GSE: STRUCTURAL ENGINEERING SOFTWARE

T R I A L   R E Q U E S T

G S E   W O O D   D E S I G N

Part of the GSE software, GSE WOOD allows to design and analyze wood structures such as light wood framing as well as engineered wood structures.

The GSE WOOD allows to combine these two types of structures (bean-column frame and light framing).

D I F F E R E N T   M A T E R I A L S,  O N E  S O L U T I O N.

G S E   T U TO R I A L   V I D E O S

TECHNICAL SPECIFICATIONS

• Material properties specific to wood function of the wood type (sawn wood, glulam or composite), the section dimensions and the wood species.
• Database of the common wood grades available on the market like dimension lumbers, glulam timbers, composite lumbers (LVL, PSL, LSL).
• Standard section library containing the common sizes available on the market as well as wood joists.
• Sections of special dimensions (6 1/4 x 11 3/8 for example) can also be defined and analysed.
• Many proprietary section libraries are also available:
Nordic (NordicLam, Joists)
Weyerhaeuser (Parallam, Microllam, TimberStrand, Joists)
Boise (Versa-Lam, Joists)
• The specification of the material associated to a section is done in a parametric way. The material is selected automatically based on the specified section dimensions, the wood grade and the wood species.
• Calculation of the resistances and various design parameters for all elements of the model are made according to the CSA O86-09.
• Possibility of defining built-up wood sections. Sections built in vertical plies may be created from any rectangular wood section. The type of anchorage is accounted for in the resistance calculation
Modification coefficients (KS, KT and KH) are determined automatically based on a small number of parameters. The size coefficients (KZ) are calculated automatically according to the section sizes.
All modification coefficients (KS, KT, KH and KZ) may be customized for each type of resistance calculated (KSb, KSv, KSc…).
The load duration coefficient (KD) is determined automatically for each load combination and is applied to the calculation of the wood element resistances
• The support parameters used in the shear and bearing resistance (compression perpendicular to grain) can be specified. These parameters can be different for the two ends of the members.
• Notches can be defined at the top and bottom chord for each member end for the purpose of calculating the shear resistance.
• Specific parameters related to the bending, compression and tension resistance may be specified. -Several of these factors may be determined automatically using the Recalculate command.
• Calculations of bending, compression, tension, shear, bearing and combined resistance of aluminium elements based on the results of a linear, P-Delta, non-linear, seismic or dynamic.
• Calculation of structural elements like beams, simple or built-up columns, inclined roof purlins, straps, decking, various arcs (circular, parabolic, Tudor, triangular, broken arcs).
• Beams and arcs may be straight or curved with a constant or variable section. For curved elements, tension perpendicular to grain needs to be verified manually.
• The Re-Design command allows to run a partial analysis on selected members. It is possible to modify the section of the members or the material type and properties. The chosen section may then be assigned to the selected members of the model.
• Calculates the ultimate limit states, service limit states and vibration control of wood joists based on the CCMC 1997 report.
• Roofs and floors made of plywood or OSB panels as defined in chapter 9 of CSA O86-09 can be calculated.
• Calculation of wood trusses with metallic connections according to the TPIC.
• Deflections are checked according to a comprehensive set of criterion.
• All intermediate results required for validation are provided.

WOOD LIGHT FRAMING DESIGN

• Create rectangular walls with only two points or trapezoidal walls with three points in a 3D environment.
• The wall surfaces can be copied to create the structure faces and the different stories of the structure.
• The walls can either be bearing walls or shear walls.
• Each type of element in the wall is made of a simple or built-up wood section chosen by the user.
• When the wall is edited, the wall sketch highlights the treated elements in the wall.
• The wall sketch can be actualized when any parameter is modified.
• Window or door openings can be created and stored in a library.
• The lintel can be positioned directly above the opening or at the top of wall.
• The members of the openings can have their sections assigned according to the sections of the wall or can be selected manually.
• The sheathing parameters and the anchorage configuration can be specified for each wall segment in order to calculate the shear resistance of the shearwall segments.
• The wall generator creates the members and loading surfaces of the wall and assigns basic properties to these elements.
• All elements of the geometry can be generated at once.
• All wall elements can be edited by the user, which gives a great flexibility.
• Detailed results for each shear-wall segment, including the forces in anchorages (Rij) and the shear forces (Vf).
• The shear forces on each segment are calculated according to two methods: Shear force distribution based on the stiffness of the shearwall segments and shear force distribution based on the shear resistance of the segments.
• Design of floor diaphragms.

L E A R N   M O R E

SHEARWALLS

SHEARWALLS

The GSE WOOD is a high level technology for automated parametric generation for bearing walls and shearwalls creation and analysis. The analysis is carried out according to the Canadian code CSA O86-09.

The bearing walls and shearwalls creation is possible with the wall generation tools of the Light Wood Structures module of the GSE WOOD. These tools allow to create wall surfaces then define their parameters and to generate the geometrical elements of the walls.

The 3D wood structure is submitted to the applicable loads, including wind and seismic loads, in order to carry out a complete analysis of the structure according to the National Building code (NBCC 2005, 2010). The seismic analysis is done according to the clause 4.1.8 of the NBCC and the wind analysis is done according to the clause 4.1.7 of the NBCC.

ENGINEERED WOOD

SAWN, GLUED LAMINATED AND COMPOSITE WOOD DESIGN

This module allows to calculate the resistance and the limit states of wood members of a model according to the CSA O86-09 design code. The limit states verified are: compression, tension, bending, compression bending, tension-bending, shear, bearing, deflections and slenderness.

The wood sections verified by the program may be sawn lumber, glued-laminated timbers and structural composite lumbers (LVL, PSL, LSL). The program provides a range of standard sections and allows to create custom wood sections and built-up wood sections. The user can also create its own custom section libraries. When possible, the program can automatically select the appropriate wood grade based on the section parameters (dimensions, wood class, etc.)

WOOD DESIGN FEATURES

WOOD DESIGN FEATURES

The wall surfaces creation is fast and user-friendly:
• Create rectangular walls in only two selections in a 3D environment.
• The wall surfaces can be rectangular or trapezoid.
• The wall surfaces can be copied to create the structure faces and the different stories of the structure.

Attributes specific to Walls:
•The walls can either be Bearing Walls or Shearwalls.
The Bearing walls are an assembly of standard wood members.
The Shearwalls include the same wood members and integrate a lateral load resistance which comes from the sheathing and the anchorages.
• Each type of element in the wall is made of a simple or built-up wood section chosen by the user.
• The studs are automatically positioned in the wall according to the selected spacing.

Wall design assistance:
The design sketch makes it easy to design the wall;
• When the wall is edited, the wall sketch highlights the treated elements in the wall.
• The wall sketch can be actualized when any parameter is modified.
• It is possible to measure distances directly on the wall sketch.

Openings from the opening library can be added to the wall:
• The openings can be used for a series of walls.
• Window or Door opening types can be created.
• The lintel can be positioned directly above the opening or at the top of wall.
• The opening members can have their sections assigned according to these of the wall or can be selected manually.

Parametric generation of the model:
• The wall generator creates the members and loading surfaces of the wall and assigns basic properties to these elements.
• Many different elements automatically generated: Members,
Loading surfaces, General member attributes and Wood member attributes.
• All elements of the geometry can be generated at once.
• All wall elements can be edited by the user, which gives a good flexibility.
• The Sheathing parameters and the Anchorage configuration can be specified for each wall segment in order to calculate the shear resistance of the shearwall segments.

WOOD VERIFICATION FEATURES

WOOD VERIFICATION FEATURES

• Analysis results can be visualized graphically on the wall framing elements:
BENDING MOMENTS
FRAMING DISPLACEMENTS
• Analysis results of the shearwalls are given in a table.
• Detailed results for each shearwall segment, including the forces in anchorages (Rij) and the shear forces (Vf).
• The shear forces on each segment are calculated according to two methods: Shear force distribution based on the stiffness of the shearwall segments and shear force distribution based on the shear resistance of the segments.

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