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Quick Start
User Interface
First Connection
When Get Error Message
Collapse How to UseHow to Use
User Input & ToolTip
User Input-Update Button
User Input-Suggest Values
Global Settings
Design Code & Unit
Input Loads Sign Convention
Calculation Report
Save/Open File
Print Calculation
Collapse Connection LibraryConnection Library
Moment Connection
Shear Connection
Brace Connection
Splice Connection
Base Plate and Anchor Bolt Connection
Collapse Sample CalculationSample Calculation
Collapse Moment ConnectionMoment Connection
MC-4 Bolt Extend End Plate
MC at Column Top - Column Siffener Plate
MC at Both Sides of Column - Column Siffener and Doubler Plate
MC-2 Bolts Top Flush End Plate
MC-12 Bolts Extend End Plate MRE 1/3-4W/2W
MC-Flange Plate to Column Flange
MC-Flange Plate to Column Web
Collapse Moment Connection-SeismicMoment Connection-Seismic
OMF MC-4 Bolt 4E Extend End Plate
OMF MC-8 Bolt 8ES Extend End Plate
SMF BFP Bolted Flange Plate
Collapse Shear ConnectionShear Connection
End Plate-Beam to Column Flange
End Plate-Beam to Column Web
End Plate-Beam to Girder
End Plate-Beam to Girder with Stiffened Coped Beam
Clip Angle-Beam to Column Flange
Clip Angle-Beam to Column Web
Clip Angle-Beam to Girder
Clip Angle-Beam to Girder with Stiffened Coped Beam
Shear Tab-Beam to Column Flange
Shear Tab-Beam to Column Web
Shear Tab-Beam to Girder
Shear Tab-Beam to Girder with Stiffened Coped Beam
Collapse Vertical Brace ConnectionVertical Brace Connection
W Shape Brace to Column Web
W Shape Brace to Column Flange
Collapse Vertical Brace - SeismicVertical Brace - Seismic
SCBF HSS Ver Brace
SCBF HSS Chevron Brace-Top
SCBF HSS Chevron Brace-Bottom
Collapse Horizontal Brace ConnectionHorizontal Brace Connection
Horizontal Brace-End Plate
Horizontal Brace-Wrap Around Gusset Plate-Clip Angle
Horizontal Brace-Wrap Around Gusset Plate-Shear Tab
Collapse Chevron Brace ConnectionChevron Brace Connection
Chevron Brace
Collapse Knee Brace ConnectionKnee Brace Connection
Knee Brace
Collapse Base Plate Ver Brace ConnectionBase Plate Ver Brace Connection
Base Plate Ver Brace-Column Flange
Base Plate Ver Brace-Column Web
Collapse Splice ConnectionSplice Connection
Splice-Exterior Flange Plate
Splice-Exterior/Interior Flange Plate
Splice-Top & Bottom Extended End Plate
Splice-Top Flushed & Bottom Extended End Plate

Quick Start

Important Note:  

This program only works on Google  Chrome     web browser.


If you are not using Google  Chrome browser, please change to Google Chrome web browser and restart this program again.


User can click on this link Start Program  to start the program at any time.  Series of tutorial video  are available in YouTube.
Civilbay steel connection is a online web based program. Users key in inputs online and get result online. Although everything is online, users are able to Save/Load input file
to/from user's local computer and print the calculation report to user's local printer.
Civilbay steel conection design is very easy to use program. It has only one user interface for all connections as shown below.

User Interface


Below is the only interface with different areas



Area-1 : sketch area,    sketch is shown in this area. Users can change different views of same connection by clicking on radio button in Area-5
Area-2 : status area,    showing license status and calculation result in this area
Area-3 : input area,      users key in inputs in this area, by clicking on different tabs in Area-4, the input fields will change to serve different part of inputs for the connection
Area-4 : input tabs,      clicking on different tabs in this area it will change the input contents shown in Area-3
Area-5 : sketch view tabs,    clicking on different tabs in this area it will change the sketch view shown in Area-1  

First Connection

The first step is go to General tab and then Select design for connection type as shown below to select connection type
All initial connection type selection and configurations are defined under General tab.
After finishing General tab, users can continue with the next Section tab to define beam/column section size.
After finishing Section tab, the following tabs will be different components of the connection, clicking on these tabs it will change the input panels in Area-3
for users to key in inputs serving different components.
The second last tab Design Load is for load input, clicking on this tab the load input panel will be shown in Area-3 for user input.
The last tab Design Calc is for displaying calculation report, clicking on this tab the calculation report panel will be diaplyed.

When You Get Error Message

The program may have bugs which will casue error. When you get the error message similar to the one shown below, don't be panic. Follow these steps to report the bug to me.
1. First, take a screenshot of the error message similar to the one below, and email the screen shot to me.
2. Second, check this page  How to Reset Program  on how to reset the program. After reset, click on this link Start Program  to start the program again.
3. After restart the program, repeat previous steps to reach the step just before you getting error message, save your input file and email it to me.
Tell me for this file on which input you click causes the error. I will fix the bug if I can repeat your error message here.
Below is a sample error message screenshot. Your error message may not be the same but shall be similar.

Sample Error Message