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The National Capital Chapter of ACI was established in 1971 to enhance the Washington DC area concrete industry and promotes the overall interests of the American Concrete Institute, an international organization based in Farmington Hills, Michigan. Our Chapter takes pride in engaging the concrete industry at large and has many events throughout the year to network with others in the industry. We support future young professionals with Student Chapters at the University of Maryland, Howard University and University of the District of Columbia. We provide:
Monthly Membership Meetings - Certifications - Seminars
Annual Awards Ceremony and Dinner - Annual Golf Outing - Annual "Night at the Nats"
To Join our Chapter Click Here
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Upcoming Events
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11 Oct 2023 8:00 AM • Virtual Training, In-Person Exam Location NRMCA Laboratory, 5600 Branchville Rd., College Park, MD 20740
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12 Oct 2023 5:30 PM • Maggianos 2001 International Dr. McLean, VA
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21 Oct 2023 7:30 AM • Virtual Training, In-Person Exam Location NRMCA Laboratory, 5600 Branchville Rd., College Park, MD 20740
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21 Oct 2023 7:30 AM • In-Person Exam Location: NRMCA Laboratory, 5600 Branchville Rd., College Park, MD 20740
THIS WAS A HUGE SUCCESS....
Pictures and results coming soon!!
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RESCHEDULED from March
The Structural Genome of the MSG Sphere at the Venetian
Which is now UP AND RUNNING!
https://www.thespherevegas.com/
October 12, 2023
Thursday
5:30 pm Social Hour
6:00 pm Dinner
7:00 pm Presentation
$60- Members
$70 Non-members
register: https://nccaci.org/event-5387995
VENUE: Maggiano's
2001 International Dr., McLean, VA
Presented by:
Mr. Stephen Reichwein, PE, SE, SECB
Presentation Description:
The MSG Sphere at the Venetian is located to the site just east of the current Sands Expo and Convention Center, in the city of Las Vegas, Nevada. With approximately 606,000 square feet of area structured in a 515 feet diameter semi-spherical enclosure, which rises 325 feet in height, this immersive experience performance venue has the capacity to entertain a seated audience of up to 18,500.
The overall structure of the venue has seven distinct parts; a foundation system composed of drilled shaft piles socketed into cast-in-place concrete caps interconnected by a grid of grade/tie beams (where necessary), the ground level slab on ground, the stadia bowl and main venue superstructure, four (4) cast-in-place concrete shear wall cores and a proscenium shear wall founded on mat foundations supported on piles, a one-story cast-in-place concrete “collar” structure (coiling around the southern quadrant of the Geosphere), the dome roof arch system (which will hang the immersive LED display plane), a hung grillage system (supported off of the roof and used to support the media plane, catwalk system, and A/V equipment), a two-story “Bridge/Service Building” in Area G, and the Geosphere exoskeleton.
This presentation will focus primarily on the cast-in-place concrete structural systems of The MSG Sphere at the Venetian, describing the journey that was taken to get from paper to reality. The presentation will not only focus on describing the various structural components of the project, parametric modeling and algorithmic design, but also the relationships with the various stakeholders and the people involved.
About The Presenter:
Presenter Bio:
Senior Associate – Severud Associates – New York City
Upon obtaining an integrated MAE/BAE degree in Architectural Engineering from the Pennsylvania State University, Mr. Reichwein joined Severud Associates as a structural engineer in 2009. His assignments have included project management, inter-trade coordination, structural analysis and modeling, structural design, structural detailing, preparation of structural contract documents, construction administration, concrete special inspections, on-site presence/assistance, and forensic structural engineering.
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