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
| Mar 5, 2012
Tishman constructing new courthouse in Philadelphia
Construction is underway for the Pennsylvania Department of General Services’ 510,000-sf facility.
| Mar 5, 2012
Perkins Eastman pegs O’Donnell to lead K-12 practice
O’Donnell will continue the leadership and tradition of creative design established by firm Chairman and CEO Bradford Perkins FAIA, MRAIC, AICP in leading this market sector across the firm’s 13 offices domestically and internationally.
| Mar 5, 2012
Moody+Nolan designs sustainable fire station in Cincinnati
Cincinnati fire station achieves LEED Gold certification.
| Mar 5, 2012
Gilbane Building Co. wins top honors at ASA Houston awards ceremony
Gilbane was also named General Contractor of the Year for the seventh time in 11 years and won the inaugural Safety Program of the Year award.
| Mar 5, 2012
Franklin Institute in Philadelphia selects Skanska to construct new pavilion
The building has been designed by SaylorGregg Architects and will apply for LEED Silver certification.
| Mar 2, 2012
By the Numbers
66 skyscrapers to built in China over six years; 1,000 questions in the Modern Architecture game; 21,000 new jobs.
| Mar 1, 2012
Intelligent construction photography, not just pretty pictures
Our expert tells how to organize construction progress photos so you don’t lose track of all the valuable information they contain.
| Mar 1, 2012
AIA: A clear difference, new developments in load-bearing glass
Earn 1.0 AIA/CES learning units by studying this article and successfully completing the online exam.
| Mar 1, 2012
8 tips for architects to consider before LED installation
Lighting experts offer Building Team members critical information to consider before upgrading lighting systems to LEDs.
