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Updated:

01/31/2012

Cross-References

Related programs

	RSTAB add-on module for reinforced concrete design acc. to model column method or method based on nominal curvature

	Advanced setting for RSTAB add-on modules CONCRETE and CONCRETE Columns for reinforced concrete design acc. to EC 2

	Advanced setting for RSTAB add-on module CONCRETE for reinforced concrete design acc. to SIA 262

	Advanced setting for RSTAB add-on module CONCRETE for reinforced concrete design acc. to ACI 318-11

CONCRETE Columns EC2 for RSTAB SIA 262 for RSTAB ACI 318-11 for RSTAB

Products - Overview

CONCRETE 7.xx

Linear and Non-linear Analysis of Reinforced Concrete Members with Reinforcement Concept

CONCRETE is an RSTAB add-on module used to perform the reinforced concrete design of member elements. Take advantage of this program to evaluate RSTAB internal forces in various design cases. You can combine any number of members as well as load cases, groups and combinations in individual CONCRETE cases for the design process. In this way, it is possible for example to calculate quickly alternative designs using different concrete strength classes or modified cross-sections. The design is carried out for uni- and biaxial bending with axial force as well as shear and torsion according to the following standards:

DIN 1045-1:2008-08
DIN 1045-1:2001-07
DIN 1045:1988-07
DIN V ENV 1992-1-1:1992
ÖNORM B 4700: 2001-06-01
EN 1992-1-1:2004 + AC:2010 (optionally available, see EC2 for RSTAB)
ACI 318-11 (optional, see ACI 318-11 for RSTAB)
SIA 262:2003 (optional, see SIA 262:2003)

The fire protection design is optionally available according to

EN 1992-1-2:2004

Features

Import of results from RSTAB
Integrated material and cross-section library
Optionally available: Design of reinforced concrete members according to EN 1992-1-1:2004 (Eurocode 2) as well as for the following national application documents (NAD) (see also EC2 for RSTAB).

NA to BS EN 1992-1-1:2004 (United Kingdom)
SIST EN 1992-1-1:2005/A101:2006 (Slovenia)
ÖNORM B 1992-1-1/NA:2007-04 (Austria)
DIN EN 1992-1-1/NA:2011-01 (Germany)
NEN EN 1992-1-1/NA:2007-04 (Netherlands)
CSN EN 1992-1-1/NA:2006-11 (Czech Republic)
UNE EN 1992-1-1/NA:2010-11 (Spain)
EN 1992-1-1 DK NA:2007-11 (Denmark)
NF EN 1992-1-1/NA:2007-03 (France)
STN EN 1992-1-1/NA:2008-06 (Slovakia)
SFS EN 1992-1-1/NA:2007-10 (Finland)
SS EN 1992-1-1/NA:2008-06 (Singapore)
NP EN 1992-1-1/NA:2010-02 (Portugal)
UNI EN 1992-1-1/NA:2007-07 (Italy)
SS EN 1992-1-1/NA:2008 (Sweden)
PN EN 1992-1-1/NA:2008-04 (Poland)

In addition to the integrated NADs, you can create user-defined application documents using your own limit values and parameters to store them in a library.

Optional presettings for partial safety and reduction factors, neutral axis depth limitation, material properties and concrete cover
Determination of longitudinal, shear and torsional reinforcement
Design of tapered members
Cross-section optimization
Representation of minimum and compression reinforcement
Determination of reinforcement concept that can be modified
Design of crack widths with option to increase the required reinforcement in order to keep the defined limit values of the crack width analysis
Non-linear calculation taking into account cracked sections (for DIN 1045-1:2001, DIN 1045-1:2008, DIN V EN 1992-1-1:1992-06 and EN 1992-1-1:2004)
Consideration of tension stiffening
Consideration of creep and shrinkage
Deformations in cracked sections (state II)
Graphical representation of all result diagrams
Fire protection design according to the simplified method (zone method) in accordance with EN 1992-1-2 for rectangular and circular cross-sections. Thus, the fire resistance design of brackets is also possible.


Input After opening the program, you define the standard and method according to which the design is carried out. The ultimate and the serviceability limit state can be designed according to the linear as well as the non-linear calculation theory. The load cases, groups and combinations are then assigned to different types of calculation. Further input tables are available for defining materials and cross-sections. In addition, you can assign parameters for creep and shrinkage. Depending on the concrete's age, the modulus of creep and the coefficient of shrinkage will be adjusted immediately. The supports’ geometry is determined by design relevant data like support widths and types (direct, monolithic, end or intermediate support), redistribution of moments as well as shear force and moment reduction. CONCRETE recognizes the support types from the RSTAB model automatically. The final table consisting of several tabs is provided to enter specific reinforcement data as diameters, concrete cover and curtailment type, number of layers, cuts of links and type of anchorage. When you perform the fire protection design, you have to define the fire resistance class, the fire-specific material properties as well as the cross-section side exposed to fire. Members and sets of members can be summarized in special "reinforcement groups", each defined by different design parameters. Furthermore, you can adjust the limit value of the maximum crack width when you carry out a crack width analysis. The geometry of tapers can be determined additionally for the reinforcement.


Design Before you start the calculation, you can check the input data. Then CONCRETE searches for the results of the relevant load cases, groups and combinations for the design. In case the program cannot find them, RSTAB starts the calculation to determine the required internal forces. By taking into account the selected design standard, CONCRETE calculates the required reinforcement areas of the longitudinal and the shear reinforcement as well as the corresponding intermediate results. If the longitudinal reinforcement determined by the ultimate limit state design is not sufficient for the design of the maximum crack width, it is possible to increase the reinforcement automatically until the defined limit value is reached. The design of structural components bearing instability risks can be carried out by means of a non-linear calculation. Different approaches are available for the respective standards. The fire protection design is performed according to a simplified calculation method described in EN 1992-1-2, 4.2. CONCRETE uses the zone method mentioned in annex B2. Furthermore, you can take into account the thermal strains in longitudinal direction and the thermal precamber additionally arising from asymmetrical effects of fire.


Results Subsequent to the design, CONCRETE lists the results of the required reinforcement in clearly arranged tables together with illustrative graphics and detailed design information. Moreover, the module displays all intermediate values. In addition to the tables, the cross-section's current strains and stresses are represented graphically. The reinforcement concepts for the longitudinal and the link reinforcement including sketches are documented appropriately. It is possible to edit the reinforcement proposal and to adjust for example the number of members and the anchorage. The modifications will be updated automatically. The concrete cross-section with reinforcement can be represented and visualized by 3D rendering. Take advantage of this option to document the reinforcement data in an optimal way for creating reinforcement drawings including steel schedule. The designs for the limitation of crack widths are carried out with the selected reinforcement for the internal forces in the serviceability limit state. The results output includes steel stresses, minimum reinforcement, limit diameters, maximum bar spacings as well as crack spacings and maximum crack widths. As a result of the non-linear calculation, you get ultimate limit states for the cross-section with the defined reinforcement (determined linear elastically) as well as the member's effective deflections considering stiffnesses in cracked state.


Edit Shear Reinforcement	3.4 Steel Schedule	Reinforcement in 3D-Rendering	Result graphic for longitudinal reinforcement

Note

You can find more information about CONCRETE here:

	Manual
	Hotline
	Training

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