{"id":3639,"date":"2015-12-01T14:29:47","date_gmt":"2015-12-01T14:29:47","guid":{"rendered":"http:\/\/ecm.eng.auburn.edu\/wp\/emag\/?p=3639"},"modified":"2015-12-14T16:53:24","modified_gmt":"2015-12-14T16:53:24","slug":"constructing-a-giant","status":"publish","type":"post","link":"https:\/\/ecm.eng.auburn.edu\/wp\/emag\/?p=3639","title":{"rendered":"Constructing a giant"},"content":{"rendered":"

\"kime\"<\/a>
\nMike Stallings\u2019 steel design class \u2013 CE 4650 \u2013 was packed to capacity on an early Wednesday morning this fall. The reason: Jared Kime<\/strong>, who designed the structural components of Auburn\u2019s new 200-foot stadium scoreboard, was there to talk about the process, and the back story on what it took to build college football\u2019s largest video board.<\/p>\n

Kime, a 2005 graduate in civil engineering, works for Birmingham-based civil and structural engineering firm LBYD, and served as the video board\u2019s lead designer and project manager.<\/p>\n

An eight-year veteran of LBYD in structural engineering, Kime noted the old board had been in place in one form or another for 40 years, serving as both a camera platform and scoreboard. Its size was approximately 18×40 feet. Structurally, the new board, at five times the length, needed to have supports that were up to eight times stiffer than the ones used for the existing board.<\/p>\n

Because of the complexity of the subsurface area around the stadium\u2019s south end zone, it was also necessary to install a micropile system to complement the four existing columns that held the old board in place. The micropiles consist of 46 10-inch diameter piles in six separate pile caps that fan out into the ground and are grouted 15 feet into bedrock under 35 feet of soil.<\/p>\n

Brad Christopher, the engineer of record and also a member of the LBYD team, noted that while the board and supporting structure create tremendous downward forces, wind forces on the board can be extreme as well. Indeed, the new board \u2013 rated to 95 miles per hour winds \u2013 is so large that it would take a huge load during normal conditions.<\/p>\n

\u201cThe main concern for us is the fans\u2019 safety. We had to account for the fact that we were building a giant sail that was not only 200 feet wide, but sat at an elevation of 200 feet,\u201d Kime said.<\/p>\n

\u201cAlthough it is highly unlikely that anyone will be in the stadium if there are winds near 100 miles per hour, the structural integrity of the video board is hugely important to us. Some have remarked that it even looks overbuilt, but, again, the bottom line is safety,\u201d he stressed.<\/p>\n

\u201cWe had to commit to a new 12-story structural steel tower in the center of the design to support the 50-ton video board in a way that fed the side loads to the center, as well as account for the gravity load,\u201d he told students in the class.<\/p>\n

Although the finished video board has the characteristic of a monolithic, uninterrupted expanse, it is actually composed of 162 individual screens stitched together by the supporting structure.
\n\u201cThis means it was necessary to create horizontal and vertical x-bracing in the steel structure to ensure that the lateral movement of the screen was consistent and would not distort the image on the screen, or damage the individual components,\u201d Kime added. \u201cAgain, differential in the size factor of the new screen over the old one is a 435 percent increase.\u201d<\/p>\n

Kime also spent some time describing to the class in detail how software was used in designing the structure, from the viewpoint of analysis and 3-D modeling, down to the details of how the stresses would act on the thousands of bolts holding the structure together.<\/p>\n

To Stallings, it was important that his class understand not only the physical aspects of engineering steel in these kinds of projects \u2013 and more than 800 tons were used \u2013 but also the project management that goes into these large-scale structures as well.<\/p>\n

A number of engineers with Auburn connections have been involved with the new video scoreboard at Jordan-Hare Stadium: civil engineering P.E.\u2019s Curtis Eastman and Curtis Walker from LBYD, Inc.; structural engineering P.E.\u2019s Brad Christopher and Jared Kime, also from LYBD, Inc.; electrical engineering P.E. Charlie Conway from Conway & Owen, Inc.; and geotechnical engineering P.E. Kevin Blake from CTL, Inc. Mike Stallings is a long-time faculty member with Auburn\u2019s Department of Civil Engineering.<\/p>\n","protected":false},"excerpt":{"rendered":"

Mike Stallings\u2019 steel design class \u2013 CE 4650 \u2013 was packed to capacity on an early Wednesday morning this fall. The reason: Jared Kime, who designed the structural components of Auburn\u2019s new 200-foot stadium scoreboard, was there to talk about the process, and the back story on what it took […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[33,734,36,735,729,732,737,733,730,736,731],"yoast_head":"\nConstructing a giant » Auburn Engineer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ecm.eng.auburn.edu\/wp\/emag\/?p=3639\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Constructing a giant » Auburn Engineer\" \/>\n<meta property=\"og:description\" content=\"Mike Stallings\u2019 steel design class \u2013 CE 4650 \u2013 was packed to capacity on an early Wednesday morning this fall. 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