"Four-Season-Arch" Luxury Camping Tent, USA
Customer Project
The Under Canvas company provides a unique opportunity for all-inclusive adventure glamping (glamorous camping). Established in 2009, the company has grown to include multiple luxury glamping resorts and customized events all over the country.
| Owner |
Under Canvas Bozeman, Montana, USA www.undercanvas.com |
| Structural Engineer |
Modular Structural Consultants, LLC. Plano, Texas, USA www.modularconsultant.com |
Model
Under Canvas safari-inspired tents look to reduce environmental impact while still delivering a luxurious camping experience. Operating in many beautiful and well-known national parks and monuments throughout the USA, these safari-inspired tents give campers the ability to sleep soundly, ready to explore nature by morning.
Structure
The Four-Season-Arch is a beautiful centerpiece tent for luxury camping resorts. It has a unique aesthetic shape. The tent may consist of one pod or multiple pods. Each pod has three equal sides. Each side is framed with a glulam timber arch, spanning about 26 ft, with an arch rise of approximately 10 ft, positioned at a slight tilt. The three side arches are held together with horizontal timber beams. Round posts, each measuring around 24 ft long, are placed at the center of the horizontal timber beams, forming the pointed tipi tent appearance at the center pod. Two 10-foot awning poles are positioned at the entry doors.
Heavy-duty membrane fabric covers the pod framing and forms the conical-dome tent shape. The tent access opening can be opened or closed with fabric as well. RFEM and the RF-FORM FINDING add-on module were used in the structural analysis and design of the structure, including determining the shape of the tensile fabric under applied prestress forces.
Determining the design wind load is challenging for the Four-Season-Arch's unusual structure shape. The only way to produce an accurate wind load for this tent is either to use actual wind tunnel testing or wind tunnel simulation software. RWIND Simulation by Dlubal Software was the chosen program to perform the wind analysis on the tent structure. RF-TIMBER AWC was used to design the tent wood structures according to American standards.
Keywords
Membrane structures Form-finding Tent structure Wind forces Wind simulation
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Friction plays an important role in practice. Without friction, the brakes of cars would be useless, objects on inclined planes would just slide away, and prestressed bolt connections would be impossible.
Display of Topology on Deformed Structure
With the activated option "Topology on form-finding shape" in the Project Navigator - Display, the model display is optimized based on the form-finding geometry. For example, the loads are displayed in relation to the deformed system.
- How is it possible to make factorized combinations of a dead load in the context of form‑finding?
- My aim is to mesh a circular hole plate in a mapped way. Is such a meshing possible in RFEM?
- It seems that the members stay not deformed after my RF-FORM-FINDING calculation. What did I wrong?
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Can I export my cutting pattern?
- How do I model a tent roof with two cone tips?
- How do I model a suspended membrane roof structure with line supports?
- I would like to calculate and design "temporary structures." What do I need for this?
- I have already divided my membrane roof into individual surfaces. Can I quickly create a cutting pattern from these surfaces?
- How is an inflatable object simulated in RFEM?
- How can I define a material allowance at the edge of a cutting pattern?
Programs Used for Structural Analysis
Main Program
Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements
3,540.00 USD
Add-on Module
Form-finding of tensile membrane and cable structures
1,750.00 USD
Add-on Module
Design of timber members according to the American standard ANSI/AWC NDS
1,120.00 USD
