Adohi Hall, University of Arkansas, Fayetteville, AR, USA
Customer Project
Adohi Hall, which means “woods” in Cherokee, located at the University of Arkansas (U of A), is the first university housing and mixed-use structure of its kind.
| Client |
University of Arkansas, Fayetteville, AR, USA www.uark.edu |
| Architects |
Leers Weinzapfel Associates, Boston, MA, USA www.lwa-architects.com Modus Studio, Fayetteville, AR, USA www.modusstudio.com Mackey Mitchell Architects, St. Louis, MO, USA www.mackeymitchell.com OLIN, Philadelphia, PA, USA www.theolinstudio.com |
| Structural Analysis |
EQUILIBRIUM Consulting Inc., Vancouver, BC, Canada www.eqcanada.com |
| Wood Supplier |
binderholz group, Fügen, Austria www.binderholz.com |
Model
Completed in 2019, the project is currently the largest cross-laminated timber (CLT) building in the United States. Setting precedence among universities, the U of A is the first to complete a large-scale mass timber residence hall and living learning setting.
Project
The interconnected buildings not only contain the 708 residential units, in which mainly students in the 2nd Semester living, but also catering facilities, classrooms, administration rooms, employee apartments and much more.
The series of interconnected buildings in serpentine configuration is aimed at providing additional communal outdoor spaces in contrast to traditional campus housing. Additionally, the structure’s advanced timber technologies with the use of CLT panels and glulam members, was an important sustainability proposal to significantly reduce the buidling’s carbon footprint.
The project has won numerous awards to date, including:
- AIA St Louis Design Award 2019, Unbuilt Category: Distinguished Award
- Wood Design & Building Honor Award, 2020
- WoodWorks Multi-Family Wood Design Award, 2020
Structure
Equilibrium Consulting Inc. engineers used RFEM to model, study, and design the main components of the building. For the crosswind study, the buildings were considered independently of one another. The individual wings are composed of reinforced concrete cores to which glulam beams and columns are connected.
In a joint collaboration between Equilibrium Consulting Inc. and the Austrian binderholz group, the cross-laminated timber ceilings and post-and-beam structures were designed. The glulam beams, columns, and trusses were analyzed individually as simply supported elements. The engineers of Equlibrium utilized RFEM’s add-on modules RF-TIMBER AWC and RF-LAMINATE for the design according to the AWC/NDS standard.
The steel hangers for the glulam beam-to-column connections were analyzed using the beam-on-elastic-foundation approach. The screws were idealized with linear elastic spring elements.
Project Location
187 S Stadium Dr.Keywords
USA Timber structures Laminate and sandwich structures Concrete structure
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New
Timber Member Compression Perpendicular to the Grain acc. to NDS 2018 and CSA O86:19
A standard scenario in timber member construction is the ability to connect smaller members by means of bearing on a larger girder member. Additionally, member end conditions may include a similar situation where the beam is bearing on a support type. In either scenario, the beam must be designed to consider the bearing capacity perpendicular to the grain according to the NDS 2018 (Sect. 3.10.2) and the CSA O86:19 (Clause 6.5.6 and 7.5.9). In the new generation RFEM 6 and Timber Design add-on, the added feature 'design supports' now allows users to comply with the NDS and CSA bearing perpendicular to the grain design checks.
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Programs Used for Structural Analysis
RFEM 5
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
Price of First License
3,540.00 USDRFEM 5
Add-on Module
Design of timber members according to the American standard ANSI/AWC NDS
Price of First License
1,120.00 USDRFEM 5
Add-on Module
Deflection analysis and stress design of laminate and sandwich surfaces
Price of First License
1,120.00 USDRFEM 5
Add-on Module
Design of steel members according to the American standard ANSI/AISC 360
Price of First License
1,480.00 USD
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