Prefabricated precompressed deck joint systems
OwnerMathew Chirappuram Royceinventor
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Abstract
This invention is the concept and method of designing, fabricating in a factory environment and installing Deck Joint Systems (DJS) consisting of Ultra High Performance Concrete (UHPC) joint headers sandwiching the joint sealer and pre compressing the sealer using a plurality methods for applying compression. The deterioration of bridges due to the exposure to chlorides, most commonly from leaking joints, has been established as the biggest challenge for bridge owners in the US and abroad. In general, the lack of performance of deck joint systems constructed using state of the art practices is causing accelerated bridge deterioration, especially in areas where deicing chemicals are used.
Claims8
A method for manufacturing a prefabricated pre-compressed bridge deck joint system enabling temperature cycle movement, comprising
- in a controlled environment, providing a plurality of concrete joint headers;
- in the controlled environment, providing joint sealer between the plurality of concrete joint headers;
- and
- in the controlled environment, pre-compressing the joint sealer between the plurality of concrete joint headers such that the joint sealer maintains compression through a temperature cycle.
Dependencies are inferred from the claim text.