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2017 Table of Contents

XS_USE_ONLY_NOMINAL_REBAR_DIAMETER

Last updated March 6, 2017 by Tekla User Assistance tekla.documentation@trimble.com

Software version: 
2017

XS_USE_ONLY_NOMINAL_REBAR_DIAMETER

XS_USE_ONLY_NOMINAL_REBAR_DIAMETER

Category

Concrete Detailing

Nominal diameter is the diameter used for calculating the cross sectiongeometrical form of a part sectioned perpendicular to its axis

area of the reinforcing barreinforcement that represents a steel bar used to reinforce a concrete structure

The steel bars are usually ribbed and they are used to increase the tensile strength of concrete.

. Actual diameter takes into account the ribs, and tells the smallest holesmall hollow open throughout a part or assembly that is usually used for fastening parts with bolts or other such objects

Hole is created in the same way as bolts and hole properties are defined in the bolt properties.

diameter where the bar fits.

Values used for nominal and actual diameter are defined in rebar_database.inp , which is located in the environment folders in \<environment>\profil.

Set the advanced option to TRUE to use nominal diameter. To use the actual diameter set this advanced option to FALSE. The default value is FALSE.

When the advanced option is set to FALSE , and you open a model created earlier than Tekla Structures version 18, the center line of the reinforcing bars stays in place and the concrete cover is reduced. All bending dimensions of the reinforcing bar increase. To solve this problem, either set the advanced option to TRUE or modify the concrete covers of all reinforcing bars to the correct value.

When reinforcing bars are exported to Unitechnik, you can select to export either nominal or actual diameters. For other exports (for example, BVBS), the nominal diameter is always used in the exported definitions regardless of this advanced option.

Warning:

Do not change this option during a project.

Changing the advanced option also changes the modeled reinforcing bars. This means that if the actual diameter will be used, the reinforcing bar looks thicker in the model. To accommodate for the thicker reinforcing bar, Tekla Structures will automatically change also concrete cover thickness. When you change the option, Tekla Structures changes the concrete cover values after next restart.

This advanced option is role specific. When the type SYSTEM(ROLE) is in use, the default value is used. When the type MODEL(ROLE) or DRAWING(ROLE) is in use, you can change the value, which is then the same for all users in the current modelmodel that is active in Tekla Structures

The current model can be a single-user model, a shared model or a working model.

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