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U.S. Base plate (1047)

Last updated September 10, 2018 by Tekla User Assistance tekla.documentation@trimble.com

Software version: 
2018i

U.S. Base plate (1047)

U.S. Base plate (1047)

U.S. Base plate (1047) creates a base platecomponent object that represents a plate welded to a column base

Base plates are used to distribute the concentrated load of the column over a wider area.

at the selected point on a column.

Objects created

  • Base plate(1) part that represents a flat structure

    (1) In some contexts, for example in analysis, the term plate object may be used to refer to plates.

    (2) plate that represents a steel structure

    (2) Plate is mainly used as a connection piece or as a floor plate.

  • Stiffeners (can only be added if the column has a W, I, or a TS profile)

  • Shimcomponent object that represents a plate that is used for filling clearances and gaps on the construction site

    plates (optional)

  • Leveling plate (optional)

  • Shear keycomponent object that represents a short steel part welded to the bottom of a base plate

    (optional)

  • Extra plates connecting the anchor rods

  • Anchor rods

  • Bolts

  • Welds

  • Additional component (optional)

Use for

Situation

Description

Column base plate with a grout hole.

Column base plate with a grout hole and a shear key.

Column base plate with a grout hole, a shear key and stiffeners.

Offset column base plate with a shear key and a grout hole.

Column base plate with holes and chamfer.

Before you start

Create a column.

Selection order

  1. Select the main part(1) part that exists in a building object and that determines the position number for the assembly or cast unit and the direction of assembly or cast unit drawings

    (1) Main part can be an assembly main part or a cast unit main part.

    (2) input part that the user selects first when creating a component

    (2) Connections and details always have a component main part.

    (column).

  2. Pick a position.

    The detail is created automatically.

Part identification key

 

Part

1

Base plate

2

Stiffeners 1, 2, 4, 5

3

Stiffeners 3, 6, 7, 8

Picture tab

Use the Picture tab to control stiffenercomponent object that represents a structure that strengthens a steel beam or column

Stiffeners are usually plates.

Stiffeners are used to prevent web buckling at supports or concentrated loads.

chamfering, base plate chamfers, and the location and size of the groutbuilding object that represents the filling of seams between parts, or holes or voids in a part with grout

Grouting can be used when connecting parts with anchor bolts or rods, or in seams between panels, for example.

Grout is flowing concrete that hardens after application.

holesmall hollow open throughout a part or assembly that is usually used for fastening parts with bolts or other such objects

Hole is created in the same way as bolts and hole properties are defined in the bolt properties.

in U.S. Base plate (1047).

Stiffener chamfering

  Description
1

Top chamfer width for stiffeners 1, 2, 4, 5.

2

Top chamfer height for stiffeners 1, 2, 4, 5.

3

Bottom chamfer height for stiffeners 1, 2, 4, 5

4

Bottom chamfer width for stiffeners 1, 2, 4, 5.

5

Top chamfer width for stiffeners 3, 6, 7, 8.

6

Top chamfer height for stiffeners 3, 6, 7, 8.

7

Bottom chamfer height for stiffeners 3, 6, 7, 8.

8

Bottom chamfer width for stiffeners 3, 6, 7, 8,

9

Weld gap.

10

Select the chamfer type.

Base plate chamfering

 

Description

1

Width of base plate chamfer 1.

2

Height of base plate chamfer 1.

3

Height of base plate chamfer 2.

4

Width of base plate chamfer 2.

5

Width of base plate chamfer 3.

6

Height of base plate chamfer 3.

7

Height of base plate chamfer 4.

8

Width of base plate chamfer 4.

9

Grout hole horizontal distance from the column center.

10

Grout hole vertical distance from the column center.

11

Diameter of the grout hole.

Parts tab

Use the Parts tab to control the dimensions of the base plate, stiffeners, leveling plate, and shim plates in U.S. Base plate (1047).

Plate

Option

Description

Default

Plate

Base plate thickness, width and height.

Thickness = 20 mm

Width depends on the largest cross-sectional dimension of the column.

Height depends on the largest cross-sectional dimension of the column.

Stiffeners 1,2,4,5

Stiffener 1, 2, 4, 5 thickness, width and height.

Thickness depends on the column flange thickness.

Width depends on the distance between the edge of the plate and the edge of the column.

Height = 1.75*width

Stiffeners 3,6,7,8

Stiffener 3, 6, 7, 8 thickness, width and height.

Thickness depends on the column flange thickness.

Width depends on the distance between the edge of the plate and the edge of the column.

Height = 1.75*width

Key profile

Shear key profile by selecting it from the profile catalog.

 

Leveling plate

Leveling plate thickness, width, and height.

 

Fitting plate

Shim plate thickness, width and height.

Define up to three different shim plates.

 

Number of fitting pl.

Number of shim plates for each thickness.

1

Leveling plate hole diameter

Leveling plate hole diameter.

 

Key profile welded to

Define to which plate the shear key is welded.

 

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.

 

Class

Part class number.

 

Bolt edge distances in shim plate

Define the bolt edge distances for shim plates. When these fields are empty, shim plates are of the same size as the base plate.

 

Description

Default

1

Horizontal bolt edge distance in the shim plate.

30 mm

2

Vertical bolt edge distance in the shim plate.

30 mm

Shim plate shape

Option

Description

Default

Holes are based on the bolt group of the detail.

AutoDefaults can change this option.

Holes are based on the bolt group of the detail.

Finger shim plate with horizontal slots.

The plate can be installed from the right or the left side of the detail.

Finger shim plate with vertical slots.

The plate can be installed from the top of the detail.

Tolerance

Define the tolerancepermissible amount by which the dimensions of a structure may vary from the work size specified

Tolerance is usually stated as a plus or minus dimension.

The term ’tolerance’ is used in its general sense in Tekla Structures.

In a model the term ’tolerance’ should not be used to refer to a gap.

for the slots in finger shimshim plate with slots cut through the edge

plates. The width of the slot is the bolt diameter + the tolerance.

Parameters tab

Use the Parameters tab to control the plate properties and option, shear key offset, rotation and length, bolt properties and rotation of the base plate in U.S. Base plate (1047).

Plate properties

Option

Description

Square cut corners (1-4)

Cuts made on the corners of the base plate.

If you enter a number corresponding to one of the corners of the base plate, the corner has a square cut instead of a diagonal chamfer. You can enter the numbers for one or all the corners.

Cut cast plate

Define whether base plate corner cuts are applied to the cast plate.

Select Yes to apply the cuts.

Bolt properties

Option

Description

Eliminate bolt numbers

Define which bolts are deleted from the bolt group.

Enter the bolt numbers of the bolts to be deleted and separate the numbers with a space. Bolt numbers run from left to right and from top to down. If there are more than 10 bolts, enclose the bolt numbers in quotes (for example, to delete bolt numbers 13 and 15, enter "13" "15" ).

Eliminate external bolts

Define whether external bolts are deleted.

Base plate with holes or bolts

Option

Description

Default

Holes are created.

AutoDefaults can change this option.

Holes are created.

Bolts are created.

Base plate offset

 

Description

1

Base plate horizontal offset from the column center.

Enter a negative value to move the base plate in the opposite direction

2

Base plate vertical offset from the column center.

Enter a negative value to move the base plate in the opposite direction

Shear key offset and rotation

 

Description

1

Shear key vertical offset.

Enter a negative value to move the shear key in the opposite direction.

2

Shear key rotation angle (in degrees).

Positive angle rotates the shear key in a counter-clockwise direction and negative angle in a clockwise direction.

3

Shear key horizontal offset.

Enter a negative value to move the shear key in the opposite direction.

Shear key length

 

Description

1

Shear key length to attach the shear key to the base plate.

To attach a shear key to the base plate, define the shear key length and the key profile on the Parts tab.

Bolt group rotation

You can define the bolt groupgroup of bolts that forms a connecting building object between an assembly main part and secondary parts

The number of bolts in a bolt group depends on the bolt group shape and the values of bolt distances.

rotation around its center. To rotate the bolt group, enter the rotation angle (in degrees).

Positive angle rotates the bolts in a counter-clockwise direction and negative angle in a clockwise direction.

 

Description

1

Bolt group rotation angle.

Using additional components

You can use additional system or custom components to modify the column end or the base plate. For example, you can create special backing plates, weld preparations, and weld access holes for the column end.

If you use additional system or custom components, you need to manage the column end or the base plate properties in the additional component in question. When using several components, there may be multiple welds and cuts.

Option

Description

Component

Define a system or a custom component by selecting it from the component catalog.

Attributes

Enter the name of the attribute file for the selected component.

Input

Define to which parts the selected component is applied.

  • Default is same as Base + Column.

  • Column sets the column as the main part. Use this option for details.

  • Column + Base sets the column as the main part and the base plate as the secondary part.

  • Base + Column sets the base plate as the main part and the column as the secondary part.

General tab

Click the link below to find out more:

General tab

Bolts tab

Use the Bolts tab to control the bolt properties in U.S. Base plate (1047).

Bolt group dimensions

 

Description

1

Select how to measure the dimensions for horizontal bolt group position.

  • Left : From the left edge of the secondary part to the leftmost bolt.

  • Middle : From the center line of the secondary part to the center line of the bolts.

  • Right : From the right edge of the secondary part to the rightmost bolt.

2

Dimension for horizontal bolt group position.

3

Bolt edge distance.

Edge distance is the distance from the center of a bolt to the edge of the part.

4

Number of bolts.

5

Bolt spacing.

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.

6

Select how to measure the dimensions for vertical bolt group position.

  • Top : From the upper edge of the secondary part to the uppermost bolt.

  • Middle : From the center line of the bolts to the center line of the secondary part.

  • Below : From the lower edge of the secondary part to the lowest bolt.

7

Dimension for vertical bolt group position.

Bolt basic properties

Option

Description

Default

Bolt size

Bolt diameter.

Available sizes are defined in the bolt assembly catalog.

Bolt standard

Bolt standard to be used inside the component.

Available standards are defined in the bolt assembly catalog.

Tolerance

Gap between the bolt and the hole.

 

Thread in mat

Defines whether the thread may be within the bolted parts when bolts are used with a shaft.

This has no effect when full-threaded bolts are used.

Yes

Site/Workshop

Location where the bolts should be attached.

Site

Slotted holes

You can define slotted, oversized, or tapped holes.

Option

Description

Default

1

Vertical dimension of slotted hole.

0 , which results in a round hole.

2

Horizontal dimension of slotted hole, or allowance for oversized holes.

0 , which results in a round hole.

Hole type

Slotted creates slotted holes.

Oversized creates oversized or tapped holes.

 

Rotate Slots

When the hole type is Slotted , this option rotates the slotted holes.

 

Slots in

Part(s) in which slotted holes are created. The options depend on the component in question.

 

Bolt assembly

The selected check boxes define which component objects (bolt, washers, and nuts) are used in the bolt assemblyset of bolt elements that consists of a bolt, a stud, or a screw, and possibly the related washers and nuts

.

If you want to create a hole only, clear all the check boxes.

To modify the bolt assembly in an existing component, select the Effect in modify check box and click Modify.

Bolt length increase

Define how much the bolt length is increased. Use this option when, for example, painting requires the bolt length to be increased.

Staggering of bolts

Option

Description

Default

Not staggered

AutoDefaults can change this option.

Not staggered

Staggered type 1

Staggered type 2

Staggered type 3

Staggered type 4

Stiffeners tab

Use the Stiffeners tab to control stiffener positions and offsets in U.S. Base plate (1047).

Stiffener positions (1-8)

Option

Description

Stiffener Positions (1-8)

Placement of the stiffeners.

Only the stiffeners whose numbers are entered in the field are attached to the column.

Stiffener offset

Stiffener offset allows the stiffeners to be moved. Enter a negative value to move the stiffener in the opposite direction.

 

Description

1

Stiffener 1 offset.

2

Stiffener 2 offset.

3

Stiffener 3 offset.

4

Stiffener 4 offset.

5

Stiffener 5 offset.

6

Stiffener 6 offset.

7

Stiffener 7 offset.

8

Stiffener 8 offset.

Anchor rods tab

Use the Anchor rods tab to control the creation of different types of anchor rods in U.S. Base plate (1047).

Anchor rod dimensions

Option

Description

Rod profile

Anchor rod profile.

Nut profile

Nut profile.

Washer profile

Washer thickness, width and height.

Plate washer

Plate washer thickness, width and height.

Cast plate

Cast plate thickness, width and height.

Anchor rod part properties

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.

 

Class

Part class number.

 

Base plate with

Use this option to switch between the bolts and the anchor rods.

By default, the base plate is created with Bolts.

Anchor rod dimensions

 

Description

Default

1

Size or the length of the nut.

anchor rod diameter

2

Size or the thickness of the washer.

half of nut size

3

Length of the anchor rod.

500 mm

4

Length of the anchor rod above the base plate.

50 mm

5

Distance between the cast plate and the base plate.

60 mm

6

Length of the upper thread.

0 mm

Anchor rod types

Option

Description

 

Default

Type 1

AutoDefaults can change this option.

 

Type 1

 

a

Radius of the hook

b

Width of the hook

a = 2*anchor bar diameter

b = 1/5 of anchor bar length

a

Radius of the hook

b

Width of the hook

c

Height of the hook

c = same as width of the hook

d

Length of the anchor rod below the extra plate

e

Length of the lower thread

d = 2*nut size

e = 4*nut size plus thickness of extra plate

Hook direction

Option

Description

Default

Type 1

AutoDefaults can change this option.

Type 1

Type 2

Type 3

Type 4

Bolting direction

Note:

You can define the bolting direction if you have created the base plate with bolts.

Option

Description

Default

Bolting direction 1

AutoDefaults can change this option.

Bolting direction 1

Bolting direction 2

Cast plate hole tolerance

Option

Description

Default

Cast plate holes tolerance

Tolerance of the cast plate holes.

same as bolt tolerance

Washer hole tolerance

Field

Description

Washer hole tolerance

Tolerance of the washer hole.

By default, a hole is not created in the washer.

Grout thickness

Groutingbuilding object that represents the filling of seams between parts, or holes or voids in a part with grout

Grouting can be used when connecting parts with anchor bolts or rods, or in seams between panels, for example.

Grout is flowing concrete that hardens after application.

helps you to model columns to the top of concrete parts and place the base plate correctly. It also makes it easier to dimension the detail in GA drawings.

By default, no grouting is created.

In the first field, enter the grout thickness.

In the second field, define whether the grouting is created above or below the detail creation point. This also affects the shim plates.

Create assembly from all anchors

Define whether anchors are included in an anchor rod assembly. You can also include leveling plates into the assembly.

Create

 

Description

1

Create the nut profile.

2

Create the washer profile.

3

Create the washer plate.

Anchor rod assembly

Define which parts of the anchor rod are included in the anchor rod assembly.

Extra plates tab

Use the Extra plates tab to control the placement, rotation, and type of the profiles (extra profile 1) created at the bottom of each anchor bar and the profiles (extra profile 2) that connect rows of anchor bars in U.S. Base plate (1047).

Part dimensions

Option

Description

Default

Extra profile 1

Define the first extra profile by selecting it from the profile catalog.

PL10*100

Extra profile 2

Define the second extra profile by selecting it from the profile catalog.

Part properties

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.

 

Class

Part class number.

 

Edge distance of extra profile 1

 

Description

Default

1

Edge distance of extra profile 1.

50 mm

Type and direction of extra profile 1

Option

Description

Default

Type 1

AutoDefaults can change this option.

Type 1

Type 2

Type 3

Edge distance of extra profile 2

 

Description

Default

1

Distance of extra profile 2 from the axis of the anchor bar.

Half of the nut size or anchor bar diameter

Extra profile 2 type

Option

Description

Default

Type 1

AutoDefaults can change this option.

Type 1

Type 2

Type 3

Type 4

Type 5

Type 6

Length of extra profile 2

 

Description

Default

1

Length of extra profile 2 from the axis of the anchor bar.

50 mm

Direction of extra profile2

Option

Description

Default

Type 1

AutoDefaults can change this option.

Type 1

Type 2

Extra profile 1 properties

Option

Description

Default

Hole tolerance

Hole tolerance of extra profile 1.

Same as bolt tolerance

Profile rotation

Profile rotation of extra profile 1.

Front

Extra profile 2 rotation

Option

Description

Default

Extra profile 2 rotation

Profile rotation of extra profile 2.

Front

Analysis tab

Click the link below to find out more:

Analysis tab

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