In the wake of natural disasters and school shooting incidents, education professionals across the country are looking for innovative ways to better protect children while they learn. A new building approach from Salt Lake City, Utah-based Leland A. Gray Architects is designed to contribute to that goal.
The firm is adapting the concrete thinshell structural approach for K-12 schools in Utah, according to a report by KSL.
The domed building, which the architect calls "virtually indestructible," uses an air-formed thin-shell concrete dome, along with a concrete stem wall. The system was created for assembly buildings such as schools, churches, and arenas, but some school disctricts are finding that it works well for K-12 school buildings, as well.
To build one of these structures, the roofing membrane is formed into a dome shape with a 31-ounce PVC material. A concrete ring on the stem wall is attached to an air form, and the membrane is inflated by air pressure to the size of the dome. Then, the underside of the membrane is sprayed with a urethane insulation to a depth of 3 inches over the entire surface of the membrane.
Steel reinforcing bars are then placed in an interlocking pattern across the dome's underside. Finally, according to Leland Gray's website: "The reinforcing steel is built up to 4 feet high around the base of the dome and sprayed with shot-crete. This process continues in 4-foot-wide bands from the base to the top of the dome. The concrete will be 8 to 10 inches thick at the base, tapering to 3 to 4 inches thick at the top."
Schools like this have already been built in Utah and in other places across the country, in part, because they are relatively inexpensive to build and they can save school districts money in utilities.
According to KSL, which did a story on dome schools in Locust Grove, Utah, "both the elementary and the high school in Locust Grove cost $94 a square foot to build. That's a deal, considering the price for school construction in the U.S. ranges from $150-$250 a square foot." In addition, the superintendent of the district told reporters that these buildings cut utility costs by 40%.
Read the full KSL story here.
Check out the video below to see what goes into a concrete thinshell dome, and what one looks like from the inside.
Related Stories
| Oct 30, 2012
Two-hour fire rated curtain wall passes CDC tests
CDC (Curtain Wall Design and Consulting) is an independent firm providing a wide range of building envelope design, engineering, and consulting services to design professionals nationwide.
| Oct 30, 2012
Wight & Company announces three hires
Expands team and adds staff to work on the UNO project.
| Oct 15, 2012
Silicones from Dow Corning solve high-altitude technical challenges at the world’s tallest tower
The spectacular Burj Khalifa skyscraper soars to 828m above ground level, holding the record for being the world’s tallest building and also for the highest installation of an aluminum and glass façade. To take on its numerous challenges and technical difficulties, it required proven silicone solutions and full support from Dow Corning.
| Oct 15, 2012
Three new members elected to AISC Board of Directors
New members will immediately begin serving on the AISC Board of Directors, assisting with the organization's planning and leadership in the steel construction industry.
| Oct 11, 2012
Hank Adams Named to Lead HDR’s Healthcare Program
With more than 25 years of experience, HDR vice president is tapped to lead firm's healthcare projects.
| Oct 10, 2012
Foster + Partners to Design New 425 Park Avenue Tower
Conceptual designs submitted by Foster, Hadid, Koolhaas and Rogers to be on exhibit during Municipal Art Society’s Annual Symposium
| Oct 9, 2012
AIA billings index sounds a positive note
The so-called new projects index was at a relatively healthy 57.2, up from 56.3 the previous month.
| Oct 9, 2012
Celebrating brick in architecture
The Brick Industry Association’s 2012 Brick in Architecture Awards put the spotlight on new projects that make creative use of one of humankind’s oldest and most beloved building materials.
| Oct 5, 2012
2012 Reconstruction Award Special Recognition: Joplin Interim High School, Joplin, Mo.
At 5:41 p.m. CDT on Sunday, May 22, 2011, an EF5 tornado touched down in Joplin, Mo. In the next 31 minutes, the mile-wide, multiple-vortex tornado, with winds up to 250 mph, destroyed two thousand buildings, including Joplin High and nine other schools.
| Oct 5, 2012
2012 Reconstruction Award Bronze Winner: DPR Construction, Phoenix Regional Office, Phoenix, Ariz.
Working with A/E firm SmithGroupJJR, DPR converted a vacant 16,533-sf one-time “adult-themed boutique” in the city’s reemerging Discovery Triangle into a LEED-NC Platinum office, one that is on target to be the first net-zero commercial office building in Arizona.