Fittings affect CNC data for length in ways that other cuts may not. For more information, see the User Assistance links.
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