This tool is quite different from those examined in the previous chapters
as it creates a distinct object type for bought-out reinforcement meshes
that are numbered and presented in the specifications separately.
If it is required, you can ungroup the reinforcement mesh into two
distinct bar sets.
The tool is located at the main ribbon as presented below:
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Tekla Structures v2021
Create a concrete slab with dimensions of 2000 x 3000 mm.
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The algorithm for applying the "Create reinforcement mesh" tool
Make sure all operations are canceled or press the Esc key.
Enable the "Create reinforcement mesh" tool.
Indicate the concrete object to be reinforced.
Indicate the starting point of the main bar.
Indicate the endpoint of the main bar. The factual length of the main
bar is of no importance, as meshes are bought-out objects of predefined
dimensions. Thus the X-axis of the main bar is determined.
Press the mouse wheel button to finalize introducing the mesh coordinates.
Press the Esc button to disable the tool.
The dimensions of meshes are determined by the localization package in
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The reinforcement mesh was created in the way the main bar starting point
is located at the origin point (2). As we have not indicated the Y-axis
direction, it was automatically set out at the X-axis left.
Exercise creating one more mesh at the other side of the concrete
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Delete the meshes and exercise the second method for creating them
The algorithm for applying the "Create reinforcement mesh" tool
Make sure all operations are canceled or press the Esc key.
Enable the "Create reinforcement mesh" tool.
Indicate the concrete object to be reinforced. Select the
Indicate the endpoint of the main bar. The factual length of the main
bar is of no importance, as meshes are bought-out objects of predefined
dimensions. Thus the X-axis of the main bar is determined. X для
главного стержня.
Indicate the point determining the Y-axis direction. It can be allocated
at the X-axis right or left side.
Press the Esc key to disable the tool.
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An important property of the reinforcement meshes is that creating a cut
in the concrete object automatically cuts off the mesh as well. Create
a polygon cut with dimensions 500 x 500 mm.
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Go to the rebar mesh properties window.
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The "Create reinforcement mesh" tool exerts not a simple bar
group, but bought-out objects to be reflected in the specifications appropriately.
The mesh properties menu consists of similar to bar group properties
parameters.
The differences are highlighted with a red frame in the below picture.
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The "Cut by father part cuts" parameter
controls the meshes in the polygon cuts of the concrete objects. Switch
it off to examine changes in the model.
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As a result, you can see that the mesh became integral in the cut part
The "Crossbar location" parameter
defines the bar groups allocation above/ below each other. Taggle between
the options available and examine the results.
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The upper and the lower bar groups switched their places.
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The "Mesh type" parameter
allows selecting the standard mesh options depending on the localization
package in use.
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Select any available option with your localization package. Upon selecting
The mesh type "Custom mesh" parameter
allows the creation of non-standard meshes. Enabling the custom mesh checkmark
activates the "Layout" section's fields. Try out yourself
to activate the custom mesh.
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The "Layout" section's fields became unblocked. All the
fields are distributed into two columns, which refer to the X (traversal)
and Y (longitudinal) axial bar groups.
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The other parameters are not paired thus not included in the columns.
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The "Distances" parameters
define the spacing between bars by the X and Y axes. Change the distance
value by X-axis to 400 mm.
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Change the distance value by Y-axis.
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The "Left overhang" parameter
exerts the main bar offset from the X-axis. Set its value at 200
mm.
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Correspondingly the adjacent field parameter exerts the main bar offset
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Exercise on your own setting up various values of these parameters and
The "Right overlap" parameter
indicates the effective distance between the bar group elements
and the mesh bound as the overall length and width values of the mesh are
to be set out by users. It is not possible to change the values of this
parameter, this being a logical consequence. In the majority of cases,
it is required the right overlap values to be the same.
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The "Diameter" parameter
fields allow to separately define the diameter of the bar groups'
elements along the X and Y axes. Note that the available diameter range
is defined by the mesh type selected.
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Indicating a diameter value different from the range imposed by the mesh
type transforms the bar group elements into thin lines thus informing users
about the error.
Every localization package contains distinct mesh types, depending on
the regulatory framework of the country to which it refers. Set out
the diameter value at 12 mm, or select any other value corresponding to
the mesh type and localization package in use.
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Set out the diameter value of the bar group along the Y-axis at 10 mm.
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The "Width" parameter
defines the overall width of the mesh (the Y-axis bar group length).
The real length of the Y-axis bar group is automatically updated, considering
the cover thickness value. Also, do not forget to consider the left overlap
values being the factual offset of the bar groups from the X-axis.
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The "Length" parameter
defines the dimensions of the mesh along the X-axis. Do not confuse this
parameter with the effective bar group length, as the bar group's effective
length is shorter at the cover thickness value. Set out the length value
at 2000 mm.
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The "Grade" field
is not active, and it reflects the bar type in use. This field is not
editable.
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The "Bending radius" field
is not editable as well, and it informs the user about the default value
of the bars. This field is useful when creating bent meshes.
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The "Polygon" mesh type
allows creating meshes of various polygon shapes. It is not possible to
reset the mesh type for an already created mesh.
Thus to apply such a type, firstly, proceed to preconfigure the "Mesh"
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Prior to creating a new mesh object delete the one already created. Go
to the mesh properties menu by executing a double-click on the tool's
icon.
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The algorithm for applying the "Create mesh" of the "Polygon"
Make sure all operations are canceled or press the Esc key.
Enable the "Create mesh" tool.
Indicate the concrete object to be reinforced.
Indicate the points shaping out the polygon mesh object.
To finalize indicating the points, press the mouse wheel button or the
Space key.
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6. Indicate the first point setting up the direction of the main bar.
7. Indicate the second point setting up the direction of the main bar.
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8. Press the Esc button to disable the tool.
As you can see the mesh shape is defined by the polygon shape, as specified.
Go to the mesh properties menu. The “Mesh type” value
is “Polygon” and it is not editable.
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In practice such complex mesh shapes as presented above are rarely used.
Let’s examine one of the typical cases when applying the “Polygon”
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Enable the mesh tool, select the concrete object and proceed to indicating
the mesh shape by selecting the concrete object’s points. Upon completion
of the points selection press the mouse wheel button.
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Indicate the X-axis direction of the mesh and finalize the operation by
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Go to the mesh properties menu. Note that several parameters are not editable,
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The “Bent” mesh type
Prior to start, go to the mesh properties menu and set out the “Mesh
type” value as “Bent”. Use the below picture and set
up the “Layout” section parameters accordingly:
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Create a beam object as it shown below:
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Create all the default views of the concrete object.
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Go to the “Part end” view.
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Create a “Polygon cut” objects with dimensions of 400 x 1000
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Move the added material object at 500 mm to the right as it is shown below
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Select the added material body’s top points and move them at 200
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Compare your results to those presented below:
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Create a bent mesh using the algorithm presented below:
Make sure all operations are canceled or press the Esc button.
Enable the “Mesh” tool.
Select the concrete object to be reinforced.
Indicate the points describing the mesh polygon shape.
Press the mouse wheel button.
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Indicate the first point defining the main bar’s direction.
Indicate the second point defining the main bar’s direction.
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Press the Esc button to disable the tool.
The mesh created shall be of a shape as presented below:
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Go to the mesh properties menu. Set out the cover thickness values according
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Also, note that it is possible to set out the hooks for this mesh type.
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Indicate the hook at start value as “Standard 135 degrees”.
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Similarly proceed for the hook at the end. Set its value by yourself.
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Select the mesh and in the right-click menu enable the "Inquire"
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In the pop-up window you can see that the mesh properties differ from
the ones of a bar group. Thus the reinforcement mesh represents a distinct
object type, as it is defined by a Name and other properties set.
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Ungrouping a mesh
is a tool that allows splitting a mesh into separate reinforcing bars.
Thus the mesh object disappears and in the specifications, only the bar
objects will be reflected.
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Go to the properties menu of the resulted object. As you can see, it is
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The Prefix and Name values are similar to the ones of the initial mesh
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Create several more meshes of arbitrary shapes and parameter values.