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Gp E Getting Started Din
1.
TRAINING GETTING STARTED
– GP – DIN RM Bridge V8i October 2008 RM Bridge Professional Engineering Software for Bridges of all Types
2.
RM Bridge Training Getting
Started – GP – DIN I Contents 1 General ......................................................................................................................... 1-1 1.1 The Example (Tutorial) ....................................................................................... 1-2 1.2 The Structural System.......................................................................................... 1-2 1.2.1 Support Constraints ......................................................................................... 1-3 1.2.2 Cross-Section ................................................................................................... 1-3 2 Program Start ............................................................................................................... 2-1 3 Creating a New Project Directory................................................................................ 3-1 4 Construction of Axis .................................................................................................... 4-1 4.1 Create an Axis...................................................................................................... 4-1 4.2 Constructing an Axis in Plan ............................................................................... 4-2 4.3 Constructing an Axis in Elevation ....................................................................... 4-5 4.4 Modify ................................................................................................................. 4-7 5 Construction of Cross-Section ..................................................................................... 5-1 5.1 Definitions ........................................................................................................... 5-4 5.1.1 Construction Lines ........................................................................................... 5-4 5.1.2 Reference Points .............................................................................................. 5-4 5.1.3 Cross-Section ................................................................................................... 5-4 5.1.4 Parts ................................................................................................................. 5-4 5.1.5 Reference Sets ................................................................................................. 5-4 5.1.6 Layer Management .......................................................................................... 5-4 5.2 Definition of Construction Lines ......................................................................... 5-5 5.3 Cross-Section Elements ....................................................................................... 5-8 5.4 Definition of Reference-Sets ............................................................................. 5-10 5.4.1 Connection Points .......................................................................................... 5-10 5.4.2 Stress Points ................................................................................................... 5-12 5.4.3 Reinforcement Groups ................................................................................... 5-15 6 Segment Definition ...................................................................................................... 6-1 6.1 Definition of the Structural System ..................................................................... 6-2 6.2 Definition of Segment Points .............................................................................. 6-2 6.3 Cross-Section Assignment ................................................................................... 6-3 6.4 Assignment of Element Numbers ........................................................................ 6-4 7 Definition of Supports ................................................................................................. 7-1 © Bentley Systems Austria
3.
RM Bridge Training Getting
Started – GP – DIN II 7.1 Geometrical position of bearing: ......................................................................... 7-1 7.2 Definition of Support ........................................................................................... 7-2 8 3D - View .................................................................................................................... 8-1 9 Export to RM ............................................................................................................... 9-1 9.1 Export to RM ....................................................................................................... 9-1 9.2 Closing the GP Session. ...................................................................................... 9-2 © Bentley Systems Austria
4.
RM Bridge
General Training Getting Started – GP – DIN 1-1 1 General The following small example will show all necessary GP and RM definitions for a small bridge structure. All input steps are described in detail and we invite you to follow the pro- cedure as follows to get a feeling for the program use. Definition: 1. Axes Geometrical definition of the road/rail axes. 2. Cross-section Geometrical definition of the cross-section 3. Segment Several logical units of the structure are represented as “segments”. In this example the main girder for instance is one segment, a pier would be another segment on its own. 4. Structural System (Export to RM) The structural system with all necessary information (bearings, stress flow, …) is prepared for the subsequent run of the structural analysis in RM. The 3-dimensional bridge axis is defined in plan and elevation. The change along the axis is called Station. The Segments are subdivided using Segment points. The cross-sections are assigned to the Segments via the Segment points. The spacing between the Segment points will be Elements, the Segment points will be Nodes in the structural system for RM. The structural system is therefore defined by the axis, the cross-section and the segment. © Bentley Systems Austria
5.
RM Bridge
General Training Getting Started – GP – DIN 1-2 1.1 The Example (Tutorial) A two span T-beam structure (see Fig. 1) will be analysed in the following: Fig. 1: T-Beam with 2*30m span wise 1.2 The Structural System A1 A2 A3 30m 30m 10x3m 10x3m Fig. 2: Structural System Axis in plan: Part 1: straight line: Station: 0-60 m Axis in elevation: Part 1.: straight line: Station: 0-60 m The numbering: Node numbers (span wise): 101-111-121 Element numbers (span wise): 101-110,111-120 Support (spring) elements: 1100, 1200, 1300 © Bentley Systems Austria
6.
RM Bridge
General Training Getting Started – GP – DIN 1-3 1.2.1 Support Constraints A1 A2 A3 1100 1200 1300 101-110 111-120 Z X Fig. 3: Defined Support Constraints 1.2.2 Cross-Section 8.00 m 0.25 m 0.10 m 2.00 m 1.65 m 0.10 m 3.50 m 3.40 m 1.00 m Fig. 4: T-Beam Cross-section © Bentley Systems Austria
7.
RM Bridge
Program Start Training Getting Started – GP – DIN 2-1 2 Program Start After installation of the software two icons will be available on the desktop: GP can be started by double clicking the icon or under the Windows-„Start“–Menu (usually in the lower left corner of the screen). © Bentley Systems Austria
8.
RM Bridge
Creating a New Project Directory Training Getting Started – GP – DIN 3-1 3 Creating a New Project Directory After starting the program the first level of GP appears (Main input window). Several ac- tions are available here: Start the program by double clicking the GP icon. First Level © Bentley Systems Austria
9.
RM Bridge
Creating a New Project Directory Training Getting Started – GP – DIN 3-2 Create a new project directory A new (empty) work space (directory) is usually created at the beginning. All data will be stored in this direc- tory. The current directory is displayed in the upper left corner. Select this icon to pop up the path selection of the Windows-Explorer. Select the wanted directory. This example is done under C:WORKTraining. Create a new directory (Training). Choose the directory using <Öffnen> Define directory (<open> for English windows versions). Open © Bentley Systems Austria
10.
RM Bridge
Creating a New Project Directory Training Getting Started – GP – DIN 3-3 Use <OK> to start the GP application in the selected directory. Start application Confirm © Bentley Systems Austria
11.
RM Bridge
Construction of Axis Training Getting Started – GP – DIN 4-1 4 Construction of Axis Axis elements are used to define the axis in plan. For this example the axis is straight. 4.1 Create an Axis Select the button for “display existing axis“ to open the pop-up window for the axis defi- nition. You can either define your new axis by ticking Straight in the pop-up Window which will create an axis with the appropriate length or you untick Straight and RM will create a new axis but not geometrically information are set at the beginning. Both ways are shown below: First Method: The default proposal Define an Axis for axis name (axis1), initial station and in- creasing station- numbering is chosen for this example the Length is set to 60m. <OK>. Confirm The created axis is displayed in the listing of existing axes. Several axis can be defined in one directory. Changing between the axes (activating a new axis) can be done by select- ing (clicking) the wanted axis and hitting <OK>. The currently active axis is shown in the Active information-bar at the left lower corner ( „Axis1‟ in this exam- ple). Select this button to activate the input window for “ground- Your new created axis plan”. is shown here with a length of 60 m. © Bentley Systems Austria
12.
RM Bridge
Construction of Axis Training Getting Started – GP – DIN 4-2 Second Method: The default proposal Define an Axis for axis name (axis1), initial station and in- creasing station- numbering is chosen for the example. <OK>. Confirm The created axis is displayed in the listing of existing axes. Several axis can be defined in one directory. Changing between the axes (activating a new axis) can be done by select- ing (clicking) the wanted axis and hitting <OK>. The currently active axis is shown in the Active information-bar at the left lower corner ( „Axis1‟ in this exam- ple). The second method only creates the axis without any geometri- cally information. To define the starting- and end point of your axis you need to go to the “gound plan” and define there your coordinates. (see chapter 4.2) 4.2 Constructing an Axis in Plan Axis in plan: straight line: Station: 0-60 m Select this button to activate the pop-up window for “ground plan”. Select P0 from the up- per menu in order to define the starting point of the axis in the “ground plan”. Select the coordinates for the starting points (X = “east, Y = “north”). . © Bentley Systems Austria
13.
RM Bridge
Construction of Axis Training Getting Started – GP – DIN 4-3 Confirm The default set is ok for this example, point P0 has the coordinates (0.0/0.0). The new axis points in the X-Direction, no angle needs to be defined. After input confirmation the point with the specified direction will be visible on the screen. Please use the Zoom – functions at the left vertical tool bar (or use „Free hand symbols‟, see next page) to change the view. Select Append straight line to axis from the upper menu. The length of the straight line is 60.0 m. Confirm The axis is now defined in the “ground plan” and is displayed on the screen. Top level of GP with axis in plan © Bentley Systems Austria
14.
RM Bridge
Construction of Axis Training Getting Started – GP – DIN 4-4 Alternatively to the zooming facilities, the so called “free hand symbols” can be used. Such a “free hand symbol” is executed with the left mouse button and simultaneously pressing [Ctrl]-key on the keyboard. The “free hand symbol“ 'V' creates a full view of the cur- rently available items. The other ”free hand symbols“ can be viewed by clicking the explanation button on top of the screen. © Bentley Systems Austria
15.
RM Bridge
Construction of Axis Training Getting Started – GP – DIN 4-5 4.3 Constructing an Axis in Elevation Axis in Elevation: planar line: Station: 0-60 m Select the button show elevation window to specify the elevation. Select “P0” from the upper menu to define the starting point of the axis. Select the coordinates of the starting point and the slope of the axis. The default setting for the Stationing „0.0‟ is chosen. No need to define a level (height) of the axis, the default setting „0.0‟ can be confirmed. Confirm Select the button ap- pend straight line by station and set Station Difference to 60 m.. Confirm The axis is now defined in 3D. Any position along the axis is now geometrically known. Please use the zooming function as explained above to get a better view. © Bentley Systems Austria
16.
RM Bridge
Construction of Axis Training Getting Started – GP – DIN 4-6 Elevation of Axis © Bentley Systems Austria
17.
RM Bridge
Construction of Axis Training Getting Started – GP – DIN 4-7 4.4 Modify The Delet last axis element button allows to delete the input definition in the opposite order of their definition. Modifications to the axis definition in plan and elevation can be done as follows: Select main menu func- tion Lists and choose either the ground plan or Modifications elevation. The upcoming listing allows to change data in any line (radius, slope, lengths, ..). Confirm with <OK>. and <Close> the win- dow. The “Modify” button allows to modify any input data in tables and listings. The “Delete“ button allows to eliminate any input data in tables and listings. © Bentley Systems Austria
18.
RM Bridge
Construction of Cross-Section Training Getting Started – GP – DIN 5-1 5 Construction of Cross-Section 8.00 m 0.25 m 0.10 m 2.00 m 1.65 m 0.10 m 3.50 m 3.40 m 1.00 m Fig. 5: Cross Section The listing of existing cross-sections will be displayed when clicking on the button as shown at the left. The basic definitions Define Cross-Section for the cross-section name can be used, con- firm with <OK>. Confirm © Bentley Systems Austria
19.
RM Bridge
Construction of Cross-Section Training Getting Started – GP – DIN 5-2 The new cross-section is listed in the menu-tree on your left. Several cross-sections can be defined in one project, only one is needed for this example. Changing between the cross- sections is done by double- clicking on the desired cross section. The active CS is always dis- Aktive CS played at the lower window on the information-bar. All further CS will refer to this currently active CS (in this case „cross1‟). © Bentley Systems Austria
20.
RM Bridge
Construction of Cross-Section Training Getting Started – GP – DIN 5-3 Select the “Cross-section window“ to open the graphic input screen for the cross-section geometry. Delete unused construction lines Parallel translation (click right for other construction line types) Linear 4-point element (click right for other element functions) Length dimensioning (click right for other dimensioning types) Reference point an intersection point (click right for other reference point types) QS Fenster Creat stiffener at element edge Creat link (e.g. truss) Basic construction lines CL1 and CL2 Axis reference point Layer-Function Reference set Active Part/List of Active definitions parts Varible/Constant © Bentley Systems Austria
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RM Bridge
Construction of Cross-Section Training Getting Started – GP – DIN 5-4 5.1 Definitions 5.1.1 Construction Lines Construction lines are defined with the available icons (see above) and are needed for the basic cross-section shape. Each construction line (CL) is defined relative to an existing line, thus all new construction lines are depended on CL1 and CL2. 5.1.2 Reference Points The intersection of CL1 and CL2 represents the axis of the bridge and acts as a reference point for the position of the cross-section in the overall 3D geometry. 5.1.3 Cross-Section The shape of the cross-section is defined by individual elements. These elements are based on the intersection points of the construction lines. These 2 dimensional elements are cre- ated with either 3 or with 4 corner nodes. A polygonal line around the element defines the border, the first and the last polygon part close the element. The order of input does not matter (cycle), the polygonal line must not cross itself. 5.1.4 Parts Cross-section elements with different properties can be written into a separate part. Com- posite cross-section for instance has 3 parts: one for the steel, one for the concrete, one for the composite cross-section. 5.1.5 Reference Sets In addition to the cross-section geometry information for the structural analysis such as temperature points, reinforcement layers, stress points and others are defined in so called reference sets. Properties (e.g. material) of a „Reference Set‟ can be defined and grouped in so called „Attribute Sets‟. 5.1.6 Layer Management Each object of the cross-section can exist in all, one or several graphical layers. © Bentley Systems Austria
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Construction of Cross-Section Training Getting Started – GP – DIN 5-5 5.2 Definition of Construction Lines Six vertical and four horizontal lines are needed for the following cross-section. First paral- lel and vertical lines with a distance of 4.0m to the centre are defined. Constants Set the constant to 4.0 in the „vari- ables/constants‟-input field. Press the icon Parallel Line to activate this function. The graphic cursor is then displayed as continuous line indicating a function being active. During the execution of this action the following information is displayed in the status line: Select the vertical line as basic line (CL_2). During the execution of this action the following information is displayed in the status line: Click to the right side of the selected line to create a new construction line. This new CL has a distance of 4.0m to the centre. Create the second line on the other side in the same way: Select the vertical basic line. Click to the left side of the selected basic line (CL_2) to create a new CL. This new CL has a distance of 4.0m to the centre. © Bentley Systems Austria
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Construction of Cross-Section Training Getting Started – GP – DIN 5-6 CS window The next figure shows the rest of the needed CLs with the corresponding distances . The procedure is the same as explained above. Click at the vertical or horizontal basic line and set the constant to the appropriate value. © Bentley Systems Austria
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Construction of Cross-Section Training Getting Started – GP – DIN 5-7 The following overview shows all necessary construction lines for this example: 4.00 4.00 CS Window 0.25 0.35 2.00 Basic lines CL1 and CL2 0.5 0.6 © Bentley Systems Austria
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Construction of Cross-Section Training Getting Started – GP – DIN 5-8 5.3 Cross-Section Elements After all CLs are available the cross-section elements can be defined: Activate the "Cross-section element“ by selecting the appropriate icon. During the execution of this action the following information is displayed in the status line: Click at the intersection points of the construction lines to create the corner nodes 1, 2, 3 and 4 of the new element (see picture below). The new element is automatically assign to part 1, thus the number 1 appears in the middle of the element. (Different parts are needed in composite constructions, see next training) CS Window © Bentley Systems Austria
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Construction of Cross-Section Training Getting Started – GP – DIN 5-9 All other elements are generated in the same way. Please make use of the zoom functions to properly select the intersection points. A wrong definition can be interrupted by hitting the <Esc> key (or right mouse button). A wrongly defined element can be selected (ele- ment line changes colour) and deleted with the „delete “ icon. Elements can be copied and mirrored to speed up the input. These icons can be found with right click above the icon Linear 4-Point-Element. The cross-section of this example consist of 4 elements only, see picture below: CS Window © Bentley Systems Austria
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Construction of Cross-Section Training Getting Started – GP – DIN 5-10 5.4 Definition of Reference-Sets Four sets are used in this example: 2 for reinforcement layer (top and bottom), one for the stress points (to calculate stress at top and bottom fibre at a certain point). The forth set is needed to define the geometrical position of the support springs (connection points). 5.4.1 Connection Points Select the arrow key next to the reference point. Create a new reference set with the name “sup- Reference-Sets port“ and select the type “connection point “. Confirm This new reference set is inserted in the table of existing reference Connection points sets. Several sets can be defined in one project. Select the wanted set and hit <OK> to change the active set Insert The activated reference set will be displayed in Active the input field. All definitions on the cross-section level will now refer to this refer- ence set. © Bentley Systems Austria
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Construction of Cross-Section Training Getting Started – GP – DIN 5-11 Select the icon for the connection point defini- tion. Select the intersection of CLs with cross- section element border Connection point to define the position of the reference point. The upcoming window Single Point asks for the name of this new point (CP0 in this case). Confirm © Bentley Systems Austria
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Construction of Cross-Section Training Getting Started – GP – DIN 5-12 5.4.2 Stress Points Open the reference set input window by clicking the arrow key next to it. Select “Insert after” button to add another reference set to the list- Reference-Sets ing. Insert Create a new set with the name “STRESS“ and select the type “Stress check points “. Stress Points The Attribute-Set is named similar to the set name: “STRESS “ and the wanted material is DIN_Germany:C- 35/45. Confirm The newly defined reference set is inserted in the table of available reference sets. Select the new set and hit <OK> to activate the reference set. The active reference set is displayed in the lower side of the win- Active dow. All definitions from now on will refer to the active reference set („STRESS‟ in this case). © Bentley Systems Austria
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Construction of Cross-Section Training Getting Started – GP – DIN 5-13 Select the icon for the stress point definition. The intersection point is selected by clicking it with the cursor in order to define the wanted position of the reference point. The upcoming window asks for the definition of the point name for the selected point (SP_TOP in this case). Confirm Select the icon for the stress point definition. The intersection point is selected by clicking it with the cursor in order to define the wanted position of the reference point. The upcoming window asks for the definition of the point name for the selected point (SP_BOT in this case). © Bentley Systems Austria
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Construction of Cross-Section Training Getting Started – GP – DIN 5-14 Confirm © Bentley Systems Austria
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Construction of Cross-Section Training Getting Started – GP – DIN 5-15 5.4.3 Reinforcement Groups Reinforcement is defined either as one or more single points or polygons. Reinforcement areas that are assigned or automatically calculated later are distributed over these points and polygons. Positions are defined relative to construction intersection points or cross-section element nodes. The sole geometry is stored in form of Reference-Sets, which may be grouped and addressed by Attribute-Sets. Attribute-Sets hold additional information such as material definitions. In most cases the Attribute-Set names are identical to the Reference- Set names. First a Reference-Set is created as already shown above. Open the reference set input window by clicking the arrow key next to it. Use the “Insert after” button to define a new Reference-Set. Reference-Sets Insert Create a new Refer- ence-Set with name Reinforcement Top “REBAR_TOP“ an select type “Bending Reinforcement“. Use the same name again (“REBAR_TOP“) for the Attribute-Set and assign the wanted ma- terial. Confirm The newly defined reference set is inserted in the table of available reference sets. Select the new set and hit <OK> to activate the reference set. © Bentley Systems Austria
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Construction of Cross-Section Training Getting Started – GP – DIN 5-16 Select the appropriate icon for the reinforce- ment definition. Select the element cor- ner to which the refer- ence point is relative to using the mouse cursor. The upcoming window requires data for point type, point name and offset to the selected element corner. The new point will be the start of the reinforce- ment polygon. Confirm Select the appropriate icon for the reinforce- ment definition. Select the element cor- ner to which the refer- ence point is relative to using the mouse cursor. The upcoming window requires data for point type, point name and offset to the selected element corner. The new point will be the end of the reinforce- ment polygon. © Bentley Systems Austria
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Construction of Cross-Section Training Getting Started – GP – DIN 5-17 Confirm After the reinforcement definition at the top layer is defined the bottom reinforcement will following as next: Open the reference set input window by clicking the arrow key next to it. Use the “Insert after” button to define a new Reference-Set. Reference-Sets Insert Create a new Refer- Reinforcement Bottom ence-Set with name “RBAR_BOT“ an se- lect type “Bending Re- inforcement“. Use the same name again (“REBAR_BOT“) for the Attribute-Set and assign the wanted ma- terial. Confirm © Bentley Systems Austria
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Construction of Cross-Section Training Getting Started – GP – DIN 5-18 The newly defined reference set is inserted in the table of available reference sets. Select the new set and hit <OK> to activate the reference set. Select the appropriate icon for the reinforce- ment definition. Select the element cor- ner to which the refer- ence point is relative to using the mouse cursor. The upcoming window requires data for point type, point name and offset to the selected element corner. The new point will be the start of the reinforce- ment polygon. Define the polygon end point in the same way. © Bentley Systems Austria
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Segment Definition Training Getting Started – GP – DIN 6-1 6 Segment Definition The structural system consists of 2 span girder with a constant T-shaped cross-section. Only one “Segment“ is needed for this project. Select the appropriate button to define a new segment (on the right side of the window). Name, type, reference axis and eccentricity type can be defined for the new segment in the Define Segment upcoming window. For this example the default set is ok and the name is “seg1”. After confirmation the new segment will be avail- able in the segment listing. Confirm The newly created segment is displayed in the table of existing segments. Several seg- ments may exist for one project. Changing the currently active segment is done by click- ing the wanted segment and confirming with <OK>. © Bentley Systems Austria
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Segment Definition Training Getting Started – GP – DIN 6-2 6.1 Definition of the Structural System The next step in GP is the assembly of the structural system. A structural system consists of Elements, Nodes, Cross-sections and Material properties. Each segment consists of several segment points. Each segment point is defined in 3D with its position along the axis. The structural nodes are created using these segment points, the structural elements are generated using the spacing between the segment points. Material properties are assigned to the elements, the cross-sections are assigned to the segment points. 6.2 Definition of Segment Points Open the segment point listing by clicking the symbol on the right side. The table will be empty since no data has bee n defined yet. Segment Point Listing Define new segment points by clicking the "Insert after" - button (at the left of the gen- eral screen). The structural system shall start at 0 and shall end at Station 60.0 m. All elements will have a length of 3.0m, 20 elements will finally compose the girder. 10 elements for the left span and 10 elements for the right span. © Bentley Systems Austria
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Segment Definition Training Getting Started – GP – DIN 6-3 The input for the Seg- ment Points can be seen Insert Segment Points in the Figure on the left side. A step of “3 m” is used to define segment points that will reflect the element lengths of the structural system. Confirm The structural system is herewith defined. (60m long with elements of 3 m length). Segment Points 6.3 Cross-Section Assignment The assigned cross-sections are shown in the segment list. The column „OK‟ describes if the cross-section at this stage is correctly defined for the further procedure. The „+‟ shows that at this station the appropriate cross-section is assigned. If this sign switches to „-„ the cross-section was recently modified after it had been assigned to the segment.. In the lower list all specified variables, parts and connections of the cross-section are displayed. Later on tables and formulas will be assigned to those variables. © Bentley Systems Austria
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Segment Definition Training Getting Started – GP – DIN 6-4 6.4 Assignment of Element Numbers The element and node numbering for the whole system can be done at once. First se- lect “parts” to view the undefined parts. Only Element numbering one line is displayed since the cross-section exists only of one part. The element numbering should start at segment point 1, the first element and node-number should be “101”. At the end of the first element (101) the node–number is “102”. The in- crement is definition by “1”. The properties of the material is:C_35/45 (DIN 1045-1) will be applied. All elements are grouped with the name “MG“ (main girder). Activate the 'Modify' - Function at the left of the table to open the input pad. © Bentley Systems Austria
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Segment Definition Training Getting Started – GP – DIN 6-5 Definition for all seg- ment points (1 to 21): See Fig. on the left siede. Element numbering Confirm The numbering can be controlled by stepping through the segment point listing in the up- per table. Segment Point Listing The data to the cur- rently marked line is shown in the lower table. Any modification after this initial definition can be done, but <recalculate> must be exe- cuted in GP before the project will be exported to RM . The cross-section 'cross1' is locked after this initial assignment. Any modification to the cross-section requires to “unlock” the cross-section (program asks for it). Again <recalcu- late> must be executed in GP before export to RM starts. © Bentley Systems Austria
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Definition of Supports Training Getting Started – GP – DIN 7-1 7 Definition of Supports The following definitions are required: Create a “connection point” to specify the location of the support. The procedure has been explained before under “Definition of Reference-Sets“. Create the connection between sub- and superstructure with spring elements- see be- low: 7.1 Geometrical position of bearing: The green, triangular symbol attached at the bottom of the girder is the geometrical posi- CS – Window / Add. Points tion of the bearing. The definition is already done in chapter 5.4.1. © Bentley Systems Austria
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Definition of Supports Training Getting Started – GP – DIN 7-2 7.2 Definition of Support Open the segment point table by clicking on the corresponding button in the menu on e right side Select the first line in the upper listing (Station 0). Select the button for „connection“ to open the corresponding input window. Select “insert before” to see the possible choices. Select “New spring-0” to open the correspond- ing spring definition window. © Bentley Systems Austria
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Definition of Supports Training Getting Started – GP – DIN 7-3 The support spring 1100 represents the connection between girder and soil. The Support Definition position of this spring element is done with the assignment to the nodes (Node1 = 0 = earth, Node2 = 101 top of girder) Switch over to the input of spring constants. Press The spring constants are defined here. The element 1100 repre- Spring Constants sents the support condi- tion in vertical (X) and transverse (Z) direc- tion. A constant of 1e8 represents the stiffness of the support condi- tion. Confirm The newly defined spring element will be displayed in the table for support definitions. © Bentley Systems Austria
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Definition of Supports Training Getting Started – GP – DIN 7-4 Press the “i-button” to see a graphical picture of the support. Support Definition Several conditions can be defined at any seg- ment point. Select the wanted line in the table to see the correspond- ing support condition. The same procedure is repeated for the other two connections (segment point 11 und 21). The element numbers shall be 1200 and 1300. The table below shows the sprig constants for the spring elements. Element 1100 1200 1300 Spring constants KN/M KN/M KN/M CX 1e8 1e8 1e8 CY 0 1e8 0 CZ 1e8 1e8 1e8 CMX 0 0 0 CMY 0 1e8 0 CMZ 0 0 0 © Bentley Systems Austria
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3D - View Training Getting Started – GP – DIN 8-1 8 3D - View The completed girder can be viewed in 3D now. Select the corresponding button to open the 3D view. 3D - View © Bentley Systems Austria
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Export to RM Training Getting Started – GP – DIN 9-1 9 Export to RM 9.1 Export to RM The completed structural system can be transformed into a structural model for further use in RM. Select the corresponding 'RM-Export'-Icon to start the RM export. For this example the default set is OK. Information for all segments will be ex- ported. Export to RM Confirm If no calculation proce- dures are running and no input windows are opened in the RM pro- ject directory where the Export structural model is ex- ported to you can con- firm with <OK> to start the export. © Bentley Systems Austria
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Export to RM Training Getting Started – GP – DIN 9-2 9.2 Closing the GP Session. The program can be closed now to continue the evaluation in RM. GP completed Further procedures to continue the definitions and necessary input in RM is shown in the RM part of the „Getting Started‟ example. © Bentley Systems Austria
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