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St. Alphonsus Church: Repair and Spire Installation
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Concrete Repair Bulletin, May/June 2009
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The repair of capstones and installation of new spires at a landmark church in Baltimore, Maryland.
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Cooling Tower Basin Evaluation and Repair
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CTI Journal, Summer 2009
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The article reviews the process of regular evaluations for these critical structures and, as needed, the development and implementation of a repair strategy.
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The Building Envelope – When and Where to Go for Help
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Corporate Facilities Council Summer Newsletter, August 2009
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You realize how important the building envelope is to maintaining a building’s energy efficiency, and the next step is getting help. But how do you know when your building needs attention? And where do you go for trusted advice and solutions? When you’re investing in reducing your building’s energy expenses, you want to be sure you’re making the right decisions.
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Structural Strengthening Using External Post-Tensioning Systems
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Structure, July 2009
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The primary reasons for the strengthening of concrete structures are typically to increase existing elements' capacity to carry new loads or to resolve an existing deficiency. Several strengthening techniques such as section enlargement, externally bonded fiber reinforced polymer (FRP) reinforcement, supplemental steel elements, and post-tensioning can be employed to increase the load carrying capacity and improve serviceability of existing structures. However, there are many technical factors that should be considered when selecting a strengthening system.
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Electro-Chemical Dewatering System
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Structural Engineer, July 2009
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For building owners and managers, one of the biggest issues is a damp or moldy basement area resulting from water intrusion through cracked concrete slabs and foundation walls. This is evidenced by the fact that structural engineers are often asked by architects and building owners about the cost to design crack-free concrete structures. Those with experience in concrete repair have found that structural and concrete mix designs must be coupled with exceptional field curing and placement practices in order to achieve “crack-free” or “watertight” concrete.
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Dispelling Church Window Restoration Myths
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Church Executive, May 2009
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Whether a church is a historic property or a modern facility, it is not immune to problems such as water or air infiltration that may arise with its windows. Many times, decision makers assume replacing the existing windows in their churches is the most economic route. However, numerous factors must be considered before such a decision is made.
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Temperature Can Affect Upper Floors of Precast Garages
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Parking Today, March 2009
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Precast concrete double-tees and joists are a common feature on many parking decks. While the use of these materials is proven for parking deck construction, several owners have noticed that the pre-stressed framing members on the top level would be begin to camber.
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Not so ‘shocking' results
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Structural Engineer, March 2009
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Success with impressed cathodic protection for a National Historic Landmark.
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