STRAP is one of the most comprehensive and versatile structural analysis, design and detailing software system available in the market. Today STRAP is widely used by large construction companies, government agencies, international agencies, engineering firms,educational and research organizations worldwide STRAP software’s unique design capabilities make it an outstanding Structural design program in the market. Some of the most interesting features are listed below:

Geometry Modelling

• Very simple to model graphics features

• Various models with loads can be combined to one model

• Sub-structure modelling

• Special features to model high-rise building

• Special features for modelling shear walls and lift cores

• Auto meshing for any irregular shaped panels

• Model steel, concrete, composite structure in one model

• Import of DXF drawing or DXF drawing overlay option

• Import of model files from other structural programs

Loading Options

• Automatic generation of floor loads for any irregular shape panels

• Possibility to define patch or point loads on slabs (without modelling FEA)

• Fast definition of loads for multi storey buildings, using sub-structure option

• Automatic generation of wind loads on closed or open structures

• Automatic generation notional loads

• Generation of moving loads (straight or curved path)

• Loads in different direction can be moved simultaneously using moving load option

• Automatic generation of pattern loads

• Easy definition of variable loads on elements (when modelling water or earth retaining structures)

• Automatic calculation of nodal weights

• Inbuilt response spectra for various soils and possibilities to define site spectra

• Easy definition of rigid floors

• Option to specify storey eccentricities

• Automatic scaling of response spectrum results

• Option to get the earthquake results with signs of the dominant mode shape

• Calculation of centre of rigidity and centre of mass

• Calculation of weak storey

• Calculation storey shear force

• Check for storey drift

Analysis Features

• State of the art algorithms that ensure an extremely fast solution, using minimum disk space

• Analysis can be interrupted and continued later (extremely useful when working large modes)

• Tension and compression only beams, unidirectional springs and P - Delta for second order effect

• Gap elements, non linear springs and plastic hinge definitions

• Time history analysis

• STRAP enables you to analyze a model that changes at different stages of the construction process (e.g. concrete casting in stages) and combine all the results to one file

• Stiffness matrix can be saved (helps considerable reduction of time for reanalysis)

Design & Detailing of RC Structures

• STRAP provides an end-to-end solution for RC structures. It can do analysis, design (including optimisation of reinforcements), and drawing production and bar bending schedules

• Design and detailing of RC structures as per various international codes (ACI/ Euro/ Indian/ BS/ Chinese and etc)

• Possibility to model, analyse and design including beams, columns, shear walls, slabs (Flat slabs, solid slabs, grid slabs and etc) and raft all in one model

• Slab deflection calculation based on long term effects/cracked sections

• Punching checks for Flat slabs and raft

• Special features to model shear walls with ease

• Column design for any irregular cross section

• Automatic detection of unsupported lengths for beams and columns

• Automatic calculation of effective length factors for columns

• Option to check for user defined reinforcements in columns and Beams

• Very simple to model high rise building using sub-structure options

Design of Steel Structures

• Design as per various international codes

• Very detailed calculation reports

• Design of slender sections (especially used in Pre-Engineered buildings)

• Unique feature of Sway and Drift Optimisation to obtain the minimum cost design

• Lot of options for built-up sections analysis and design

• Automatic detection of unsupported lengths and calculation effective length factors

• Automatic connections design

Design of Composite Structures

• Analysis and design of composite columns (encased or filled) and composite beams

• Possibility to design tapered composite beams

• Automatic calculation of equivalent section properties by the program

Automatic Design of Steel Connections

• Integrated module for steel connections design

• Program automatically extract the forces from analysis and provides the optimum connection design

• User has option to change the parameters and check again

Design of Cold Formed Steel Structures

• Creation of your own cold formed sections library

• Design available for various International codes

• Exact shape of the cross section can be viewed in rendered image

Analysis of Bridges

• In-built Vehicle loads for various international codes

• User just need to define lanes and chose vehicle type, program automatically runs the vehicles on various lanes and gets maximum force envelopes & deflections

• Can design straight or curved bridges

• Possibility to define construction stages

Post Tension Design

• Post Tension design is available for both beams and slabs

• Design for various international codes

• Lots of options to define the cable profiles

Transmission Tower Design

• IS802 code for transmission tower designs is implemented

Water retaining Structures Design

• Design based on BS 8007 code

Section Property Calculator

• Create your own parametric thin wall cross sections and export it to STRAP program

• Create thick wall sections using the standard parametric library or your own shape

• Import cross sections from DXF files

Import/Export Options

• Import/export DXF files

• Import model and loading files from other structural programs

• Export to steel detailing programs

Sigma-X Ltd., Roxboro House, Raleigh Row, Galway H91 C840, Ireland

Telephone (UK): + 44 (0)203 603 1442 | Telephone (Ireland): + 353 (0)86 85 45 425

Email: info@sigma-x.net

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