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
| Dec 8, 2011
Keast & Hood Co. part of Statue of Liberty renovation team
Keast & Hood Co., is the structural engineer-of-record for the year-long $27.25 million renovation of the Statue of Liberty.
| Dec 8, 2011
HDR opens office in Shanghai
The office, located in the Chong Hing Finance Center in Shanghai’s busy Huangpu District, will support HDR’s design efforts throughout Asia.
| Dec 8, 2011
HOK elevates the green office standard
Firm achieves LEED Platinum certification in New York office that overlooks Bryant Park.
| Dec 7, 2011
ACE Mentor Program receives Presidential Award for Excellence in Science, Math and Engineering Mentoring
Thornton Tomasetti founding principal Charles H. Thornton responsible for launching ACE.
| Dec 7, 2011
NSF International qualifies first wallcoverings distributor to the New American National Standard for Sustainable Wallcoverings
TRI-KES demonstrates leadership in environmental stewardship as the first distributor to earn qualification.
| Dec 7, 2011
DPR Foundation awards $590,000 to youth organizations
Grants will fund programs for disadvantaged kids across six states.
| Dec 7, 2011
Autodesk agrees to acquire Horizontal Systems
Acquisition extends and accelerates cloud-based BIM solutions for collaboration, data, and lifecycle management.
| Dec 7, 2011
ICS Builders and BKSK Architects complete St. Hilda’s House in Manhattan
The facility's design highlights the inherent link between environmental consciousness and religious reverence.
| Dec 6, 2011
Construction industry leaders gather for forum on diversity
Declared a “groundbreaking” event for the industry, Gilbane’s First Annual National Partners Council Forum addressed diversity and inclusion as well as building partnerships with minority, veteran, and women-owned businesses.
