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Pro V8i for Structural Analysis CADCIM Technologies St. Andrews Drive Schererville Pro Introduction Structural Modeling Using STAAD Editor Creating . Pro V8i • Heavily Illustrated Text The text in this book is heavily illustrated. V8i is a comprehensive and integrated finite element analysis and design offering, including a state-of- the-art user interface, visualization tools, and . V8i (SELECTseries 4). Technical Reference Manual. DAA/ To view the End User License Agreement for this product, review: ii — will bring results close to textbook results.

Training for Individuals CADCIM Technologies with its cost effective and time saving initiative strives to deliver the training in the comfort of your home or work place, thereby relieving you from the hassles of traveling to training centers. The student resources are available at http: We also provide Live Virtual Online Training on various software packages. For more information, write us at sales cadcim. Table of Contents Dedication iii Preface xi Chapter 1: Pro V8i, developed by Bentley Systems, is a powerful software used for structural analysis and design.

It has various tools that help in modeling 2D and 3D models. These tools analyze and virtually design any type of structure. This enables the users to automate their tasks, and remove the tedious long procedures involved in the manual methods. Pro is an effective tool for structural engineers and construction professionals. Pro has an extremely flexible modeling environment that helps in creating accurate models quickly and accurately. It supports broad ranges of Steel, Concrete, Aluminium, and Timber design codes.

It is capable of analyzing any structure for static loads, dynamic response, soil-structure interaction, wind, earthquake, and moving loads. Foundation, and other software. Pro V8i is a comprehensive textbook that has been written to cater to the needs of the students and professionals. The chapters in this textbook are structured in a pedagogical sequence, which makes the learning process very simple and effective for both the novice as well as the advanced users of STAAD. In this textbook, the author explains in detail the procedure of creating 2D and 3D models, assigning material constants, assigning cross-section properties, assigning supports, defining different loads, performing analysis, viewing results, and preparing report.

The chapters in the book are punctuated with tips and notes, wherever necessary, to make the concepts clear, thereby enabling the user to create his own innovative projects. The Annotation dialog opens. If you wish to annotate deflection for just a few nodes, specify the node numbers in the node list.

From the Node tab, set the Resultant check box.

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Resultant stands for the square root of sum of squares of values of X, Y and Z displacements. Click the Annotate button and notice that the values appear on the structure and then click Close. The bending moment MZ will be plotted by default, evidence of which can be found in the form of the Mz icon shown in the diagram below which becomes active. Figure 1. Select the Ranges tab and select All members.

Click the Annotate button and notice that the values appear on the structure and click OK. The Diagrams Dialog opens to the Loads and Results tab. The resulting figure is shown below. For the sake of easy identification, each degree of freedom d.

One may change the color for that d. The appearance of the diagram may also be set to one of the 3 — Hatch, Fill or Outline by turning on the relevant option in the dialog shown earlier. Alternatively, one may select the DimensionBeams option from the Tools menu.

In the dialog that opens, the option Dimension to View is active. Click Display followed by the Close button, and the dimensions of the members will appear alongside the members. The diagram will look like the one shown below. This picture may be included in custom reports. See Chapter 2 for a tutorial on taking pictures as well as generating custom reports. For obtaining a quick print of the plot on the screen, select the Print Current View tool as shown below.

Pro Graphical Environment manual.

Using the command file. Both methods are explained in this tutorial also.

Download Design of R.C.C. Buildings using Staad Pro V8i with Indian Examples Pdf

The graphical method is explained first, from Section 2. Section 2. Our goal is to create the model, assign all required input, and perform the analysis and concrete design.

Rectangular, mm width X mm depth Column 3: Circular, mm diameter Member Orientation All members except column 4: Default Column 4: Rotated by 90 degrees with respect to default condition Material Constants Modulus of Elasticity: Fixed Loads Load case 1: Dead Load Selfweight of the structure. Wind Load Beam 1: Ultimate Strength of Steel: Pro window displaying the start screen Note: See "1. Select Space. Select Meter as the length unit and Kilo Newton as the force unit.

Pro main window is the primary screen from where the model generation process takes place. It is important to familiarize ourselves with the components of that window before we embark on creating the RC Frame.

Pro model We are now ready to start building the model geometry. From the standpoint of the STAAD command file, the commands to be generated for the structure shown in section 2. We selected the Add Beam option earlier to enable us to add beams and columns to create the structure. Select Linear,which is the Default Grid. By setting 12 as the number of lines to the right of the origin along X, 7 above the origin along Y, and a spacing of 0.

After entering the specifications, provide a name and click OK. This way, we can create any number of grids. When steps 1 to 4 are completed, the frame will be displayed in the drawing area as shown below. At this point, let us remove the grid display from the structure. It is very important that we save our work often, to avoid loss of data and protect our investment of time and effort against power interruptions, system problems, or other unforeseen events.

Switching on node and beam labels Node and beam labels are a way of identifying the entities we have drawn on the screen. In order to display the node and beam numbers. The following figure illustrates the node and beam numbers displayed on the structure. Examining the structure shown in section 2. Fortunately, such a facility does exist which can be executed in a single step. It is called Circular Repeat and is available under the Geometry menu.

First, select members 1 and 2 using the Beams Cursor tool. Either select the Circular Repeat tool from the appropriate toolbar Figure 2. After completing the circular repeat procedure, the model will look as shown below. Before Figure After Figure This will require changing the current length units of input. Select either the input Units tool Figure Select either the Property Page tool located on the Structure Tools toolbar. Click Define… The Property dialog opens. Select the Rectangle tab.

If we keep it that way, the material properties of concrete E, Poisson, Density, Alpha, etc. The material property values so assigned will be the program defaults. We do not want default values, instead we will assign our own values later on. Thus, clear the Material check box. Then, enter the following values: To create the third member property, in the Property dialog, select the Circle option.

Specify the diameter YD as mm.

Thus, clear the Material check box and click Add. Click Close. The next step is to assign these member properties in the following manner: Select the first property reference in the Properties dialog Rect 0.

Click on members 1 and 4. To stop the assignment process select Assign or press the ESC key. In a similar fashion, assign the remaining properties. After all the member properties have been assigned, the model will look as shown below. Orientation refers to the directions along which the width and depth of the cross section are aligned with respect to the global axis system. Pro Technical Reference Manual. We wish to orient member 4 so that its longer edges sides parallel to local Y axis are parallel to the global Z axis.

This requires applying a beta angle of 90 degrees. The command which needs to be generated is: Select the Beta Angle tab in the Properties dialog. Click Create Beta Angle. In the Beta Angle dialog, specify the Angle in degrees as Highlight the expression Beta 90 in the Properties dialog.

Then, select member 4 using the Beams Cursor tool. Notice that as we select the member, the Assignment Method automatically sets to Assign to Selected Beams. An alternative method to assign beta angles is the following. First select the member for which you wish to assign the beta angle. Figure 2. The desired values are listed at the beginning of this tutorial. In the Material Constant dialog that appears, enter 22 in the Enter Value box.

Since the value has to be assigned to all the members of the structure, the current setting of the assignment method, namely, To View, allows us to achieve this easily. Then, click OK. In the Set Current input Units dialog that comes up, specify the length units as Meter. In other words, fixed supports are to be specified at those nodes. Select the Support Page tool located in the Structure Tools toolbar as shown below. The Supports dialog opens.

Since we already know that nodes 1, 4 and 5 are to be associated with the Fixed support, using the Nodes Cursor tool , select these nodes. The Create Support dialog opens. Select the Fixed tab and click Assign. Click anywhere in the drawing area to un-select all selected nodes and prevent accidental assignment of unwanted data to those nodes. The instructions at the beginning of this tutorial require us to analyze this structure using an analysis type called PDelta.

A Pdelta analysis is a non-linear type of analysis. An error message is displayed if this is attempted. Before creating load cases, we have to change the force unit to Kilogram. See "2. The load values are listed in the beginning of this tutorial in kg and meter units. Rather than convert those values to the current input units, we will conform to those units. To create loads, select either the Load Page tool located on the Structure Tools tool bar.

To initiate the first load case, select the Load Case Details section in the list and click Add…. This type of association needs to be done if you intend to use the program's facility for automatically generating load combinations in accordance with those codes.

To generate and assign the selfweight load type, first select 1: You will notice that the Add New Load Items dialog box shows more options now. Specify the Direction as Y, and the Factor as The negative number signifies that the selfweight load acts opposite to the positive direction of the global axis Y — STAAD. Click Add button.

The selfweight load is applicable to every member of the structure, and cannot be applied on a selected list of members. Load 1 contains an additional load component, the member loads on members 2 and 5.

To create the member load, first, select 1: Dead Load followed by the Add… button. The negative value signifies that the load acts along the negative GY direction. The member load we just created has to be assigned to members 2 and 5. Next, select members 2 and 5 using the Beams Cursor tool.

Then, select Assign to Selected Beams and then Assign. As we click on the Assign button, the following dialog box appears. This message box appears just to confirm that we indeed wish to associate the loadcase with the selected beams.

Click Yes. After the load has been assigned, the structure will look as shown below: Select Load Case Details and then click Add….

Once again, the Add New Load Cases dialog opens. In this dialog box, once again, we are not associating the load case we are about to create with any code based Loading Type and so, we will leave that box as None. Specify the Title of the second load case as Live Load and click Add. To create the member load, select 2: Live Load. After the second load case has been assigned, the structure will look as shown below: As before, first select Load Case Details in the Load dialog box to initiate the third load case.

To apply the load on member 1, follow the procedure similar to that in steps 6 to 9. After the third load case has been assigned, the structure will look as shown below: We now come to the point where we have to create load case 4 as 1.

Then, click on 4: This indicates that the load data values from load case 1 are multiplied by a factor of 1. The Add New Load Items dialog box will now look as shown below. Click on the Add button. No further operation is required for load case 4. The structure will now look similar to the one shown below. Since load cases 4 and 5 are near identical in nature, the same procedure used in creating load case 4 is applicable for case 5 also. Let us select Load Case Details in the Load dialog box to initiate the fifth load case.

Follow steps 16 to 19 except for associating a Factor of 1. Since we have completed creating all the load cases, we may now click Close. Since this problem involves concrete beam and column design per the ACI code, second-order analysis is required and has to be done on factored loads acting simultaneously. The factored loads have been created earlier as cases 4 and 5.

Now is the time to specify the analysis type. Select the PDelta Analysis tab.

Load cases 4 and 5 will be selected and placed in the Load List selection box. Click OK. Such terms are called concrete design parameters. The parameters we wish to use and the corresponding command which ought to appear in the STAAD input file are: Set the force units as Newton and the length units as Millimeter. Click Define Parameters in the Concrete Design dialog. The Design Parameters dialog opens. Then, provide the value as 25mm and click Add. Repeat step 4 to define the remaining parameters to the following values: After all the design parameters have been assigned, the Concrete Design dialog will look as shown below.

The easiest way to do that is to use the Assign To View method: Select the Assign to View option. We intend to design beams 2 and 5 and columns 1, 3 and 4. Design commands are generated through the dialogs available under the Commands button in the Concrete Design dialog. So, let us click Commands as shown below. We also need to add a command for designing columns. So, select the Design Column option and click on Add 4.

The next step is to associate the Design Beam command with members 2 and 5 and the Design Column command with members 1, 3 and 4. Select the Design Beam option and then select members 2 and 5 using the Beams Cursor tool. Click on Assign to Selected Beams and then Assign. As we click Assign, the following dialog appears. This message box appears just to confirm that we indeed wish to associate the design command with the selected beams.

C Yes. Repeat steps 1 and 2 to assign the Design Column command to members 1, 3 and 4 Hint: Modifications to the data can be made in this window and saved. As we saw in Section 2. If you want to skip that part, proceed to section 2. To access the built-in editor, first start the program using the procedure explained in Section 2. Next, follow step 1 of Section 2. You will then encounter the dialog shown below.

Semicolon signs ; are used as line separators. That enables us to provide multiple sets of data on one line. When YD alone is specified, the section is considered to be circular. Details are available in Section 5 of the Technical Reference Manual. In order to orient member 4 so that its longer edges sides parallel to local Y axis are parallel to the global Z axis, we need to apply a beta angle of 90 degrees.

Load case 1 is initiated along with an accompanying title. Since global Y is vertically upward, the factor of GY indicates that the load is in the global Y direction. The word UNI stands for uniformly distributed load.

Loads are applied on members 2 and 5. GX indicates that the load is in the global X direction. Loads are applied on members 1 and 4. We are instructing the program to analyze the structure for loads from cases 1 and 2 acting simultaneously. The load data values from load case 1 are multiplied by a factor of 1. Similarly, the load data values from load case 2 are multiplied by a factor of 1.

The intent here is to restrict concrete design calculations to that for load cases 4 and 5 only. The values for the concrete design parameters are defined in the above commands. Design is performed per the ACI Code. The TRACK value dictates the extent of design related information which should be produced by the program in the output. These parameters are described in Section 3 of the Technical Reference Manual.

Let us save the file and exit the editor. As the analysis progresses, several messages appear on the screen as shown in the next figure. These options are indicative of what will happen after we click on the Done button. The Stay in Modelling Mode lets us continue to be in the Model generation mode of the program the one we current are in in case we wish to make further changes to our model. You may choose not to print the echo of the input commands in the output file. MM FY - FC - X TO 3NO12 H MM PN DES.

To return to this particular diagram, either select the Node Displacement page along the page control area on the left side.

To change the load case for which to view the deflection diagram, either select the desired load in the Active Load list Figure Select the Loads and Results tab and choose the desired load case from the Load Case list box. The following figure shows the deflected shape of the structure for load case 3.

The deflection of Load Case 5 will now be displayed on the model as shown in the following figure. If the diagram appears too imperceptible, it may be because it may be drawn to too small a scale.

To change the scale of the deflection plot, you may 1. Select the Scale tool Figure The Diagrams dialog opens to the Scales tab. The deflection diagram should now be larger. In the Diagrams dialog Scales tab, if you set Apply Immediately check box, pressing the up or down buttons associated with the parameter will produce immediate results in terms of a smaller or a larger diagram. The following dialog opens. From the Ranges tab, select Allnodes.

Select the Node tab and set the Resultant option. Click Annotate and then click Close. The structure deflection diagram is annotated for load case 2, as in the following figure.

a project report on analysis and design of multi storey

The Options dialog opens. The diagram will be updated to reflect the new units. The upper table, called the Node Displacements table, lists the displacement values for every node for every selected load case.

See section 2. All and Summary see figure below. Summary This tab, shown in the figure below, presents the maximum and minimum nodal dis- placements translational and rotational for each degree of freedom. All nodes and all Load Cases specified during the Results Setup are considered. For the Beam Relative Displacement table, the details are as follows: All spec- ified members and all specified load cases are included.

The table shows displacements along the local axes of the members, as well as their resultants. Max Displacements The Max Displacements tab presents the summary of maximum sectional displacements see figure below. This table includes the maximum displacement values and location of its occurrence along the member, for all specified members and all specified load cases.

The table also provides the ratio of the span length of the member to the resultant maximum section displacement of the member.

The sub-pages under the Node page are described below in brief.

Reactions Displays support reactions on the drawing as well as in a tabular form. Modes Displays mode shapes for the selected Mode shape number. The eigenvectors are simultaneously displayed in tabular form. This Page appears only for dynamic analyses cases, namely, response spectrum, time history, and if modal calculations are requested.

Time History Displays Time history plots, for time history analysis. This sub- page too will appear only if time history analysis is performed. The Diagrams dialog opens. The figure below shows the shear force diagram for load case 2. The following diagram should appear in the drawing area: If the diagram appears too imperceptible, it may be because it is drawn to too small a scale.

To change the scale of the moment plot, you may 1. In the Bending field, specify a smaller number than what is currently listed, and click OK. The moment diagram should now be larger. In the above dialog, if you set the Apply Immediately check box, pressing the up or down arrow keys alongside the number will produce immediate results in terms of a smaller or a larger diagram.

You may change the color for that d. Hatch, Fill, or Outline by turning on the relevant option in the dialog shown earlier. Select the Beam Results tab, check the Maximum option for Bending results. Click Annotate and the click Close. The maximum moment, MZ, values for load case 5 are displayed on the structure bending diagram, as show in the following figure. Select the Force Units tab. For bending moments, change the Moment unit from its current setting to kip-ft. All, Summary and Envelope.

Summary This tab, shown in the next figure, presents the maximum and minimum values forces and moments for each degree of freedom.

All beams and all Load Cases specified during the Results Setup are considered. Select a member in the main window and the graphs are plotted for that member in the data area. The following figure shows the graphs plotted for member 1 for load case 4.

The Diagram dialog opens. Set the check box for the degrees of freedom you wish to view in the diagram. The selected degree of freedom are plotted in that window.

LESSON: STD- 01 Problem Description: A simple frame model

After the load cases have been selected, click OK. It is also a place from where many of the member attributes such as the property definition, specifications releases, truss, cable, etc. To access this facility, first select the member. Let us try double-clicking on member 4. Let us take a look at the Property tab.

The figure above shows where the buttons are located on the member query box. This is due to the fact that the current output no longer reflects the new input. Else, changing the member attributes for one member will subsequently change the attributes of all other members belonging to the same attribute list.

For example, if the current member's property is also assigned to other members, changing the property on the current member will change the property of all the members. The following dialog appears. The above page contains facilities for viewing values for shears and moments, selecting the load cases for which those results are presented, a slider bar see next figure for looking at the values at specific points along the member length, and a Print option for printing the items on display.

Experiment with these options to see what sort of results you can get. Grab the slider bar using the mouse and move it to obtain the values at specific locations. Another page Deflection of the above dialog is shown below.

The facility which enables us to obtain such customized on-screen results is the Report menu on top of the screen. Here, you will create a report that includes a table with the member major axis moment MZ values sorted in the order High to Low, for members 1 and 4 for all the load cases. The Beam End Forces dialog opens. Select the Sorting tab. If you wish to save this report for future use, select the Report tab, provide a title for the report, and set the Save ID check box.

Select the Loading tab and ensure all the five load cases have been selected. To print this table, right click anywhere in this table area and select Print from the pop-up menu. The simplest of these is in the edit menu and is called Copy Picture. It transfers the contents of the active drawing window to the windows clipboard. We can then go into any picture processing program like Microsoft Paint or Microsoft Word and paste the picture in that program for further processing.

Another more versatile option enables us to include any "snapshot" or picture of the drawing window into a report. It is called Take Picture and is under the Edit menu.

Let us examine this feature. Provide a caption for the picture so that it may be identified when building a report. This picture is saved till we are ready to produce a customized report of results. Pro offers extensive report generation facilities.

Items which can be incorporated into such reports include input information, numerical results, steel design results, etc.

One can choose from among a select set of load cases, mode shapes, structural elements, etc.. We may include any "snapshot" or picture of the screen taken using the Take Picture toolbar icon. Other customizable parameters include the font size, title block, headers, footers, etc. Different tabs of this dialog offer different options. The Items tab lists all available data which may be included in the report. Note that the items under the Selected list are the ones which have been selected by default.

Available items are classified into seven categories: Job Information is already selected by default. From the Available list box, select Output. Then select Pictures from the Available list box and select Picture 1.

When all the items have been selected, the Report Setup dialog should appear as shown below. Report Detail Increments indicates the number of segments into which a member would be divided for printing sectional displacements, forces, etc. Select the Load Cases tab to select the Load Cases to be included in the report.

In the first case, all Load Case results will appear under a particular Node or Beam. In the second case, results for all Nodes or Beams for a particular Load Case will appear together. Select the Picture Album tab to visually identify the pictures taken earlier.

Click on the blank area and type the name and address of the company. Click on the Right radio button in the Alignment group under Text to right-align the company name. It is always a good idea to first preview the report before printing it.

This is done by selecting the Print Preview tool. The first and the last pages of the report are shown in the next two figures. Both methods of creating the model are explained in this tutorial.

Also, the Review Questions are given at the end of chapters and they can be used by Instructors as test questions. Symbols Used in the Textbook Note The author has provided additional information related to various topics in the form of notes.

Tip The author has provided a lot of information to the users about the topic being discussed in the form of tips. Unit System Followed in the Textbook In this book, the Metric system has been used as the default unit system. Formatting Conventions Used in the Textbook Please refer to the following list for the formatting conventions used in this textbook. Figure 1 The tools available in a toolbar Button The item in a dialog box that has a 3d shape is termed as Button.

For example, OK button, Cancel button, Apply button, and so on. Preface xiii Dialog Box In this textbook, different terms are used to indicate various components of a dialog box, refer to Figure 2. Figure 2 Different components of a dialog box Menu A menu is the one in which a set of common tools and options are grouped together. These menus are given a name based on the tools grouped in them.

For example, Mode menu, Geometry menu, and so on, refer to Figure 3. Pro V8i Options Options are the items that are available in shortcut menus, dialog boxes, drop-down lists, and so on.

For example, choose the Orientation option from the shortcut menu displayed on right-clicking in the Main Window, refer to Figure 4.Pinned Loads Load case 1: The following message dialog opens. For example, one could have put the optional title above on a separate line as follows. The values for the concrete design parameters are defined in the above commands. TO 3NO12 H Temperature Loads are created from the input screens available under the Temperature option in the Add New Load Items dialog.

Pro is an effective tool for structural engineers and construction professionals.