W14x211 NON-PRISMATIC SIDEPLATE BEAMS. email your STAAD PRO model to [email protected] . One...

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Pg 1 of 6Structural Design Optimization

CONNECTION STIFFNESS IMPLEMENTATION PROCEDUREFOR STAAD PRO USERS

Modeling of Global Frame Using SidePlate® Connection Technology:

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USING NON-PRISMATIC BEAM SECTIONS is the most accurate way of implementing SidePlate® connection

properties in STAAD PRO.

Figure 1 - SidePlate® Bolted connection elevation Figure 2 - SidePlate® Bolted connection section

Db

Column

Beam

C ColL

100% RIGIDPanel Zone

Side plate {A}

Stiffened Region

Column/BeamSeparation

ELEVATION

Dim A

Dim

B

��

��

��

��

��

�

The inherent SidePlate® connection stiffness can be implemented within STAAD PRO by replacing the beam

and column stiffness with the SidePlate® stiffness. The SidePlate® connection provides a 100% rigid panel

zone at the column and increases the beam section properties for a distance of approximately the beam

depth (Db) beyond the face of the column. Refer to the SidePlate® Tech Tips document for a description of

the different SidePlate® connection types and general design guidelines.

The stiffened SidePlate® section extends from column face to Dim A (shown in Figure 1). This stiffened

SidePlate® section, which consists of the physical side plates {A}, cover plates {B} and beam, has an

approximate moment of inertia (3) times that of the beam alone for SMF, IMF and OMF applications and (1)

times the moment of inertia of the beam for R=3 applications.

09/29/17



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STEP 1: Create General Material Properties of RIGID LINK.

Under the General > Material tab, create an Isotropic Material "RIGID"

STEP 2: Create General Section of RIGID LINK in the User Provided Table.

Under the "Tools" drop down list, click on "Create User Table". Create a New Table with General

Section Type, assign the section name as RIGID and the parameters shown in the picture shown

below.

Figure 3 - STAAD PRO Isotropic Material

Figure 4 - General Section

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STEP 3: DETERMINE THE LENGTH OF RIGID LINK

• RIGID LINK length at beam end is determined by half of column depth

• RIGID LINK length at column end is determined by beam depth + 3"

RIGID LINK LENGTH = 7"FOR A W14X211 IN THIS EXAMPLE

RIGID LINK LENGTH = 36"FOR A W33X130 IN THIS EXAMPLE

W33x130

W33x130 NPSP

W14

x211

STEP 4: SPLIT BEAM AND COLUMN MEMBERS

• Select the lateral beam or column member, right click and choose "Insert Node".

• Input the RIGID LINK and Dimension A length in ft, select "Add New Point" and click on "OK".

• Under the General > Property tab, highlight the RIGID section, select all the

RIGID LINKS in the model, choose the Assignment Method "Assign To Selected

Beams", and click on "Assign". Repeat the same procedure for assigning

NON-PRISMATIC SIDEPLATE BEAMS.

STEP 5: ASSIGN RIGID LINK AND NON-PRISMATIC SIDEPLATE SECTION PROPERTY

• Keep all the RIGID LINKS and NON-PRISMATIC

SIDEPLATE BEAMS Fixed and no Release.

• To obtain the approximate connection plate weight for a specific project,

simply email your STAAD PRO model to [email protected]. One of

our engineers will review the model for validation and reply with the

connection plate weight.

STEP 6: CONNECTION WEIGHT

• See Appendix for examples.

Figure 5 - Rigid Link Length

Note: To obtain the SidePlate Non-Prismatic Section

Design Properties and SidePlate Dimensions, please

contact [email protected] for more information.

Figure 7 - Assign Properties

Figure 6 - Rigid Link



Appendix

Examples of Modeling SidePlate® Non-Prismatic Beam in STAAD PRO:

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Create and assign Non-Prismatic SidePlate Beam Properties: “Tools” on the top menu bar, click on “Create

User Table...”, when “Create User Provided Table” window pop-up, click on “New Table”, choose WIDE

FLANGE in the "Select Section Type" window, then click on "Add New Property".

In the “Wide Flange” window, input NPSP property values, and click “OK”.

Below is the W33X130NPSP example shown:



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Assign NPSP beam properties to STAAD Pro model: Click on "User Table..." button in the "Properties"

window, add the NPSP property to the "Properties - Whole Structure" table.

Select the NPSP member(s), then click on "Assign" button to change the member properties.

W14x211 NON-PRISMATIC SIDEPLATE BEAMS. email your STAAD PRO model to [email protected] . One...

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