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Video | 3skeng Steelwork Tool
Online Manual RFEM | Surfaces
In September 2017, the Design Building at the University of Massachusetts in Amherst was completed. The $52 million project is one of the largest timber structures in the USA and one of the largest timber-concrete composite projects in the world.
The four-story university building, with a floor area of 87,500 ft², includes three departments on the premises of UMass Amherst with offices, studios, lecture halls, and laboratories.
Investor
University of Massachusetts, Amherst, USA
www.umass.edu
Architectural Design
Leers Weinzapfel Associates Architects Boston, MA, USA
www.lwa-architects.com
Structural Design
Equilibrium Consulting Inc. Vancouver, BC, Canada
www.eqcanada.com
3D model (© Alex Schreyer / UMass)
The four-story university building, with a floor area of 87,500 ft², includes three departments on the premises of UMass Amherst with offices, studios, lecture halls, and laboratories.
Investor
University of Massachusetts, Amherst, USA
www.umass.edu
Architectural Design
Leers Weinzapfel Associates Architects Boston, MA, USA
www.lwa-architects.com
Structural Design
Equilibrium Consulting Inc. Vancouver, BC, Canada
www.eqcanada.com
3D model (© Alex Schreyer / UMass)
Timber Beams
No Download Possible
Customer Project / View Only
| Number of Nodes | 102 |
| Number of Lines | 153 |
| Number of Members | 153 |
| Number of Load Cases | 1 |
| Total Weight | 13.447 tons |
| Dimensions (Metric) | 15.740 x 0.500 x 0.677 m |
| Dimensions (Imperial) | 51.64 x 1.64 x 2.22 feet |
| Program Version | 5.01.00 |
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Knowledge Base
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Using the Timber Design add-on, timber column design is possible according to the 2018 NDS standard ASD method. Accurately calculating timber member compressive capacity and adjustment factors is important for safety considerations and design. The following article will verify the maximum critical buckling strength calculated by the Timber Design add-on using step-by-step analytical equations as per the NDS 2018 standard including the compressive adjustment factors, adjusted compressive design value, and final design ratio.
The stresses in the cross‑section of the member are calculated in the stress points. These points are set at locations in the cross‑section where extreme values for the stresses due to the loading types can occur in the material.
Using the RF-TIMBER AWC module, timber column design is possible according to the 2018 NDS standard ASD method. Accurately calculating timber member compressive capacity and adjustment factors is important for safety considerations and design. The following article will verify the maximum critical buckling in RF-TIMBER AWC using step-by-step analytical equations as per the NDS 2018 standard including the compressive adjustment factors, adjusted compressive design value, and final design ratio.
Using the RF-TIMBER AWC module, timber beam design is possible according to the 2018 NDS standard ASD method. Accurately calculating timber member bending capacity and adjustment factors is important for safety considerations and design. The following article will verify the maximum critical buckling in RF-TIMBER AWC using step-by-step analytical equations as per the NDS 2018 standard, including the bending adjustment factors, adjusted bending design value, and final design ratio.
In RFEM, the oriented strand board (OSB) material is available for the USA and Canada. The material parameters are taken from the "Panel Design Specification manual".
Using the "Beam Panel" thickness type, you can model timber panel elements in 3D space. Simply specify the surface geometry and the timber panel elements are automatically generated using an internal member-surface construct, including the element connection stiffness. The Beam Panel thickness type is defined using the Multilayer Surfaces add-on.
A "beam panel" provides you with the following advantages:
- Single-sided or double-sided sheathing
- Automatic calculation of a semi-rigid coupling between studs and sheathing
- Nailed sheathing connection
- Stapled sheathing connection
- User-defined sheathing connection
- Representation as a complete geometric 3D object (frame, studs, surface, etc.), including eccentricity and automatically calculated stiffness between elements
- Consider openings via surface cells
- Design of the individual structural elements utilizing the Timber Design add-on (full shear wall design planned for a future release)
- Other material options available (e.g., particle board, gypsum, or fiberboard sheathing with cold-formed steel sections)
You have the option to perform the fire resistance design of surfaces using the reduced cross-section method. The reduction is applied over the surface thickness. It is possible to perform the design checks for all timber materials allowed for the design.
For cross-laminated timber, depending on the type of adhesive, you can select whether it is possible for individual carbonized layer parts to fall off, and whether you can expect increased charring in certain layer areas.
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Among others, the following cross-laminated timber manufacturers are available in the layer structure library:
- Binderholz (USA)
- KLH (USA, CAN)
- Kalesnikoff (USA, CAN)
- Nordic Structures (USA, CAN)
- Mercer Mass Timber
- SmartLam
- Sterling Structural
- Superstructures listed in Lignatec Edition 32 "Cross-Laminated Timber of Swiss Production"
By importing a structure from the layer structure library, all relevant parameters are adopted automatically. The library is continually updated.
How does the "Orthotropic Plastic" material model work in RFEM?
How do I display some results of all load cases in the printout report, but other results of selected load cases only?
Where do I find the setting to specify the entered structural component as a "wall" or "slab"?
Is it possible to set user-defined values when viewing solid stress results?
Is it possible to display more values for the stress distribution over the layers in RF‑LAMINATE?
Can I optimize all cross-sections in my model quickly using internal forces?
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