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Noise Barrier Walls

The maximum height for non-reinforced noise barriers varies with the wind loading. For straight wall alignments, the CONCORDE will stand to 10 feet high and in a zig-zag alignment 12 feet high without additional reinforcing. Place the CONCORDE units end-to-end on the appropriate base. The unique unit design allows for the ends to "nest" and horizontally interlock together. The interlocking coupled with the unit weight provides lateral stability to the wall. Alternating courses of units are reversed; to maintain a half bond (See Figure). Place succeeding courses on previous, aligning vertical holes within the units.

 

 

 

Post tensioning segmental steel is used with noise barriers that require reinforcement. The footing may be constructed as a conventional reinforced concrete footing using embedded steel couplers and anchor plates to tie the stem steel into the footing. Other options include using grouted anchoring holes for the steel. The first course of units is placed and aligned on the reinforced concrete foundation. Anchoring holes are drilled into the concrete foundation using the CONCORDE units as a guide. Polyester adhesive tubes are placed into the holes and short segmental steel sections are inserted and secured by resin cartridges.

 

Subsequent courses of units are then placed until the desired height is reached. The vertically placed steel interlocks the alternating courses together and provides the strength needed for higher walls. Stem reinforcing steel is installed from the top of the wall at convenient increments or after the final wall height is achieved, and then connected to the footing steel. The stem reinforcing is terminated by installing anchoring plates and nuts at the top of the wall. The nuts are torqued to specific loads to provide tensioning of the steel.

 

 

 

Concorde  Wall Systems

2720 Maplewood Dr

Maplewood, MN 55109

 

Phone: 651-787-0838

Fax: 651-787-0727

concordewalls@starband.net