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
| Aug 30, 2013
Local Government Report [2013 Giants 300 Report]
Building Design+Construction's rankings of the nation's largest local government design and construction firms, as reported in the 2013 Giants 300 Report.
| Aug 30, 2013
A new approach to post-occupancy evaluations
As a growing number of healthcare institutions become more customer-focused, post-occupancy evaluations (POE) are playing a bigger role in new construction and renovation projects. Advocate Health Care is among the healthcare organizations to institute a detailed post-occupancy assessment process for its projects.
| Aug 29, 2013
First look: K-State's Bill Snyder Family Stadium expansion
The West Side Stadium Expansion Project at Kansas State's Bill Snyder Family Stadium is the largest project in K-State Athletics history.
| Aug 27, 2013
Industrial Sector Report [2013 Giants 300 Report]
Building Design+Construction's rankings of the nation's largest industrial sector design and construction firms, as reported in the 2013 Giants 300 Report.
| Aug 26, 2013
What you missed last week: Architecture billings up again; record year for hotel renovations; nation's most expensive real estate markets
BD+C's roundup of the top construction market news for the week of August 18 includes the latest architecture billings index from AIA and a BOMA study on the nation's most and least expensive commercial real estate markets.
| Aug 26, 2013
Chicago Bears kick off season at renovated Halas Hall
An upgraded locker room, expanded weight room, and updated dining room with an outdoor patio greeted the Chicago Bears when they arrived at Halas Hall for practice this month. The improvements are part of a major expansion and renovation of the Bears’ headquarters in Lake Forest, Ill., completed by Mortenson Construction in less than seven months.
| Aug 22, 2013
Energy-efficient glazing technology [AIA Course]
This course discuses the latest technological advances in glazing, which make possible ever more efficient enclosures with ever greater glazed area.
| Aug 22, 2013
Warehouse remake: Conversion project turns derelict freight terminal into modern office space [slideshow]
The goal of the Freight development is to attract businesses to an abandoned industrial zone north of downtown Denver.
| Aug 21, 2013
AIA: Architecture billings on the rise in July
The Architecture Billings Index for July was 52.7, up from a mark of 51.6 in June. This score reflects an increase in demand for design services (any score above 50 indicates an increase in billings).
| Aug 20, 2013
40 Under 40 retrospective: ‘U40s’ take on continuing ed, snake’s blood
Every month we’ll be touching base with past 40 Under 40 honorees to see what’s been happening in their professional and personal lives since winning the award. This month: An accomplished author of test-prep books and an architect who headed to China when the American economy turned sour.