Bridge expansion joints for new and maintenance BEJS from EMSEAL

Replacement of failed Bolt-Down expansion joints with EMCRETE and BEJS

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Bridge on Interstate I-155 maintained by the Illinois Dept. of Transportation (IDOT)

Repairs are mandated to the existing expansion joints as part of ongoing bridge preservation work.

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Example of common condition in roadways to damaged EPDM anchor-block “bolt-down” expansion joints installed in concrete surface blockouts.

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Existing Bolt-Downs have been removed, the blockouts have been re-cut or chipped clean, leaving well-defined blockouts and cleared expansion gaps.

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7:30 AM

Temporary center retaining forms are placed in the expansion gap to contain the flow of EMCRETE nosing material which will be poured in the blockouts.

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Blockouts receive final shop-vac for removal of loose particles and debris.

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8:15 AM

Blockouts are brush-primed with EMSEAL’s EMPRIME primer.

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IDOT crew assembles EMCRETE nosing materials prior to mixing and installation.

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EMCRETE Nosing Material is mixed in two consecutive stages.

1. Parts A & B EMCRETE are mixed together.

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2. Sand/Fiber is added to A/B mixture complete EMCRETE material.

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8:30 AM

EMCRETE is poured into blockout.

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Self-leveling EMCRETE nosing material quickly hardens to create a new impact-absorbing substrate.

Center forms are then removed exposing expansion gap.

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12:30 PM

After epoxy has been applied to the substrate walls, BEJS Expansion Joint sticks are placed into the expansion gap.

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BEJS sticks are joined together and then pushed down into gap.

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Silicone corner bead is injected between BEJS stick and substrate to complete the seal.

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View of finished EMCRETE header with BEJS expansion joint.

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2:00 PM

BEJS Expansion Joint System

View of finished travel lane of I-155 at the Sugar Creek bridge in Lincoln/Hartwell, Illinois. Ready for traffic.