RIB Software SE

Version RTwalls Expert - Wall Design Tool

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The enhanced version RTwalls EXPERT in particular offers as a geotechnical application  the following advantages:

  • geotechnical design according to  DIN 1054 incl.  EAU and  EAB as well as  EC 7, EN 1997 and according  NADs for DE, AT & CZ
  • clearly arranged and efficient working surface with support of parameterised inputs
  • completely graphic-oriented input with optimum control of all modifications
  • unlimited application for arbitrary retaining wall systems
  • fast familiarisation with introductory example
  • simple calculation and design of different wall systems with arbitrary anchorages or outriggers
  • usage of templates
  • clearly arranged and continuous result output with preselection for graphics

Short Overview

  • retaining walls for deep excavations incl. wall design
  • polygonal ground level with ground and material data base
  • berms on valley & earth sides
  • vertical sheet, soldier pile, bore pile or slotted wall
  • profile-DB for sheet piles of all typical types
  • outriggers and anchors with/without prestressing
  • consideration of different excavation/retreating stages
  • consideration of water levels on valley/earth side
  • earthquake design for selected construction stages  
  • design of structure including all geotechnical proofs+

Detailed Information to RTwalls EXPERT

Windows® programme for the calculation and design of retaining walls with a graphically interactive working environment for the input, calculation and evaluation. The application supports the following calculation and design options:

  • graphical working environment with configurable toolbars, object tree and working window
  • direct import of QWALLS data and export to FEwalls
  • geotechnical design according to  DIN 1054 incl.  EAU and  EAB as welle as  EC 7, EN 1997 and according  NADs for DE, AT & CZ
  • consideration of  consequences classes (CC) of damage for ground failure analysis for ÖNORM B 1997-1-1
  • design of retaining wall according to DIN 1045, DIN 1045-1, EC2,  EN 1992-1 and according NADs for DE, AT & CZ as well as DIN 18800, EC3 and EN 1993 accordingly, DIN 1052, EC5 and EN 1995
  • design of retaining wall for steel or glass fibre reinforcement 
  • parameteriseable polygonal ground level including ground and soil database with berms on the valley and earth sides as well as free earth layer arrangement on both sides of the retaining wall
  • optional input of vertical dimensions by height above datum 
  • arbitrary amount of polygonal soil layers
  • vertical sheet, soldier pile, bore pile or slotted wall
  • transfer of the properties for soldier pile walls and sheet walls from the profile database for I-,IPE-, HE-, U- and 2xU-profiles as well as sheet wall profile types Arbed, Hoesch, Larssen, Corus, British Steel and Skyline
  • efficient framework calculation with finite elements for the consideration of bending with normal force as well as shear deformations during wall calculation
  • arbitrary amount of anchors and outriggers
  • single- or multi-span, prestressed and elastic anchorages, inclined or horizontal
  • cantilever, single- and multi-span girders of arbitrary base-point bearing
  • consideration of different excavation stages and retreating construction stages
  • line, block and strip loads as well as DB-loads (railroad-loads) on the ground level in the soil profile on the mountain side as well as block and strip loads in the soil profile on the excavation side for each construction stage
  • deformations given by the user or transferred from preliminarily calculated phases
  • evaluation of stress resultants, anchoring forces and deformations
  • evaluation of the support forces and the required embedment depths
  • evaluation of earth pressure from dead load / surcharge under active, increased active earth pressure and earth pressure on repose
  • different forms of earth pressure redistribution according to the German guidelines EAB and EAU as well as arbitrary earth pressure redistributions according to the user's own presettings
  • special redistribution of blocked area loads
  • consideration of bedding adaptation
  • alternative approach for active earth pressure according to Culmann and for earth resistance according to Gudehus
  • additional presetting of earth pressures and earth resistances
  • evaluation of water levels under flow pressure as parallel flow
  • consideration of free water levels which can be combined with flow pressure
  • analysis of hydraulic base failure
  • collection of water levels as designed water storey
  • additional presetting of hydrostatic pressures, e.g. for the description of complex water ratios
  • hydrostatic collection of water levels in front of and behind the wall
  • variation of the water level behind the wall per excavation phase
  • retention forces for different base-point bearings
  • use of degrees of fixation of the wall for the optimisation of the wall length
  • consideration of continuous bedding with realistic bedding stresses
  • verification for sum of vertical forces
  • evaluation of the required anchor lengths from the stability analysis of the deep slide joint
  • slope stability according to Bishop (friction circle method)
  • curved slide sline for earth resistance according to Perl method (DIN 4085)  
  • integrated friction circle and anchorage analyses
  • earthquake design with separate consideration of loads for selected  construction stages according to EN 1998 Part 1 +  5 including  Appendix E for the requirements of retaining walls
  • configurable and scalable plots for selected construction stages with system information and design results  
  • clearly arranged result document with geometry of the retaining wall / construction stages
  • complete output including significant graphics in the result list
  • system overview as printout with information on earth layers, structural members and design results 
  • preselection of the results or free visual configuration of the result list, respectively

Wall design according to DIN 1045, DIN 1045-1, EC2, EN 1992-1 and according NAs for DE, AT & CZ for Slotted Wall:

  • uniaxial design of a rectangular strip
  • design for bending with normal force and shear
  • SLS-design for structural concrete members 

Bore Pile Wall:

  • design alternatively as dissolved bore pile wall with straight or arched horizontal lagging
  • pile design for bending with normal force and shear
  • bending reinforcement under rotation-symmetrical reinforcement arrangement
  • overlapping bore pile walls for the horizontal pile lagging with arch action

Soldier Pile Wall:

  • design of the horizontal concrete lagging on bending; optionally additionally analysis of arch action

Wall Design According to DIN 18800, EC3 and EN 1993:

Soldier Pile Wall:

  • profile database with all established I and 2*U-profiles
  • analysis of the horizontal wood lagging

Sheet Wall:

  • profile database with all established sheet piles of the manufacturers ARBED, HOESCH, LARSSEN and British Steel
  • design according to German guidelines EAU and EAB

Chord Design according to DIN 18800:

  • design of the chording as single-span girder with/without cantilevers for all established I and U profiles

Horizontal Wood Lagging according to DIN 1052:

  • design of the horizontal wood lagging on bending in the case of TBW

Anchor Design:

  • design as strand, individual or Ischebeck-TITAN-anchor
  • option to choose between temporary and permanent anchors

The output of text and graphics is performed via the Windows® service programmes RTprint and RTviewer for the respective static system in each construction stage; for the earth pressures with and without redistributions, for the shear force and deformation distributions as well as for the anchor length definitions and the friction circle analysis.

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